Removed openssl, and curl, and added mbedded tls.curl-removal

Almost fully removed curl, needs more testing.

Fixed most issues, now trying to cross compile.

Fix?

Sigh.

13 files changed, 6043 insertions, 0 deletions

diff --git a/lib/mbedtls-2.27.0/programs/test/CMakeLists.txt b/lib/mbedtls-2.27.0/programs/test/CMakeLists.txt
new file mode 100644
index 0000000..2b1e61e
--- /dev/null
+++ b/lib/mbedtls-2.27.0/programs/test/CMakeLists.txt
@@ -0,0 +1,48 @@
+set(libs
+    ${mbedtls_target}
+)
+
+if(USE_PKCS11_HELPER_LIBRARY)
+    set(libs ${libs} pkcs11-helper)
+endif(USE_PKCS11_HELPER_LIBRARY)
+
+if(ENABLE_ZLIB_SUPPORT)
+    set(libs ${libs} ${ZLIB_LIBRARIES})
+endif(ENABLE_ZLIB_SUPPORT)
+
+set(executables_libs
+    selftest
+    udp_proxy
+)
+
+set(executables_mbedcrypto
+    benchmark
+    query_compile_time_config
+    zeroize
+)
+
+if(TEST_CPP)
+    list(APPEND executables_mbedcrypto cpp_dummy_build)
+endif()
+
+foreach(exe IN LISTS executables_libs executables_mbedcrypto)
+    set(extra_sources "")
+    if(exe STREQUAL "query_compile_time_config")
+        list(APPEND extra_sources
+            ${CMAKE_CURRENT_SOURCE_DIR}/query_config.c)
+    endif()
+    add_executable(${exe} ${exe}.c $<TARGET_OBJECTS:mbedtls_test>
+        ${extra_sources})
+
+    # This emulates "if ( ... IN_LIST ... )" which becomes available in CMake 3.3
+    list(FIND executables_libs ${exe} exe_index)
+    if (${exe_index} GREATER -1)
+        target_link_libraries(${exe} ${libs})
+    else()
+        target_link_libraries(${exe} ${mbedcrypto_target})
+    endif()
+endforeach()
+
+install(TARGETS ${executables_libs} ${executables_mbedcrypto}
+        DESTINATION "bin"
+        PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE GROUP_READ GROUP_EXECUTE WORLD_READ WORLD_EXECUTE)
diff --git a/lib/mbedtls-2.27.0/programs/test/benchmark.c b/lib/mbedtls-2.27.0/programs/test/benchmark.c
new file mode 100644
index 0000000..9c5911b
--- /dev/null
+++ b/lib/mbedtls-2.27.0/programs/test/benchmark.c
@@ -0,0 +1,1113 @@
+/*
+ *  Benchmark demonstration program
+ *
+ *  Copyright The Mbed TLS Contributors
+ *  SPDX-License-Identifier: Apache-2.0
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License"); you may
+ *  not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+#if !defined(MBEDTLS_CONFIG_FILE)
+#include "mbedtls/config.h"
+#else
+#include MBEDTLS_CONFIG_FILE
+#endif
+
+#include "mbedtls/platform.h"
+#if !defined(MBEDTLS_PLATFORM_C)
+#include <stdio.h>
+#include <stdlib.h>
+#define mbedtls_exit       exit
+#define mbedtls_printf     printf
+#define mbedtls_free       free
+#endif
+
+#if !defined(MBEDTLS_TIMING_C)
+int main( void )
+{
+    mbedtls_printf("MBEDTLS_TIMING_C not defined.\n");
+    mbedtls_exit( 0 );
+}
+#else
+
+#include <string.h>
+#include <stdlib.h>
+
+#include "mbedtls/timing.h"
+
+#include "mbedtls/md4.h"
+#include "mbedtls/md5.h"
+#include "mbedtls/ripemd160.h"
+#include "mbedtls/sha1.h"
+#include "mbedtls/sha256.h"
+#include "mbedtls/sha512.h"
+
+#include "mbedtls/arc4.h"
+#include "mbedtls/des.h"
+#include "mbedtls/aes.h"
+#include "mbedtls/aria.h"
+#include "mbedtls/blowfish.h"
+#include "mbedtls/camellia.h"
+#include "mbedtls/chacha20.h"
+#include "mbedtls/gcm.h"
+#include "mbedtls/ccm.h"
+#include "mbedtls/chachapoly.h"
+#include "mbedtls/cmac.h"
+#include "mbedtls/poly1305.h"
+
+#include "mbedtls/havege.h"
+#include "mbedtls/ctr_drbg.h"
+#include "mbedtls/hmac_drbg.h"
+
+#include "mbedtls/rsa.h"
+#include "mbedtls/dhm.h"
+#include "mbedtls/ecdsa.h"
+#include "mbedtls/ecdh.h"
+
+#include "mbedtls/error.h"
+
+#if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
+#include "mbedtls/memory_buffer_alloc.h"
+#endif
+
+/*
+ * For heap usage estimates, we need an estimate of the overhead per allocated
+ * block. ptmalloc2/3 (used in gnu libc for instance) uses 2 size_t per block,
+ * so use that as our baseline.
+ */
+#define MEM_BLOCK_OVERHEAD  ( 2 * sizeof( size_t ) )
+
+/*
+ * Size to use for the alloc buffer if MEMORY_BUFFER_ALLOC_C is defined.
+ */
+#define HEAP_SIZE       (1u << 16)  /* 64k */
+
+#define BUFSIZE         1024
+#define HEADER_FORMAT   "  %-24s :  "
+#define TITLE_LEN       25
+
+#define OPTIONS                                                         \
+    "md4, md5, ripemd160, sha1, sha256, sha512,\n"                      \
+    "arc4, des3, des, camellia, blowfish, chacha20,\n"                  \
+    "aes_cbc, aes_gcm, aes_ccm, aes_xts, chachapoly,\n"                 \
+    "aes_cmac, des3_cmac, poly1305\n"                                   \
+    "havege, ctr_drbg, hmac_drbg\n"                                     \
+    "rsa, dhm, ecdsa, ecdh.\n"
+
+#if defined(MBEDTLS_ERROR_C)
+#define PRINT_ERROR                                                     \
+        mbedtls_strerror( ret, ( char * )tmp, sizeof( tmp ) );          \
+        mbedtls_printf( "FAILED: %s\n", tmp );
+#else
+#define PRINT_ERROR                                                     \
+        mbedtls_printf( "FAILED: -0x%04x\n", (unsigned int) -ret );
+#endif
+
+#define TIME_AND_TSC( TITLE, CODE )                                     \
+do {                                                                    \
+    unsigned long ii, jj, tsc;                                          \
+    int ret = 0;                                                        \
+                                                                        \
+    mbedtls_printf( HEADER_FORMAT, TITLE );                             \
+    fflush( stdout );                                                   \
+                                                                        \
+    mbedtls_set_alarm( 1 );                                             \
+    for( ii = 1; ret == 0 && ! mbedtls_timing_alarmed; ii++ )           \
+    {                                                                   \
+        ret = CODE;                                                     \
+    }                                                                   \
+                                                                        \
+    tsc = mbedtls_timing_hardclock();                                   \
+    for( jj = 0; ret == 0 && jj < 1024; jj++ )                          \
+    {                                                                   \
+        ret = CODE;                                                     \
+    }                                                                   \
+                                                                        \
+    if( ret != 0 )                                                      \
+    {                                                                   \
+        PRINT_ERROR;                                                    \
+    }                                                                   \
+    else                                                                \
+    {                                                                   \
+        mbedtls_printf( "%9lu KiB/s,  %9lu cycles/byte\n",              \
+                         ii * BUFSIZE / 1024,                           \
+                         ( mbedtls_timing_hardclock() - tsc )           \
+                         / ( jj * BUFSIZE ) );                          \
+    }                                                                   \
+} while( 0 )
+
+#if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C) && defined(MBEDTLS_MEMORY_DEBUG)
+
+/* How much space to reserve for the title when printing heap usage results.
+ * Updated manually as the output of the following command:
+ *
+ *  sed -n 's/.*[T]IME_PUBLIC.*"\(.*\)",/\1/p' programs/test/benchmark.c |
+ *      awk '{print length+2}' | sort -rn | head -n1
+ *
+ * This computes the maximum length of a title +2 (because we appends "/s").
+ * (If the value is too small, the only consequence is poor alignement.) */
+#define TITLE_SPACE 16
+
+#define MEMORY_MEASURE_INIT                                             \
+    size_t max_used, max_blocks, max_bytes;                             \
+    size_t prv_used, prv_blocks;                                        \
+    mbedtls_memory_buffer_alloc_cur_get( &prv_used, &prv_blocks );      \
+    mbedtls_memory_buffer_alloc_max_reset( );
+
+#define MEMORY_MEASURE_PRINT( title_len )                               \
+    mbedtls_memory_buffer_alloc_max_get( &max_used, &max_blocks );      \
+    ii = TITLE_SPACE > (title_len) ? TITLE_SPACE - (title_len) : 1;     \
+    while( ii-- ) mbedtls_printf( " " );                                \
+    max_used -= prv_used;                                               \
+    max_blocks -= prv_blocks;                                           \
+    max_bytes = max_used + MEM_BLOCK_OVERHEAD * max_blocks;             \
+    mbedtls_printf( "%6u heap bytes", (unsigned) max_bytes );
+
+#else
+#define MEMORY_MEASURE_INIT
+#define MEMORY_MEASURE_PRINT( title_len )
+#endif
+
+#define TIME_PUBLIC( TITLE, TYPE, CODE )                                \
+do {                                                                    \
+    unsigned long ii;                                                   \
+    int ret;                                                            \
+    MEMORY_MEASURE_INIT;                                                \
+                                                                        \
+    mbedtls_printf( HEADER_FORMAT, TITLE );                             \
+    fflush( stdout );                                                   \
+    mbedtls_set_alarm( 3 );                                             \
+                                                                        \
+    ret = 0;                                                            \
+    for( ii = 1; ! mbedtls_timing_alarmed && ! ret ; ii++ )             \
+    {                                                                   \
+        CODE;                                                           \
+    }                                                                   \
+                                                                        \
+    if( ret == MBEDTLS_ERR_PLATFORM_FEATURE_UNSUPPORTED )               \
+    {                                                                   \
+        mbedtls_printf( "Feature Not Supported. Skipping.\n" );         \
+        ret = 0;                                                        \
+    }                                                                   \
+    else if( ret != 0 )                                                 \
+    {                                                                   \
+        PRINT_ERROR;                                                    \
+    }                                                                   \
+    else                                                                \
+    {                                                                   \
+        mbedtls_printf( "%6lu " TYPE "/s", ii / 3 );                    \
+        MEMORY_MEASURE_PRINT( sizeof( TYPE ) + 1 );                     \
+        mbedtls_printf( "\n" );                                         \
+    }                                                                   \
+} while( 0 )
+
+static int myrand( void *rng_state, unsigned char *output, size_t len )
+{
+    size_t use_len;
+    int rnd;
+
+    if( rng_state != NULL )
+        rng_state  = NULL;
+
+    while( len > 0 )
+    {
+        use_len = len;
+        if( use_len > sizeof(int) )
+            use_len = sizeof(int);
+
+        rnd = rand();
+        memcpy( output, &rnd, use_len );
+        output += use_len;
+        len -= use_len;
+    }
+
+    return( 0 );
+}
+
+#define CHECK_AND_CONTINUE( R )                                         \
+    {                                                                   \
+        int CHECK_AND_CONTINUE_ret = ( R );                             \
+        if( CHECK_AND_CONTINUE_ret == MBEDTLS_ERR_PLATFORM_FEATURE_UNSUPPORTED ) { \
+            mbedtls_printf( "Feature not supported. Skipping.\n" );     \
+            continue;                                                   \
+        }                                                               \
+        else if( CHECK_AND_CONTINUE_ret != 0 ) {                        \
+            mbedtls_exit( 1 );                                          \
+        }                                                               \
+    }
+
+/*
+ * Clear some memory that was used to prepare the context
+ */
+#if defined(MBEDTLS_ECP_C)
+void ecp_clear_precomputed( mbedtls_ecp_group *grp )
+{
+    if( grp->T != NULL )
+    {
+        size_t i;
+        for( i = 0; i < grp->T_size; i++ )
+            mbedtls_ecp_point_free( &grp->T[i] );
+        mbedtls_free( grp->T );
+    }
+    grp->T = NULL;
+    grp->T_size = 0;
+}
+#else
+#define ecp_clear_precomputed( g )
+#endif
+
+#if defined(MBEDTLS_ECP_C)
+static int set_ecp_curve( const char *string, mbedtls_ecp_curve_info *curve )
+{
+    const mbedtls_ecp_curve_info *found =
+        mbedtls_ecp_curve_info_from_name( string );
+    if( found != NULL )
+    {
+        *curve = *found;
+        return( 1 );
+    }
+    else
+        return( 0 );
+}
+#endif
+
+unsigned char buf[BUFSIZE];
+
+typedef struct {
+    char md4, md5, ripemd160, sha1, sha256, sha512,
+         arc4, des3, des,
+         aes_cbc, aes_gcm, aes_ccm, aes_xts, chachapoly,
+         aes_cmac, des3_cmac,
+         aria, camellia, blowfish, chacha20,
+         poly1305,
+         havege, ctr_drbg, hmac_drbg,
+         rsa, dhm, ecdsa, ecdh;
+} todo_list;
+
+
+int main( int argc, char *argv[] )
+{
+    int i;
+    unsigned char tmp[200];
+    char title[TITLE_LEN];
+    todo_list todo;
+#if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
+    unsigned char alloc_buf[HEAP_SIZE] = { 0 };
+#endif
+#if defined(MBEDTLS_ECP_C)
+    mbedtls_ecp_curve_info single_curve[2] = {
+        { MBEDTLS_ECP_DP_NONE, 0, 0, NULL },
+        { MBEDTLS_ECP_DP_NONE, 0, 0, NULL },
+    };
+    const mbedtls_ecp_curve_info *curve_list = mbedtls_ecp_curve_list( );
+#endif
+
+#if defined(MBEDTLS_ECP_C)
+    (void) curve_list; /* Unused in some configurations where no benchmark uses ECC */
+#endif
+
+    if( argc <= 1 )
+    {
+        memset( &todo, 1, sizeof( todo ) );
+    }
+    else
+    {
+        memset( &todo, 0, sizeof( todo ) );
+
+        for( i = 1; i < argc; i++ )
+        {
+            if( strcmp( argv[i], "md4" ) == 0 )
+                todo.md4 = 1;
+            else if( strcmp( argv[i], "md5" ) == 0 )
+                todo.md5 = 1;
+            else if( strcmp( argv[i], "ripemd160" ) == 0 )
+                todo.ripemd160 = 1;
+            else if( strcmp( argv[i], "sha1" ) == 0 )
+                todo.sha1 = 1;
+            else if( strcmp( argv[i], "sha256" ) == 0 )
+                todo.sha256 = 1;
+            else if( strcmp( argv[i], "sha512" ) == 0 )
+                todo.sha512 = 1;
+            else if( strcmp( argv[i], "arc4" ) == 0 )
+                todo.arc4 = 1;
+            else if( strcmp( argv[i], "des3" ) == 0 )
+                todo.des3 = 1;
+            else if( strcmp( argv[i], "des" ) == 0 )
+                todo.des = 1;
+            else if( strcmp( argv[i], "aes_cbc" ) == 0 )
+                todo.aes_cbc = 1;
+            else if( strcmp( argv[i], "aes_xts" ) == 0 )
+                todo.aes_xts = 1;
+            else if( strcmp( argv[i], "aes_gcm" ) == 0 )
+                todo.aes_gcm = 1;
+            else if( strcmp( argv[i], "aes_ccm" ) == 0 )
+                todo.aes_ccm = 1;
+            else if( strcmp( argv[i], "chachapoly" ) == 0 )
+                todo.chachapoly = 1;
+            else if( strcmp( argv[i], "aes_cmac" ) == 0 )
+                todo.aes_cmac = 1;
+            else if( strcmp( argv[i], "des3_cmac" ) == 0 )
+                todo.des3_cmac = 1;
+            else if( strcmp( argv[i], "aria" ) == 0 )
+                todo.aria = 1;
+            else if( strcmp( argv[i], "camellia" ) == 0 )
+                todo.camellia = 1;
+            else if( strcmp( argv[i], "blowfish" ) == 0 )
+                todo.blowfish = 1;
+            else if( strcmp( argv[i], "chacha20" ) == 0 )
+                todo.chacha20 = 1;
+            else if( strcmp( argv[i], "poly1305" ) == 0 )
+                todo.poly1305 = 1;
+            else if( strcmp( argv[i], "havege" ) == 0 )
+                todo.havege = 1;
+            else if( strcmp( argv[i], "ctr_drbg" ) == 0 )
+                todo.ctr_drbg = 1;
+            else if( strcmp( argv[i], "hmac_drbg" ) == 0 )
+                todo.hmac_drbg = 1;
+            else if( strcmp( argv[i], "rsa" ) == 0 )
+                todo.rsa = 1;
+            else if( strcmp( argv[i], "dhm" ) == 0 )
+                todo.dhm = 1;
+            else if( strcmp( argv[i], "ecdsa" ) == 0 )
+                todo.ecdsa = 1;
+            else if( strcmp( argv[i], "ecdh" ) == 0 )
+                todo.ecdh = 1;
+#if defined(MBEDTLS_ECP_C)
+            else if( set_ecp_curve( argv[i], single_curve ) )
+                curve_list = single_curve;
+#endif
+            else
+            {
+                mbedtls_printf( "Unrecognized option: %s\n", argv[i] );
+                mbedtls_printf( "Available options: " OPTIONS );
+            }
+        }
+    }
+
+    mbedtls_printf( "\n" );
+
+#if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
+    mbedtls_memory_buffer_alloc_init( alloc_buf, sizeof( alloc_buf ) );
+#endif
+    memset( buf, 0xAA, sizeof( buf ) );
+    memset( tmp, 0xBB, sizeof( tmp ) );
+
+#if defined(MBEDTLS_MD4_C)
+    if( todo.md4 )
+        TIME_AND_TSC( "MD4", mbedtls_md4_ret( buf, BUFSIZE, tmp ) );
+#endif
+
+#if defined(MBEDTLS_MD5_C)
+    if( todo.md5 )
+        TIME_AND_TSC( "MD5", mbedtls_md5_ret( buf, BUFSIZE, tmp ) );
+#endif
+
+#if defined(MBEDTLS_RIPEMD160_C)
+    if( todo.ripemd160 )
+        TIME_AND_TSC( "RIPEMD160", mbedtls_ripemd160_ret( buf, BUFSIZE, tmp ) );
+#endif
+
+#if defined(MBEDTLS_SHA1_C)
+    if( todo.sha1 )
+        TIME_AND_TSC( "SHA-1", mbedtls_sha1_ret( buf, BUFSIZE, tmp ) );
+#endif
+
+#if defined(MBEDTLS_SHA256_C)
+    if( todo.sha256 )
+        TIME_AND_TSC( "SHA-256", mbedtls_sha256_ret( buf, BUFSIZE, tmp, 0 ) );
+#endif
+
+#if defined(MBEDTLS_SHA512_C)
+    if( todo.sha512 )
+        TIME_AND_TSC( "SHA-512", mbedtls_sha512_ret( buf, BUFSIZE, tmp, 0 ) );
+#endif
+
+#if defined(MBEDTLS_ARC4_C)
+    if( todo.arc4 )
+    {
+        mbedtls_arc4_context arc4;
+        mbedtls_arc4_init( &arc4 );
+        mbedtls_arc4_setup( &arc4, tmp, 32 );
+        TIME_AND_TSC( "ARC4", mbedtls_arc4_crypt( &arc4, BUFSIZE, buf, buf ) );
+        mbedtls_arc4_free( &arc4 );
+    }
+#endif
+
+#if defined(MBEDTLS_DES_C)
+#if defined(MBEDTLS_CIPHER_MODE_CBC)
+    if( todo.des3 )
+    {
+        mbedtls_des3_context des3;
+        mbedtls_des3_init( &des3 );
+        mbedtls_des3_set3key_enc( &des3, tmp );
+        TIME_AND_TSC( "3DES",
+                mbedtls_des3_crypt_cbc( &des3, MBEDTLS_DES_ENCRYPT, BUFSIZE, tmp, buf, buf ) );
+        mbedtls_des3_free( &des3 );
+    }
+
+    if( todo.des )
+    {
+        mbedtls_des_context des;
+        mbedtls_des_init( &des );
+        mbedtls_des_setkey_enc( &des, tmp );
+        TIME_AND_TSC( "DES",
+                mbedtls_des_crypt_cbc( &des, MBEDTLS_DES_ENCRYPT, BUFSIZE, tmp, buf, buf ) );
+        mbedtls_des_free( &des );
+    }
+
+#endif /* MBEDTLS_CIPHER_MODE_CBC */
+#if defined(MBEDTLS_CMAC_C)
+    if( todo.des3_cmac )
+    {
+        unsigned char output[8];
+        const mbedtls_cipher_info_t *cipher_info;
+
+        memset( buf, 0, sizeof( buf ) );
+        memset( tmp, 0, sizeof( tmp ) );
+
+        cipher_info = mbedtls_cipher_info_from_type( MBEDTLS_CIPHER_DES_EDE3_ECB );
+
+        TIME_AND_TSC( "3DES-CMAC",
+                      mbedtls_cipher_cmac( cipher_info, tmp, 192, buf,
+                      BUFSIZE, output ) );
+    }
+#endif /* MBEDTLS_CMAC_C */
+#endif /* MBEDTLS_DES_C */
+
+#if defined(MBEDTLS_AES_C)
+#if defined(MBEDTLS_CIPHER_MODE_CBC)
+    if( todo.aes_cbc )
+    {
+        int keysize;
+        mbedtls_aes_context aes;
+        mbedtls_aes_init( &aes );
+        for( keysize = 128; keysize <= 256; keysize += 64 )
+        {
+            mbedtls_snprintf( title, sizeof( title ), "AES-CBC-%d", keysize );
+
+            memset( buf, 0, sizeof( buf ) );
+            memset( tmp, 0, sizeof( tmp ) );
+            mbedtls_aes_setkey_enc( &aes, tmp, keysize );
+
+            TIME_AND_TSC( title,
+                mbedtls_aes_crypt_cbc( &aes, MBEDTLS_AES_ENCRYPT, BUFSIZE, tmp, buf, buf ) );
+        }
+        mbedtls_aes_free( &aes );
+    }
+#endif
+#if defined(MBEDTLS_CIPHER_MODE_XTS)
+    if( todo.aes_xts )
+    {
+        int keysize;
+        mbedtls_aes_xts_context ctx;
+
+        mbedtls_aes_xts_init( &ctx );
+        for( keysize = 128; keysize <= 256; keysize += 128 )
+        {
+            mbedtls_snprintf( title, sizeof( title ), "AES-XTS-%d", keysize );
+
+            memset( buf, 0, sizeof( buf ) );
+            memset( tmp, 0, sizeof( tmp ) );
+            mbedtls_aes_xts_setkey_enc( &ctx, tmp, keysize * 2 );
+
+            TIME_AND_TSC( title,
+                    mbedtls_aes_crypt_xts( &ctx, MBEDTLS_AES_ENCRYPT, BUFSIZE,
+                                           tmp, buf, buf ) );
+
+            mbedtls_aes_xts_free( &ctx );
+        }
+    }
+#endif
+#if defined(MBEDTLS_GCM_C)
+    if( todo.aes_gcm )
+    {
+        int keysize;
+        mbedtls_gcm_context gcm;
+
+        mbedtls_gcm_init( &gcm );
+        for( keysize = 128; keysize <= 256; keysize += 64 )
+        {
+            mbedtls_snprintf( title, sizeof( title ), "AES-GCM-%d", keysize );
+
+            memset( buf, 0, sizeof( buf ) );
+            memset( tmp, 0, sizeof( tmp ) );
+            mbedtls_gcm_setkey( &gcm, MBEDTLS_CIPHER_ID_AES, tmp, keysize );
+
+            TIME_AND_TSC( title,
+                    mbedtls_gcm_crypt_and_tag( &gcm, MBEDTLS_GCM_ENCRYPT, BUFSIZE, tmp,
+                        12, NULL, 0, buf, buf, 16, tmp ) );
+
+            mbedtls_gcm_free( &gcm );
+        }
+    }
+#endif
+#if defined(MBEDTLS_CCM_C)
+    if( todo.aes_ccm )
+    {
+        int keysize;
+        mbedtls_ccm_context ccm;
+
+        mbedtls_ccm_init( &ccm );
+        for( keysize = 128; keysize <= 256; keysize += 64 )
+        {
+            mbedtls_snprintf( title, sizeof( title ), "AES-CCM-%d", keysize );
+
+            memset( buf, 0, sizeof( buf ) );
+            memset( tmp, 0, sizeof( tmp ) );
+            mbedtls_ccm_setkey( &ccm, MBEDTLS_CIPHER_ID_AES, tmp, keysize );
+
+            TIME_AND_TSC( title,
+                    mbedtls_ccm_encrypt_and_tag( &ccm, BUFSIZE, tmp,
+                        12, NULL, 0, buf, buf, tmp, 16 ) );
+
+            mbedtls_ccm_free( &ccm );
+        }
+    }
+#endif
+#if defined(MBEDTLS_CHACHAPOLY_C)
+    if( todo.chachapoly )
+    {
+        mbedtls_chachapoly_context chachapoly;
+
+        mbedtls_chachapoly_init( &chachapoly );
+        memset( buf, 0, sizeof( buf ) );
+        memset( tmp, 0, sizeof( tmp ) );
+
+        mbedtls_snprintf( title, sizeof( title ), "ChaCha20-Poly1305" );
+
+        mbedtls_chachapoly_setkey( &chachapoly, tmp );
+
+        TIME_AND_TSC( title,
+                mbedtls_chachapoly_encrypt_and_tag( &chachapoly,
