Removed old mbedtls, replacing with submodule.

1 files changed, 0 insertions, 538 deletions

diff --git a/lib/mbedtls-2.27.0/library/chachapoly.c b/lib/mbedtls-2.27.0/library/chachapoly.c
deleted file mode 100644
index 77d5477..0000000
--- a/lib/mbedtls-2.27.0/library/chachapoly.c
+++ /dev/null
@@ -1,538 +0,0 @@
-/**
- * \file chachapoly.c
- *
- * \brief ChaCha20-Poly1305 AEAD construction based on RFC 7539.
- *
- *  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.
- */
-#include "common.h"
-
-#if defined(MBEDTLS_CHACHAPOLY_C)
-
-#include "mbedtls/chachapoly.h"
-#include "mbedtls/platform_util.h"
-#include "mbedtls/error.h"
-
-#include <string.h>
-
-#if defined(MBEDTLS_SELF_TEST)
-#if defined(MBEDTLS_PLATFORM_C)
-#include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#define mbedtls_printf printf
-#endif /* MBEDTLS_PLATFORM_C */
-#endif /* MBEDTLS_SELF_TEST */
-
-#if !defined(MBEDTLS_CHACHAPOLY_ALT)
-
-/* Parameter validation macros */
-#define CHACHAPOLY_VALIDATE_RET( cond )                                       \
-    MBEDTLS_INTERNAL_VALIDATE_RET( cond, MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA )
-#define CHACHAPOLY_VALIDATE( cond )                                           \
-    MBEDTLS_INTERNAL_VALIDATE( cond )
-
-#define CHACHAPOLY_STATE_INIT       ( 0 )
-#define CHACHAPOLY_STATE_AAD        ( 1 )
-#define CHACHAPOLY_STATE_CIPHERTEXT ( 2 ) /* Encrypting or decrypting */
-#define CHACHAPOLY_STATE_FINISHED   ( 3 )
-
-/**
- * \brief           Adds nul bytes to pad the AAD for Poly1305.
- *
- * \param ctx       The ChaCha20-Poly1305 context.
- */
-static int chachapoly_pad_aad( mbedtls_chachapoly_context *ctx )
-{
-    uint32_t partial_block_len = (uint32_t) ( ctx->aad_len % 16U );
-    unsigned char zeroes[15];
-
-    if( partial_block_len == 0U )
-        return( 0 );
-
-    memset( zeroes, 0, sizeof( zeroes ) );
-
-    return( mbedtls_poly1305_update( &ctx->poly1305_ctx,
-                                     zeroes,
-                                     16U - partial_block_len ) );
-}
-
-/**
- * \brief           Adds nul bytes to pad the ciphertext for Poly1305.
- *
- * \param ctx       The ChaCha20-Poly1305 context.
- */
-static int chachapoly_pad_ciphertext( mbedtls_chachapoly_context *ctx )
-{
-    uint32_t partial_block_len = (uint32_t) ( ctx->ciphertext_len % 16U );
-    unsigned char zeroes[15];
-
-    if( partial_block_len == 0U )
-        return( 0 );
-
-    memset( zeroes, 0, sizeof( zeroes ) );
-    return( mbedtls_poly1305_update( &ctx->poly1305_ctx,
-                                     zeroes,
-                                     16U - partial_block_len ) );
-}
-
-void mbedtls_chachapoly_init( mbedtls_chachapoly_context *ctx )
-{
-    CHACHAPOLY_VALIDATE( ctx != NULL );
-
-    mbedtls_chacha20_init( &ctx->chacha20_ctx );
-    mbedtls_poly1305_init( &ctx->poly1305_ctx );
-    ctx->aad_len        = 0U;
-    ctx->ciphertext_len = 0U;
-    ctx->state          = CHACHAPOLY_STATE_INIT;
-    ctx->mode           = MBEDTLS_CHACHAPOLY_ENCRYPT;
-}
-
-void mbedtls_chachapoly_free( mbedtls_chachapoly_context *ctx )
-{
-    if( ctx == NULL )
-        return;
-
-    mbedtls_chacha20_free( &ctx->chacha20_ctx );
-    mbedtls_poly1305_free( &ctx->poly1305_ctx );
-    ctx->aad_len        = 0U;
-    ctx->ciphertext_len = 0U;
-    ctx->state          = CHACHAPOLY_STATE_INIT;