+                    BUFSIZE, tmp, NULL, 0, buf, buf, tmp ) );
+
+        mbedtls_chachapoly_free( &chachapoly );
+    }
+#endif
+#if defined(MBEDTLS_CMAC_C)
+    if( todo.aes_cmac )
+    {
+        unsigned char output[16];
+        const mbedtls_cipher_info_t *cipher_info;
+        mbedtls_cipher_type_t cipher_type;
+        int keysize;
+
+        for( keysize = 128, cipher_type = MBEDTLS_CIPHER_AES_128_ECB;
+             keysize <= 256;
+             keysize += 64, cipher_type++ )
+        {
+            mbedtls_snprintf( title, sizeof( title ), "AES-CMAC-%d", keysize );
+
+            memset( buf, 0, sizeof( buf ) );
+            memset( tmp, 0, sizeof( tmp ) );
+
+            cipher_info = mbedtls_cipher_info_from_type( cipher_type );
+
+            TIME_AND_TSC( title,
+                          mbedtls_cipher_cmac( cipher_info, tmp, keysize,
+                                               buf, BUFSIZE, output ) );
+        }
+
+        memset( buf, 0, sizeof( buf ) );
+        memset( tmp, 0, sizeof( tmp ) );
+        TIME_AND_TSC( "AES-CMAC-PRF-128",
+                      mbedtls_aes_cmac_prf_128( tmp, 16, buf, BUFSIZE,
+                                                output ) );
+    }
+#endif /* MBEDTLS_CMAC_C */
+#endif /* MBEDTLS_AES_C */
+
+#if defined(MBEDTLS_ARIA_C) && defined(MBEDTLS_CIPHER_MODE_CBC)
+    if( todo.aria )
+    {
+        int keysize;
+        mbedtls_aria_context aria;
+        mbedtls_aria_init( &aria );
+        for( keysize = 128; keysize <= 256; keysize += 64 )
+        {
+            mbedtls_snprintf( title, sizeof( title ), "ARIA-CBC-%d", keysize );
+
+            memset( buf, 0, sizeof( buf ) );
+            memset( tmp, 0, sizeof( tmp ) );
+            mbedtls_aria_setkey_enc( &aria, tmp, keysize );
+
+            TIME_AND_TSC( title,
+                    mbedtls_aria_crypt_cbc( &aria, MBEDTLS_ARIA_ENCRYPT,
+                        BUFSIZE, tmp, buf, buf ) );
+        }
+        mbedtls_aria_free( &aria );
+    }
+#endif
+
+#if defined(MBEDTLS_CAMELLIA_C) && defined(MBEDTLS_CIPHER_MODE_CBC)
+    if( todo.camellia )
+    {
+        int keysize;
+        mbedtls_camellia_context camellia;
+        mbedtls_camellia_init( &camellia );
+        for( keysize = 128; keysize <= 256; keysize += 64 )
+        {
+            mbedtls_snprintf( title, sizeof( title ), "CAMELLIA-CBC-%d", keysize );
+
+            memset( buf, 0, sizeof( buf ) );
+            memset( tmp, 0, sizeof( tmp ) );
+            mbedtls_camellia_setkey_enc( &camellia, tmp, keysize );
+
+            TIME_AND_TSC( title,
+                    mbedtls_camellia_crypt_cbc( &camellia, MBEDTLS_CAMELLIA_ENCRYPT,
+                        BUFSIZE, tmp, buf, buf ) );
+        }
+        mbedtls_camellia_free( &camellia );
+    }
+#endif
+
+#if defined(MBEDTLS_CHACHA20_C)
+    if ( todo.chacha20 )
+    {
+        TIME_AND_TSC( "ChaCha20", mbedtls_chacha20_crypt( buf, buf, 0U, BUFSIZE, buf, buf ) );
+    }
+#endif
+
+#if defined(MBEDTLS_POLY1305_C)
+    if ( todo.poly1305 )
+    {
+        TIME_AND_TSC( "Poly1305", mbedtls_poly1305_mac( buf, buf, BUFSIZE, buf ) );
+    }
+#endif
+
+#if defined(MBEDTLS_BLOWFISH_C) && defined(MBEDTLS_CIPHER_MODE_CBC)
+    if( todo.blowfish )
+    {
+        int keysize;
+        mbedtls_blowfish_context blowfish;
+        mbedtls_blowfish_init( &blowfish );
+
+        for( keysize = 128; keysize <= 256; keysize += 64 )
+        {
+            mbedtls_snprintf( title, sizeof( title ), "BLOWFISH-CBC-%d", keysize );
+
+            memset( buf, 0, sizeof( buf ) );
+            memset( tmp, 0, sizeof( tmp ) );
+            mbedtls_blowfish_setkey( &blowfish, tmp, keysize );
+
+            TIME_AND_TSC( title,
+                    mbedtls_blowfish_crypt_cbc( &blowfish, MBEDTLS_BLOWFISH_ENCRYPT, BUFSIZE,
+                        tmp, buf, buf ) );
+        }
+
+        mbedtls_blowfish_free( &blowfish );
+    }
+#endif
+
+#if defined(MBEDTLS_HAVEGE_C)
+    if( todo.havege )
+    {
+        mbedtls_havege_state hs;
+        mbedtls_havege_init( &hs );
+        TIME_AND_TSC( "HAVEGE", mbedtls_havege_random( &hs, buf, BUFSIZE ) );
+        mbedtls_havege_free( &hs );
+    }
+#endif
+
+#if defined(MBEDTLS_CTR_DRBG_C)
+    if( todo.ctr_drbg )
+    {
+        mbedtls_ctr_drbg_context ctr_drbg;
+
+        mbedtls_ctr_drbg_init( &ctr_drbg );
+        if( mbedtls_ctr_drbg_seed( &ctr_drbg, myrand, NULL, NULL, 0 ) != 0 )
+            mbedtls_exit(1);
+        TIME_AND_TSC( "CTR_DRBG (NOPR)",
+                mbedtls_ctr_drbg_random( &ctr_drbg, buf, BUFSIZE ) );
+        mbedtls_ctr_drbg_free( &ctr_drbg );
+
+        mbedtls_ctr_drbg_init( &ctr_drbg );
+        if( mbedtls_ctr_drbg_seed( &ctr_drbg, myrand, NULL, NULL, 0 ) != 0 )
+            mbedtls_exit(1);
+        mbedtls_ctr_drbg_set_prediction_resistance( &ctr_drbg, MBEDTLS_CTR_DRBG_PR_ON );
+        TIME_AND_TSC( "CTR_DRBG (PR)",
+                mbedtls_ctr_drbg_random( &ctr_drbg, buf, BUFSIZE ) );
+        mbedtls_ctr_drbg_free( &ctr_drbg );
+    }
+#endif
+
+#if defined(MBEDTLS_HMAC_DRBG_C)
+    if( todo.hmac_drbg )
+    {
+        mbedtls_hmac_drbg_context hmac_drbg;
+        const mbedtls_md_info_t *md_info;
+
+        mbedtls_hmac_drbg_init( &hmac_drbg );
+
+#if defined(MBEDTLS_SHA1_C)
+        if( ( md_info = mbedtls_md_info_from_type( MBEDTLS_MD_SHA1 ) ) == NULL )
+            mbedtls_exit(1);
+
+        if( mbedtls_hmac_drbg_seed( &hmac_drbg, md_info, myrand, NULL, NULL, 0 ) != 0 )
+            mbedtls_exit(1);
+        TIME_AND_TSC( "HMAC_DRBG SHA-1 (NOPR)",
+                mbedtls_hmac_drbg_random( &hmac_drbg, buf, BUFSIZE ) );
+
+        if( mbedtls_hmac_drbg_seed( &hmac_drbg, md_info, myrand, NULL, NULL, 0 ) != 0 )
+            mbedtls_exit(1);
+        mbedtls_hmac_drbg_set_prediction_resistance( &hmac_drbg,
+                                             MBEDTLS_HMAC_DRBG_PR_ON );
+        TIME_AND_TSC( "HMAC_DRBG SHA-1 (PR)",
+                mbedtls_hmac_drbg_random( &hmac_drbg, buf, BUFSIZE ) );
+#endif
+
+#if defined(MBEDTLS_SHA256_C)
+        if( ( md_info = mbedtls_md_info_from_type( MBEDTLS_MD_SHA256 ) ) == NULL )
+            mbedtls_exit(1);
+
+        if( mbedtls_hmac_drbg_seed( &hmac_drbg, md_info, myrand, NULL, NULL, 0 ) != 0 )
+            mbedtls_exit(1);
+        TIME_AND_TSC( "HMAC_DRBG SHA-256 (NOPR)",
+                mbedtls_hmac_drbg_random( &hmac_drbg, buf, BUFSIZE ) );
+
+        if( mbedtls_hmac_drbg_seed( &hmac_drbg, md_info, myrand, NULL, NULL, 0 ) != 0 )
+            mbedtls_exit(1);
+        mbedtls_hmac_drbg_set_prediction_resistance( &hmac_drbg,
+                                             MBEDTLS_HMAC_DRBG_PR_ON );
+        TIME_AND_TSC( "HMAC_DRBG SHA-256 (PR)",
+                mbedtls_hmac_drbg_random( &hmac_drbg, buf, BUFSIZE ) );
+#endif
+        mbedtls_hmac_drbg_free( &hmac_drbg );
+    }
+#endif
+
+#if defined(MBEDTLS_RSA_C) && defined(MBEDTLS_GENPRIME)
+    if( todo.rsa )
+    {
+        int keysize;
+        mbedtls_rsa_context rsa;
+        for( keysize = 2048; keysize <= 4096; keysize *= 2 )
+        {
+            mbedtls_snprintf( title, sizeof( title ), "RSA-%d", keysize );
+
+            mbedtls_rsa_init( &rsa, MBEDTLS_RSA_PKCS_V15, 0 );
+            mbedtls_rsa_gen_key( &rsa, myrand, NULL, keysize, 65537 );
+
+            TIME_PUBLIC( title, " public",
+                    buf[0] = 0;
+                    ret = mbedtls_rsa_public( &rsa, buf, buf ) );
+
+            TIME_PUBLIC( title, "private",
+                    buf[0] = 0;
+                    ret = mbedtls_rsa_private( &rsa, myrand, NULL, buf, buf ) );
+
+            mbedtls_rsa_free( &rsa );
+        }
+    }
+#endif
+
+#if defined(MBEDTLS_DHM_C) && defined(MBEDTLS_BIGNUM_C)
+    if( todo.dhm )
+    {
+        int dhm_sizes[] = { 2048, 3072 };
+        static const unsigned char dhm_P_2048[] =
+            MBEDTLS_DHM_RFC3526_MODP_2048_P_BIN;
+        static const unsigned char dhm_P_3072[] =
+            MBEDTLS_DHM_RFC3526_MODP_3072_P_BIN;
+        static const unsigned char dhm_G_2048[] =
+            MBEDTLS_DHM_RFC3526_MODP_2048_G_BIN;
+        static const unsigned char dhm_G_3072[] =
+            MBEDTLS_DHM_RFC3526_MODP_3072_G_BIN;
+
+        const unsigned char *dhm_P[] = { dhm_P_2048, dhm_P_3072 };
+        const size_t dhm_P_size[] = { sizeof( dhm_P_2048 ),
+                                      sizeof( dhm_P_3072 ) };
+
+        const unsigned char *dhm_G[] = { dhm_G_2048, dhm_G_3072 };
+        const size_t dhm_G_size[] = { sizeof( dhm_G_2048 ),
+                                      sizeof( dhm_G_3072 ) };
+
+        mbedtls_dhm_context dhm;
+        size_t olen;
+        for( i = 0; (size_t) i < sizeof( dhm_sizes ) / sizeof( dhm_sizes[0] ); i++ )
+        {
+            mbedtls_dhm_init( &dhm );
+
+            if( mbedtls_mpi_read_binary( &dhm.P, dhm_P[i],
+                                         dhm_P_size[i] ) != 0 ||
+                mbedtls_mpi_read_binary( &dhm.G, dhm_G[i],
+                                         dhm_G_size[i] ) != 0 )
+            {
+                mbedtls_exit( 1 );
+            }
+
+            dhm.len = mbedtls_mpi_size( &dhm.P );
+            mbedtls_dhm_make_public( &dhm, (int) dhm.len, buf, dhm.len, myrand, NULL );
+            if( mbedtls_mpi_copy( &dhm.GY, &dhm.GX ) != 0 )
+                mbedtls_exit( 1 );
+
+            mbedtls_snprintf( title, sizeof( title ), "DHE-%d", dhm_sizes[i] );
+            TIME_PUBLIC( title, "handshake",
+                    ret |= mbedtls_dhm_make_public( &dhm, (int) dhm.len, buf, dhm.len,
+                                            myrand, NULL );
+                    ret |= mbedtls_dhm_calc_secret( &dhm, buf, sizeof( buf ), &olen, myrand, NULL ) );
+
+            mbedtls_snprintf( title, sizeof( title ), "DH-%d", dhm_sizes[i] );
+            TIME_PUBLIC( title, "handshake",
+                    ret |= mbedtls_dhm_calc_secret( &dhm, buf, sizeof( buf ), &olen, myrand, NULL ) );
+
+            mbedtls_dhm_free( &dhm );
+        }
+    }
+#endif
+
+#if defined(MBEDTLS_ECDSA_C) && defined(MBEDTLS_SHA256_C)
+    if( todo.ecdsa )
+    {
+        mbedtls_ecdsa_context ecdsa;
+        const mbedtls_ecp_curve_info *curve_info;
+        size_t sig_len;
+
+        memset( buf, 0x2A, sizeof( buf ) );
+
+        for( curve_info = curve_list;
+             curve_info->grp_id != MBEDTLS_ECP_DP_NONE;
+             curve_info++ )
+        {
+            if( ! mbedtls_ecdsa_can_do( curve_info->grp_id ) )
+                continue;
+
+            mbedtls_ecdsa_init( &ecdsa );
+
+            if( mbedtls_ecdsa_genkey( &ecdsa, curve_info->grp_id, myrand, NULL ) != 0 )
+                mbedtls_exit( 1 );
+            ecp_clear_precomputed( &ecdsa.grp );
+
+            mbedtls_snprintf( title, sizeof( title ), "ECDSA-%s",
+                                              curve_info->name );
+            TIME_PUBLIC( title, "sign",
+                    ret = mbedtls_ecdsa_write_signature( &ecdsa, MBEDTLS_MD_SHA256, buf, curve_info->bit_size,
+                                                tmp, &sig_len, myrand, NULL ) );
+
+            mbedtls_ecdsa_free( &ecdsa );
+        }
+
+        for( curve_info = curve_list;
+             curve_info->grp_id != MBEDTLS_ECP_DP_NONE;
+             curve_info++ )
+        {
+            if( ! mbedtls_ecdsa_can_do( curve_info->grp_id ) )
+                continue;
+
+            mbedtls_ecdsa_init( &ecdsa );
+
+            if( mbedtls_ecdsa_genkey( &ecdsa, curve_info->grp_id, myrand, NULL ) != 0 ||
+                mbedtls_ecdsa_write_signature( &ecdsa, MBEDTLS_MD_SHA256, buf, curve_info->bit_size,
+                                               tmp, &sig_len, myrand, NULL ) != 0 )
+            {
+                mbedtls_exit( 1 );
+            }
+            ecp_clear_precomputed( &ecdsa.grp );
+
+            mbedtls_snprintf( title, sizeof( title ), "ECDSA-%s",
+                                              curve_info->name );
+            TIME_PUBLIC( title, "verify",
+                    ret = mbedtls_ecdsa_read_signature( &ecdsa, buf, curve_info->bit_size,
+                                                tmp, sig_len ) );
+
+            mbedtls_ecdsa_free( &ecdsa );
+        }
+    }
+#endif
+
+#if defined(MBEDTLS_ECDH_C) && defined(MBEDTLS_ECDH_LEGACY_CONTEXT)
+    if( todo.ecdh )
+    {
+        mbedtls_ecdh_context ecdh;
+        mbedtls_mpi z;
+        const mbedtls_ecp_curve_info montgomery_curve_list[] = {
+#if defined(MBEDTLS_ECP_DP_CURVE25519_ENABLED)
+            { MBEDTLS_ECP_DP_CURVE25519, 0, 0, "Curve25519" },
+#endif
+#if defined(MBEDTLS_ECP_DP_CURVE448_ENABLED)
+            { MBEDTLS_ECP_DP_CURVE448, 0, 0, "Curve448" },
+#endif
+            { MBEDTLS_ECP_DP_NONE, 0, 0, 0 }
+        };
+        const mbedtls_ecp_curve_info *curve_info;
+        size_t olen;
+        const mbedtls_ecp_curve_info *selected_montgomery_curve_list =
+            montgomery_curve_list;
+
+        if( curve_list == (const mbedtls_ecp_curve_info*) &single_curve )
+        {
+            mbedtls_ecp_group grp;
+            mbedtls_ecp_group_init( &grp );
+            if( mbedtls_ecp_group_load( &grp, curve_list->grp_id ) != 0 )
+                mbedtls_exit( 1 );
+            if( mbedtls_ecp_get_type( &grp ) == MBEDTLS_ECP_TYPE_MONTGOMERY )
+                selected_montgomery_curve_list = single_curve;
+            else /* empty list */
+                selected_montgomery_curve_list = single_curve + 1;
+            mbedtls_ecp_group_free( &grp );
+        }
+
+        for( curve_info = curve_list;
+             curve_info->grp_id != MBEDTLS_ECP_DP_NONE;
+             curve_info++ )
+        {
+            if( ! mbedtls_ecdh_can_do( curve_info->grp_id ) )
+                continue;
+
+            mbedtls_ecdh_init( &ecdh );
+
+            CHECK_AND_CONTINUE( mbedtls_ecp_group_load( &ecdh.grp, curve_info->grp_id ) );
+            CHECK_AND_CONTINUE( mbedtls_ecdh_make_public( &ecdh, &olen, buf, sizeof( buf),
+                                                    myrand, NULL ) );
+            CHECK_AND_CONTINUE( mbedtls_ecp_copy( &ecdh.Qp, &ecdh.Q ) );
+            ecp_clear_precomputed( &ecdh.grp );
+
+            mbedtls_snprintf( title, sizeof( title ), "ECDHE-%s",
+                                              curve_info->name );
+            TIME_PUBLIC( title, "handshake",
+                    CHECK_AND_CONTINUE( mbedtls_ecdh_make_public( &ecdh, &olen, buf, sizeof( buf),
+                                             myrand, NULL ) );
+                    CHECK_AND_CONTINUE( mbedtls_ecdh_calc_secret( &ecdh, &olen, buf, sizeof( buf ),
+                                             myrand, NULL ) ) );
+            mbedtls_ecdh_free( &ecdh );
+        }
+
+        /* Montgomery curves need to be handled separately */
+        for ( curve_info = selected_montgomery_curve_list;
+              curve_info->grp_id != MBEDTLS_ECP_DP_NONE;
+              curve_info++ )
+        {
+            mbedtls_ecdh_init( &ecdh );
+            mbedtls_mpi_init( &z );
+
+            CHECK_AND_CONTINUE( mbedtls_ecp_group_load( &ecdh.grp, curve_info->grp_id ) );
+            CHECK_AND_CONTINUE( mbedtls_ecdh_gen_public( &ecdh.grp, &ecdh.d, &ecdh.Qp, myrand, NULL ) );
+
+            mbedtls_snprintf( title, sizeof(title), "ECDHE-%s",
+                              curve_info->name );
+            TIME_PUBLIC(  title, "handshake",
+                    CHECK_AND_CONTINUE( mbedtls_ecdh_gen_public( &ecdh.grp, &ecdh.d, &ecdh.Q,
+                                            myrand, NULL ) );
+                    CHECK_AND_CONTINUE( mbedtls_ecdh_compute_shared( &ecdh.grp, &z, &ecdh.Qp, &ecdh.d,
+                                                myrand, NULL ) ) );
+
+            mbedtls_ecdh_free( &ecdh );
+            mbedtls_mpi_free( &z );
+        }
+
+        for( curve_info = curve_list;
+             curve_info->grp_id != MBEDTLS_ECP_DP_NONE;
+             curve_info++ )
+        {
+            if( ! mbedtls_ecdh_can_do( curve_info->grp_id ) )
+                continue;
+
+            mbedtls_ecdh_init( &ecdh );
+
+            CHECK_AND_CONTINUE( mbedtls_ecp_group_load( &ecdh.grp, curve_info->grp_id ) );
+            CHECK_AND_CONTINUE( mbedtls_ecdh_make_public( &ecdh, &olen, buf, sizeof( buf),
+                                  myrand, NULL ) );
+            CHECK_AND_CONTINUE( mbedtls_ecp_copy( &ecdh.Qp, &ecdh.Q ) );
+            CHECK_AND_CONTINUE( mbedtls_ecdh_make_public( &ecdh, &olen, buf, sizeof( buf),
+                                  myrand, NULL ) );
+            ecp_clear_precomputed( &ecdh.grp );
+
+            mbedtls_snprintf( title, sizeof( title ), "ECDH-%s",
+                                              curve_info->name );
+            TIME_PUBLIC( title, "handshake",
+                    CHECK_AND_CONTINUE( mbedtls_ecdh_calc_secret( &ecdh, &olen, buf, sizeof( buf ),
+                                             myrand, NULL ) ) );
+            mbedtls_ecdh_free( &ecdh );
+        }
+
+        /* Montgomery curves need to be handled separately */
+        for ( curve_info = selected_montgomery_curve_list;
+              curve_info->grp_id != MBEDTLS_ECP_DP_NONE;
+              curve_info++)
+        {
+            mbedtls_ecdh_init( &ecdh );
+            mbedtls_mpi_init( &z );
+
+            CHECK_AND_CONTINUE( mbedtls_ecp_group_load( &ecdh.grp, curve_info->grp_id ) );
+            CHECK_AND_CONTINUE( mbedtls_ecdh_gen_public( &ecdh.grp, &ecdh.d, &ecdh.Qp,
+                                 myrand, NULL ) );
+            CHECK_AND_CONTINUE( mbedtls_ecdh_gen_public( &ecdh.grp, &ecdh.d, &ecdh.Q, myrand, NULL ) );
+
+            mbedtls_snprintf( title, sizeof(title), "ECDH-%s",
+                              curve_info->name );
+            TIME_PUBLIC(  title, "handshake",
+                    CHECK_AND_CONTINUE( mbedtls_ecdh_compute_shared( &ecdh.grp, &z, &ecdh.Qp, &ecdh.d,
+                                                myrand, NULL ) ) );
+
+            mbedtls_ecdh_free( &ecdh );
+            mbedtls_mpi_free( &z );
+        }
+    }
+#endif
+
+#if defined(MBEDTLS_ECDH_C)
+    if( todo.ecdh )
+    {
+        mbedtls_ecdh_context ecdh_srv, ecdh_cli;
+        unsigned char buf_srv[BUFSIZE], buf_cli[BUFSIZE];
+        const mbedtls_ecp_curve_info *curve_info;
+        size_t olen;
+
+        for( curve_info = curve_list;
+            curve_info->grp_id != MBEDTLS_ECP_DP_NONE;
+            curve_info++ )
+        {
+            if( ! mbedtls_ecdh_can_do( curve_info->grp_id ) )
+                continue;
+
+            mbedtls_ecdh_init( &ecdh_srv );
+            mbedtls_ecdh_init( &ecdh_cli );
+
+            mbedtls_snprintf( title, sizeof( title ), "ECDHE-%s", curve_info->name );
+            TIME_PUBLIC( title, "full handshake",
+                const unsigned char * p_srv = buf_srv;
+
+                CHECK_AND_CONTINUE( mbedtls_ecdh_setup( &ecdh_srv, curve_info->grp_id ) );
+                CHECK_AND_CONTINUE( mbedtls_ecdh_make_params( &ecdh_srv, &olen, buf_srv, sizeof( buf_srv ), myrand, NULL ) );
+
+                CHECK_AND_CONTINUE( mbedtls_ecdh_read_params( &ecdh_cli, &p_srv, p_srv + olen ) );
+                CHECK_AND_CONTINUE( mbedtls_ecdh_make_public( &ecdh_cli, &olen, buf_cli, sizeof( buf_cli ), myrand, NULL ) );
+
+                CHECK_AND_CONTINUE( mbedtls_ecdh_read_public( &ecdh_srv, buf_cli, olen ) );
+                CHECK_AND_CONTINUE( mbedtls_ecdh_calc_secret( &ecdh_srv, &olen, buf_srv, sizeof( buf_srv ), myrand, NULL ) );
+
+                CHECK_AND_CONTINUE( mbedtls_ecdh_calc_secret( &ecdh_cli, &olen, buf_cli, sizeof( buf_cli ), myrand, NULL ) );
+                mbedtls_ecdh_free( &ecdh_cli );
+
+                mbedtls_ecdh_free( &ecdh_srv );
+            );
+
+        }
+    }
+#endif
+
+    mbedtls_printf( "\n" );
+
+#if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
+    mbedtls_memory_buffer_alloc_free();
+#endif
+
+#if defined(_WIN32)
+    mbedtls_printf( "  Press Enter to exit this program.\n" );
+    fflush( stdout ); getchar();
+#endif
+
+    mbedtls_exit( 0 );
+}
+
+#endif /* MBEDTLS_TIMING_C */
diff --git a/lib/mbedtls-2.27.0/programs/test/cmake_subproject/.gitignore b/lib/mbedtls-2.27.0/programs/test/cmake_subproject/.gitignore
new file mode 100644
index 0000000..464833b
--- /dev/null
+++ b/lib/mbedtls-2.27.0/programs/test/cmake_subproject/.gitignore
@@ -0,0 +1,3 @@
+build
+Makefile
+cmake_subproject
diff --git a/lib/mbedtls-2.27.0/programs/test/cmake_subproject/CMakeLists.txt b/lib/mbedtls-2.27.0/programs/test/cmake_subproject/CMakeLists.txt
new file mode 100644
index 0000000..a9fcfde
--- /dev/null
+++ b/lib/mbedtls-2.27.0/programs/test/cmake_subproject/CMakeLists.txt
@@ -0,0 +1,23 @@
+cmake_minimum_required(VERSION 2.6)
+
+# Test the target renaming support by adding a prefix to the targets built
+set(MBEDTLS_TARGET_PREFIX subproject_test_)
+
+# We use the parent Mbed TLS directory as the MBEDTLS_DIR for this test. Other
+# projects that use Mbed TLS as a subproject are likely to add by their own
+# relative paths.
+set(MBEDTLS_DIR ../../../)
+
+# Add Mbed TLS as a subdirectory.
+add_subdirectory(${MBEDTLS_DIR} build)
+
+# Link against all the Mbed TLS libraries. Verifies that the targets have been
+# created using the specified prefix
+set(libs
+    subproject_test_mbedcrypto
+    subproject_test_mbedx509
+    subproject_test_mbedtls
+)
+
+add_executable(cmake_subproject cmake_subproject.c)
+target_link_libraries(cmake_subproject ${libs})
diff --git a/lib/mbedtls-2.27.0/programs/test/cmake_subproject/cmake_subproject.c b/lib/mbedtls-2.27.0/programs/test/cmake_subproject/cmake_subproject.c
new file mode 100644
index 0000000..6d81830
--- /dev/null
+++ b/lib/mbedtls-2.27.0/programs/test/cmake_subproject/cmake_subproject.c
@@ -0,0 +1,54 @@
+/*
+ *  Simple program to test that CMake builds with Mbed TLS as a subdirectory
+ *  work correctly.
+ *
+ *  Copyright The Mbed TLS Contributors
+ *  SPDX-License-Identifier: Apache-2.0
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License"); you may
+ *  not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+#if !defined(MBEDTLS_CONFIG_FILE)
+#include "mbedtls/config.h"
+#else
+#include MBEDTLS_CONFIG_FILE
+#endif
+
+#if defined(MBEDTLS_PLATFORM_C)
+#include "mbedtls/platform.h"
+#else
+#include <stdio.h>
+#include <stdlib.h>
+#define mbedtls_fprintf         fprintf
+#define mbedtls_printf          printf
+#define mbedtls_exit            exit
+#define MBEDTLS_EXIT_SUCCESS    EXIT_SUCCESS
+#define MBEDTLS_EXIT_FAILURE    EXIT_FAILURE
+#endif /* MBEDTLS_PLATFORM_C */
+
+#include "mbedtls/version.h"
+
+/* The main reason to build this is for testing the CMake build, so the program
+ * doesn't need to do very much. It calls a single library function to ensure
+ * linkage works, but that is all. */
+int main()
+{
+    /* This version string is 18 bytes long, as advised by version.h. */
+    char version[18];
+
+    mbedtls_version_get_string_full( version );
+
+    mbedtls_printf( "Built against %s\n", version );
+
+    return( 0 );
+}
diff --git a/lib/mbedtls-2.27.0/programs/test/cpp_dummy_build.cpp b/lib/mbedtls-2.27.0/programs/test/cpp_dummy_build.cpp
new file mode 100644
index 0000000..d052682
--- /dev/null
+++ b/lib/mbedtls-2.27.0/programs/test/cpp_dummy_build.cpp
@@ -0,0 +1,123 @@
+/*
+ *  This program is a dummy C++ program to ensure Mbed TLS library header files
+ *  can be included and built with a C++ compiler.
+ *
+ *  Copyright The Mbed TLS Contributors
+ *  SPDX-License-Identifier: Apache-2.0
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License"); you may
+ *  not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+#if !defined(MBEDTLS_CONFIG_FILE)
+#include "mbedtls/config.h"
+#else
+#include MBEDTLS_CONFIG_FILE
+#endif
+
+#include "mbedtls/aes.h"
+#include "mbedtls/aesni.h"
+#include "mbedtls/arc4.h"
+#include "mbedtls/aria.h"
+#include "mbedtls/asn1.h"
+#include "mbedtls/asn1write.h"
+#include "mbedtls/base64.h"
+#include "mbedtls/bignum.h"
+#include "mbedtls/blowfish.h"
+#include "mbedtls/bn_mul.h"
+#include "mbedtls/camellia.h"
+#include "mbedtls/ccm.h"
+#include "mbedtls/certs.h"
+#include "mbedtls/chacha20.h"
+#include "mbedtls/chachapoly.h"
+#include "mbedtls/check_config.h"
+#include "mbedtls/cipher.h"
+#include "mbedtls/cipher_internal.h"
+#include "mbedtls/cmac.h"
+#include "mbedtls/compat-1.3.h"
+#include "mbedtls/config_psa.h"
+#include "mbedtls/ctr_drbg.h"
+#include "mbedtls/debug.h"
+#include "mbedtls/des.h"
+#include "mbedtls/dhm.h"
+#include "mbedtls/ecdh.h"
+#include "mbedtls/ecdsa.h"
+#include "mbedtls/ecjpake.h"
+#include "mbedtls/ecp.h"
+#include "mbedtls/ecp_internal.h"
+#include "mbedtls/entropy.h"
+#include "mbedtls/entropy_poll.h"
+#include "mbedtls/error.h"
+#include "mbedtls/gcm.h"
+#include "mbedtls/havege.h"
+#include "mbedtls/hkdf.h"
+#include "mbedtls/hmac_drbg.h"
+#include "mbedtls/md.h"
+#include "mbedtls/md2.h"
+#include "mbedtls/md4.h"
+#include "mbedtls/md5.h"
+#include "mbedtls/md_internal.h"
+#include "mbedtls/net.h"
+#include "mbedtls/net_sockets.h"
+#include "mbedtls/nist_kw.h"
+#include "mbedtls/oid.h"
+#include "mbedtls/padlock.h"
+#include "mbedtls/pem.h"
+#include "mbedtls/pk.h"
+#include "mbedtls/pk_internal.h"
+#include "mbedtls/pkcs11.h"
+#include "mbedtls/pkcs12.h"
+#include "mbedtls/pkcs5.h"
+#include "mbedtls/platform_time.h"
+#include "mbedtls/platform_util.h"
+#include "mbedtls/poly1305.h"
+#include "mbedtls/psa_util.h"
+#include "mbedtls/ripemd160.h"
+#include "mbedtls/rsa.h"
+#include "mbedtls/rsa_internal.h"
+#include "mbedtls/sha1.h"
+#include "mbedtls/sha256.h"
+#include "mbedtls/sha512.h"
+#include "mbedtls/ssl.h"
+#include "mbedtls/ssl_cache.h"
+#include "mbedtls/ssl_ciphersuites.h"
+#include "mbedtls/ssl_cookie.h"
+#include "mbedtls/ssl_internal.h"
+#include "mbedtls/ssl_ticket.h"
+#include "mbedtls/threading.h"
+#include "mbedtls/timing.h"
+#include "mbedtls/version.h"
+#include "mbedtls/x509.h"
+#include "mbedtls/x509_crl.h"
+#include "mbedtls/x509_crt.h"
+#include "mbedtls/x509_csr.h"
+#include "mbedtls/xtea.h"
+
+#if defined(MBEDTLS_PLATFORM_C)
+#include "mbedtls/platform.h"
+#endif
+
+#if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
+#include "mbedtls/memory_buffer_alloc.h"
+#endif
+
+#include "psa/crypto.h"
+#include "psa/crypto_se_driver.h"
+#include "../library/psa_crypto_its.h"
+
+int main()
+{
+    mbedtls_platform_context *ctx = NULL;
+    mbedtls_platform_setup(ctx);
+    mbedtls_printf("CPP Build test\n");
+    mbedtls_platform_teardown(ctx);
+}
diff --git a/lib/mbedtls-2.27.0/programs/test/query_compile_time_config.c b/lib/mbedtls-2.27.0/programs/test/query_compile_time_config.c
new file mode 100644
index 0000000..0e356c8
--- /dev/null
+++ b/lib/mbedtls-2.27.0/programs/test/query_compile_time_config.c
@@ -0,0 +1,54 @@
+/*
+ *  Query the Mbed TLS compile time configuration
+ *
+ *  Copyright The Mbed TLS Contributors
+ *  SPDX-License-Identifier: Apache-2.0
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License"); you may
+ *  not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+#if !defined(MBEDTLS_CONFIG_FILE)
+#include "mbedtls/config.h"
+#else
+#include MBEDTLS_CONFIG_FILE
+#endif
+
+#if defined(MBEDTLS_PLATFORM_C)
+#include "mbedtls/platform.h"
+#else
+#include <stdio.h>
+#include <stdlib.h>
+#define mbedtls_printf       printf
+#define MBEDTLS_EXIT_FAILURE EXIT_FAILURE
+#endif
+
+#define USAGE                                                                \
+    "usage: %s <MBEDTLS_CONFIG>\n\n"                                         \
+    "This program takes one command line argument which corresponds to\n"    \
+    "the string representation of a Mbed TLS compile time configuration.\n"  \
+    "The value 0 will be returned if this configuration is defined in the\n" \
+    "Mbed TLS build and the macro expansion of that configuration will be\n" \
+    "printed (if any). Otherwise, 1 will be returned.\n"
+
+#include "query_config.h"
+
+int main( int argc, char *argv[] )
+{
+    if ( argc != 2 )
+    {
+        mbedtls_printf( USAGE, argv[0] );
+        return( MBEDTLS_EXIT_FAILURE );
+    }
+
+    return( query_config( argv[1] ) );
+}
diff --git a/lib/mbedtls-2.27.0/programs/test/query_config.c b/lib/mbedtls-2.27.0/programs/test/query_config.c
new file mode 100644
index 0000000..9760f62
--- /dev/null
+++ b/lib/mbedtls-2.27.0/programs/test/query_config.c
@@ -0,0 +1,2827 @@
+/*
+ *  Query Mbed TLS compile time configurations from config.h
+ *
+ *  Copyright The Mbed TLS Contributors
+ *  SPDX-License-Identifier: Apache-2.0
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License"); you may
+ *  not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+#if !defined(MBEDTLS_CONFIG_FILE)
+#include "mbedtls/config.h"
+#else
+#include MBEDTLS_CONFIG_FILE
+#endif
+
+#include "query_config.h"
+
+#if defined(MBEDTLS_PLATFORM_C)
+#include "mbedtls/platform.h"
+#else
+#include <stdio.h>
+#define mbedtls_printf printf
+#endif /* MBEDTLS_PLATFORM_C */
+
+/*
+ * Include all the headers with public APIs in case they define a macro to its
+ * default value when that configuration is not set in the config.h.
+ */
+#include "mbedtls/aes.h"
+#include "mbedtls/aesni.h"
+#include "mbedtls/arc4.h"
+#include "mbedtls/aria.h"
+#include "mbedtls/asn1.h"
+#include "mbedtls/asn1write.h"
+#include "mbedtls/base64.h"
+#include "mbedtls/bignum.h"
+#include "mbedtls/blowfish.h"
+#include "mbedtls/camellia.h"
+#include "mbedtls/ccm.h"
+#include "mbedtls/certs.h"
+#include "mbedtls/chacha20.h"
+#include "mbedtls/chachapoly.h"
+#include "mbedtls/cipher.h"
+#include "mbedtls/cmac.h"
+#include "mbedtls/ctr_drbg.h"
+#include "mbedtls/debug.h"
+#include "mbedtls/des.h"
+#include "mbedtls/dhm.h"
+#include "mbedtls/ecdh.h"
+#include "mbedtls/ecdsa.h"
+#include "mbedtls/ecjpake.h"
+#include "mbedtls/ecp.h"
+#include "mbedtls/entropy.h"
+#include "mbedtls/entropy_poll.h"
+#include "mbedtls/error.h"
+#include "mbedtls/gcm.h"
+#include "mbedtls/havege.h"
+#include "mbedtls/hkdf.h"
+#include "mbedtls/hmac_drbg.h"
+#include "mbedtls/md.h"
+#include "mbedtls/md2.h"
+#include "mbedtls/md4.h"
+#include "mbedtls/md5.h"
+#include "mbedtls/memory_buffer_alloc.h"
+#include "mbedtls/net_sockets.h"
+#include "mbedtls/nist_kw.h"
+#include "mbedtls/oid.h"
+#include "mbedtls/padlock.h"
+#include "mbedtls/pem.h"
+#include "mbedtls/pk.h"
+#include "mbedtls/pkcs11.h"
+#include "mbedtls/pkcs12.h"
+#include "mbedtls/pkcs5.h"
+#include "mbedtls/platform_time.h"
+#include "mbedtls/platform_util.h"
+#include "mbedtls/poly1305.h"
+#include "mbedtls/ripemd160.h"
+#include "mbedtls/rsa.h"
+#include "mbedtls/sha1.h"
+#include "mbedtls/sha256.h"
+#include "mbedtls/sha512.h"
+#include "mbedtls/ssl.h"
+#include "mbedtls/ssl_cache.h"
+#include "mbedtls/ssl_ciphersuites.h"
+#include "mbedtls/ssl_cookie.h"
+#include "mbedtls/ssl_internal.h"
+#include "mbedtls/ssl_ticket.h"
+#include "mbedtls/threading.h"
+#include "mbedtls/timing.h"
+#include "mbedtls/version.h"
+#include "mbedtls/x509.h"
+#include "mbedtls/x509_crl.h"
+#include "mbedtls/x509_crt.h"
+#include "mbedtls/x509_csr.h"
+#include "mbedtls/xtea.h"
+
+#include <string.h>
+
+/*
+ * Helper macros to convert a macro or its expansion into a string
+ * WARNING: This does not work for expanding function-like macros. However,
+ * Mbed TLS does not currently have configuration options used in this fashion.
+ */
+#define MACRO_EXPANSION_TO_STR(macro)   MACRO_NAME_TO_STR(macro)
+#define MACRO_NAME_TO_STR(macro)                                        \
+    mbedtls_printf( "%s", strlen( #macro "" ) > 0 ? #macro "\n" : "" )
+
+#if defined(_MSC_VER)
+/*
+ * Visual Studio throws the warning 4003 because many Mbed TLS feature macros
+ * are defined empty. This means that from the preprocessor's point of view
+ * the macro MBEDTLS_EXPANSION_TO_STR is being invoked without arguments as
+ * some macros expand to nothing. We suppress that specific warning to get a
+ * clean build and to ensure that tests treating warnings as errors do not
+ * fail.
+ */
+#pragma warning(push)
+#pragma warning(disable:4003)
+#endif /* _MSC_VER */
+
+int query_config( const char *config )
+{
+#if defined(MBEDTLS_HAVE_ASM)
+    if( strcmp( "MBEDTLS_HAVE_ASM", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_HAVE_ASM );
+        return( 0 );
+    }
+#endif /* MBEDTLS_HAVE_ASM */
+
+#if defined(MBEDTLS_NO_UDBL_DIVISION)
+    if( strcmp( "MBEDTLS_NO_UDBL_DIVISION", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_NO_UDBL_DIVISION );
+        return( 0 );
+    }
+#endif /* MBEDTLS_NO_UDBL_DIVISION */
+
+#if defined(MBEDTLS_NO_64BIT_MULTIPLICATION)
+    if( strcmp( "MBEDTLS_NO_64BIT_MULTIPLICATION", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_NO_64BIT_MULTIPLICATION );
+        return( 0 );
+    }
+#endif /* MBEDTLS_NO_64BIT_MULTIPLICATION */
+
+#if defined(MBEDTLS_HAVE_SSE2)
+    if( strcmp( "MBEDTLS_HAVE_SSE2", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_HAVE_SSE2 );
+        return( 0 );
+    }
+#endif /* MBEDTLS_HAVE_SSE2 */
+
+#if defined(MBEDTLS_HAVE_TIME)
+    if( strcmp( "MBEDTLS_HAVE_TIME", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_HAVE_TIME );
+        return( 0 );
+    }
+#endif /* MBEDTLS_HAVE_TIME */
+
+#if defined(MBEDTLS_HAVE_TIME_DATE)
+    if( strcmp( "MBEDTLS_HAVE_TIME_DATE", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_HAVE_TIME_DATE );
+        return( 0 );
+    }
+#endif /* MBEDTLS_HAVE_TIME_DATE */
+
+#if defined(MBEDTLS_PLATFORM_MEMORY)
+    if( strcmp( "MBEDTLS_PLATFORM_MEMORY", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_PLATFORM_MEMORY );
+        return( 0 );
+    }
+#endif /* MBEDTLS_PLATFORM_MEMORY */
+
+#if defined(MBEDTLS_PLATFORM_NO_STD_FUNCTIONS)
+    if( strcmp( "MBEDTLS_PLATFORM_NO_STD_FUNCTIONS", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_PLATFORM_NO_STD_FUNCTIONS );
+        return( 0 );
+    }
+#endif /* MBEDTLS_PLATFORM_NO_STD_FUNCTIONS */
+
+#if defined(MBEDTLS_PLATFORM_EXIT_ALT)
+    if( strcmp( "MBEDTLS_PLATFORM_EXIT_ALT", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_PLATFORM_EXIT_ALT );
+        return( 0 );
+    }
+#endif /* MBEDTLS_PLATFORM_EXIT_ALT */
+
+#if defined(MBEDTLS_PLATFORM_TIME_ALT)
+    if( strcmp( "MBEDTLS_PLATFORM_TIME_ALT", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_PLATFORM_TIME_ALT );
+        return( 0 );
+    }
+#endif /* MBEDTLS_PLATFORM_TIME_ALT */
+
+#if defined(MBEDTLS_PLATFORM_FPRINTF_ALT)
+    if( strcmp( "MBEDTLS_PLATFORM_FPRINTF_ALT", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_PLATFORM_FPRINTF_ALT );
+        return( 0 );
+    }
+#endif /* MBEDTLS_PLATFORM_FPRINTF_ALT */
+
+#if defined(MBEDTLS_PLATFORM_PRINTF_ALT)
+    if( strcmp( "MBEDTLS_PLATFORM_PRINTF_ALT", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_PLATFORM_PRINTF_ALT );
+        return( 0 );
+    }
+#endif /* MBEDTLS_PLATFORM_PRINTF_ALT */
+
+#if defined(MBEDTLS_PLATFORM_SNPRINTF_ALT)
+    if( strcmp( "MBEDTLS_PLATFORM_SNPRINTF_ALT", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_PLATFORM_SNPRINTF_ALT );
+        return( 0 );
+    }
+#endif /* MBEDTLS_PLATFORM_SNPRINTF_ALT */
+
+#if defined(MBEDTLS_PLATFORM_VSNPRINTF_ALT)
+    if( strcmp( "MBEDTLS_PLATFORM_VSNPRINTF_ALT", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_PLATFORM_VSNPRINTF_ALT );
+        return( 0 );
+    }
+#endif /* MBEDTLS_PLATFORM_VSNPRINTF_ALT */
+
+#if defined(MBEDTLS_PLATFORM_NV_SEED_ALT)
+    if( strcmp( "MBEDTLS_PLATFORM_NV_SEED_ALT", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_PLATFORM_NV_SEED_ALT );
+        return( 0 );
+    }
+#endif /* MBEDTLS_PLATFORM_NV_SEED_ALT */
+
+#if defined(MBEDTLS_PLATFORM_SETUP_TEARDOWN_ALT)
+    if( strcmp( "MBEDTLS_PLATFORM_SETUP_TEARDOWN_ALT", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_PLATFORM_SETUP_TEARDOWN_ALT );
+        return( 0 );
+    }
+#endif /* MBEDTLS_PLATFORM_SETUP_TEARDOWN_ALT */
+
+#if defined(MBEDTLS_DEPRECATED_WARNING)
+    if( strcmp( "MBEDTLS_DEPRECATED_WARNING", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_DEPRECATED_WARNING );
+        return( 0 );
+    }
+#endif /* MBEDTLS_DEPRECATED_WARNING */
+
+#if defined(MBEDTLS_DEPRECATED_REMOVED)
+    if( strcmp( "MBEDTLS_DEPRECATED_REMOVED", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_DEPRECATED_REMOVED );
+        return( 0 );
+    }
+#endif /* MBEDTLS_DEPRECATED_REMOVED */
+
+#if defined(MBEDTLS_CHECK_PARAMS)
+    if( strcmp( "MBEDTLS_CHECK_PARAMS", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_CHECK_PARAMS );
+        return( 0 );
+    }
+#endif /* MBEDTLS_CHECK_PARAMS */
+
+#if defined(MBEDTLS_CHECK_PARAMS_ASSERT)
+    if( strcmp( "MBEDTLS_CHECK_PARAMS_ASSERT", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_CHECK_PARAMS_ASSERT );
+        return( 0 );
+    }
+#endif /* MBEDTLS_CHECK_PARAMS_ASSERT */
+
+#if defined(MBEDTLS_TIMING_ALT)
+    if( strcmp( "MBEDTLS_TIMING_ALT", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_TIMING_ALT );
+        return( 0 );
+    }
+#endif /* MBEDTLS_TIMING_ALT */
+
+#if defined(MBEDTLS_AES_ALT)
+    if( strcmp( "MBEDTLS_AES_ALT", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_AES_ALT );
+        return( 0 );
+    }
+#endif /* MBEDTLS_AES_ALT */
+
+#if defined(MBEDTLS_ARC4_ALT)
+    if( strcmp( "MBEDTLS_ARC4_ALT", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_ARC4_ALT );
+        return( 0 );
+    }
+#endif /* MBEDTLS_ARC4_ALT */
+
+#if defined(MBEDTLS_ARIA_ALT)
+    if( strcmp( "MBEDTLS_ARIA_ALT", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_ARIA_ALT );
+        return( 0 );
+    }
+#endif /* MBEDTLS_ARIA_ALT */
+
+#if defined(MBEDTLS_BLOWFISH_ALT)
+    if( strcmp( "MBEDTLS_BLOWFISH_ALT", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_BLOWFISH_ALT );
+        return( 0 );
+    }
+#endif /* MBEDTLS_BLOWFISH_ALT */
+
+#if defined(MBEDTLS_CAMELLIA_ALT)
+    if( strcmp( "MBEDTLS_CAMELLIA_ALT", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_CAMELLIA_ALT );
+        return( 0 );
+    }
+#endif /* MBEDTLS_CAMELLIA_ALT */
+
+#if defined(MBEDTLS_CCM_ALT)
+    if( strcmp( "MBEDTLS_CCM_ALT", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_CCM_ALT );
+        return( 0 );
+    }
+#endif /* MBEDTLS_CCM_ALT */
+
+#if defined(MBEDTLS_CHACHA20_ALT)
+    if( strcmp( "MBEDTLS_CHACHA20_ALT", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_CHACHA20_ALT );
+        return( 0 );
+    }
+#endif /* MBEDTLS_CHACHA20_ALT */
+
+#if defined(MBEDTLS_CHACHAPOLY_ALT)
+    if( strcmp( "MBEDTLS_CHACHAPOLY_ALT", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_CHACHAPOLY_ALT );
+        return( 0 );
+    }
+#endif /* MBEDTLS_CHACHAPOLY_ALT */
+
+#if defined(MBEDTLS_CMAC_ALT)
+    if( strcmp( "MBEDTLS_CMAC_ALT", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_CMAC_ALT );
+        return( 0 );
+    }
+#endif /* MBEDTLS_CMAC_ALT */
+
+#if defined(MBEDTLS_DES_ALT)
+    if( strcmp( "MBEDTLS_DES_ALT", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_DES_ALT );
+        return( 0 );
+    }
+#endif /* MBEDTLS_DES_ALT */
+
+#if defined(MBEDTLS_DHM_ALT)
+    if( strcmp( "MBEDTLS_DHM_ALT", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_DHM_ALT );
+        return( 0 );
+    }
+#endif /* MBEDTLS_DHM_ALT */
+
+#if defined(MBEDTLS_ECJPAKE_ALT)
+    if( strcmp( "MBEDTLS_ECJPAKE_ALT", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_ECJPAKE_ALT );
+        return( 0 );
+    }
+#endif /* MBEDTLS_ECJPAKE_ALT */
+
+#if defined(MBEDTLS_GCM_ALT)
+    if( strcmp( "MBEDTLS_GCM_ALT", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_GCM_ALT );
+        return( 0 );
+    }
+#endif /* MBEDTLS_GCM_ALT */
+
+#if defined(MBEDTLS_NIST_KW_ALT)
+    if( strcmp( "MBEDTLS_NIST_KW_ALT", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_NIST_KW_ALT );
+        return( 0 );
+    }
+#endif /* MBEDTLS_NIST_KW_ALT */
+
+#if defined(MBEDTLS_MD2_ALT)
+    if( strcmp( "MBEDTLS_MD2_ALT", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_MD2_ALT );
+        return( 0 );
+    }
+#endif /* MBEDTLS_MD2_ALT */
+
+#if defined(MBEDTLS_MD4_ALT)
+    if( strcmp( "MBEDTLS_MD4_ALT", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_MD4_ALT );
+        return( 0 );
+    }
+#endif /* MBEDTLS_MD4_ALT */
+
+#if defined(MBEDTLS_MD5_ALT)
+    if( strcmp( "MBEDTLS_MD5_ALT", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_MD5_ALT );
+        return( 0 );
+    }
+#endif /* MBEDTLS_MD5_ALT */
+
+#if defined(MBEDTLS_POLY1305_ALT)
+    if( strcmp( "MBEDTLS_POLY1305_ALT", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_POLY1305_ALT );
+        return( 0 );
+    }
+#endif /* MBEDTLS_POLY1305_ALT */
+
+#if defined(MBEDTLS_RIPEMD160_ALT)
+    if( strcmp( "MBEDTLS_RIPEMD160_ALT", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_RIPEMD160_ALT );
+        return( 0 );
+    }
+#endif /* MBEDTLS_RIPEMD160_ALT */
+
+#if defined(MBEDTLS_RSA_ALT)
+    if( strcmp( "MBEDTLS_RSA_ALT", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_RSA_ALT );
+        return( 0 );
+    }
+#endif /* MBEDTLS_RSA_ALT */
+
+#if defined(MBEDTLS_SHA1_ALT)
+    if( strcmp( "MBEDTLS_SHA1_ALT", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_SHA1_ALT );
+        return( 0 );
+    }
+#endif /* MBEDTLS_SHA1_ALT */
+
+#if defined(MBEDTLS_SHA256_ALT)
+    if( strcmp( "MBEDTLS_SHA256_ALT", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_SHA256_ALT );
+        return( 0 );
+    }
+#endif /* MBEDTLS_SHA256_ALT */
+
+#if defined(MBEDTLS_SHA512_ALT)
+    if( strcmp( "MBEDTLS_SHA512_ALT", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_SHA512_ALT );
+        return( 0 );
+    }
+#endif /* MBEDTLS_SHA512_ALT */
+
+#if defined(MBEDTLS_XTEA_ALT)
+    if( strcmp( "MBEDTLS_XTEA_ALT", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_XTEA_ALT );
+        return( 0 );
+    }
+#endif /* MBEDTLS_XTEA_ALT */
+
+#if defined(MBEDTLS_ECP_ALT)
+    if( strcmp( "MBEDTLS_ECP_ALT", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_ECP_ALT );
+        return( 0 );
+    }
+#endif /* MBEDTLS_ECP_ALT */
+
+#if defined(MBEDTLS_MD2_PROCESS_ALT)
+    if( strcmp( "MBEDTLS_MD2_PROCESS_ALT", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_MD2_PROCESS_ALT );
+        return( 0 );
+    }
+#endif /* MBEDTLS_MD2_PROCESS_ALT */
+
+#if defined(MBEDTLS_MD4_PROCESS_ALT)
+    if( strcmp( "MBEDTLS_MD4_PROCESS_ALT", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_MD4_PROCESS_ALT );
+        return( 0 );
+    }
+#endif /* MBEDTLS_MD4_PROCESS_ALT */
+
+#if defined(MBEDTLS_MD5_PROCESS_ALT)
+    if( strcmp( "MBEDTLS_MD5_PROCESS_ALT", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_MD5_PROCESS_ALT );
+        return( 0 );
+    }
+#endif /* MBEDTLS_MD5_PROCESS_ALT */
+
+#if defined(MBEDTLS_RIPEMD160_PROCESS_ALT)
+    if( strcmp( "MBEDTLS_RIPEMD160_PROCESS_ALT", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_RIPEMD160_PROCESS_ALT );
+        return( 0 );
+    }
+#endif /* MBEDTLS_RIPEMD160_PROCESS_ALT */
+
+#if defined(MBEDTLS_SHA1_PROCESS_ALT)
+    if( strcmp( "MBEDTLS_SHA1_PROCESS_ALT", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_SHA1_PROCESS_ALT );
+        return( 0 );
+    }
+#endif /* MBEDTLS_SHA1_PROCESS_ALT */
+
+#if defined(MBEDTLS_SHA256_PROCESS_ALT)
+    if( strcmp( "MBEDTLS_SHA256_PROCESS_ALT", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_SHA256_PROCESS_ALT );
+        return( 0 );
+    }
+#endif /* MBEDTLS_SHA256_PROCESS_ALT */
+
+#if defined(MBEDTLS_SHA512_PROCESS_ALT)
+    if( strcmp( "MBEDTLS_SHA512_PROCESS_ALT", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_SHA512_PROCESS_ALT );
+        return( 0 );
+    }
+#endif /* MBEDTLS_SHA512_PROCESS_ALT */
+
+#if defined(MBEDTLS_DES_SETKEY_ALT)
+    if( strcmp( "MBEDTLS_DES_SETKEY_ALT", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_DES_SETKEY_ALT );
+        return( 0 );
+    }
+#endif /* MBEDTLS_DES_SETKEY_ALT */
+
+#if defined(MBEDTLS_DES_CRYPT_ECB_ALT)
+    if( strcmp( "MBEDTLS_DES_CRYPT_ECB_ALT", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_DES_CRYPT_ECB_ALT );
+        return( 0 );
+    }
+#endif /* MBEDTLS_DES_CRYPT_ECB_ALT */
+
+#if defined(MBEDTLS_DES3_CRYPT_ECB_ALT)
+    if( strcmp( "MBEDTLS_DES3_CRYPT_ECB_ALT", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_DES3_CRYPT_ECB_ALT );
+        return( 0 );
+    }
+#endif /* MBEDTLS_DES3_CRYPT_ECB_ALT */
+
+#if defined(MBEDTLS_AES_SETKEY_ENC_ALT)
+    if( strcmp( "MBEDTLS_AES_SETKEY_ENC_ALT", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_AES_SETKEY_ENC_ALT );
+        return( 0 );
+    }
+#endif /* MBEDTLS_AES_SETKEY_ENC_ALT */
+
+#if defined(MBEDTLS_AES_SETKEY_DEC_ALT)
+    if( strcmp( "MBEDTLS_AES_SETKEY_DEC_ALT", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_AES_SETKEY_DEC_ALT );
+        return( 0 );
+    }
+#endif /* MBEDTLS_AES_SETKEY_DEC_ALT */
+
+#if defined(MBEDTLS_AES_ENCRYPT_ALT)
+    if( strcmp( "MBEDTLS_AES_ENCRYPT_ALT", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_AES_ENCRYPT_ALT );
+        return( 0 );
+    }
+#endif /* MBEDTLS_AES_ENCRYPT_ALT */
+
+#if defined(MBEDTLS_AES_DECRYPT_ALT)
+    if( strcmp( "MBEDTLS_AES_DECRYPT_ALT", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_AES_DECRYPT_ALT );
+        return( 0 );
+    }
+#endif /* MBEDTLS_AES_DECRYPT_ALT */
+
+#if defined(MBEDTLS_ECDH_GEN_PUBLIC_ALT)
+    if( strcmp( "MBEDTLS_ECDH_GEN_PUBLIC_ALT", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_ECDH_GEN_PUBLIC_ALT );
+        return( 0 );
+    }
+#endif /* MBEDTLS_ECDH_GEN_PUBLIC_ALT */
+
+#if defined(MBEDTLS_ECDH_COMPUTE_SHARED_ALT)
+    if( strcmp( "MBEDTLS_ECDH_COMPUTE_SHARED_ALT", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_ECDH_COMPUTE_SHARED_ALT );
+        return( 0 );
+    }
+#endif /* MBEDTLS_ECDH_COMPUTE_SHARED_ALT */
+
+#if defined(MBEDTLS_ECDSA_VERIFY_ALT)
+    if( strcmp( "MBEDTLS_ECDSA_VERIFY_ALT", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_ECDSA_VERIFY_ALT );
+        return( 0 );
+    }
+#endif /* MBEDTLS_ECDSA_VERIFY_ALT */
+
+#if defined(MBEDTLS_ECDSA_SIGN_ALT)
+    if( strcmp( "MBEDTLS_ECDSA_SIGN_ALT", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_ECDSA_SIGN_ALT );
+        return( 0 );
+    }
+#endif /* MBEDTLS_ECDSA_SIGN_ALT */
+
+#if defined(MBEDTLS_ECDSA_GENKEY_ALT)
+    if( strcmp( "MBEDTLS_ECDSA_GENKEY_ALT", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_ECDSA_GENKEY_ALT );