-    ctx->mode           = MBEDTLS_CHACHAPOLY_ENCRYPT;
-}
-
-int mbedtls_chachapoly_setkey( mbedtls_chachapoly_context *ctx,
-                               const unsigned char key[32] )
-{
-    int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
-    CHACHAPOLY_VALIDATE_RET( ctx != NULL );
-    CHACHAPOLY_VALIDATE_RET( key != NULL );
-
-    ret = mbedtls_chacha20_setkey( &ctx->chacha20_ctx, key );
-
-    return( ret );
-}
-
-int mbedtls_chachapoly_starts( mbedtls_chachapoly_context *ctx,
-                               const unsigned char nonce[12],
-                               mbedtls_chachapoly_mode_t mode  )
-{
-    int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
-    unsigned char poly1305_key[64];
-    CHACHAPOLY_VALIDATE_RET( ctx != NULL );
-    CHACHAPOLY_VALIDATE_RET( nonce != NULL );
-
-    /* Set counter = 0, will be update to 1 when generating Poly1305 key */
-    ret = mbedtls_chacha20_starts( &ctx->chacha20_ctx, nonce, 0U );
-    if( ret != 0 )
-        goto cleanup;
-
-    /* Generate the Poly1305 key by getting the ChaCha20 keystream output with
-     * counter = 0.  This is the same as encrypting a buffer of zeroes.
-     * Only the first 256-bits (32 bytes) of the key is used for Poly1305.
-     * The other 256 bits are discarded.
-     */
-    memset( poly1305_key, 0, sizeof( poly1305_key ) );
-    ret = mbedtls_chacha20_update( &ctx->chacha20_ctx, sizeof( poly1305_key ),
-                                      poly1305_key, poly1305_key );
-    if( ret != 0 )
-        goto cleanup;
-
-    ret = mbedtls_poly1305_starts( &ctx->poly1305_ctx, poly1305_key );
-
-    if( ret == 0 )
-    {
-        ctx->aad_len        = 0U;
-        ctx->ciphertext_len = 0U;
-        ctx->state          = CHACHAPOLY_STATE_AAD;
-        ctx->mode           = mode;
-    }
-
-cleanup:
-    mbedtls_platform_zeroize( poly1305_key, 64U );
-    return( ret );
-}
-
-int mbedtls_chachapoly_update_aad( mbedtls_chachapoly_context *ctx,
-                                   const unsigned char *aad,
-                                   size_t aad_len )
-{
-    CHACHAPOLY_VALIDATE_RET( ctx != NULL );
-    CHACHAPOLY_VALIDATE_RET( aad_len == 0 || aad != NULL );
-
-    if( ctx->state != CHACHAPOLY_STATE_AAD )
-        return( MBEDTLS_ERR_CHACHAPOLY_BAD_STATE );
-
-    ctx->aad_len += aad_len;
-
-    return( mbedtls_poly1305_update( &ctx->poly1305_ctx, aad, aad_len ) );
-}
-
-int mbedtls_chachapoly_update( mbedtls_chachapoly_context *ctx,
-                               size_t len,
-                               const unsigned char *input,
-                               unsigned char *output )
-{
-    int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
-    CHACHAPOLY_VALIDATE_RET( ctx != NULL );
-    CHACHAPOLY_VALIDATE_RET( len == 0 || input != NULL );
-    CHACHAPOLY_VALIDATE_RET( len == 0 || output != NULL );
-
-    if( ( ctx->state != CHACHAPOLY_STATE_AAD ) &&
-        ( ctx->state != CHACHAPOLY_STATE_CIPHERTEXT ) )
-    {
-        return( MBEDTLS_ERR_CHACHAPOLY_BAD_STATE );
-    }
-
-    if( ctx->state == CHACHAPOLY_STATE_AAD )
-    {
-        ctx->state = CHACHAPOLY_STATE_CIPHERTEXT;
-
-        ret = chachapoly_pad_aad( ctx );
-        if( ret != 0 )
-            return( ret );
-    }
-
-    ctx->ciphertext_len += len;
-
-    if( ctx->mode == MBEDTLS_CHACHAPOLY_ENCRYPT )
-    {
-        ret = mbedtls_chacha20_update( &ctx->chacha20_ctx, len, input, output );