+        return( 0 );
+    }
+#endif /* MBEDTLS_ECDSA_GENKEY_ALT */
+
+#if defined(MBEDTLS_ECP_INTERNAL_ALT)
+    if( strcmp( "MBEDTLS_ECP_INTERNAL_ALT", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_ECP_INTERNAL_ALT );
+        return( 0 );
+    }
+#endif /* MBEDTLS_ECP_INTERNAL_ALT */
+
+#if defined(MBEDTLS_ECP_NO_FALLBACK)
+    if( strcmp( "MBEDTLS_ECP_NO_FALLBACK", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_ECP_NO_FALLBACK );
+        return( 0 );
+    }
+#endif /* MBEDTLS_ECP_NO_FALLBACK */
+
+#if defined(MBEDTLS_ECP_RANDOMIZE_JAC_ALT)
+    if( strcmp( "MBEDTLS_ECP_RANDOMIZE_JAC_ALT", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_ECP_RANDOMIZE_JAC_ALT );
+        return( 0 );
+    }
+#endif /* MBEDTLS_ECP_RANDOMIZE_JAC_ALT */
+
+#if defined(MBEDTLS_ECP_ADD_MIXED_ALT)
+    if( strcmp( "MBEDTLS_ECP_ADD_MIXED_ALT", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_ECP_ADD_MIXED_ALT );
+        return( 0 );
+    }
+#endif /* MBEDTLS_ECP_ADD_MIXED_ALT */
+
+#if defined(MBEDTLS_ECP_DOUBLE_JAC_ALT)
+    if( strcmp( "MBEDTLS_ECP_DOUBLE_JAC_ALT", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_ECP_DOUBLE_JAC_ALT );
+        return( 0 );
+    }
+#endif /* MBEDTLS_ECP_DOUBLE_JAC_ALT */
+
+#if defined(MBEDTLS_ECP_NORMALIZE_JAC_MANY_ALT)
+    if( strcmp( "MBEDTLS_ECP_NORMALIZE_JAC_MANY_ALT", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_ECP_NORMALIZE_JAC_MANY_ALT );
+        return( 0 );
+    }
+#endif /* MBEDTLS_ECP_NORMALIZE_JAC_MANY_ALT */
+
+#if defined(MBEDTLS_ECP_NORMALIZE_JAC_ALT)
+    if( strcmp( "MBEDTLS_ECP_NORMALIZE_JAC_ALT", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_ECP_NORMALIZE_JAC_ALT );
+        return( 0 );
+    }
+#endif /* MBEDTLS_ECP_NORMALIZE_JAC_ALT */
+
+#if defined(MBEDTLS_ECP_DOUBLE_ADD_MXZ_ALT)
+    if( strcmp( "MBEDTLS_ECP_DOUBLE_ADD_MXZ_ALT", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_ECP_DOUBLE_ADD_MXZ_ALT );
+        return( 0 );
+    }
+#endif /* MBEDTLS_ECP_DOUBLE_ADD_MXZ_ALT */
+
+#if defined(MBEDTLS_ECP_RANDOMIZE_MXZ_ALT)
+    if( strcmp( "MBEDTLS_ECP_RANDOMIZE_MXZ_ALT", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_ECP_RANDOMIZE_MXZ_ALT );
+        return( 0 );
+    }
+#endif /* MBEDTLS_ECP_RANDOMIZE_MXZ_ALT */
+
+#if defined(MBEDTLS_ECP_NORMALIZE_MXZ_ALT)
+    if( strcmp( "MBEDTLS_ECP_NORMALIZE_MXZ_ALT", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_ECP_NORMALIZE_MXZ_ALT );
+        return( 0 );
+    }
+#endif /* MBEDTLS_ECP_NORMALIZE_MXZ_ALT */
+
+#if defined(MBEDTLS_TEST_NULL_ENTROPY)
+    if( strcmp( "MBEDTLS_TEST_NULL_ENTROPY", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_TEST_NULL_ENTROPY );
+        return( 0 );
+    }
+#endif /* MBEDTLS_TEST_NULL_ENTROPY */
+
+#if defined(MBEDTLS_ENTROPY_HARDWARE_ALT)
+    if( strcmp( "MBEDTLS_ENTROPY_HARDWARE_ALT", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_ENTROPY_HARDWARE_ALT );
+        return( 0 );
+    }
+#endif /* MBEDTLS_ENTROPY_HARDWARE_ALT */
+
+#if defined(MBEDTLS_AES_ROM_TABLES)
+    if( strcmp( "MBEDTLS_AES_ROM_TABLES", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_AES_ROM_TABLES );
+        return( 0 );
+    }
+#endif /* MBEDTLS_AES_ROM_TABLES */
+
+#if defined(MBEDTLS_AES_FEWER_TABLES)
+    if( strcmp( "MBEDTLS_AES_FEWER_TABLES", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_AES_FEWER_TABLES );
+        return( 0 );
+    }
+#endif /* MBEDTLS_AES_FEWER_TABLES */
+
+#if defined(MBEDTLS_CAMELLIA_SMALL_MEMORY)
+    if( strcmp( "MBEDTLS_CAMELLIA_SMALL_MEMORY", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_CAMELLIA_SMALL_MEMORY );
+        return( 0 );
+    }
+#endif /* MBEDTLS_CAMELLIA_SMALL_MEMORY */
+
+#if defined(MBEDTLS_CIPHER_MODE_CBC)
+    if( strcmp( "MBEDTLS_CIPHER_MODE_CBC", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_CIPHER_MODE_CBC );
+        return( 0 );
+    }
+#endif /* MBEDTLS_CIPHER_MODE_CBC */
+
+#if defined(MBEDTLS_CIPHER_MODE_CFB)
+    if( strcmp( "MBEDTLS_CIPHER_MODE_CFB", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_CIPHER_MODE_CFB );
+        return( 0 );
+    }
+#endif /* MBEDTLS_CIPHER_MODE_CFB */
+
+#if defined(MBEDTLS_CIPHER_MODE_CTR)
+    if( strcmp( "MBEDTLS_CIPHER_MODE_CTR", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_CIPHER_MODE_CTR );
+        return( 0 );
+    }
+#endif /* MBEDTLS_CIPHER_MODE_CTR */
+
+#if defined(MBEDTLS_CIPHER_MODE_OFB)
+    if( strcmp( "MBEDTLS_CIPHER_MODE_OFB", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_CIPHER_MODE_OFB );
+        return( 0 );
+    }
+#endif /* MBEDTLS_CIPHER_MODE_OFB */
+
+#if defined(MBEDTLS_CIPHER_MODE_XTS)
+    if( strcmp( "MBEDTLS_CIPHER_MODE_XTS", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_CIPHER_MODE_XTS );
+        return( 0 );
+    }
+#endif /* MBEDTLS_CIPHER_MODE_XTS */
+
+#if defined(MBEDTLS_CIPHER_NULL_CIPHER)
+    if( strcmp( "MBEDTLS_CIPHER_NULL_CIPHER", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_CIPHER_NULL_CIPHER );
+        return( 0 );
+    }
+#endif /* MBEDTLS_CIPHER_NULL_CIPHER */
+
+#if defined(MBEDTLS_CIPHER_PADDING_PKCS7)
+    if( strcmp( "MBEDTLS_CIPHER_PADDING_PKCS7", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_CIPHER_PADDING_PKCS7 );
+        return( 0 );
+    }
+#endif /* MBEDTLS_CIPHER_PADDING_PKCS7 */
+
+#if defined(MBEDTLS_CIPHER_PADDING_ONE_AND_ZEROS)
+    if( strcmp( "MBEDTLS_CIPHER_PADDING_ONE_AND_ZEROS", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_CIPHER_PADDING_ONE_AND_ZEROS );
+        return( 0 );
+    }
+#endif /* MBEDTLS_CIPHER_PADDING_ONE_AND_ZEROS */
+
+#if defined(MBEDTLS_CIPHER_PADDING_ZEROS_AND_LEN)
+    if( strcmp( "MBEDTLS_CIPHER_PADDING_ZEROS_AND_LEN", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_CIPHER_PADDING_ZEROS_AND_LEN );
+        return( 0 );
+    }
+#endif /* MBEDTLS_CIPHER_PADDING_ZEROS_AND_LEN */
+
+#if defined(MBEDTLS_CIPHER_PADDING_ZEROS)
+    if( strcmp( "MBEDTLS_CIPHER_PADDING_ZEROS", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_CIPHER_PADDING_ZEROS );
+        return( 0 );
+    }
+#endif /* MBEDTLS_CIPHER_PADDING_ZEROS */
+
+#if defined(MBEDTLS_CTR_DRBG_USE_128_BIT_KEY)
+    if( strcmp( "MBEDTLS_CTR_DRBG_USE_128_BIT_KEY", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_CTR_DRBG_USE_128_BIT_KEY );
+        return( 0 );
+    }
+#endif /* MBEDTLS_CTR_DRBG_USE_128_BIT_KEY */
+
+#if defined(MBEDTLS_ENABLE_WEAK_CIPHERSUITES)
+    if( strcmp( "MBEDTLS_ENABLE_WEAK_CIPHERSUITES", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_ENABLE_WEAK_CIPHERSUITES );
+        return( 0 );
+    }
+#endif /* MBEDTLS_ENABLE_WEAK_CIPHERSUITES */
+
+#if defined(MBEDTLS_REMOVE_ARC4_CIPHERSUITES)
+    if( strcmp( "MBEDTLS_REMOVE_ARC4_CIPHERSUITES", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_REMOVE_ARC4_CIPHERSUITES );
+        return( 0 );
+    }
+#endif /* MBEDTLS_REMOVE_ARC4_CIPHERSUITES */
+
+#if defined(MBEDTLS_REMOVE_3DES_CIPHERSUITES)
+    if( strcmp( "MBEDTLS_REMOVE_3DES_CIPHERSUITES", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_REMOVE_3DES_CIPHERSUITES );
+        return( 0 );
+    }
+#endif /* MBEDTLS_REMOVE_3DES_CIPHERSUITES */
+
+#if defined(MBEDTLS_ECP_DP_SECP192R1_ENABLED)
+    if( strcmp( "MBEDTLS_ECP_DP_SECP192R1_ENABLED", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_ECP_DP_SECP192R1_ENABLED );
+        return( 0 );
+    }
+#endif /* MBEDTLS_ECP_DP_SECP192R1_ENABLED */
+
+#if defined(MBEDTLS_ECP_DP_SECP224R1_ENABLED)
+    if( strcmp( "MBEDTLS_ECP_DP_SECP224R1_ENABLED", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_ECP_DP_SECP224R1_ENABLED );
+        return( 0 );
+    }
+#endif /* MBEDTLS_ECP_DP_SECP224R1_ENABLED */
+
+#if defined(MBEDTLS_ECP_DP_SECP256R1_ENABLED)
+    if( strcmp( "MBEDTLS_ECP_DP_SECP256R1_ENABLED", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_ECP_DP_SECP256R1_ENABLED );
+        return( 0 );
+    }
+#endif /* MBEDTLS_ECP_DP_SECP256R1_ENABLED */
+
+#if defined(MBEDTLS_ECP_DP_SECP384R1_ENABLED)
+    if( strcmp( "MBEDTLS_ECP_DP_SECP384R1_ENABLED", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_ECP_DP_SECP384R1_ENABLED );
+        return( 0 );
+    }
+#endif /* MBEDTLS_ECP_DP_SECP384R1_ENABLED */
+
+#if defined(MBEDTLS_ECP_DP_SECP521R1_ENABLED)
+    if( strcmp( "MBEDTLS_ECP_DP_SECP521R1_ENABLED", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_ECP_DP_SECP521R1_ENABLED );
+        return( 0 );
+    }
+#endif /* MBEDTLS_ECP_DP_SECP521R1_ENABLED */
+
+#if defined(MBEDTLS_ECP_DP_SECP192K1_ENABLED)
+    if( strcmp( "MBEDTLS_ECP_DP_SECP192K1_ENABLED", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_ECP_DP_SECP192K1_ENABLED );
+        return( 0 );
+    }
+#endif /* MBEDTLS_ECP_DP_SECP192K1_ENABLED */
+
+#if defined(MBEDTLS_ECP_DP_SECP224K1_ENABLED)
+    if( strcmp( "MBEDTLS_ECP_DP_SECP224K1_ENABLED", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_ECP_DP_SECP224K1_ENABLED );
+        return( 0 );
+    }
+#endif /* MBEDTLS_ECP_DP_SECP224K1_ENABLED */
+
+#if defined(MBEDTLS_ECP_DP_SECP256K1_ENABLED)
+    if( strcmp( "MBEDTLS_ECP_DP_SECP256K1_ENABLED", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_ECP_DP_SECP256K1_ENABLED );
+        return( 0 );
+    }
+#endif /* MBEDTLS_ECP_DP_SECP256K1_ENABLED */
+
+#if defined(MBEDTLS_ECP_DP_BP256R1_ENABLED)
+    if( strcmp( "MBEDTLS_ECP_DP_BP256R1_ENABLED", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_ECP_DP_BP256R1_ENABLED );
+        return( 0 );
+    }
+#endif /* MBEDTLS_ECP_DP_BP256R1_ENABLED */
+
+#if defined(MBEDTLS_ECP_DP_BP384R1_ENABLED)
+    if( strcmp( "MBEDTLS_ECP_DP_BP384R1_ENABLED", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_ECP_DP_BP384R1_ENABLED );
+        return( 0 );
+    }
+#endif /* MBEDTLS_ECP_DP_BP384R1_ENABLED */
+
+#if defined(MBEDTLS_ECP_DP_BP512R1_ENABLED)
+    if( strcmp( "MBEDTLS_ECP_DP_BP512R1_ENABLED", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_ECP_DP_BP512R1_ENABLED );
+        return( 0 );
+    }
+#endif /* MBEDTLS_ECP_DP_BP512R1_ENABLED */
+
+#if defined(MBEDTLS_ECP_DP_CURVE25519_ENABLED)
+    if( strcmp( "MBEDTLS_ECP_DP_CURVE25519_ENABLED", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_ECP_DP_CURVE25519_ENABLED );
+        return( 0 );
+    }
+#endif /* MBEDTLS_ECP_DP_CURVE25519_ENABLED */
+
+#if defined(MBEDTLS_ECP_DP_CURVE448_ENABLED)
+    if( strcmp( "MBEDTLS_ECP_DP_CURVE448_ENABLED", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_ECP_DP_CURVE448_ENABLED );
+        return( 0 );
+    }
+#endif /* MBEDTLS_ECP_DP_CURVE448_ENABLED */
+
+#if defined(MBEDTLS_ECP_NIST_OPTIM)
+    if( strcmp( "MBEDTLS_ECP_NIST_OPTIM", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_ECP_NIST_OPTIM );
+        return( 0 );
+    }
+#endif /* MBEDTLS_ECP_NIST_OPTIM */
+
+#if defined(MBEDTLS_ECP_NO_INTERNAL_RNG)
+    if( strcmp( "MBEDTLS_ECP_NO_INTERNAL_RNG", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_ECP_NO_INTERNAL_RNG );
+        return( 0 );
+    }
+#endif /* MBEDTLS_ECP_NO_INTERNAL_RNG */
+
+#if defined(MBEDTLS_ECP_RESTARTABLE)
+    if( strcmp( "MBEDTLS_ECP_RESTARTABLE", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_ECP_RESTARTABLE );
+        return( 0 );
+    }
+#endif /* MBEDTLS_ECP_RESTARTABLE */
+
+#if defined(MBEDTLS_ECDH_LEGACY_CONTEXT)
+    if( strcmp( "MBEDTLS_ECDH_LEGACY_CONTEXT", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_ECDH_LEGACY_CONTEXT );
+        return( 0 );
+    }
+#endif /* MBEDTLS_ECDH_LEGACY_CONTEXT */
+
+#if defined(MBEDTLS_ECDSA_DETERMINISTIC)
+    if( strcmp( "MBEDTLS_ECDSA_DETERMINISTIC", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_ECDSA_DETERMINISTIC );
+        return( 0 );
+    }
+#endif /* MBEDTLS_ECDSA_DETERMINISTIC */
+
+#if defined(MBEDTLS_KEY_EXCHANGE_PSK_ENABLED)
+    if( strcmp( "MBEDTLS_KEY_EXCHANGE_PSK_ENABLED", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_KEY_EXCHANGE_PSK_ENABLED );
+        return( 0 );
+    }
+#endif /* MBEDTLS_KEY_EXCHANGE_PSK_ENABLED */
+
+#if defined(MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED)
+    if( strcmp( "MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED );
+        return( 0 );
+    }
+#endif /* MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED */
+
+#if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED)
+    if( strcmp( "MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED );
+        return( 0 );
+    }
+#endif /* MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED */
+
+#if defined(MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED)
+    if( strcmp( "MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED );
+        return( 0 );
+    }
+#endif /* MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED */
+
+#if defined(MBEDTLS_KEY_EXCHANGE_RSA_ENABLED)
+    if( strcmp( "MBEDTLS_KEY_EXCHANGE_RSA_ENABLED", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_KEY_EXCHANGE_RSA_ENABLED );
+        return( 0 );
+    }
+#endif /* MBEDTLS_KEY_EXCHANGE_RSA_ENABLED */
+
+#if defined(MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED)
+    if( strcmp( "MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED );
+        return( 0 );
+    }
+#endif /* MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED */
+
+#if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED)
+    if( strcmp( "MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED );
+        return( 0 );
+    }
+#endif /* MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED */
+
+#if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED)
+    if( strcmp( "MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED );
+        return( 0 );
+    }
+#endif /* MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED */
+
+#if defined(MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED)
+    if( strcmp( "MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED );
+        return( 0 );
+    }
+#endif /* MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED */
+
+#if defined(MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED)
+    if( strcmp( "MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED );
+        return( 0 );
+    }
+#endif /* MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED */
+
+#if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)
+    if( strcmp( "MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED );
+        return( 0 );
+    }
+#endif /* MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED */
+
+#if defined(MBEDTLS_PK_PARSE_EC_EXTENDED)
+    if( strcmp( "MBEDTLS_PK_PARSE_EC_EXTENDED", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_PK_PARSE_EC_EXTENDED );
+        return( 0 );
+    }
+#endif /* MBEDTLS_PK_PARSE_EC_EXTENDED */
+
+#if defined(MBEDTLS_ERROR_STRERROR_DUMMY)
+    if( strcmp( "MBEDTLS_ERROR_STRERROR_DUMMY", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_ERROR_STRERROR_DUMMY );
+        return( 0 );
+    }
+#endif /* MBEDTLS_ERROR_STRERROR_DUMMY */
+
+#if defined(MBEDTLS_GENPRIME)
+    if( strcmp( "MBEDTLS_GENPRIME", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_GENPRIME );
+        return( 0 );
+    }
+#endif /* MBEDTLS_GENPRIME */
+
+#if defined(MBEDTLS_FS_IO)
+    if( strcmp( "MBEDTLS_FS_IO", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_FS_IO );
+        return( 0 );
+    }
+#endif /* MBEDTLS_FS_IO */
+
+#if defined(MBEDTLS_NO_DEFAULT_ENTROPY_SOURCES)
+    if( strcmp( "MBEDTLS_NO_DEFAULT_ENTROPY_SOURCES", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_NO_DEFAULT_ENTROPY_SOURCES );
+        return( 0 );
+    }
+#endif /* MBEDTLS_NO_DEFAULT_ENTROPY_SOURCES */
+
+#if defined(MBEDTLS_NO_PLATFORM_ENTROPY)
+    if( strcmp( "MBEDTLS_NO_PLATFORM_ENTROPY", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_NO_PLATFORM_ENTROPY );
+        return( 0 );
+    }
+#endif /* MBEDTLS_NO_PLATFORM_ENTROPY */
+
+#if defined(MBEDTLS_ENTROPY_FORCE_SHA256)
+    if( strcmp( "MBEDTLS_ENTROPY_FORCE_SHA256", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_ENTROPY_FORCE_SHA256 );
+        return( 0 );
+    }
+#endif /* MBEDTLS_ENTROPY_FORCE_SHA256 */
+
+#if defined(MBEDTLS_ENTROPY_NV_SEED)
+    if( strcmp( "MBEDTLS_ENTROPY_NV_SEED", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_ENTROPY_NV_SEED );
+        return( 0 );
+    }
+#endif /* MBEDTLS_ENTROPY_NV_SEED */
+
+#if defined(MBEDTLS_PSA_CRYPTO_KEY_ID_ENCODES_OWNER)
+    if( strcmp( "MBEDTLS_PSA_CRYPTO_KEY_ID_ENCODES_OWNER", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_PSA_CRYPTO_KEY_ID_ENCODES_OWNER );
+        return( 0 );
+    }
+#endif /* MBEDTLS_PSA_CRYPTO_KEY_ID_ENCODES_OWNER */
+
+#if defined(MBEDTLS_MEMORY_DEBUG)
+    if( strcmp( "MBEDTLS_MEMORY_DEBUG", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_MEMORY_DEBUG );
+        return( 0 );
+    }
+#endif /* MBEDTLS_MEMORY_DEBUG */
+
+#if defined(MBEDTLS_MEMORY_BACKTRACE)
+    if( strcmp( "MBEDTLS_MEMORY_BACKTRACE", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_MEMORY_BACKTRACE );
+        return( 0 );
+    }
+#endif /* MBEDTLS_MEMORY_BACKTRACE */
+
+#if defined(MBEDTLS_PK_RSA_ALT_SUPPORT)
+    if( strcmp( "MBEDTLS_PK_RSA_ALT_SUPPORT", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_PK_RSA_ALT_SUPPORT );
+        return( 0 );
+    }
+#endif /* MBEDTLS_PK_RSA_ALT_SUPPORT */
+
+#if defined(MBEDTLS_PKCS1_V15)
+    if( strcmp( "MBEDTLS_PKCS1_V15", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_PKCS1_V15 );
+        return( 0 );
+    }
+#endif /* MBEDTLS_PKCS1_V15 */
+
+#if defined(MBEDTLS_PKCS1_V21)
+    if( strcmp( "MBEDTLS_PKCS1_V21", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_PKCS1_V21 );
+        return( 0 );
+    }
+#endif /* MBEDTLS_PKCS1_V21 */
+
+#if defined(MBEDTLS_PSA_CRYPTO_BUILTIN_KEYS)
+    if( strcmp( "MBEDTLS_PSA_CRYPTO_BUILTIN_KEYS", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_PSA_CRYPTO_BUILTIN_KEYS );
+        return( 0 );
+    }
+#endif /* MBEDTLS_PSA_CRYPTO_BUILTIN_KEYS */
+
+#if defined(MBEDTLS_PSA_CRYPTO_CLIENT)
+    if( strcmp( "MBEDTLS_PSA_CRYPTO_CLIENT", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_PSA_CRYPTO_CLIENT );
+        return( 0 );
+    }
+#endif /* MBEDTLS_PSA_CRYPTO_CLIENT */
+
+#if defined(MBEDTLS_PSA_CRYPTO_DRIVERS)
+    if( strcmp( "MBEDTLS_PSA_CRYPTO_DRIVERS", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_PSA_CRYPTO_DRIVERS );
+        return( 0 );
+    }
+#endif /* MBEDTLS_PSA_CRYPTO_DRIVERS */
+
+#if defined(MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG)
+    if( strcmp( "MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG );
+        return( 0 );
+    }
+#endif /* MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG */
+
+#if defined(MBEDTLS_PSA_CRYPTO_SPM)
+    if( strcmp( "MBEDTLS_PSA_CRYPTO_SPM", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_PSA_CRYPTO_SPM );
+        return( 0 );
+    }
+#endif /* MBEDTLS_PSA_CRYPTO_SPM */
+
+#if defined(MBEDTLS_PSA_INJECT_ENTROPY)
+    if( strcmp( "MBEDTLS_PSA_INJECT_ENTROPY", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_PSA_INJECT_ENTROPY );
+        return( 0 );
+    }
+#endif /* MBEDTLS_PSA_INJECT_ENTROPY */
+
+#if defined(MBEDTLS_RSA_NO_CRT)
+    if( strcmp( "MBEDTLS_RSA_NO_CRT", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_RSA_NO_CRT );
+        return( 0 );
+    }
+#endif /* MBEDTLS_RSA_NO_CRT */
+
+#if defined(MBEDTLS_SELF_TEST)
+    if( strcmp( "MBEDTLS_SELF_TEST", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_SELF_TEST );
+        return( 0 );
+    }
+#endif /* MBEDTLS_SELF_TEST */
+
+#if defined(MBEDTLS_SHA256_SMALLER)
+    if( strcmp( "MBEDTLS_SHA256_SMALLER", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_SHA256_SMALLER );
+        return( 0 );
+    }
+#endif /* MBEDTLS_SHA256_SMALLER */
+
+#if defined(MBEDTLS_SHA512_SMALLER)
+    if( strcmp( "MBEDTLS_SHA512_SMALLER", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_SHA512_SMALLER );
+        return( 0 );
+    }
+#endif /* MBEDTLS_SHA512_SMALLER */
+
+#if defined(MBEDTLS_SHA512_NO_SHA384)
+    if( strcmp( "MBEDTLS_SHA512_NO_SHA384", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_SHA512_NO_SHA384 );
+        return( 0 );
+    }
+#endif /* MBEDTLS_SHA512_NO_SHA384 */
+
+#if defined(MBEDTLS_SSL_ALL_ALERT_MESSAGES)
+    if( strcmp( "MBEDTLS_SSL_ALL_ALERT_MESSAGES", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_SSL_ALL_ALERT_MESSAGES );
+        return( 0 );
+    }
+#endif /* MBEDTLS_SSL_ALL_ALERT_MESSAGES */
+
+#if defined(MBEDTLS_SSL_RECORD_CHECKING)
+    if( strcmp( "MBEDTLS_SSL_RECORD_CHECKING", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_SSL_RECORD_CHECKING );
+        return( 0 );
+    }
+#endif /* MBEDTLS_SSL_RECORD_CHECKING */
+
+#if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
+    if( strcmp( "MBEDTLS_SSL_DTLS_CONNECTION_ID", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_SSL_DTLS_CONNECTION_ID );
+        return( 0 );
+    }
+#endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
+
+#if defined(MBEDTLS_SSL_ASYNC_PRIVATE)
+    if( strcmp( "MBEDTLS_SSL_ASYNC_PRIVATE", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_SSL_ASYNC_PRIVATE );
+        return( 0 );
+    }
+#endif /* MBEDTLS_SSL_ASYNC_PRIVATE */
+
+#if defined(MBEDTLS_SSL_CONTEXT_SERIALIZATION)
+    if( strcmp( "MBEDTLS_SSL_CONTEXT_SERIALIZATION", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_SSL_CONTEXT_SERIALIZATION );
+        return( 0 );
+    }
+#endif /* MBEDTLS_SSL_CONTEXT_SERIALIZATION */
+
+#if defined(MBEDTLS_SSL_DEBUG_ALL)
+    if( strcmp( "MBEDTLS_SSL_DEBUG_ALL", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_SSL_DEBUG_ALL );
+        return( 0 );
+    }
+#endif /* MBEDTLS_SSL_DEBUG_ALL */
+
+#if defined(MBEDTLS_SSL_ENCRYPT_THEN_MAC)
+    if( strcmp( "MBEDTLS_SSL_ENCRYPT_THEN_MAC", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_SSL_ENCRYPT_THEN_MAC );
+        return( 0 );
+    }
+#endif /* MBEDTLS_SSL_ENCRYPT_THEN_MAC */
+
+#if defined(MBEDTLS_SSL_EXTENDED_MASTER_SECRET)
+    if( strcmp( "MBEDTLS_SSL_EXTENDED_MASTER_SECRET", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_SSL_EXTENDED_MASTER_SECRET );
+        return( 0 );
+    }
+#endif /* MBEDTLS_SSL_EXTENDED_MASTER_SECRET */
+
+#if defined(MBEDTLS_SSL_FALLBACK_SCSV)
+    if( strcmp( "MBEDTLS_SSL_FALLBACK_SCSV", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_SSL_FALLBACK_SCSV );
+        return( 0 );
+    }
+#endif /* MBEDTLS_SSL_FALLBACK_SCSV */
+
+#if defined(MBEDTLS_SSL_KEEP_PEER_CERTIFICATE)
+    if( strcmp( "MBEDTLS_SSL_KEEP_PEER_CERTIFICATE", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_SSL_KEEP_PEER_CERTIFICATE );
+        return( 0 );
+    }
+#endif /* MBEDTLS_SSL_KEEP_PEER_CERTIFICATE */
+
+#if defined(MBEDTLS_SSL_HW_RECORD_ACCEL)
+    if( strcmp( "MBEDTLS_SSL_HW_RECORD_ACCEL", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_SSL_HW_RECORD_ACCEL );
+        return( 0 );
+    }
+#endif /* MBEDTLS_SSL_HW_RECORD_ACCEL */
+
+#if defined(MBEDTLS_SSL_CBC_RECORD_SPLITTING)