-        if( ret != 0 )
-            return( ret );
-
-        ret = mbedtls_poly1305_update( &ctx->poly1305_ctx, output, len );
-        if( ret != 0 )
-            return( ret );
-    }
-    else /* DECRYPT */
-    {
-        ret = mbedtls_poly1305_update( &ctx->poly1305_ctx, input, len );
-        if( ret != 0 )
-            return( ret );
-
-        ret = mbedtls_chacha20_update( &ctx->chacha20_ctx, len, input, output );
-        if( ret != 0 )
-            return( ret );
-    }
-
-    return( 0 );
-}
-
-int mbedtls_chachapoly_finish( mbedtls_chachapoly_context *ctx,
-                               unsigned char mac[16] )
-{
-    int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
-    unsigned char len_block[16];
-    CHACHAPOLY_VALIDATE_RET( ctx != NULL );
-    CHACHAPOLY_VALIDATE_RET( mac != NULL );
-
-    if( ctx->state == CHACHAPOLY_STATE_INIT )
-    {
-        return( MBEDTLS_ERR_CHACHAPOLY_BAD_STATE );
-    }
-
-    if( ctx->state == CHACHAPOLY_STATE_AAD )
-    {
-        ret = chachapoly_pad_aad( ctx );
-        if( ret != 0 )
-            return( ret );
-    }
-    else if( ctx->state == CHACHAPOLY_STATE_CIPHERTEXT )
-    {
-        ret = chachapoly_pad_ciphertext( ctx );
-        if( ret != 0 )
-            return( ret );
-    }
-
-    ctx->state = CHACHAPOLY_STATE_FINISHED;
-
-    /* The lengths of the AAD and ciphertext are processed by
-     * Poly1305 as the final 128-bit block, encoded as little-endian integers.
-     */
-    len_block[ 0] = (unsigned char)( ctx->aad_len       );
-    len_block[ 1] = (unsigned char)( ctx->aad_len >>  8 );
-    len_block[ 2] = (unsigned char)( ctx->aad_len >> 16 );
-    len_block[ 3] = (unsigned char)( ctx->aad_len >> 24 );
-    len_block[ 4] = (unsigned char)( ctx->aad_len >> 32 );
-    len_block[ 5] = (unsigned char)( ctx->aad_len >> 40 );
-    len_block[ 6] = (unsigned char)( ctx->aad_len >> 48 );
-    len_block[ 7] = (unsigned char)( ctx->aad_len >> 56 );
-    len_block[ 8] = (unsigned char)( ctx->ciphertext_len       );
-    len_block[ 9] = (unsigned char)( ctx->ciphertext_len >>  8 );
-    len_block[10] = (unsigned char)( ctx->ciphertext_len >> 16 );
-    len_block[11] = (unsigned char)( ctx->ciphertext_len >> 24 );
-    len_block[12] = (unsigned char)( ctx->ciphertext_len >> 32 );
-    len_block[13] = (unsigned char)( ctx->ciphertext_len >> 40 );
-    len_block[14] = (unsigned char)( ctx->ciphertext_len >> 48 );
-    len_block[15] = (unsigned char)( ctx->ciphertext_len >> 56 );
-
-    ret = mbedtls_poly1305_update( &ctx->poly1305_ctx, len_block, 16U );
-    if( ret != 0 )
-        return( ret );
-
-    ret = mbedtls_poly1305_finish( &ctx->poly1305_ctx, mac );
-
-    return( ret );
-}
-
-static int chachapoly_crypt_and_tag( mbedtls_chachapoly_context *ctx,
-                                     mbedtls_chachapoly_mode_t mode,
-                                     size_t length,
-                                     const unsigned char nonce[12],
-                                     const unsigned char *aad,
-                                     size_t aad_len,
-                                     const unsigned char *input,
-                                     unsigned char *output,
-                                     unsigned char tag[16] )
-{
-    int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
-