+    if( strcmp( "MBEDTLS_SSL_CBC_RECORD_SPLITTING", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_SSL_CBC_RECORD_SPLITTING );
+        return( 0 );
+    }
+#endif /* MBEDTLS_SSL_CBC_RECORD_SPLITTING */
+
+#if defined(MBEDTLS_SSL_RENEGOTIATION)
+    if( strcmp( "MBEDTLS_SSL_RENEGOTIATION", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_SSL_RENEGOTIATION );
+        return( 0 );
+    }
+#endif /* MBEDTLS_SSL_RENEGOTIATION */
+
+#if defined(MBEDTLS_SSL_SRV_SUPPORT_SSLV2_CLIENT_HELLO)
+    if( strcmp( "MBEDTLS_SSL_SRV_SUPPORT_SSLV2_CLIENT_HELLO", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_SSL_SRV_SUPPORT_SSLV2_CLIENT_HELLO );
+        return( 0 );
+    }
+#endif /* MBEDTLS_SSL_SRV_SUPPORT_SSLV2_CLIENT_HELLO */
+
+#if defined(MBEDTLS_SSL_SRV_RESPECT_CLIENT_PREFERENCE)
+    if( strcmp( "MBEDTLS_SSL_SRV_RESPECT_CLIENT_PREFERENCE", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_SSL_SRV_RESPECT_CLIENT_PREFERENCE );
+        return( 0 );
+    }
+#endif /* MBEDTLS_SSL_SRV_RESPECT_CLIENT_PREFERENCE */
+
+#if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH)
+    if( strcmp( "MBEDTLS_SSL_MAX_FRAGMENT_LENGTH", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_SSL_MAX_FRAGMENT_LENGTH );
+        return( 0 );
+    }
+#endif /* MBEDTLS_SSL_MAX_FRAGMENT_LENGTH */
+
+#if defined(MBEDTLS_SSL_PROTO_SSL3)
+    if( strcmp( "MBEDTLS_SSL_PROTO_SSL3", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_SSL_PROTO_SSL3 );
+        return( 0 );
+    }
+#endif /* MBEDTLS_SSL_PROTO_SSL3 */
+
+#if defined(MBEDTLS_SSL_PROTO_TLS1)
+    if( strcmp( "MBEDTLS_SSL_PROTO_TLS1", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_SSL_PROTO_TLS1 );
+        return( 0 );
+    }
+#endif /* MBEDTLS_SSL_PROTO_TLS1 */
+
+#if defined(MBEDTLS_SSL_PROTO_TLS1_1)
+    if( strcmp( "MBEDTLS_SSL_PROTO_TLS1_1", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_SSL_PROTO_TLS1_1 );
+        return( 0 );
+    }
+#endif /* MBEDTLS_SSL_PROTO_TLS1_1 */
+
+#if defined(MBEDTLS_SSL_PROTO_TLS1_2)
+    if( strcmp( "MBEDTLS_SSL_PROTO_TLS1_2", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_SSL_PROTO_TLS1_2 );
+        return( 0 );
+    }
+#endif /* MBEDTLS_SSL_PROTO_TLS1_2 */
+
+#if defined(MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL)
+    if( strcmp( "MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL );
+        return( 0 );
+    }
+#endif /* MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL */
+
+#if defined(MBEDTLS_SSL_PROTO_DTLS)
+    if( strcmp( "MBEDTLS_SSL_PROTO_DTLS", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_SSL_PROTO_DTLS );
+        return( 0 );
+    }
+#endif /* MBEDTLS_SSL_PROTO_DTLS */
+
+#if defined(MBEDTLS_SSL_ALPN)
+    if( strcmp( "MBEDTLS_SSL_ALPN", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_SSL_ALPN );
+        return( 0 );
+    }
+#endif /* MBEDTLS_SSL_ALPN */
+
+#if defined(MBEDTLS_SSL_DTLS_ANTI_REPLAY)
+    if( strcmp( "MBEDTLS_SSL_DTLS_ANTI_REPLAY", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_SSL_DTLS_ANTI_REPLAY );
+        return( 0 );
+    }
+#endif /* MBEDTLS_SSL_DTLS_ANTI_REPLAY */
+
+#if defined(MBEDTLS_SSL_DTLS_HELLO_VERIFY)
+    if( strcmp( "MBEDTLS_SSL_DTLS_HELLO_VERIFY", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_SSL_DTLS_HELLO_VERIFY );
+        return( 0 );
+    }
+#endif /* MBEDTLS_SSL_DTLS_HELLO_VERIFY */
+
+#if defined(MBEDTLS_SSL_DTLS_SRTP)
+    if( strcmp( "MBEDTLS_SSL_DTLS_SRTP", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_SSL_DTLS_SRTP );
+        return( 0 );
+    }
+#endif /* MBEDTLS_SSL_DTLS_SRTP */
+
+#if defined(MBEDTLS_SSL_DTLS_CLIENT_PORT_REUSE)
+    if( strcmp( "MBEDTLS_SSL_DTLS_CLIENT_PORT_REUSE", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_SSL_DTLS_CLIENT_PORT_REUSE );
+        return( 0 );
+    }
+#endif /* MBEDTLS_SSL_DTLS_CLIENT_PORT_REUSE */
+
+#if defined(MBEDTLS_SSL_DTLS_BADMAC_LIMIT)
+    if( strcmp( "MBEDTLS_SSL_DTLS_BADMAC_LIMIT", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_SSL_DTLS_BADMAC_LIMIT );
+        return( 0 );
+    }
+#endif /* MBEDTLS_SSL_DTLS_BADMAC_LIMIT */
+
+#if defined(MBEDTLS_SSL_SESSION_TICKETS)
+    if( strcmp( "MBEDTLS_SSL_SESSION_TICKETS", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_SSL_SESSION_TICKETS );
+        return( 0 );
+    }
+#endif /* MBEDTLS_SSL_SESSION_TICKETS */
+
+#if defined(MBEDTLS_SSL_EXPORT_KEYS)
+    if( strcmp( "MBEDTLS_SSL_EXPORT_KEYS", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_SSL_EXPORT_KEYS );
+        return( 0 );
+    }
+#endif /* MBEDTLS_SSL_EXPORT_KEYS */
+
+#if defined(MBEDTLS_SSL_SERVER_NAME_INDICATION)
+    if( strcmp( "MBEDTLS_SSL_SERVER_NAME_INDICATION", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_SSL_SERVER_NAME_INDICATION );
+        return( 0 );
+    }
+#endif /* MBEDTLS_SSL_SERVER_NAME_INDICATION */
+
+#if defined(MBEDTLS_SSL_TRUNCATED_HMAC)
+    if( strcmp( "MBEDTLS_SSL_TRUNCATED_HMAC", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_SSL_TRUNCATED_HMAC );
+        return( 0 );
+    }
+#endif /* MBEDTLS_SSL_TRUNCATED_HMAC */
+
+#if defined(MBEDTLS_SSL_TRUNCATED_HMAC_COMPAT)
+    if( strcmp( "MBEDTLS_SSL_TRUNCATED_HMAC_COMPAT", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_SSL_TRUNCATED_HMAC_COMPAT );
+        return( 0 );
+    }
+#endif /* MBEDTLS_SSL_TRUNCATED_HMAC_COMPAT */
+
+#if defined(MBEDTLS_SSL_VARIABLE_BUFFER_LENGTH)
+    if( strcmp( "MBEDTLS_SSL_VARIABLE_BUFFER_LENGTH", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_SSL_VARIABLE_BUFFER_LENGTH );
+        return( 0 );
+    }
+#endif /* MBEDTLS_SSL_VARIABLE_BUFFER_LENGTH */
+
+#if defined(MBEDTLS_TEST_CONSTANT_FLOW_MEMSAN)
+    if( strcmp( "MBEDTLS_TEST_CONSTANT_FLOW_MEMSAN", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_TEST_CONSTANT_FLOW_MEMSAN );
+        return( 0 );
+    }
+#endif /* MBEDTLS_TEST_CONSTANT_FLOW_MEMSAN */
+
+#if defined(MBEDTLS_TEST_CONSTANT_FLOW_VALGRIND)
+    if( strcmp( "MBEDTLS_TEST_CONSTANT_FLOW_VALGRIND", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_TEST_CONSTANT_FLOW_VALGRIND );
+        return( 0 );
+    }
+#endif /* MBEDTLS_TEST_CONSTANT_FLOW_VALGRIND */
+
+#if defined(MBEDTLS_TEST_HOOKS)
+    if( strcmp( "MBEDTLS_TEST_HOOKS", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_TEST_HOOKS );
+        return( 0 );
+    }
+#endif /* MBEDTLS_TEST_HOOKS */
+
+#if defined(MBEDTLS_THREADING_ALT)
+    if( strcmp( "MBEDTLS_THREADING_ALT", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_THREADING_ALT );
+        return( 0 );
+    }
+#endif /* MBEDTLS_THREADING_ALT */
+
+#if defined(MBEDTLS_THREADING_PTHREAD)
+    if( strcmp( "MBEDTLS_THREADING_PTHREAD", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_THREADING_PTHREAD );
+        return( 0 );
+    }
+#endif /* MBEDTLS_THREADING_PTHREAD */
+
+#if defined(MBEDTLS_USE_PSA_CRYPTO)
+    if( strcmp( "MBEDTLS_USE_PSA_CRYPTO", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_USE_PSA_CRYPTO );
+        return( 0 );
+    }
+#endif /* MBEDTLS_USE_PSA_CRYPTO */
+
+#if defined(MBEDTLS_PSA_CRYPTO_CONFIG)
+    if( strcmp( "MBEDTLS_PSA_CRYPTO_CONFIG", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_PSA_CRYPTO_CONFIG );
+        return( 0 );
+    }
+#endif /* MBEDTLS_PSA_CRYPTO_CONFIG */
+
+#if defined(MBEDTLS_VERSION_FEATURES)
+    if( strcmp( "MBEDTLS_VERSION_FEATURES", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_VERSION_FEATURES );
+        return( 0 );
+    }
+#endif /* MBEDTLS_VERSION_FEATURES */
+
+#if defined(MBEDTLS_X509_ALLOW_EXTENSIONS_NON_V3)
+    if( strcmp( "MBEDTLS_X509_ALLOW_EXTENSIONS_NON_V3", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_X509_ALLOW_EXTENSIONS_NON_V3 );
+        return( 0 );
+    }
+#endif /* MBEDTLS_X509_ALLOW_EXTENSIONS_NON_V3 */
+
+#if defined(MBEDTLS_X509_ALLOW_UNSUPPORTED_CRITICAL_EXTENSION)
+    if( strcmp( "MBEDTLS_X509_ALLOW_UNSUPPORTED_CRITICAL_EXTENSION", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_X509_ALLOW_UNSUPPORTED_CRITICAL_EXTENSION );
+        return( 0 );
+    }
+#endif /* MBEDTLS_X509_ALLOW_UNSUPPORTED_CRITICAL_EXTENSION */
+
+#if defined(MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK)
+    if( strcmp( "MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK );
+        return( 0 );
+    }
+#endif /* MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK */
+
+#if defined(MBEDTLS_X509_CHECK_KEY_USAGE)
+    if( strcmp( "MBEDTLS_X509_CHECK_KEY_USAGE", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_X509_CHECK_KEY_USAGE );
+        return( 0 );
+    }
+#endif /* MBEDTLS_X509_CHECK_KEY_USAGE */
+
+#if defined(MBEDTLS_X509_CHECK_EXTENDED_KEY_USAGE)
+    if( strcmp( "MBEDTLS_X509_CHECK_EXTENDED_KEY_USAGE", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_X509_CHECK_EXTENDED_KEY_USAGE );
+        return( 0 );
+    }
+#endif /* MBEDTLS_X509_CHECK_EXTENDED_KEY_USAGE */
+
+#if defined(MBEDTLS_X509_RSASSA_PSS_SUPPORT)
+    if( strcmp( "MBEDTLS_X509_RSASSA_PSS_SUPPORT", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_X509_RSASSA_PSS_SUPPORT );
+        return( 0 );
+    }
+#endif /* MBEDTLS_X509_RSASSA_PSS_SUPPORT */
+
+#if defined(MBEDTLS_ZLIB_SUPPORT)
+    if( strcmp( "MBEDTLS_ZLIB_SUPPORT", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_ZLIB_SUPPORT );
+        return( 0 );
+    }
+#endif /* MBEDTLS_ZLIB_SUPPORT */
+
+#if defined(MBEDTLS_AESNI_C)
+    if( strcmp( "MBEDTLS_AESNI_C", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_AESNI_C );
+        return( 0 );
+    }
+#endif /* MBEDTLS_AESNI_C */
+
+#if defined(MBEDTLS_AES_C)
+    if( strcmp( "MBEDTLS_AES_C", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_AES_C );
+        return( 0 );
+    }
+#endif /* MBEDTLS_AES_C */
+
+#if defined(MBEDTLS_ARC4_C)
+    if( strcmp( "MBEDTLS_ARC4_C", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_ARC4_C );
+        return( 0 );
+    }
+#endif /* MBEDTLS_ARC4_C */
+
+#if defined(MBEDTLS_ASN1_PARSE_C)
+    if( strcmp( "MBEDTLS_ASN1_PARSE_C", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_ASN1_PARSE_C );
+        return( 0 );
+    }
+#endif /* MBEDTLS_ASN1_PARSE_C */
+
+#if defined(MBEDTLS_ASN1_WRITE_C)
+    if( strcmp( "MBEDTLS_ASN1_WRITE_C", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_ASN1_WRITE_C );
+        return( 0 );
+    }
+#endif /* MBEDTLS_ASN1_WRITE_C */
+
+#if defined(MBEDTLS_BASE64_C)
+    if( strcmp( "MBEDTLS_BASE64_C", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_BASE64_C );
+        return( 0 );
+    }
+#endif /* MBEDTLS_BASE64_C */
+
+#if defined(MBEDTLS_BIGNUM_C)
+    if( strcmp( "MBEDTLS_BIGNUM_C", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_BIGNUM_C );
+        return( 0 );
+    }
+#endif /* MBEDTLS_BIGNUM_C */
+
+#if defined(MBEDTLS_BLOWFISH_C)
+    if( strcmp( "MBEDTLS_BLOWFISH_C", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_BLOWFISH_C );
+        return( 0 );
+    }
+#endif /* MBEDTLS_BLOWFISH_C */
+
+#if defined(MBEDTLS_CAMELLIA_C)
+    if( strcmp( "MBEDTLS_CAMELLIA_C", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_CAMELLIA_C );
+        return( 0 );
+    }
+#endif /* MBEDTLS_CAMELLIA_C */
+
+#if defined(MBEDTLS_ARIA_C)
+    if( strcmp( "MBEDTLS_ARIA_C", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_ARIA_C );
+        return( 0 );
+    }
+#endif /* MBEDTLS_ARIA_C */
+
+#if defined(MBEDTLS_CCM_C)
+    if( strcmp( "MBEDTLS_CCM_C", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_CCM_C );
+        return( 0 );
+    }
+#endif /* MBEDTLS_CCM_C */
+
+#if defined(MBEDTLS_CERTS_C)
+    if( strcmp( "MBEDTLS_CERTS_C", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_CERTS_C );
+        return( 0 );
+    }
+#endif /* MBEDTLS_CERTS_C */
+
+#if defined(MBEDTLS_CHACHA20_C)
+    if( strcmp( "MBEDTLS_CHACHA20_C", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_CHACHA20_C );
+        return( 0 );
+    }
+#endif /* MBEDTLS_CHACHA20_C */
+
+#if defined(MBEDTLS_CHACHAPOLY_C)
+    if( strcmp( "MBEDTLS_CHACHAPOLY_C", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_CHACHAPOLY_C );
+        return( 0 );
+    }
+#endif /* MBEDTLS_CHACHAPOLY_C */
+
+#if defined(MBEDTLS_CIPHER_C)
+    if( strcmp( "MBEDTLS_CIPHER_C", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_CIPHER_C );
+        return( 0 );
+    }
+#endif /* MBEDTLS_CIPHER_C */
+
+#if defined(MBEDTLS_CMAC_C)
+    if( strcmp( "MBEDTLS_CMAC_C", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_CMAC_C );
+        return( 0 );
+    }
+#endif /* MBEDTLS_CMAC_C */
+
+#if defined(MBEDTLS_CTR_DRBG_C)
+    if( strcmp( "MBEDTLS_CTR_DRBG_C", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_CTR_DRBG_C );
+        return( 0 );
+    }
+#endif /* MBEDTLS_CTR_DRBG_C */
+
+#if defined(MBEDTLS_DEBUG_C)
+    if( strcmp( "MBEDTLS_DEBUG_C", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_DEBUG_C );
+        return( 0 );
+    }
+#endif /* MBEDTLS_DEBUG_C */
+
+#if defined(MBEDTLS_DES_C)
+    if( strcmp( "MBEDTLS_DES_C", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_DES_C );
+        return( 0 );
+    }
+#endif /* MBEDTLS_DES_C */
+
+#if defined(MBEDTLS_DHM_C)
+    if( strcmp( "MBEDTLS_DHM_C", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_DHM_C );
+        return( 0 );
+    }
+#endif /* MBEDTLS_DHM_C */
+
+#if defined(MBEDTLS_ECDH_C)
+    if( strcmp( "MBEDTLS_ECDH_C", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_ECDH_C );
+        return( 0 );
+    }
+#endif /* MBEDTLS_ECDH_C */
+
+#if defined(MBEDTLS_ECDSA_C)
+    if( strcmp( "MBEDTLS_ECDSA_C", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_ECDSA_C );
+        return( 0 );
+    }
+#endif /* MBEDTLS_ECDSA_C */
+
+#if defined(MBEDTLS_ECJPAKE_C)
+    if( strcmp( "MBEDTLS_ECJPAKE_C", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_ECJPAKE_C );
+        return( 0 );
+    }
+#endif /* MBEDTLS_ECJPAKE_C */
+
+#if defined(MBEDTLS_ECP_C)
+    if( strcmp( "MBEDTLS_ECP_C", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_ECP_C );
+        return( 0 );
+    }
+#endif /* MBEDTLS_ECP_C */
+
+#if defined(MBEDTLS_ENTROPY_C)
+    if( strcmp( "MBEDTLS_ENTROPY_C", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_ENTROPY_C );
+        return( 0 );
+    }
+#endif /* MBEDTLS_ENTROPY_C */
+
+#if defined(MBEDTLS_ERROR_C)
+    if( strcmp( "MBEDTLS_ERROR_C", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_ERROR_C );
+        return( 0 );
+    }
+#endif /* MBEDTLS_ERROR_C */
+
+#if defined(MBEDTLS_GCM_C)
+    if( strcmp( "MBEDTLS_GCM_C", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_GCM_C );
+        return( 0 );
+    }
+#endif /* MBEDTLS_GCM_C */
+
+#if defined(MBEDTLS_HAVEGE_C)
+    if( strcmp( "MBEDTLS_HAVEGE_C", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_HAVEGE_C );
+        return( 0 );
+    }
+#endif /* MBEDTLS_HAVEGE_C */
+
+#if defined(MBEDTLS_HKDF_C)
+    if( strcmp( "MBEDTLS_HKDF_C", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_HKDF_C );
+        return( 0 );
+    }
+#endif /* MBEDTLS_HKDF_C */
+
+#if defined(MBEDTLS_HMAC_DRBG_C)
+    if( strcmp( "MBEDTLS_HMAC_DRBG_C", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_HMAC_DRBG_C );
+        return( 0 );
+    }
+#endif /* MBEDTLS_HMAC_DRBG_C */
+
+#if defined(MBEDTLS_NIST_KW_C)
+    if( strcmp( "MBEDTLS_NIST_KW_C", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_NIST_KW_C );
+        return( 0 );
+    }
+#endif /* MBEDTLS_NIST_KW_C */
+
+#if defined(MBEDTLS_MD_C)
+    if( strcmp( "MBEDTLS_MD_C", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_MD_C );
+        return( 0 );
+    }
+#endif /* MBEDTLS_MD_C */
+
+#if defined(MBEDTLS_MD2_C)
+    if( strcmp( "MBEDTLS_MD2_C", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_MD2_C );
+        return( 0 );
+    }
+#endif /* MBEDTLS_MD2_C */
+
+#if defined(MBEDTLS_MD4_C)
+    if( strcmp( "MBEDTLS_MD4_C", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_MD4_C );
+        return( 0 );
+    }
+#endif /* MBEDTLS_MD4_C */
+
+#if defined(MBEDTLS_MD5_C)
+    if( strcmp( "MBEDTLS_MD5_C", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_MD5_C );
+        return( 0 );
+    }
+#endif /* MBEDTLS_MD5_C */
+
+#if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
+    if( strcmp( "MBEDTLS_MEMORY_BUFFER_ALLOC_C", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_MEMORY_BUFFER_ALLOC_C );
+        return( 0 );
+    }
+#endif /* MBEDTLS_MEMORY_BUFFER_ALLOC_C */
+
+#if defined(MBEDTLS_NET_C)
+    if( strcmp( "MBEDTLS_NET_C", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_NET_C );
+        return( 0 );
+    }
+#endif /* MBEDTLS_NET_C */
+
+#if defined(MBEDTLS_OID_C)
+    if( strcmp( "MBEDTLS_OID_C", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_OID_C );
+        return( 0 );
+    }
+#endif /* MBEDTLS_OID_C */
+
+#if defined(MBEDTLS_PADLOCK_C)
+    if( strcmp( "MBEDTLS_PADLOCK_C", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_PADLOCK_C );
+        return( 0 );
+    }
+#endif /* MBEDTLS_PADLOCK_C */
+
+#if defined(MBEDTLS_PEM_PARSE_C)
+    if( strcmp( "MBEDTLS_PEM_PARSE_C", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_PEM_PARSE_C );
+        return( 0 );
+    }
+#endif /* MBEDTLS_PEM_PARSE_C */
+
+#if defined(MBEDTLS_PEM_WRITE_C)
+    if( strcmp( "MBEDTLS_PEM_WRITE_C", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_PEM_WRITE_C );
+        return( 0 );
+    }
+#endif /* MBEDTLS_PEM_WRITE_C */
+
+#if defined(MBEDTLS_PK_C)
+    if( strcmp( "MBEDTLS_PK_C", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_PK_C );
+        return( 0 );
+    }
+#endif /* MBEDTLS_PK_C */
+
+#if defined(MBEDTLS_PK_PARSE_C)
+    if( strcmp( "MBEDTLS_PK_PARSE_C", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_PK_PARSE_C );
+        return( 0 );
+    }
+#endif /* MBEDTLS_PK_PARSE_C */
+
+#if defined(MBEDTLS_PK_WRITE_C)
+    if( strcmp( "MBEDTLS_PK_WRITE_C", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_PK_WRITE_C );
+        return( 0 );
+    }
+#endif /* MBEDTLS_PK_WRITE_C */
+
+#if defined(MBEDTLS_PKCS5_C)
+    if( strcmp( "MBEDTLS_PKCS5_C", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_PKCS5_C );
+        return( 0 );
+    }
+#endif /* MBEDTLS_PKCS5_C */
+
+#if defined(MBEDTLS_PKCS11_C)
+    if( strcmp( "MBEDTLS_PKCS11_C", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_PKCS11_C );
+        return( 0 );
+    }
+#endif /* MBEDTLS_PKCS11_C */
+
+#if defined(MBEDTLS_PKCS12_C)
+    if( strcmp( "MBEDTLS_PKCS12_C", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_PKCS12_C );
+        return( 0 );
+    }
+#endif /* MBEDTLS_PKCS12_C */
+
+#if defined(MBEDTLS_PLATFORM_C)
+    if( strcmp( "MBEDTLS_PLATFORM_C", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_PLATFORM_C );
+        return( 0 );
+    }
+#endif /* MBEDTLS_PLATFORM_C */
+
+#if defined(MBEDTLS_POLY1305_C)
+    if( strcmp( "MBEDTLS_POLY1305_C", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_POLY1305_C );
+        return( 0 );
+    }
+#endif /* MBEDTLS_POLY1305_C */
+
+#if defined(MBEDTLS_PSA_CRYPTO_C)
+    if( strcmp( "MBEDTLS_PSA_CRYPTO_C", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_PSA_CRYPTO_C );
+        return( 0 );
+    }
+#endif /* MBEDTLS_PSA_CRYPTO_C */
+
+#if defined(MBEDTLS_PSA_CRYPTO_SE_C)
+    if( strcmp( "MBEDTLS_PSA_CRYPTO_SE_C", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_PSA_CRYPTO_SE_C );
+        return( 0 );
+    }
+#endif /* MBEDTLS_PSA_CRYPTO_SE_C */
+
+#if defined(MBEDTLS_PSA_CRYPTO_STORAGE_C)
+    if( strcmp( "MBEDTLS_PSA_CRYPTO_STORAGE_C", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_PSA_CRYPTO_STORAGE_C );
+        return( 0 );
+    }
+#endif /* MBEDTLS_PSA_CRYPTO_STORAGE_C */
+
+#if defined(MBEDTLS_PSA_ITS_FILE_C)
+    if( strcmp( "MBEDTLS_PSA_ITS_FILE_C", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_PSA_ITS_FILE_C );
+        return( 0 );
+    }
+#endif /* MBEDTLS_PSA_ITS_FILE_C */
+
+#if defined(MBEDTLS_RIPEMD160_C)
+    if( strcmp( "MBEDTLS_RIPEMD160_C", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_RIPEMD160_C );
+        return( 0 );
+    }
+#endif /* MBEDTLS_RIPEMD160_C */
+
+#if defined(MBEDTLS_RSA_C)
+    if( strcmp( "MBEDTLS_RSA_C", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_RSA_C );
+        return( 0 );
+    }
+#endif /* MBEDTLS_RSA_C */
+
+#if defined(MBEDTLS_SHA1_C)
+    if( strcmp( "MBEDTLS_SHA1_C", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_SHA1_C );
+        return( 0 );
+    }
+#endif /* MBEDTLS_SHA1_C */
+
+#if defined(MBEDTLS_SHA256_C)
+    if( strcmp( "MBEDTLS_SHA256_C", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_SHA256_C );
+        return( 0 );
+    }
+#endif /* MBEDTLS_SHA256_C */
+
+#if defined(MBEDTLS_SHA512_C)
+    if( strcmp( "MBEDTLS_SHA512_C", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_SHA512_C );
+        return( 0 );
+    }
+#endif /* MBEDTLS_SHA512_C */
+
+#if defined(MBEDTLS_SSL_CACHE_C)
+    if( strcmp( "MBEDTLS_SSL_CACHE_C", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_SSL_CACHE_C );
+        return( 0 );
+    }
+#endif /* MBEDTLS_SSL_CACHE_C */
+
+#if defined(MBEDTLS_SSL_COOKIE_C)
+    if( strcmp( "MBEDTLS_SSL_COOKIE_C", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_SSL_COOKIE_C );
+        return( 0 );
+    }
+#endif /* MBEDTLS_SSL_COOKIE_C */
+
+#if defined(MBEDTLS_SSL_TICKET_C)
+    if( strcmp( "MBEDTLS_SSL_TICKET_C", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_SSL_TICKET_C );
+        return( 0 );
+    }
+#endif /* MBEDTLS_SSL_TICKET_C */
+
+#if defined(MBEDTLS_SSL_CLI_C)
+    if( strcmp( "MBEDTLS_SSL_CLI_C", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_SSL_CLI_C );
+        return( 0 );
+    }
+#endif /* MBEDTLS_SSL_CLI_C */
+
+#if defined(MBEDTLS_SSL_SRV_C)
+    if( strcmp( "MBEDTLS_SSL_SRV_C", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_SSL_SRV_C );
+        return( 0 );
+    }
+#endif /* MBEDTLS_SSL_SRV_C */
+
+#if defined(MBEDTLS_SSL_TLS_C)
+    if( strcmp( "MBEDTLS_SSL_TLS_C", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_SSL_TLS_C );
+        return( 0 );
+    }
+#endif /* MBEDTLS_SSL_TLS_C */
+
+#if defined(MBEDTLS_THREADING_C)
+    if( strcmp( "MBEDTLS_THREADING_C", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_THREADING_C );
+        return( 0 );
+    }
+#endif /* MBEDTLS_THREADING_C */
+
+#if defined(MBEDTLS_TIMING_C)
+    if( strcmp( "MBEDTLS_TIMING_C", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_TIMING_C );
+        return( 0 );
+    }
+#endif /* MBEDTLS_TIMING_C */
+
+#if defined(MBEDTLS_VERSION_C)
+    if( strcmp( "MBEDTLS_VERSION_C", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_VERSION_C );
+        return( 0 );
+    }
+#endif /* MBEDTLS_VERSION_C */
+
+#if defined(MBEDTLS_X509_USE_C)
+    if( strcmp( "MBEDTLS_X509_USE_C", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_X509_USE_C );
+        return( 0 );
+    }
+#endif /* MBEDTLS_X509_USE_C */
+
+#if defined(MBEDTLS_X509_CRT_PARSE_C)
+    if( strcmp( "MBEDTLS_X509_CRT_PARSE_C", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_X509_CRT_PARSE_C );
+        return( 0 );
+    }
+#endif /* MBEDTLS_X509_CRT_PARSE_C */
+
+#if defined(MBEDTLS_X509_CRL_PARSE_C)
+    if( strcmp( "MBEDTLS_X509_CRL_PARSE_C", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_X509_CRL_PARSE_C );
+        return( 0 );
+    }
+#endif /* MBEDTLS_X509_CRL_PARSE_C */
+
+#if defined(MBEDTLS_X509_CSR_PARSE_C)
+    if( strcmp( "MBEDTLS_X509_CSR_PARSE_C", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_X509_CSR_PARSE_C );
+        return( 0 );
+    }
+#endif /* MBEDTLS_X509_CSR_PARSE_C */
+
+#if defined(MBEDTLS_X509_CREATE_C)
+    if( strcmp( "MBEDTLS_X509_CREATE_C", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_X509_CREATE_C );
+        return( 0 );
+    }
+#endif /* MBEDTLS_X509_CREATE_C */
+
+#if defined(MBEDTLS_X509_CRT_WRITE_C)
+    if( strcmp( "MBEDTLS_X509_CRT_WRITE_C", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_X509_CRT_WRITE_C );
+        return( 0 );
+    }
+#endif /* MBEDTLS_X509_CRT_WRITE_C */
+
+#if defined(MBEDTLS_X509_CSR_WRITE_C)
+    if( strcmp( "MBEDTLS_X509_CSR_WRITE_C", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_X509_CSR_WRITE_C );
+        return( 0 );
+    }
+#endif /* MBEDTLS_X509_CSR_WRITE_C */
+
+#if defined(MBEDTLS_XTEA_C)
+    if( strcmp( "MBEDTLS_XTEA_C", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_XTEA_C );
+        return( 0 );
+    }
+#endif /* MBEDTLS_XTEA_C */
+
+#if defined(MBEDTLS_MPI_WINDOW_SIZE)
+    if( strcmp( "MBEDTLS_MPI_WINDOW_SIZE", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_MPI_WINDOW_SIZE );
+        return( 0 );
+    }
+#endif /* MBEDTLS_MPI_WINDOW_SIZE */
+
+#if defined(MBEDTLS_MPI_MAX_SIZE)
+    if( strcmp( "MBEDTLS_MPI_MAX_SIZE", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_MPI_MAX_SIZE );
+        return( 0 );
+    }
+#endif /* MBEDTLS_MPI_MAX_SIZE */
+
+#if defined(MBEDTLS_CTR_DRBG_ENTROPY_LEN)
+    if( strcmp( "MBEDTLS_CTR_DRBG_ENTROPY_LEN", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_CTR_DRBG_ENTROPY_LEN );
+        return( 0 );
+    }
+#endif /* MBEDTLS_CTR_DRBG_ENTROPY_LEN */
+
+#if defined(MBEDTLS_CTR_DRBG_RESEED_INTERVAL)
+    if( strcmp( "MBEDTLS_CTR_DRBG_RESEED_INTERVAL", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_CTR_DRBG_RESEED_INTERVAL );
+        return( 0 );
+    }
+#endif /* MBEDTLS_CTR_DRBG_RESEED_INTERVAL */
+
+#if defined(MBEDTLS_CTR_DRBG_MAX_INPUT)
+    if( strcmp( "MBEDTLS_CTR_DRBG_MAX_INPUT", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_CTR_DRBG_MAX_INPUT );
+        return( 0 );
+    }
+#endif /* MBEDTLS_CTR_DRBG_MAX_INPUT */
+
+#if defined(MBEDTLS_CTR_DRBG_MAX_REQUEST)
+    if( strcmp( "MBEDTLS_CTR_DRBG_MAX_REQUEST", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_CTR_DRBG_MAX_REQUEST );
+        return( 0 );
+    }
+#endif /* MBEDTLS_CTR_DRBG_MAX_REQUEST */
+
+#if defined(MBEDTLS_CTR_DRBG_MAX_SEED_INPUT)
+    if( strcmp( "MBEDTLS_CTR_DRBG_MAX_SEED_INPUT", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_CTR_DRBG_MAX_SEED_INPUT );
+        return( 0 );
+    }
+#endif /* MBEDTLS_CTR_DRBG_MAX_SEED_INPUT */
+
+#if defined(MBEDTLS_HMAC_DRBG_RESEED_INTERVAL)
+    if( strcmp( "MBEDTLS_HMAC_DRBG_RESEED_INTERVAL", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_HMAC_DRBG_RESEED_INTERVAL );
+        return( 0 );
+    }
+#endif /* MBEDTLS_HMAC_DRBG_RESEED_INTERVAL */
+
+#if defined(MBEDTLS_HMAC_DRBG_MAX_INPUT)
+    if( strcmp( "MBEDTLS_HMAC_DRBG_MAX_INPUT", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_HMAC_DRBG_MAX_INPUT );
+        return( 0 );
+    }
+#endif /* MBEDTLS_HMAC_DRBG_MAX_INPUT */
+
+#if defined(MBEDTLS_HMAC_DRBG_MAX_REQUEST)
+    if( strcmp( "MBEDTLS_HMAC_DRBG_MAX_REQUEST", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_HMAC_DRBG_MAX_REQUEST );
+        return( 0 );
+    }
+#endif /* MBEDTLS_HMAC_DRBG_MAX_REQUEST */
+
+#if defined(MBEDTLS_HMAC_DRBG_MAX_SEED_INPUT)
+    if( strcmp( "MBEDTLS_HMAC_DRBG_MAX_SEED_INPUT", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_HMAC_DRBG_MAX_SEED_INPUT );
+        return( 0 );
+    }
+#endif /* MBEDTLS_HMAC_DRBG_MAX_SEED_INPUT */
+
+#if defined(MBEDTLS_ECP_MAX_BITS)
+    if( strcmp( "MBEDTLS_ECP_MAX_BITS", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_ECP_MAX_BITS );
+        return( 0 );
+    }
+#endif /* MBEDTLS_ECP_MAX_BITS */
+
+#if defined(MBEDTLS_ECP_WINDOW_SIZE)
+    if( strcmp( "MBEDTLS_ECP_WINDOW_SIZE", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_ECP_WINDOW_SIZE );
+        return( 0 );
+    }
+#endif /* MBEDTLS_ECP_WINDOW_SIZE */
+
+#if defined(MBEDTLS_ECP_FIXED_POINT_OPTIM)
+    if( strcmp( "MBEDTLS_ECP_FIXED_POINT_OPTIM", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_ECP_FIXED_POINT_OPTIM );
+        return( 0 );
+    }
+#endif /* MBEDTLS_ECP_FIXED_POINT_OPTIM */
+
+#if defined(MBEDTLS_ENTROPY_MAX_SOURCES)
+    if( strcmp( "MBEDTLS_ENTROPY_MAX_SOURCES", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_ENTROPY_MAX_SOURCES );
+        return( 0 );
+    }
+#endif /* MBEDTLS_ENTROPY_MAX_SOURCES */
+
+#if defined(MBEDTLS_ENTROPY_MAX_GATHER)
+    if( strcmp( "MBEDTLS_ENTROPY_MAX_GATHER", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_ENTROPY_MAX_GATHER );
+        return( 0 );
+    }
+#endif /* MBEDTLS_ENTROPY_MAX_GATHER */
+
+#if defined(MBEDTLS_ENTROPY_MIN_HARDWARE)
+    if( strcmp( "MBEDTLS_ENTROPY_MIN_HARDWARE", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_ENTROPY_MIN_HARDWARE );
+        return( 0 );
+    }
+#endif /* MBEDTLS_ENTROPY_MIN_HARDWARE */
+
+#if defined(MBEDTLS_MEMORY_ALIGN_MULTIPLE)
+    if( strcmp( "MBEDTLS_MEMORY_ALIGN_MULTIPLE", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_MEMORY_ALIGN_MULTIPLE );
+        return( 0 );
+    }
+#endif /* MBEDTLS_MEMORY_ALIGN_MULTIPLE */
+
+#if defined(MBEDTLS_PLATFORM_STD_MEM_HDR)
+    if( strcmp( "MBEDTLS_PLATFORM_STD_MEM_HDR", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_PLATFORM_STD_MEM_HDR );
+        return( 0 );
+    }
+#endif /* MBEDTLS_PLATFORM_STD_MEM_HDR */
+
+#if defined(MBEDTLS_PLATFORM_STD_CALLOC)
+    if( strcmp( "MBEDTLS_PLATFORM_STD_CALLOC", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_PLATFORM_STD_CALLOC );
+        return( 0 );
+    }
+#endif /* MBEDTLS_PLATFORM_STD_CALLOC */
+
+#if defined(MBEDTLS_PLATFORM_STD_FREE)
+    if( strcmp( "MBEDTLS_PLATFORM_STD_FREE", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_PLATFORM_STD_FREE );
+        return( 0 );
+    }
+#endif /* MBEDTLS_PLATFORM_STD_FREE */
+
+#if defined(MBEDTLS_PLATFORM_STD_EXIT)
+    if( strcmp( "MBEDTLS_PLATFORM_STD_EXIT", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_PLATFORM_STD_EXIT );
+        return( 0 );
+    }
+#endif /* MBEDTLS_PLATFORM_STD_EXIT */
+
+#if defined(MBEDTLS_PLATFORM_STD_TIME)
+    if( strcmp( "MBEDTLS_PLATFORM_STD_TIME", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_PLATFORM_STD_TIME );
+        return( 0 );
+    }
+#endif /* MBEDTLS_PLATFORM_STD_TIME */
+
+#if defined(MBEDTLS_PLATFORM_STD_FPRINTF)
+    if( strcmp( "MBEDTLS_PLATFORM_STD_FPRINTF", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_PLATFORM_STD_FPRINTF );
+        return( 0 );
+    }
+#endif /* MBEDTLS_PLATFORM_STD_FPRINTF */
+
+#if defined(MBEDTLS_PLATFORM_STD_PRINTF)
+    if( strcmp( "MBEDTLS_PLATFORM_STD_PRINTF", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_PLATFORM_STD_PRINTF );
+        return( 0 );
+    }
+#endif /* MBEDTLS_PLATFORM_STD_PRINTF */
+
+#if defined(MBEDTLS_PLATFORM_STD_SNPRINTF)
+    if( strcmp( "MBEDTLS_PLATFORM_STD_SNPRINTF", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_PLATFORM_STD_SNPRINTF );
+        return( 0 );
+    }
+#endif /* MBEDTLS_PLATFORM_STD_SNPRINTF */
+
+#if defined(MBEDTLS_PLATFORM_STD_EXIT_SUCCESS)
+    if( strcmp( "MBEDTLS_PLATFORM_STD_EXIT_SUCCESS", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_PLATFORM_STD_EXIT_SUCCESS );
+        return( 0 );
+    }
+#endif /* MBEDTLS_PLATFORM_STD_EXIT_SUCCESS */
+
+#if defined(MBEDTLS_PLATFORM_STD_EXIT_FAILURE)
+    if( strcmp( "MBEDTLS_PLATFORM_STD_EXIT_FAILURE", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_PLATFORM_STD_EXIT_FAILURE );
+        return( 0 );
+    }
+#endif /* MBEDTLS_PLATFORM_STD_EXIT_FAILURE */
+
+#if defined(MBEDTLS_PLATFORM_STD_NV_SEED_READ)
+    if( strcmp( "MBEDTLS_PLATFORM_STD_NV_SEED_READ", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_PLATFORM_STD_NV_SEED_READ );
+        return( 0 );
+    }
+#endif /* MBEDTLS_PLATFORM_STD_NV_SEED_READ */
+
+#if defined(MBEDTLS_PLATFORM_STD_NV_SEED_WRITE)
+    if( strcmp( "MBEDTLS_PLATFORM_STD_NV_SEED_WRITE", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_PLATFORM_STD_NV_SEED_WRITE );
+        return( 0 );
+    }
+#endif /* MBEDTLS_PLATFORM_STD_NV_SEED_WRITE */
+
+#if defined(MBEDTLS_PLATFORM_STD_NV_SEED_FILE)
+    if( strcmp( "MBEDTLS_PLATFORM_STD_NV_SEED_FILE", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_PLATFORM_STD_NV_SEED_FILE );
+        return( 0 );
+    }
+#endif /* MBEDTLS_PLATFORM_STD_NV_SEED_FILE */
+
+#if defined(MBEDTLS_PLATFORM_CALLOC_MACRO)
+    if( strcmp( "MBEDTLS_PLATFORM_CALLOC_MACRO", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_PLATFORM_CALLOC_MACRO );
+        return( 0 );
+    }
+#endif /* MBEDTLS_PLATFORM_CALLOC_MACRO */
+
+#if defined(MBEDTLS_PLATFORM_FREE_MACRO)
+    if( strcmp( "MBEDTLS_PLATFORM_FREE_MACRO", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_PLATFORM_FREE_MACRO );
+        return( 0 );
+    }
+#endif /* MBEDTLS_PLATFORM_FREE_MACRO */
+
+#if defined(MBEDTLS_PLATFORM_EXIT_MACRO)
+    if( strcmp( "MBEDTLS_PLATFORM_EXIT_MACRO", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_PLATFORM_EXIT_MACRO );
+        return( 0 );
+    }
+#endif /* MBEDTLS_PLATFORM_EXIT_MACRO */
+
+#if defined(MBEDTLS_PLATFORM_TIME_MACRO)
+    if( strcmp( "MBEDTLS_PLATFORM_TIME_MACRO", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_PLATFORM_TIME_MACRO );
+        return( 0 );
+    }
+#endif /* MBEDTLS_PLATFORM_TIME_MACRO */
+
+#if defined(MBEDTLS_PLATFORM_TIME_TYPE_MACRO)
+    if( strcmp( "MBEDTLS_PLATFORM_TIME_TYPE_MACRO", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_PLATFORM_TIME_TYPE_MACRO );
+        return( 0 );
+    }
+#endif /* MBEDTLS_PLATFORM_TIME_TYPE_MACRO */
+
+#if defined(MBEDTLS_PLATFORM_FPRINTF_MACRO)
+    if( strcmp( "MBEDTLS_PLATFORM_FPRINTF_MACRO", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_PLATFORM_FPRINTF_MACRO );
+        return( 0 );
+    }
+#endif /* MBEDTLS_PLATFORM_FPRINTF_MACRO */
+
+#if defined(MBEDTLS_PLATFORM_PRINTF_MACRO)
+    if( strcmp( "MBEDTLS_PLATFORM_PRINTF_MACRO", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_PLATFORM_PRINTF_MACRO );
+        return( 0 );
+    }
+#endif /* MBEDTLS_PLATFORM_PRINTF_MACRO */
+
+#if defined(MBEDTLS_PLATFORM_SNPRINTF_MACRO)
+    if( strcmp( "MBEDTLS_PLATFORM_SNPRINTF_MACRO", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_PLATFORM_SNPRINTF_MACRO );
+        return( 0 );
+    }
+#endif /* MBEDTLS_PLATFORM_SNPRINTF_MACRO */
+
+#if defined(MBEDTLS_PLATFORM_VSNPRINTF_MACRO)
+    if( strcmp( "MBEDTLS_PLATFORM_VSNPRINTF_MACRO", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_PLATFORM_VSNPRINTF_MACRO );
+        return( 0 );
+    }
+#endif /* MBEDTLS_PLATFORM_VSNPRINTF_MACRO */
+
+#if defined(MBEDTLS_PLATFORM_NV_SEED_READ_MACRO)
+    if( strcmp( "MBEDTLS_PLATFORM_NV_SEED_READ_MACRO", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_PLATFORM_NV_SEED_READ_MACRO );
+        return( 0 );
+    }
+#endif /* MBEDTLS_PLATFORM_NV_SEED_READ_MACRO */
+
+#if defined(MBEDTLS_PLATFORM_NV_SEED_WRITE_MACRO)
+    if( strcmp( "MBEDTLS_PLATFORM_NV_SEED_WRITE_MACRO", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_PLATFORM_NV_SEED_WRITE_MACRO );
+        return( 0 );
+    }
+#endif /* MBEDTLS_PLATFORM_NV_SEED_WRITE_MACRO */
+
+#if defined(MBEDTLS_PSA_HMAC_DRBG_MD_TYPE)
+    if( strcmp( "MBEDTLS_PSA_HMAC_DRBG_MD_TYPE", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_PSA_HMAC_DRBG_MD_TYPE );
+        return( 0 );
+    }
+#endif /* MBEDTLS_PSA_HMAC_DRBG_MD_TYPE */
+
+#if defined(MBEDTLS_PSA_KEY_SLOT_COUNT)
+    if( strcmp( "MBEDTLS_PSA_KEY_SLOT_COUNT", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_PSA_KEY_SLOT_COUNT );
+        return( 0 );
+    }
+#endif /* MBEDTLS_PSA_KEY_SLOT_COUNT */
+
+#if defined(MBEDTLS_SSL_CACHE_DEFAULT_TIMEOUT)
+    if( strcmp( "MBEDTLS_SSL_CACHE_DEFAULT_TIMEOUT", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_SSL_CACHE_DEFAULT_TIMEOUT );
+        return( 0 );
+    }
+#endif /* MBEDTLS_SSL_CACHE_DEFAULT_TIMEOUT */
+
+#if defined(MBEDTLS_SSL_CACHE_DEFAULT_MAX_ENTRIES)
+    if( strcmp( "MBEDTLS_SSL_CACHE_DEFAULT_MAX_ENTRIES", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_SSL_CACHE_DEFAULT_MAX_ENTRIES );
+        return( 0 );
+    }
+#endif /* MBEDTLS_SSL_CACHE_DEFAULT_MAX_ENTRIES */
+
+#if defined(MBEDTLS_SSL_MAX_CONTENT_LEN)
+    if( strcmp( "MBEDTLS_SSL_MAX_CONTENT_LEN", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_SSL_MAX_CONTENT_LEN );
+        return( 0 );
+    }
+#endif /* MBEDTLS_SSL_MAX_CONTENT_LEN */
+
+#if defined(MBEDTLS_SSL_IN_CONTENT_LEN)
+    if( strcmp( "MBEDTLS_SSL_IN_CONTENT_LEN", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_SSL_IN_CONTENT_LEN );
+        return( 0 );
+    }
+#endif /* MBEDTLS_SSL_IN_CONTENT_LEN */
+
+#if defined(MBEDTLS_SSL_CID_IN_LEN_MAX)
+    if( strcmp( "MBEDTLS_SSL_CID_IN_LEN_MAX", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_SSL_CID_IN_LEN_MAX );
+        return( 0 );
+    }
+#endif /* MBEDTLS_SSL_CID_IN_LEN_MAX */
+
+#if defined(MBEDTLS_SSL_CID_OUT_LEN_MAX)
+    if( strcmp( "MBEDTLS_SSL_CID_OUT_LEN_MAX", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_SSL_CID_OUT_LEN_MAX );
+        return( 0 );
+    }
+#endif /* MBEDTLS_SSL_CID_OUT_LEN_MAX */
+
+#if defined(MBEDTLS_SSL_CID_PADDING_GRANULARITY)
+    if( strcmp( "MBEDTLS_SSL_CID_PADDING_GRANULARITY", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_SSL_CID_PADDING_GRANULARITY );
+        return( 0 );
+    }
+#endif /* MBEDTLS_SSL_CID_PADDING_GRANULARITY */
+
+#if defined(MBEDTLS_SSL_TLS1_3_PADDING_GRANULARITY)
+    if( strcmp( "MBEDTLS_SSL_TLS1_3_PADDING_GRANULARITY", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_SSL_TLS1_3_PADDING_GRANULARITY );
+        return( 0 );
+    }
+#endif /* MBEDTLS_SSL_TLS1_3_PADDING_GRANULARITY */
+
+#if defined(MBEDTLS_SSL_OUT_CONTENT_LEN)
+    if( strcmp( "MBEDTLS_SSL_OUT_CONTENT_LEN", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_SSL_OUT_CONTENT_LEN );
+        return( 0 );
+    }
+#endif /* MBEDTLS_SSL_OUT_CONTENT_LEN */
+
+#if defined(MBEDTLS_SSL_DTLS_MAX_BUFFERING)
+    if( strcmp( "MBEDTLS_SSL_DTLS_MAX_BUFFERING", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_SSL_DTLS_MAX_BUFFERING );
+        return( 0 );
+    }
+#endif /* MBEDTLS_SSL_DTLS_MAX_BUFFERING */
+
+#if defined(MBEDTLS_SSL_DEFAULT_TICKET_LIFETIME)
+    if( strcmp( "MBEDTLS_SSL_DEFAULT_TICKET_LIFETIME", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_SSL_DEFAULT_TICKET_LIFETIME );
+        return( 0 );
+    }
+#endif /* MBEDTLS_SSL_DEFAULT_TICKET_LIFETIME */
+
+#if defined(MBEDTLS_PSK_MAX_LEN)
+    if( strcmp( "MBEDTLS_PSK_MAX_LEN", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_PSK_MAX_LEN );
+        return( 0 );
+    }
+#endif /* MBEDTLS_PSK_MAX_LEN */
+
+#if defined(MBEDTLS_SSL_COOKIE_TIMEOUT)
+    if( strcmp( "MBEDTLS_SSL_COOKIE_TIMEOUT", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_SSL_COOKIE_TIMEOUT );
+        return( 0 );
+    }
+#endif /* MBEDTLS_SSL_COOKIE_TIMEOUT */
+
+#if defined(MBEDTLS_X509_MAX_INTERMEDIATE_CA)
+    if( strcmp( "MBEDTLS_X509_MAX_INTERMEDIATE_CA", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_X509_MAX_INTERMEDIATE_CA );
+        return( 0 );
+    }
+#endif /* MBEDTLS_X509_MAX_INTERMEDIATE_CA */
+
+#if defined(MBEDTLS_X509_MAX_FILE_PATH_LEN)
+    if( strcmp( "MBEDTLS_X509_MAX_FILE_PATH_LEN", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_X509_MAX_FILE_PATH_LEN );
+        return( 0 );
+    }
+#endif /* MBEDTLS_X509_MAX_FILE_PATH_LEN */
+
+#if defined(MBEDTLS_TLS_DEFAULT_ALLOW_SHA1_IN_CERTIFICATES)
+    if( strcmp( "MBEDTLS_TLS_DEFAULT_ALLOW_SHA1_IN_CERTIFICATES", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_TLS_DEFAULT_ALLOW_SHA1_IN_CERTIFICATES );
+        return( 0 );
+    }
+#endif /* MBEDTLS_TLS_DEFAULT_ALLOW_SHA1_IN_CERTIFICATES */
+
+#if defined(MBEDTLS_TLS_DEFAULT_ALLOW_SHA1_IN_KEY_EXCHANGE)
+    if( strcmp( "MBEDTLS_TLS_DEFAULT_ALLOW_SHA1_IN_KEY_EXCHANGE", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_TLS_DEFAULT_ALLOW_SHA1_IN_KEY_EXCHANGE );
+        return( 0 );
+    }
+#endif /* MBEDTLS_TLS_DEFAULT_ALLOW_SHA1_IN_KEY_EXCHANGE */
+
+#if defined(MBEDTLS_PLATFORM_ZEROIZE_ALT)
+    if( strcmp( "MBEDTLS_PLATFORM_ZEROIZE_ALT", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_PLATFORM_ZEROIZE_ALT );
+        return( 0 );
+    }
+#endif /* MBEDTLS_PLATFORM_ZEROIZE_ALT */
+
+#if defined(MBEDTLS_PLATFORM_GMTIME_R_ALT)
+    if( strcmp( "MBEDTLS_PLATFORM_GMTIME_R_ALT", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_PLATFORM_GMTIME_R_ALT );
+        return( 0 );
+    }
+#endif /* MBEDTLS_PLATFORM_GMTIME_R_ALT */
+
+#if defined(MBEDTLS_ECDH_VARIANT_EVEREST_ENABLED)
+    if( strcmp( "MBEDTLS_ECDH_VARIANT_EVEREST_ENABLED", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_ECDH_VARIANT_EVEREST_ENABLED );
+        return( 0 );
+    }
+#endif /* MBEDTLS_ECDH_VARIANT_EVEREST_ENABLED */
+
+    /* If the symbol is not found, return an error */
+    return( 1 );
+}
+
+#if defined(_MSC_VER)
+#pragma warning(pop)
+#endif /* _MSC_VER */
diff --git a/lib/mbedtls-2.27.0/programs/test/query_config.h b/lib/mbedtls-2.27.0/programs/test/query_config.h
new file mode 100644
index 0000000..23009c4
--- /dev/null
+++ b/lib/mbedtls-2.27.0/programs/test/query_config.h
@@ -0,0 +1,42 @@
+/*
+ *  Query Mbed TLS compile time configurations from config.h
+ *
+ *  Copyright The Mbed TLS Contributors
+ *  SPDX-License-Identifier: Apache-2.0
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License"); you may
+ *  not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+#ifndef MBEDTLS_PROGRAMS_TEST_QUERY_CONFIG_H
+#define MBEDTLS_PROGRAMS_TEST_QUERY_CONFIG_H
+
+#if !defined(MBEDTLS_CONFIG_FILE)
+#include "mbedtls/config.h"
+#else
+#include MBEDTLS_CONFIG_FILE
+#endif
+
+/** Check whether a given configuration symbol is enabled.
+ *
+ * \param config    The symbol to query (e.g. "MBEDTLS_RSA_C").
+ * \return          \c 0 if the symbol was defined at compile time
+ *                  (in MBEDTLS_CONFIG_FILE or config.h),
+ *                  \c 1 otherwise.
+ *
+ * \note            This function is defined in `programs/test/query_config.c`
+ *                  which is automatically generated by
+ *                  `scripts/generate_query_config.pl`.
+ */
+int query_config( const char *config );
+
+#endif /* MBEDTLS_PROGRAMS_TEST_QUERY_CONFIG_H */
diff --git a/lib/mbedtls-2.27.0/programs/test/selftest.c b/lib/mbedtls-2.27.0/programs/test/selftest.c
new file mode 100644
index 0000000..41d7040
--- /dev/null
+++ b/lib/mbedtls-2.27.0/programs/test/selftest.c
@@ -0,0 +1,502 @@
+/*
+ *  Self-test demonstration program
+ *
+ *  Copyright The Mbed TLS Contributors
+ *  SPDX-License-Identifier: Apache-2.0
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License"); you may
+ *  not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+#if !defined(MBEDTLS_CONFIG_FILE)
+#include "mbedtls/config.h"
+#else
+#include MBEDTLS_CONFIG_FILE
+#endif
+
+#include "mbedtls/entropy.h"
+#include "mbedtls/entropy_poll.h"
+#include "mbedtls/hmac_drbg.h"
+#include "mbedtls/ctr_drbg.h"
+#include "mbedtls/dhm.h"
+#include "mbedtls/gcm.h"
+#include "mbedtls/ccm.h"
+#include "mbedtls/cmac.h"
+#include "mbedtls/md2.h"
+#include "mbedtls/md4.h"
+#include "mbedtls/md5.h"
+#include "mbedtls/ripemd160.h"
+#include "mbedtls/sha1.h"
+#include "mbedtls/sha256.h"
+#include "mbedtls/sha512.h"
+#include "mbedtls/arc4.h"
+#include "mbedtls/des.h"
+#include "mbedtls/aes.h"
+#include "mbedtls/camellia.h"
+#include "mbedtls/aria.h"
+#include "mbedtls/chacha20.h"
+#include "mbedtls/poly1305.h"
+#include "mbedtls/chachapoly.h"
+#include "mbedtls/base64.h"
+#include "mbedtls/bignum.h"
+#include "mbedtls/rsa.h"
+#include "mbedtls/x509.h"
+#include "mbedtls/xtea.h"
+#include "mbedtls/pkcs5.h"
+#include "mbedtls/ecp.h"
+#include "mbedtls/ecjpake.h"
+#include "mbedtls/timing.h"
+#include "mbedtls/nist_kw.h"
+
+#include <string.h>
+
+#if defined(MBEDTLS_PLATFORM_C)
+#include "mbedtls/platform.h"
+#else
+#include <stdio.h>
+#include <stdlib.h>
+#define mbedtls_calloc     calloc
+#define mbedtls_free       free
+#define mbedtls_printf     printf
+#define mbedtls_snprintf   snprintf
+#define mbedtls_exit       exit
+#define MBEDTLS_EXIT_SUCCESS EXIT_SUCCESS
+#define MBEDTLS_EXIT_FAILURE EXIT_FAILURE
+#endif
+
+#if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
+#include "mbedtls/memory_buffer_alloc.h"
+#endif
+
+
+#if defined MBEDTLS_SELF_TEST
+/* Sanity check for malloc. This is not expected to fail, and is rather
+ * intended to display potentially useful information about the platform,
+ * in particular the behavior of malloc(0). */
+static int calloc_self_test( int verbose )
+{
+    int failures = 0;
+    void *empty1 = mbedtls_calloc( 0, 1 );
+    void *empty2 = mbedtls_calloc( 0, 1 );
+    void *buffer1 = mbedtls_calloc( 1, 1 );
+    void *buffer2 = mbedtls_calloc( 1, 1 );
+    uintptr_t old_buffer1;
+
+    if( empty1 == NULL && empty2 == NULL )
+    {
+        if( verbose )
+            mbedtls_printf( "  CALLOC(0): passed (NULL)\n" );
+    }
+    else if( empty1 == NULL || empty2 == NULL )
+    {
+        if( verbose )
+            mbedtls_printf( "  CALLOC(0): failed (mix of NULL and non-NULL)\n" );
+        ++failures;
+    }
+    else if( empty1 == empty2 )
+    {
+        if( verbose )
+            mbedtls_printf( "  CALLOC(0): passed (same non-null)\n" );
+    }
+    else
+    {
+        if( verbose )
+            mbedtls_printf( "  CALLOC(0): passed (distinct non-null)\n" );
+    }
+
+    if( buffer1 == NULL || buffer2 == NULL )
+    {
+        if( verbose )
+            mbedtls_printf( "  CALLOC(1): failed (NULL)\n" );
+        ++failures;
+    }
+    else if( buffer1 == buffer2 )
+    {
+        if( verbose )
+            mbedtls_printf( "  CALLOC(1): failed (same buffer twice)\n" );
+        ++failures;
+    }
+    else
+    {
+        if( verbose )
+            mbedtls_printf( "  CALLOC(1): passed\n" );
+    }
+
+    old_buffer1 = (uintptr_t) buffer1;
+    mbedtls_free( buffer1 );
+    buffer1 = mbedtls_calloc( 1, 1 );
+    if( buffer1 == NULL )
+    {
+        if( verbose )
+            mbedtls_printf( "  CALLOC(1 again): failed (NULL)\n" );
+        ++failures;
+    }
+    else
+    {
+        if( verbose )
+            mbedtls_printf( "  CALLOC(1 again): passed (%s address)\n",
+                            (uintptr_t) old_buffer1 == (uintptr_t) buffer1 ?
+                            "same" : "different" );
+    }
+
+    if( verbose )
+        mbedtls_printf( "\n" );
+    mbedtls_free( empty1 );
+    mbedtls_free( empty2 );
+    mbedtls_free( buffer1 );
+    mbedtls_free( buffer2 );
+    return( failures );
+}
+#endif /* MBEDTLS_SELF_TEST */
+
+static int test_snprintf( size_t n, const char *ref_buf, int ref_ret )
+{
+    int ret;
+    char buf[10] = "xxxxxxxxx";
+    const char ref[10] = "xxxxxxxxx";
+
+    ret = mbedtls_snprintf( buf, n, "%s", "123" );
+    if( ret < 0 || (size_t) ret >= n )
+        ret = -1;
+
+    if( strncmp( ref_buf, buf, sizeof( buf ) ) != 0 ||
+        ref_ret != ret ||
+        memcmp( buf + n, ref + n, sizeof( buf ) - n ) != 0 )
+    {
+        return( 1 );
+    }
+
+    return( 0 );
+}
+
+static int run_test_snprintf( void )
+{
+    return( test_snprintf( 0, "xxxxxxxxx",  -1 ) != 0 ||
+            test_snprintf( 1, "",           -1 ) != 0 ||
+            test_snprintf( 2, "1",          -1 ) != 0 ||
+            test_snprintf( 3, "12",         -1 ) != 0 ||
+            test_snprintf( 4, "123",         3 ) != 0 ||
+            test_snprintf( 5, "123",         3 ) != 0 );
+}
+
+/*
+ * Check if a seed file is present, and if not create one for the entropy
+ * self-test. If this fails, we attempt the test anyway, so no error is passed
+ * back.
+ */
+#if defined(MBEDTLS_SELF_TEST) && defined(MBEDTLS_ENTROPY_C)
+#if defined(MBEDTLS_ENTROPY_NV_SEED) && !defined(MBEDTLS_NO_PLATFORM_ENTROPY)
+static void create_entropy_seed_file( void )
+{
+    int result;
+    size_t output_len = 0;
+    unsigned char seed_value[MBEDTLS_ENTROPY_BLOCK_SIZE];
+
+    /* Attempt to read the entropy seed file. If this fails - attempt to write
+     * to the file to ensure one is present. */
+    result = mbedtls_platform_std_nv_seed_read( seed_value,
+                                                    MBEDTLS_ENTROPY_BLOCK_SIZE );
+    if( 0 == result )
+        return;
+
+    result = mbedtls_platform_entropy_poll( NULL,
+                                            seed_value,
+                                            MBEDTLS_ENTROPY_BLOCK_SIZE,
+                                            &output_len );
+    if( 0 != result )
+        return;
+
+    if( MBEDTLS_ENTROPY_BLOCK_SIZE != output_len )
+        return;
+
+    mbedtls_platform_std_nv_seed_write( seed_value, MBEDTLS_ENTROPY_BLOCK_SIZE );
+}
+#endif
+
+int mbedtls_entropy_self_test_wrapper( int verbose )
+{
+#if defined(MBEDTLS_ENTROPY_NV_SEED) && !defined(MBEDTLS_NO_PLATFORM_ENTROPY)
+    create_entropy_seed_file( );
+#endif
+    return( mbedtls_entropy_self_test( verbose ) );
+}
+#endif
+
+#if defined(MBEDTLS_SELF_TEST)
+#if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
+int mbedtls_memory_buffer_alloc_free_and_self_test( int verbose )
+{
+    if( verbose != 0 )
+    {
+#if defined(MBEDTLS_MEMORY_DEBUG)
+        mbedtls_memory_buffer_alloc_status( );
+#endif
+    }
+    mbedtls_memory_buffer_alloc_free( );
+    return( mbedtls_memory_buffer_alloc_self_test( verbose ) );
+}
+#endif
+
+typedef struct
+{
+    const char *name;
+    int ( *function )( int );
+} selftest_t;
+
+const selftest_t selftests[] =
+{
+    {"calloc", calloc_self_test},
+#if defined(MBEDTLS_MD2_C)
+    {"md2", mbedtls_md2_self_test},
+#endif
+#if defined(MBEDTLS_MD4_C)
+    {"md4", mbedtls_md4_self_test},
+#endif
+#if defined(MBEDTLS_MD5_C)
+    {"md5", mbedtls_md5_self_test},
+#endif
+#if defined(MBEDTLS_RIPEMD160_C)
+    {"ripemd160", mbedtls_ripemd160_self_test},
+#endif
+#if defined(MBEDTLS_SHA1_C)
+    {"sha1", mbedtls_sha1_self_test},
+#endif
+#if defined(MBEDTLS_SHA256_C)
+    {"sha256", mbedtls_sha256_self_test},
+#endif
+#if defined(MBEDTLS_SHA512_C)
+    {"sha512", mbedtls_sha512_self_test},
+#endif
+#if defined(MBEDTLS_ARC4_C)
+    {"arc4", mbedtls_arc4_self_test},
+#endif
+#if defined(MBEDTLS_DES_C)
+    {"des", mbedtls_des_self_test},
+#endif
+#if defined(MBEDTLS_AES_C)
+    {"aes", mbedtls_aes_self_test},
+#endif
+#if defined(MBEDTLS_GCM_C) && defined(MBEDTLS_AES_C)
+    {"gcm", mbedtls_gcm_self_test},
+#endif
+#if defined(MBEDTLS_CCM_C) && defined(MBEDTLS_AES_C)
+    {"ccm", mbedtls_ccm_self_test},
+#endif
+#if defined(MBEDTLS_NIST_KW_C) && defined(MBEDTLS_AES_C)
+    {"nist_kw", mbedtls_nist_kw_self_test},
+#endif
+#if defined(MBEDTLS_CMAC_C)
+    {"cmac", mbedtls_cmac_self_test},
+#endif
+#if defined(MBEDTLS_CHACHA20_C)
+    {"chacha20", mbedtls_chacha20_self_test},
+#endif
+#if defined(MBEDTLS_POLY1305_C)
+    {"poly1305", mbedtls_poly1305_self_test},
+#endif
+#if defined(MBEDTLS_CHACHAPOLY_C)
+    {"chacha20-poly1305", mbedtls_chachapoly_self_test},
+#endif
+#if defined(MBEDTLS_BASE64_C)
+    {"base64", mbedtls_base64_self_test},
+#endif
+#if defined(MBEDTLS_BIGNUM_C)
+    {"mpi", mbedtls_mpi_self_test},
+#endif
+#if defined(MBEDTLS_RSA_C)
+    {"rsa", mbedtls_rsa_self_test},
+#endif
+#if defined(MBEDTLS_X509_USE_C)
+    {"x509", mbedtls_x509_self_test},
+#endif
+#if defined(MBEDTLS_XTEA_C)
+    {"xtea", mbedtls_xtea_self_test},
+#endif
+#if defined(MBEDTLS_CAMELLIA_C)
+    {"camellia", mbedtls_camellia_self_test},
+#endif
+#if defined(MBEDTLS_ARIA_C)
+    {"aria", mbedtls_aria_self_test},
+#endif
+#if defined(MBEDTLS_CTR_DRBG_C)
+    {"ctr_drbg", mbedtls_ctr_drbg_self_test},
+#endif
+#if defined(MBEDTLS_HMAC_DRBG_C)
+    {"hmac_drbg", mbedtls_hmac_drbg_self_test},
+#endif
+#if defined(MBEDTLS_ECP_C)
+    {"ecp", mbedtls_ecp_self_test},
+#endif
+#if defined(MBEDTLS_ECJPAKE_C)
+    {"ecjpake", mbedtls_ecjpake_self_test},
+#endif
+#if defined(MBEDTLS_DHM_C)
+    {"dhm", mbedtls_dhm_self_test},
+#endif
+#if defined(MBEDTLS_ENTROPY_C)
+    {"entropy", mbedtls_entropy_self_test_wrapper},
+#endif
+#if defined(MBEDTLS_PKCS5_C)
+    {"pkcs5", mbedtls_pkcs5_self_test},
+#endif
+/* Slower test after the faster ones */
+#if defined(MBEDTLS_TIMING_C)
+    {"timing", mbedtls_timing_self_test},
+#endif
+/* Heap test comes last */
+#if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
+    {"memory_buffer_alloc", mbedtls_memory_buffer_alloc_free_and_self_test},
+#endif
+    {NULL, NULL}
+};
+#endif /* MBEDTLS_SELF_TEST */
+
+int main( int argc, char *argv[] )
+{
+#if defined(MBEDTLS_SELF_TEST)
+    const selftest_t *test;
+#endif /* MBEDTLS_SELF_TEST */
+    char **argp;
+    int v = 1; /* v=1 for verbose mode */
+    int exclude_mode = 0;
+    int suites_tested = 0, suites_failed = 0;
+#if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C) && defined(MBEDTLS_SELF_TEST)
+    unsigned char buf[1000000];
+#endif
+    void *pointer;
+
+    /*
+     * The C standard doesn't guarantee that all-bits-0 is the representation
+     * of a NULL pointer. We do however use that in our code for initializing
+     * structures, which should work on every modern platform. Let's be sure.
+     */
+    memset( &pointer, 0, sizeof( void * ) );
+    if( pointer != NULL )
+    {
+        mbedtls_printf( "all-bits-zero is not a NULL pointer\n" );
+        mbedtls_exit( MBEDTLS_EXIT_FAILURE );
+    }
+
+    /*
+     * Make sure we have a snprintf that correctly zero-terminates
+     */
+    if( run_test_snprintf() != 0 )
+    {
+        mbedtls_printf( "the snprintf implementation is broken\n" );
+        mbedtls_exit( MBEDTLS_EXIT_FAILURE );
+    }
+
+    for( argp = argv + ( argc >= 1 ? 1 : argc ); *argp != NULL; ++argp )
+    {
+        if( strcmp( *argp, "--quiet" ) == 0 ||
+            strcmp( *argp, "-q" ) == 0 )
+        {
+            v = 0;
+        }
+        else if( strcmp( *argp, "--exclude" ) == 0 ||
+                 strcmp( *argp, "-x" ) == 0 )
+        {
+            exclude_mode = 1;
+        }
+        else
+            break;
+    }
+
+    if( v != 0 )
+        mbedtls_printf( "\n" );
+
+#if defined(MBEDTLS_SELF_TEST)
+
+#if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
+    mbedtls_memory_buffer_alloc_init( buf, sizeof(buf) );
+#endif
+
+    if( *argp != NULL && exclude_mode == 0 )
+    {
+        /* Run the specified tests */
+        for( ; *argp != NULL; argp++ )
+        {
+            for( test = selftests; test->name != NULL; test++ )
+            {
+                if( !strcmp( *argp, test->name ) )
+                {
+                    if( test->function( v )  != 0 )
+                    {
+                        suites_failed++;
+                    }
+                    suites_tested++;
+                    break;
+                }
+            }
+            if( test->name == NULL )
+            {
+                mbedtls_printf( "  Test suite %s not available -> failed\n\n", *argp );
+                suites_failed++;
+            }
+        }
+    }
+    else
+    {
+        /* Run all the tests except excluded ones */
+        for( test = selftests; test->name != NULL; test++ )
+        {
+            if( exclude_mode )
+            {
+                char **excluded;
+                for( excluded = argp; *excluded != NULL; ++excluded )
+                {
+                    if( !strcmp( *excluded, test->name ) )
+                        break;
+                }
+                if( *excluded )
+                {
+                    if( v )
+                        mbedtls_printf( "  Skip: %s\n", test->name );
+                    continue;
+                }
+            }
+            if( test->function( v )  != 0 )
+            {
+                suites_failed++;
+            }
+            suites_tested++;
+        }
+    }
+
+#else
+    (void) exclude_mode;
+    mbedtls_printf( " MBEDTLS_SELF_TEST not defined.\n" );
+#endif
+
+    if( v != 0 )
+    {
+        mbedtls_printf( "  Executed %d test suites\n\n", suites_tested );
+
+        if( suites_failed > 0)
+        {
+            mbedtls_printf( "  [ %d tests FAIL ]\n\n", suites_failed );
+        }
+        else
+        {
+            mbedtls_printf( "  [ All tests PASS ]\n\n" );
+        }
+#if defined(_WIN32)
+        mbedtls_printf( "  Press Enter to exit this program.\n" );
+        fflush( stdout ); getchar();
+#endif
+    }
+
+    if( suites_failed > 0)
+        mbedtls_exit( MBEDTLS_EXIT_FAILURE );
+
+    mbedtls_exit( MBEDTLS_EXIT_SUCCESS );
+}
diff --git a/lib/mbedtls-2.27.0/programs/test/udp_proxy.c b/lib/mbedtls-2.27.0/programs/test/udp_proxy.c
new file mode 100644
index 0000000..afe0118
--- /dev/null
+++ b/lib/mbedtls-2.27.0/programs/test/udp_proxy.c
@@ -0,0 +1,1024 @@
+/*
+ *  UDP proxy: emulate an unreliable UDP connexion for DTLS testing
+ *
+ *  Copyright The Mbed TLS Contributors
+ *  SPDX-License-Identifier: Apache-2.0
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License"); you may
+ *  not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+/*
+ * Warning: this is an internal utility program we use for tests.
+ * It does break some abstractions from the NET layer, and is thus NOT an
+ * example of good general usage.
+ */
+
+#if !defined(MBEDTLS_CONFIG_FILE)
+#include "mbedtls/config.h"
+#else
+#include MBEDTLS_CONFIG_FILE
+#endif
+
+#if defined(MBEDTLS_PLATFORM_C)
+#include "mbedtls/platform.h"
+#else
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+#define mbedtls_time            time
+#define mbedtls_time_t          time_t
+#define mbedtls_printf          printf
+#define mbedtls_calloc          calloc
+#define mbedtls_free            free
+#define mbedtls_exit            exit
+#define MBEDTLS_EXIT_SUCCESS    EXIT_SUCCESS
+#define MBEDTLS_EXIT_FAILURE    EXIT_FAILURE
+#endif /* MBEDTLS_PLATFORM_C */
+
+#if !defined(MBEDTLS_NET_C)
+int main( void )
+{
+    mbedtls_printf( "MBEDTLS_NET_C not defined.\n" );
+    mbedtls_exit( 0 );
+}
+#else
+
+#include "mbedtls/net_sockets.h"
+#include "mbedtls/error.h"
+#include "mbedtls/ssl.h"
+#include "mbedtls/timing.h"
+
+#include <string.h>
+
+/* For select() */
+#if (defined(_WIN32) || defined(_WIN32_WCE)) && !defined(EFIX64) && \
+    !defined(EFI32)
+#include <winsock2.h>
+#include <windows.h>
+#if defined(_MSC_VER)
+#if defined(_WIN32_WCE)
+#pragma comment( lib, "ws2.lib" )
+#else
+#pragma comment( lib, "ws2_32.lib" )
+#endif
+#endif /* _MSC_VER */
+#else /* ( _WIN32 || _WIN32_WCE ) && !EFIX64 && !EFI32 */
+#include <sys/time.h>
+#include <sys/types.h>
+#include <unistd.h>
+#endif /* ( _WIN32 || _WIN32_WCE ) && !EFIX64 && !EFI32 */
+
+#define MAX_MSG_SIZE            16384 + 2048 /* max record/datagram size */
+
+#define DFL_SERVER_ADDR         "localhost"
+#define DFL_SERVER_PORT         "4433"
+#define DFL_LISTEN_ADDR         "localhost"
+#define DFL_LISTEN_PORT         "5556"
+#define DFL_PACK                0
+
+#if defined(MBEDTLS_TIMING_C)
+#define USAGE_PACK                                                          \
+    "    pack=%%d             default: 0     (don't pack)\n"                \
+    "                         options: t > 0 (pack for t milliseconds)\n"
+#else
+#define USAGE_PACK
+#endif
+
+#define USAGE                                                               \
+    "\n usage: udp_proxy param=<>...\n"                                     \
+    "\n acceptable parameters:\n"                                           \
+    "    server_addr=%%s      default: localhost\n"                         \
+    "    server_port=%%d      default: 4433\n"                              \
+    "    listen_addr=%%s      default: localhost\n"                         \
+    "    listen_port=%%d      default: 4433\n"                              \
+    "\n"                                                                    \
+    "    duplicate=%%d        default: 0 (no duplication)\n"                \
+    "                        duplicate about 1:N packets randomly\n"        \
+    "    delay=%%d            default: 0 (no delayed packets)\n"            \
+    "                        delay about 1:N packets randomly\n"            \
+    "    delay_ccs=0/1       default: 0 (don't delay ChangeCipherSpec)\n"   \
+    "    delay_cli=%%s        Handshake message from client that should be\n"\
+    "                        delayed. Possible values are 'ClientHello',\n" \
+    "                        'Certificate', 'CertificateVerify', and\n"     \
+    "                        'ClientKeyExchange'.\n"                        \
+    "                        May be used multiple times, even for the same\n"\
+    "                        message, in which case the respective message\n"\
+    "                        gets delayed multiple times.\n"                 \
+    "    delay_srv=%%s        Handshake message from server that should be\n"\
+    "                        delayed. Possible values are 'HelloRequest',\n"\
+    "                        'ServerHello', 'ServerHelloDone', 'Certificate'\n"\
+    "                        'ServerKeyExchange', 'NewSessionTicket',\n"\
+    "                        'HelloVerifyRequest' and ''CertificateRequest'.\n"\
+    "                        May be used multiple times, even for the same\n"\
+    "                        message, in which case the respective message\n"\
+    "                        gets delayed multiple times.\n"                 \
+    "    drop=%%d             default: 0 (no dropped packets)\n"            \
+    "                        drop about 1:N packets randomly\n"             \
+    "    mtu=%%d              default: 0 (unlimited)\n"                     \
+    "                        drop packets larger than N bytes\n"            \
+    "    bad_ad=0/1          default: 0 (don't add bad ApplicationData)\n"  \
+    "    bad_cid=%%d          default: 0 (don't corrupt Connection IDs)\n"   \
+    "                        duplicate 1:N packets containing a CID,\n" \
+    "                        modifying CID in first instance of the packet.\n" \
+    "    protect_hvr=0/1     default: 0 (don't protect HelloVerifyRequest)\n" \
+    "    protect_len=%%d      default: (don't protect packets of this size)\n" \
+    "    inject_clihlo=0/1   default: 0 (don't inject fake ClientHello)\n"  \
+    "\n"                                                                    \
+    "    seed=%%d             default: (use current time)\n"                \
+    USAGE_PACK                                                              \
+    "\n"
+
+/*
+ * global options
+ */
+
+#define MAX_DELAYED_HS 10
+
+static struct options
+{
+    const char *server_addr;    /* address to forward packets to            */
+    const char *server_port;    /* port to forward packets to               */
+    const char *listen_addr;    /* address for accepting client connections */
+    const char *listen_port;    /* port for accepting client connections    */
+
+    int duplicate;              /* duplicate 1 in N packets (none if 0)     */
+    int delay;                  /* delay 1 packet in N (none if 0)          */
+    int delay_ccs;              /* delay ChangeCipherSpec                   */
+    char* delay_cli[MAX_DELAYED_HS];  /* handshake types of messages from
+                                       * client that should be delayed.     */
+    uint8_t delay_cli_cnt;      /* Number of entries in delay_cli.          */
+    char* delay_srv[MAX_DELAYED_HS];  /* handshake types of messages from
+                                       * server that should be delayed.     */
+    uint8_t delay_srv_cnt;      /* Number of entries in delay_srv.          */
+    int drop;                   /* drop 1 packet in N (none if 0)           */
+    int mtu;                    /* drop packets larger than this            */
+    int bad_ad;                 /* inject corrupted ApplicationData record  */
+    unsigned bad_cid;           /* inject corrupted CID record              */
+    int protect_hvr;            /* never drop or delay HelloVerifyRequest   */
+    int protect_len;            /* never drop/delay packet of the given size*/
+    int inject_clihlo;          /* inject fake ClientHello after handshake  */
+    unsigned pack;              /* merge packets into single datagram for
+                                 * at most \c merge milliseconds if > 0     */
+    unsigned int seed;          /* seed for "random" events                 */
+} opt;
+
+static void exit_usage( const char *name, const char *value )
+{
+    if( value == NULL )
+        mbedtls_printf( " unknown option or missing value: %s\n", name );
+    else
+        mbedtls_printf( " option %s: illegal value: %s\n", name, value );
+
+    mbedtls_printf( USAGE );
+    mbedtls_exit( 1 );
+}
+
+static void get_options( int argc, char *argv[] )
+{
+    int i;
+    char *p, *q;
+
+    opt.server_addr    = DFL_SERVER_ADDR;
+    opt.server_port    = DFL_SERVER_PORT;
+    opt.listen_addr    = DFL_LISTEN_ADDR;
+    opt.listen_port    = DFL_LISTEN_PORT;
+    opt.pack           = DFL_PACK;
+    /* Other members default to 0 */
+
+    opt.delay_cli_cnt = 0;
+    opt.delay_srv_cnt = 0;
+    memset( opt.delay_cli, 0, sizeof( opt.delay_cli ) );
+    memset( opt.delay_srv, 0, sizeof( opt.delay_srv ) );
+
+    for( i = 1; i < argc; i++ )
+    {
+        p = argv[i];
+        if( ( q = strchr( p, '=' ) ) == NULL )
+            exit_usage( p, NULL );
+        *q++ = '\0';
+
+        if( strcmp( p, "server_addr" ) == 0 )
+            opt.server_addr = q;
+        else if( strcmp( p, "server_port" ) == 0 )
+            opt.server_port = q;
+        else if( strcmp( p, "listen_addr" ) == 0 )
+            opt.listen_addr = q;
+        else if( strcmp( p, "listen_port" ) == 0 )
+            opt.listen_port = q;
+        else if( strcmp( p, "duplicate" ) == 0 )
+        {
+            opt.duplicate = atoi( q );
+            if( opt.duplicate < 0 || opt.duplicate > 20 )
+                exit_usage( p, q );
+        }
+        else if( strcmp( p, "delay" ) == 0 )
+        {
+            opt.delay = atoi( q );
+            if( opt.delay < 0 || opt.delay > 20 || opt.delay == 1 )
+                exit_usage( p, q );
+        }
+        else if( strcmp( p, "delay_ccs" ) == 0 )
+        {
+            opt.delay_ccs = atoi( q );
+            if( opt.delay_ccs < 0 || opt.delay_ccs > 1 )
+                exit_usage( p, q );
+        }
+        else if( strcmp( p, "delay_cli" ) == 0 ||
+                 strcmp( p, "delay_srv" ) == 0 )
+        {
+            uint8_t *delay_cnt;
+            char **delay_list;
+            size_t len;
+            char *buf;
+
+            if( strcmp( p, "delay_cli" ) == 0 )
+            {
+                delay_cnt  = &opt.delay_cli_cnt;
+                delay_list = opt.delay_cli;
+            }
+            else
+            {
+                delay_cnt  = &opt.delay_srv_cnt;
+                delay_list = opt.delay_srv;
+            }
+
+            if( *delay_cnt == MAX_DELAYED_HS )
+            {
+                mbedtls_printf( " too many uses of %s: only %d allowed\n",
+                                p, MAX_DELAYED_HS );
+                exit_usage( p, NULL );
+            }
+
+            len = strlen( q );
+            buf = mbedtls_calloc( 1, len + 1 );
+            if( buf == NULL )
+            {
+                mbedtls_printf( " Allocation failure\n" );
+                exit( 1 );
+            }
+            memcpy( buf, q, len + 1 );
+
+            delay_list[ (*delay_cnt)++ ] = buf;
+        }
+        else if( strcmp( p, "drop" ) == 0 )
+        {
+            opt.drop = atoi( q );
+            if( opt.drop < 0 || opt.drop > 20 || opt.drop == 1 )
+                exit_usage( p, q );
+        }
+        else if( strcmp( p, "pack" ) == 0 )
+        {
+#if defined(MBEDTLS_TIMING_C)
+            opt.pack = (unsigned) atoi( q );
+#else
+            mbedtls_printf( " option pack only defined if MBEDTLS_TIMING_C is enabled\n" );
+            exit( 1 );
+#endif
+        }
+        else if( strcmp( p, "mtu" ) == 0 )
+        {
+            opt.mtu = atoi( q );
+            if( opt.mtu < 0 || opt.mtu > MAX_MSG_SIZE )
+                exit_usage( p, q );
+        }
+        else if( strcmp( p, "bad_ad" ) == 0 )
+        {
+            opt.bad_ad = atoi( q );
+            if( opt.bad_ad < 0 || opt.bad_ad > 1 )
+                exit_usage( p, q );
+        }
+#if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
+        else if( strcmp( p, "bad_cid" ) == 0 )
+        {
+            opt.bad_cid = (unsigned) atoi( q );
+        }
+#endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
+        else if( strcmp( p, "protect_hvr" ) == 0 )
+        {
+            opt.protect_hvr = atoi( q );
+            if( opt.protect_hvr < 0 || opt.protect_hvr > 1 )
+                exit_usage( p, q );
+        }
+        else if( strcmp( p, "protect_len" ) == 0 )
+        {
+            opt.protect_len = atoi( q );
+            if( opt.protect_len < 0 )
+                exit_usage( p, q );
+        }
+        else if( strcmp( p, "inject_clihlo" ) == 0 )
+        {
+            opt.inject_clihlo = atoi( q );
+            if( opt.inject_clihlo < 0 || opt.inject_clihlo > 1 )
+                exit_usage( p, q );
+        }
+        else if( strcmp( p, "seed" ) == 0 )
+        {
+            opt.seed = atoi( q );
+            if( opt.seed == 0 )
+                exit_usage( p, q );
+        }
+        else
+            exit_usage( p, NULL );
+    }
+}
+
+static const char *msg_type( unsigned char *msg, size_t len )
+{
+    if( len < 1 )                           return( "Invalid" );
+    switch( msg[0] )
+    {
+        case MBEDTLS_SSL_MSG_CHANGE_CIPHER_SPEC:    return( "ChangeCipherSpec" );
+        case MBEDTLS_SSL_MSG_ALERT:                 return( "Alert" );
+        case MBEDTLS_SSL_MSG_APPLICATION_DATA:      return( "ApplicationData" );
+        case MBEDTLS_SSL_MSG_CID:                   return( "CID" );
+        case MBEDTLS_SSL_MSG_HANDSHAKE:             break; /* See below */
+        default:                            return( "Unknown" );
+    }
+
+    if( len < 13 + 12 )                     return( "Invalid handshake" );
+
+    /*
+     * Our handshake message are less than 2^16 bytes long, so they should
+     * have 0 as the first byte of length, frag_offset and frag_length.
+     * Otherwise, assume they are encrypted.
+     */
+    if( msg[14] || msg[19] || msg[22] )     return( "Encrypted handshake" );
+
+    switch( msg[13] )
+    {
+        case MBEDTLS_SSL_HS_HELLO_REQUEST:          return( "HelloRequest" );
+        case MBEDTLS_SSL_HS_CLIENT_HELLO:           return( "ClientHello" );
+        case MBEDTLS_SSL_HS_SERVER_HELLO:           return( "ServerHello" );
+        case MBEDTLS_SSL_HS_HELLO_VERIFY_REQUEST:   return( "HelloVerifyRequest" );
+        case MBEDTLS_SSL_HS_NEW_SESSION_TICKET:     return( "NewSessionTicket" );
+        case MBEDTLS_SSL_HS_CERTIFICATE:            return( "Certificate" );
+        case MBEDTLS_SSL_HS_SERVER_KEY_EXCHANGE:    return( "ServerKeyExchange" );
+        case MBEDTLS_SSL_HS_CERTIFICATE_REQUEST:    return( "CertificateRequest" );
+        case MBEDTLS_SSL_HS_SERVER_HELLO_DONE:      return( "ServerHelloDone" );
+        case MBEDTLS_SSL_HS_CERTIFICATE_VERIFY:     return( "CertificateVerify" );
+        case MBEDTLS_SSL_HS_CLIENT_KEY_EXCHANGE:    return( "ClientKeyExchange" );
+        case MBEDTLS_SSL_HS_FINISHED:               return( "Finished" );
+        default:                            return( "Unknown handshake" );
+    }
+}
+
+#if defined(MBEDTLS_TIMING_C)
+/* Return elapsed time in milliseconds since the first call */
+static unsigned ellapsed_time( void )
+{
+    static int initialized = 0;
+    static struct mbedtls_timing_hr_time hires;
+
+    if( initialized == 0 )
+    {
+        (void) mbedtls_timing_get_timer( &hires, 1 );
+        initialized = 1;
+        return( 0 );
+    }
+
+    return( mbedtls_timing_get_timer( &hires, 0 ) );
+}
+
+typedef struct
+{
+    mbedtls_net_context *ctx;
+
+    const char *description;
+
+    unsigned packet_lifetime;
+    unsigned num_datagrams;
+
+    unsigned char data[MAX_MSG_SIZE];
+    size_t len;
+
+} ctx_buffer;
+
+static ctx_buffer outbuf[2];
+
+static int ctx_buffer_flush( ctx_buffer *buf )
+{
+    int ret;
+
+    mbedtls_printf( "  %05u flush    %s: %u bytes, %u datagrams, last %u ms\n",
+                    ellapsed_time(), buf->description,
+                    (unsigned) buf->len, buf->num_datagrams,
+                    ellapsed_time() - buf->packet_lifetime );
+
+    ret = mbedtls_net_send( buf->ctx, buf->data, buf->len );
+
+    buf->len           = 0;
+    buf->num_datagrams = 0;
+
+    return( ret );
+}
+
+static unsigned ctx_buffer_time_remaining( ctx_buffer *buf )
+{
+    unsigned const cur_time = ellapsed_time();
+
+    if( buf->num_datagrams == 0 )
+        return( (unsigned) -1 );
+
+    if( cur_time - buf->packet_lifetime >= opt.pack )
+        return( 0 );
+
+    return( opt.pack - ( cur_time - buf->packet_lifetime ) );
+}
+
+static int ctx_buffer_append( ctx_buffer *buf,
+                              const unsigned char * data,
+                              size_t len )
+{
+    int ret;
+
+    if( len > (size_t) INT_MAX )
+        return( -1 );
+
+    if( len > sizeof( buf->data ) )
+    {
+        mbedtls_printf( "  ! buffer size %u too large (max %u)\n",
+                        (unsigned) len, (unsigned) sizeof( buf->data ) );
+        return( -1 );
+    }
+
+    if( sizeof( buf->data ) - buf->len < len )
+    {
+        if( ( ret = ctx_buffer_flush( buf ) ) <= 0 )
+        {
+            mbedtls_printf( "ctx_buffer_flush failed with -%#04x", (unsigned int) -ret );
+            return( ret );
+        }
+    }
+
+    memcpy( buf->data + buf->len, data, len );
+
+    buf->len += len;
+    if( ++buf->num_datagrams == 1 )
+        buf->packet_lifetime = ellapsed_time();
+
+    return( (int) len );
+}
+#endif /* MBEDTLS_TIMING_C */
+
+static int dispatch_data( mbedtls_net_context *ctx,
+                          const unsigned char * data,
+                          size_t len )
+{
+    int ret;
+#if defined(MBEDTLS_TIMING_C)
+    ctx_buffer *buf = NULL;
+    if( opt.pack > 0 )
+    {
+        if( outbuf[0].ctx == ctx )
+            buf = &outbuf[0];
+        else if( outbuf[1].ctx == ctx )
+            buf = &outbuf[1];
+
+        if( buf == NULL )
+            return( -1 );
+
+        return( ctx_buffer_append( buf, data, len ) );
+    }
+#endif /* MBEDTLS_TIMING_C */
+
+    ret = mbedtls_net_send( ctx, data, len );
+    if( ret < 0 )
+    {
+        mbedtls_printf( "net_send returned -%#04x\n", (unsigned int) -ret );
+    }
+    return( ret );
+}
+
+typedef struct
+{
+    mbedtls_net_context *dst;
+    const char *way;
+    const char *type;
+    unsigned len;
+    unsigned char buf[MAX_MSG_SIZE];
+} packet;
+
+/* Print packet. Outgoing packets come with a reason (forward, dupl, etc.) */
+void print_packet( const packet *p, const char *why )
+{
+#if defined(MBEDTLS_TIMING_C)
+    if( why == NULL )
+        mbedtls_printf( "  %05u dispatch %s %s (%u bytes)\n",
+                ellapsed_time(), p->way, p->type, p->len );
+    else
+        mbedtls_printf( "  %05u dispatch %s %s (%u bytes): %s\n",
+                ellapsed_time(), p->way, p->type, p->len, why );
+#else
+    if( why == NULL )
+        mbedtls_printf( "        dispatch %s %s (%u bytes)\n",
+                p->way, p->type, p->len );
+    else
+        mbedtls_printf( "        dispatch %s %s (%u bytes): %s\n",
+                p->way, p->type, p->len, why );
+#endif
+
+    fflush( stdout );
+}
+
+/*
+ * In order to test the server's behaviour when receiving a ClientHello after
+ * the connection is established (this could be a hard reset from the client,
+ * but the server must not drop the existing connection before establishing
+ * client reachability, see RFC 6347 Section 4.2.8), we memorize the first
+ * ClientHello we see (which can't have a cookie), then replay it after the
+ * first ApplicationData record - then we're done.
+ *
+ * This is controlled by the inject_clihlo option.
+ *
+ * We want an explicit state and a place to store the packet.
+ */
+typedef enum {
+    ICH_INIT,       /* haven't seen the first ClientHello yet */
+    ICH_CACHED,     /* cached the initial ClientHello */
+    ICH_INJECTED,   /* ClientHello already injected, done */
+} inject_clihlo_state_t;
+
+static inject_clihlo_state_t inject_clihlo_state;
+static packet initial_clihlo;
+
+int send_packet( const packet *p, const char *why )
+{
+    int ret;
+    mbedtls_net_context *dst = p->dst;
+
+    /* save initial ClientHello? */
+    if( opt.inject_clihlo != 0 &&
+        inject_clihlo_state == ICH_INIT &&
+        strcmp( p->type, "ClientHello" ) == 0 )
+    {
+        memcpy( &initial_clihlo, p, sizeof( packet ) );
+        inject_clihlo_state = ICH_CACHED;
+    }
+
+    /* insert corrupted CID record? */
+    if( opt.bad_cid != 0 &&
+        strcmp( p->type, "CID" ) == 0 &&
+        ( rand() % opt.bad_cid ) == 0 )
+    {
+        unsigned char buf[MAX_MSG_SIZE];
+        memcpy( buf, p->buf, p->len );
+
+        /* The CID resides at offset 11 in the DTLS record header. */
+        buf[11] ^= 1;
+        print_packet( p, "modified CID" );
+
+        if( ( ret = dispatch_data( dst, buf, p->len ) ) <= 0 )
+        {
+            mbedtls_printf( "  ! dispatch returned %d\n", ret );
+            return( ret );
+        }
+    }
+
+    /* insert corrupted ApplicationData record? */
+    if( opt.bad_ad &&
+        strcmp( p->type, "ApplicationData" ) == 0 )
+    {
+        unsigned char buf[MAX_MSG_SIZE];
+        memcpy( buf, p->buf, p->len );
+
+        if( p->len <= 13 )
+        {
+            mbedtls_printf( "  ! can't corrupt empty AD record" );
+        }
+        else
+        {
+            ++buf[13];
+            print_packet( p, "corrupted" );
+        }
+
+        if( ( ret = dispatch_data( dst, buf, p->len ) ) <= 0 )
+        {
+            mbedtls_printf( "  ! dispatch returned %d\n", ret );
+            return( ret );
+        }
+    }
+
+    print_packet( p, why );
+    if( ( ret = dispatch_data( dst, p->buf, p->len ) ) <= 0 )
+    {
+        mbedtls_printf( "  ! dispatch returned %d\n", ret );
+        return( ret );
+    }
+
+    /* Don't duplicate Application Data, only handshake covered */
+    if( opt.duplicate != 0 &&
+        strcmp( p->type, "ApplicationData" ) != 0 &&
+        rand() % opt.duplicate == 0 )
+    {
+        print_packet( p, "duplicated" );
+
+        if( ( ret = dispatch_data( dst, p->buf, p->len ) ) <= 0 )
+        {
+            mbedtls_printf( "  ! dispatch returned %d\n", ret );
+            return( ret );
+        }
+    }
+
+    /* Inject ClientHello after first ApplicationData */
+    if( opt.inject_clihlo != 0 &&
+        inject_clihlo_state == ICH_CACHED &&
+        strcmp( p->type, "ApplicationData" ) == 0 )
+    {
+        print_packet( &initial_clihlo, "injected" );
+
+        if( ( ret = dispatch_data( dst, initial_clihlo.buf,
+                                        initial_clihlo.len ) ) <= 0 )
+        {
+            mbedtls_printf( "  ! dispatch returned %d\n", ret );
+            return( ret );
+        }
+
+        inject_clihlo_state = ICH_INJECTED;
+    }
+
+    return( 0 );
+}
+
+#define MAX_DELAYED_MSG 5
+static size_t prev_len;
+static packet prev[MAX_DELAYED_MSG];
+
+void clear_pending( void )
+{
+    memset( &prev, 0, sizeof( prev ) );
+    prev_len = 0;
+}
+
+void delay_packet( packet *delay )
+{
+    if( prev_len == MAX_DELAYED_MSG )
+        return;
+
+    memcpy( &prev[prev_len++], delay, sizeof( packet ) );
+}
+
+int send_delayed()
+{
+    uint8_t offset;
+    int ret;
+    for( offset = 0; offset < prev_len; offset++ )
+    {
+        ret = send_packet( &prev[offset], "delayed" );
+        if( ret != 0 )
+            return( ret );
+    }
+
+    clear_pending();
+    return( 0 );
+}
+
+/*
+ * Avoid dropping or delaying a packet that was already dropped twice: this
+ * only results in uninteresting timeouts. We can't rely on type to identify
+ * packets, since during renegotiation they're all encrypted.  So, rely on
+ * size mod 2048 (which is usually just size).
+ */
+static unsigned char dropped[2048] = { 0 };
+#define DROP_MAX 2
+
+/* We only drop packets at the level of entire datagrams, not at the level
+ * of records. In particular, if the peer changes the way it packs multiple
+ * records into a single datagram, we don't necessarily count the number of
+ * times a record has been dropped correctly. However, the only known reason
+ * why a peer would change datagram packing is disabling the latter on
+ * retransmission, in which case we'd drop involved records at most
+ * DROP_MAX + 1 times. */
+void update_dropped( const packet *p )
+{
+    size_t id = p->len % sizeof( dropped );
+    ++dropped[id];
+}
+
+int handle_message( const char *way,
+                    mbedtls_net_context *dst,
+                    mbedtls_net_context *src )
+{
+    int ret;
+    packet cur;
+    size_t id;
+
+    uint8_t delay_idx;
+    char ** delay_list;
+    uint8_t delay_list_len;
+
+    /* receive packet */
+    if( ( ret = mbedtls_net_recv( src, cur.buf, sizeof( cur.buf ) ) ) <= 0 )
+    {
+        mbedtls_printf( "  ! mbedtls_net_recv returned %d\n", ret );
+        return( ret );
+    }
+
+    cur.len  = ret;
+    cur.type = msg_type( cur.buf, cur.len );
+    cur.way  = way;
+    cur.dst  = dst;
+    print_packet( &cur, NULL );
+
+    id = cur.len % sizeof( dropped );
+
+    if( strcmp( way, "S <- C" ) == 0 )
+    {
+        delay_list     = opt.delay_cli;
+        delay_list_len = opt.delay_cli_cnt;
+    }
+    else
+    {
+        delay_list     = opt.delay_srv;
+        delay_list_len = opt.delay_srv_cnt;
+    }
+
+    /* Check if message type is in the list of messages
+     * that should be delayed */
+    for( delay_idx = 0; delay_idx < delay_list_len; delay_idx++ )
+    {
+        if( delay_list[ delay_idx ] == NULL )
+            continue;
+
+        if( strcmp( delay_list[ delay_idx ], cur.type ) == 0 )
+        {
+            /* Delay message */
+            delay_packet( &cur );
+
+            /* Remove entry from list */
+            mbedtls_free( delay_list[delay_idx] );
+            delay_list[delay_idx] = NULL;
+
+            return( 0 );
+        }
+    }
+
+    /* do we want to drop, delay, or forward it? */
+    if( ( opt.mtu != 0 &&
+          cur.len > (unsigned) opt.mtu ) ||
+        ( opt.drop != 0 &&
+          strcmp( cur.type, "CID" ) != 0             &&
+          strcmp( cur.type, "ApplicationData" ) != 0 &&
+          ! ( opt.protect_hvr &&
+              strcmp( cur.type, "HelloVerifyRequest" ) == 0 ) &&
+          cur.len != (size_t) opt.protect_len &&
+          dropped[id] < DROP_MAX &&
+          rand() % opt.drop == 0 ) )
+    {
+        update_dropped( &cur );
+    }
+    else if( ( opt.delay_ccs == 1 &&
+               strcmp( cur.type, "ChangeCipherSpec" ) == 0 ) ||
+             ( opt.delay != 0 &&
+               strcmp( cur.type, "CID" ) != 0             &&
+               strcmp( cur.type, "ApplicationData" ) != 0 &&
+               ! ( opt.protect_hvr &&
+                   strcmp( cur.type, "HelloVerifyRequest" ) == 0 ) &&
+               cur.len != (size_t) opt.protect_len &&
+               dropped[id] < DROP_MAX &&
+               rand() % opt.delay == 0 ) )
+    {
+        delay_packet( &cur );
+    }
+    else
+    {
+        /* forward and possibly duplicate */
+        if( ( ret = send_packet( &cur, "forwarded" ) ) != 0 )
+            return( ret );
+
+        /* send previously delayed messages if any */
+        ret = send_delayed();
+        if( ret != 0 )
+            return( ret );
+    }
+
+    return( 0 );
+}
+
+int main( int argc, char *argv[] )
+{
+    int ret = 1;
+    int exit_code = MBEDTLS_EXIT_FAILURE;
+    uint8_t delay_idx;
+
+    mbedtls_net_context listen_fd, client_fd, server_fd;
+
+#if defined( MBEDTLS_TIMING_C )
+    struct timeval tm;
+#endif
+
+    struct timeval *tm_ptr = NULL;
+
+    int nb_fds;
+    fd_set read_fds;
+
+    mbedtls_net_init( &listen_fd );
+    mbedtls_net_init( &client_fd );
+    mbedtls_net_init( &server_fd );
+
+    get_options( argc, argv );
+
+    /*
+     * Decisions to drop/delay/duplicate packets are pseudo-random: dropping
+     * exactly 1 in N packets would lead to problems when a flight has exactly
+     * N packets: the same packet would be dropped on every resend.
+     *
+     * In order to be able to reproduce problems reliably, the seed may be
+     * specified explicitly.
+     */
+    if( opt.seed == 0 )
+    {
+        opt.seed = (unsigned int) time( NULL );
+        mbedtls_printf( "  . Pseudo-random seed: %u\n", opt.seed );
+    }
+
+    srand( opt.seed );
+
+    /*
+     * 0. "Connect" to the server
+     */
+    mbedtls_printf( "  . Connect to server on UDP/%s/%s ...",
+            opt.server_addr, opt.server_port );
+    fflush( stdout );
+
+    if( ( ret = mbedtls_net_connect( &server_fd, opt.server_addr, opt.server_port,
+                             MBEDTLS_NET_PROTO_UDP ) ) != 0 )
+    {
+        mbedtls_printf( " failed\n  ! mbedtls_net_connect returned %d\n\n", ret );
+        goto exit;
+    }
+
+    mbedtls_printf( " ok\n" );
+
+    /*
+     * 1. Setup the "listening" UDP socket
+     */
+    mbedtls_printf( "  . Bind on UDP/%s/%s ...",
+            opt.listen_addr, opt.listen_port );
+    fflush( stdout );
+
+    if( ( ret = mbedtls_net_bind( &listen_fd, opt.listen_addr, opt.listen_port,
+                          MBEDTLS_NET_PROTO_UDP ) ) != 0 )
+    {
+        mbedtls_printf( " failed\n  ! mbedtls_net_bind returned %d\n\n", ret );
+        goto exit;
+    }
+
+    mbedtls_printf( " ok\n" );
+
+    /*
+     * 2. Wait until a client connects
+     */
+accept:
+    mbedtls_net_free( &client_fd );
+
+    mbedtls_printf( "  . Waiting for a remote connection ..." );
+    fflush( stdout );
+
+    if( ( ret = mbedtls_net_accept( &listen_fd, &client_fd,
+                                    NULL, 0, NULL ) ) != 0 )
+    {
+        mbedtls_printf( " failed\n  ! mbedtls_net_accept returned %d\n\n", ret );
+        goto exit;
+    }
+
+    mbedtls_printf( " ok\n" );
+
+    /*
+     * 3. Forward packets forever (kill the process to terminate it)
+     */
+    clear_pending();
+    memset( dropped, 0, sizeof( dropped ) );
+
+    nb_fds = client_fd.fd;
+    if( nb_fds < server_fd.fd )
+        nb_fds = server_fd.fd;
+    if( nb_fds < listen_fd.fd )
+        nb_fds = listen_fd.fd;
+    ++nb_fds;
+
+#if defined(MBEDTLS_TIMING_C)
+    if( opt.pack > 0 )
+    {
+        outbuf[0].ctx = &server_fd;
+        outbuf[0].description = "S <- C";
+        outbuf[0].num_datagrams = 0;
+        outbuf[0].len = 0;
+
+        outbuf[1].ctx = &client_fd;
+        outbuf[1].description = "S -> C";
+        outbuf[1].num_datagrams = 0;
+        outbuf[1].len = 0;
+    }
+#endif /* MBEDTLS_TIMING_C */
+
+    while( 1 )
+    {
+#if defined(MBEDTLS_TIMING_C)
+        if( opt.pack > 0 )
+        {
+            unsigned max_wait_server, max_wait_client, max_wait;
+            max_wait_server = ctx_buffer_time_remaining( &outbuf[0] );
+            max_wait_client = ctx_buffer_time_remaining( &outbuf[1] );
+
+            max_wait = (unsigned) -1;
+
+            if( max_wait_server == 0 )
+                ctx_buffer_flush( &outbuf[0] );
+            else
+                max_wait = max_wait_server;
+
+            if( max_wait_client == 0 )
+                ctx_buffer_flush( &outbuf[1] );
+            else
+            {
+                if( max_wait_client < max_wait )
+                    max_wait = max_wait_client;
+            }
+
+            if( max_wait != (unsigned) -1 )
+            {
+                tm.tv_sec  = max_wait / 1000;
+                tm.tv_usec = ( max_wait % 1000 ) * 1000;
+
+                tm_ptr = &tm;
+            }
+            else
+            {
+                tm_ptr = NULL;
+            }
+        }
+#endif /* MBEDTLS_TIMING_C */
+
+        FD_ZERO( &read_fds );
+        FD_SET( server_fd.fd, &read_fds );
+        FD_SET( client_fd.fd, &read_fds );
+        FD_SET( listen_fd.fd, &read_fds );
+
+        if( ( ret = select( nb_fds, &read_fds, NULL, NULL, tm_ptr ) ) < 0 )
+        {
+            perror( "select" );
+            goto exit;
+        }
+
+        if( FD_ISSET( listen_fd.fd, &read_fds ) )
+            goto accept;
+
+        if( FD_ISSET( client_fd.fd, &read_fds ) )
+        {
+            if( ( ret = handle_message( "S <- C",
+                                        &server_fd, &client_fd ) ) != 0 )
+                goto accept;
+        }
+
+        if( FD_ISSET( server_fd.fd, &read_fds ) )
+        {
+            if( ( ret = handle_message( "S -> C",
+                                        &client_fd, &server_fd ) ) != 0 )
+                goto accept;
+        }
+
+    }
+
+    exit_code = MBEDTLS_EXIT_SUCCESS;
+
+exit:
+
+#ifdef MBEDTLS_ERROR_C
+    if( exit_code != MBEDTLS_EXIT_SUCCESS )
+    {
+        char error_buf[100];
+        mbedtls_strerror( ret, error_buf, 100 );
+        mbedtls_printf( "Last error was: -0x%04X - %s\n\n", (unsigned int) -ret, error_buf );
+        fflush( stdout );
+    }
+#endif
+
+    for( delay_idx = 0; delay_idx < MAX_DELAYED_HS; delay_idx++ )
+    {
+        mbedtls_free( opt.delay_cli[delay_idx] );
+        mbedtls_free( opt.delay_srv[delay_idx] );
+    }
+
+    mbedtls_net_free( &client_fd );
+    mbedtls_net_free( &server_fd );
+    mbedtls_net_free( &listen_fd );
+
+#if defined(_WIN32)
+    mbedtls_printf( "  Press Enter to exit this program.\n" );
+    fflush( stdout ); getchar();
+#endif
+
+    mbedtls_exit( exit_code );
+}
+
+#endif /* MBEDTLS_NET_C */
diff --git a/lib/mbedtls-2.27.0/programs/test/udp_proxy_wrapper.sh b/lib/mbedtls-2.27.0/programs/test/udp_proxy_wrapper.sh
new file mode 100755
index 0000000..27de013
--- /dev/null
+++ b/lib/mbedtls-2.27.0/programs/test/udp_proxy_wrapper.sh
@@ -0,0 +1,132 @@
+#!/bin/sh
+# -*-sh-basic-offset: 4-*-
+# Usage: udp_proxy_wrapper.sh [PROXY_PARAM...] -- [SERVER_PARAM...]
+#
+# Copyright The Mbed TLS Contributors
+# SPDX-License-Identifier: Apache-2.0
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+set -u
+
+MBEDTLS_BASE="$(dirname -- "$0")/../.."
+TPXY_BIN="$MBEDTLS_BASE/programs/test/udp_proxy"
+SRV_BIN="$MBEDTLS_BASE/programs/ssl/ssl_server2"
+
+: ${VERBOSE:=0}
+
+stop_proxy() {
+    if [ -n "${tpxy_pid:-}" ]; then
+        echo
+        echo "  * Killing proxy (pid $tpxy_pid) ..."
+        kill $tpxy_pid
+    fi
+}
+
+stop_server() {
+    if [ -n "${srv_pid:-}" ]; then
+        echo
+        echo "  * Killing server (pid $srv_pid) ..."
+        kill $srv_pid >/dev/null 2>/dev/null
+    fi
+}
+
+cleanup() {
+    stop_server
+    stop_proxy
+    exit 129
+}
+
+trap cleanup INT TERM HUP
+
+# Extract the proxy parameters
+tpxy_cmd_snippet='"$TPXY_BIN"'
+while [ $# -ne 0 ] && [ "$1" != "--" ]; do
+    tail="$1" quoted=""
+    while [ -n "$tail" ]; do
+        case "$tail" in
+            *\'*) quoted="${quoted}${tail%%\'*}'\\''" tail="${tail#*\'}";;
+            *) quoted="${quoted}${tail}"; tail=; false;;
+        esac
+    done
+    tpxy_cmd_snippet="$tpxy_cmd_snippet '$quoted'"
+    shift
+done
+unset tail quoted
+if [ $# -eq 0 ]; then
+    echo "  * No server arguments (must be preceded by \" -- \") - exit"
+    exit 3
+fi
+shift
+
+dtls_enabled=
+ipv6_in_use=
+server_port_orig=
+server_addr_orig=
+for param; do
+    case "$param" in
+        server_port=*) server_port_orig="${param#*=}";;
+        server_addr=*:*) server_addr_orig="${param#*=}"; ipv6_in_use=1;;
+        server_addr=*) server_addr_orig="${param#*=}";;
+        dtls=[!0]*) dtls_enabled=1;;
+    esac
+done
+
+if [ -z "$dtls_enabled" ] || [ -n "$ipv6_in_use" ]; then
+    echo >&2 "$0: Couldn't find DTLS enabling, or IPv6 is in use - immediate fallback to server application..."
+    if [ $VERBOSE -gt 0 ]; then
+        echo "[ $SRV_BIN $* ]"
+    fi
+    exec "$SRV_BIN" "$@"
+fi
+
+if [ -z "$server_port_orig" ]; then
+    server_port_orig=4433
+fi
+echo "  * Server port:       $server_port_orig"
+tpxy_cmd_snippet="$tpxy_cmd_snippet \"listen_port=\$server_port_orig\""
+tpxy_cmd_snippet="$tpxy_cmd_snippet \"server_port=\$server_port\""
+
+if [ -n "$server_addr_orig" ]; then
+    echo "  * Server address:    $server_addr_orig"
+    tpxy_cmd_snippet="$tpxy_cmd_snippet \"server_addr=\$server_addr_orig\""
+    tpxy_cmd_snippet="$tpxy_cmd_snippet \"listen_addr=\$server_addr_orig\""
+fi
+
+server_port=$(( server_port_orig + 1 ))
+set -- "$@" "server_port=$server_port"
+echo "  * Intermediate port: $server_port"
+
+echo "  * Start proxy in background ..."
+if [ $VERBOSE -gt 0 ]; then
+    echo "[ $tpxy_cmd_snippet ]"
+fi
+eval exec "$tpxy_cmd_snippet" >/dev/null 2>&1 &
+tpxy_pid=$!
+
+if [ $VERBOSE -gt 0 ]; then
+    echo "  * Proxy ID:          $TPXY_PID"
+fi
+
+echo "  * Starting server ..."
+if [ $VERBOSE -gt 0 ]; then
+    echo "[ $SRV_BIN $* ]"
+fi
+
+exec "$SRV_BIN" "$@" >&2 &
+srv_pid=$!
+
+wait $srv_pid
+
+stop_proxy
+return 0
diff --git a/lib/mbedtls-2.27.0/programs/test/zeroize.c b/lib/mbedtls-2.27.0/programs/test/zeroize.c
new file mode 100644
index 0000000..5e6b58e
--- /dev/null
+++ b/lib/mbedtls-2.27.0/programs/test/zeroize.c
@@ -0,0 +1,98 @@
+/*
+ * Zeroize application for debugger-driven testing
+ *
+ * This is a simple test application used for debugger-driven testing to check
+ * whether calls to mbedtls_platform_zeroize() are being eliminated by compiler
+ * optimizations. This application is used by the GDB script at
+ * tests/scripts/test_zeroize.gdb: the script sets a breakpoint at the last
+ * return statement in the main() function of this program. The debugger
+ * facilities are then used to manually inspect the memory and verify that the
+ * call to mbedtls_platform_zeroize() was not eliminated.
+ *
+ *  Copyright The Mbed TLS Contributors
+ *  SPDX-License-Identifier: Apache-2.0
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License"); you may
+ *  not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+#if !defined(MBEDTLS_CONFIG_FILE)
+#include "mbedtls/config.h"
+#else
+#include MBEDTLS_CONFIG_FILE
+#endif
+
+#include <stdio.h>
+
+#if defined(MBEDTLS_PLATFORM_C)
+#include "mbedtls/platform.h"
+#else
+#include <stdlib.h>
+#define mbedtls_printf     printf
+#define mbedtls_exit       exit
+#define MBEDTLS_EXIT_SUCCESS EXIT_SUCCESS
+#define MBEDTLS_EXIT_FAILURE EXIT_FAILURE
+#endif
+
+#include "mbedtls/platform_util.h"
+
+#define BUFFER_LEN 1024
+
+void usage( void )
+{
+    mbedtls_printf( "Zeroize is a simple program to assist with testing\n" );
+    mbedtls_printf( "the mbedtls_platform_zeroize() function by using the\n" );
+    mbedtls_printf( "debugger. This program takes a file as input and\n" );
+    mbedtls_printf( "prints the first %d characters. Usage:\n\n", BUFFER_LEN );
+    mbedtls_printf( "       zeroize <FILE>\n" );
+}
+
+int main( int argc, char** argv )
+{
+    int exit_code = MBEDTLS_EXIT_FAILURE;
+    FILE *fp;
+    char buf[BUFFER_LEN];
+    char *p = buf;
+    char *end = p + BUFFER_LEN;
+    int c;
+
+    if( argc != 2 )
+    {
+        mbedtls_printf( "This program takes exactly 1 agument\n" );
+        usage();
+        mbedtls_exit( exit_code );
+    }
+
+    fp = fopen( argv[1], "r" );
+    if( fp == NULL )
+    {
+        mbedtls_printf( "Could not open file '%s'\n", argv[1] );
+        mbedtls_exit( exit_code );
+    }
+
+    while( ( c = fgetc( fp ) ) != EOF && p < end - 1 )
+        *p++ = (char)c;
+    *p = '\0';
+
+    if( p - buf != 0 )
+    {
+        mbedtls_printf( "%s\n", buf );
+        exit_code = MBEDTLS_EXIT_SUCCESS;
+    }
+    else
+        mbedtls_printf( "The file is empty!\n" );
+
+    fclose( fp );
+    mbedtls_platform_zeroize( buf, sizeof( buf ) );
+
+    mbedtls_exit( exit_code ); // GDB_BREAK_HERE -- don't remove this comment!
+}