-    ret = mbedtls_chachapoly_starts( ctx, nonce, mode );
-    if( ret != 0 )
-        goto cleanup;
-
-    ret = mbedtls_chachapoly_update_aad( ctx, aad, aad_len );
-    if( ret != 0 )
-        goto cleanup;
-
-    ret = mbedtls_chachapoly_update( ctx, length, input, output );
-    if( ret != 0 )
-        goto cleanup;
-
-    ret = mbedtls_chachapoly_finish( ctx, tag );
-
-cleanup:
-    return( ret );
-}
-
-int mbedtls_chachapoly_encrypt_and_tag( mbedtls_chachapoly_context *ctx,
-                                        size_t length,
-                                        const unsigned char nonce[12],
-                                        const unsigned char *aad,
-                                        size_t aad_len,
-                                        const unsigned char *input,
-                                        unsigned char *output,
-                                        unsigned char tag[16] )
-{
-    CHACHAPOLY_VALIDATE_RET( ctx   != NULL );
-    CHACHAPOLY_VALIDATE_RET( nonce != NULL );
-    CHACHAPOLY_VALIDATE_RET( tag   != NULL );
-    CHACHAPOLY_VALIDATE_RET( aad_len == 0 || aad    != NULL );
-    CHACHAPOLY_VALIDATE_RET( length  == 0 || input  != NULL );
-    CHACHAPOLY_VALIDATE_RET( length  == 0 || output != NULL );
-
-    return( chachapoly_crypt_and_tag( ctx, MBEDTLS_CHACHAPOLY_ENCRYPT,
-                                      length, nonce, aad, aad_len,
-                                      input, output, tag ) );
-}
-
-int mbedtls_chachapoly_auth_decrypt( mbedtls_chachapoly_context *ctx,
-                                     size_t length,
-                                     const unsigned char nonce[12],
-                                     const unsigned char *aad,
-                                     size_t aad_len,
-                                     const unsigned char tag[16],
-                                     const unsigned char *input,
-                                     unsigned char *output )
-{
-    int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
-    unsigned char check_tag[16];
-    size_t i;
-    int diff;
-    CHACHAPOLY_VALIDATE_RET( ctx   != NULL );
-    CHACHAPOLY_VALIDATE_RET( nonce != NULL );
-    CHACHAPOLY_VALIDATE_RET( tag   != NULL );
-    CHACHAPOLY_VALIDATE_RET( aad_len == 0 || aad    != NULL );
-    CHACHAPOLY_VALIDATE_RET( length  == 0 || input  != NULL );
-    CHACHAPOLY_VALIDATE_RET( length  == 0 || output != NULL );
-
-    if( ( ret = chachapoly_crypt_and_tag( ctx,
-                        MBEDTLS_CHACHAPOLY_DECRYPT, length, nonce,
-                        aad, aad_len, input, output, check_tag ) ) != 0 )
-    {
-        return( ret );
-    }
-
-    /* Check tag in "constant-time" */
-    for( diff = 0, i = 0; i < sizeof( check_tag ); i++ )
-        diff |= tag[i] ^ check_tag[i];
-
-    if( diff != 0 )
-    {
-        mbedtls_platform_zeroize( output, length );
-        return( MBEDTLS_ERR_CHACHAPOLY_AUTH_FAILED );
-    }
-
-    return( 0 );
-}
-
-#endif /* MBEDTLS_CHACHAPOLY_ALT */
-
-#if defined(MBEDTLS_SELF_TEST)
-
-static const unsigned char test_key[1][32] =
-{
-    {
-        0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
-        0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
-        0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97,
-        0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f
-    }
-};
-
-static const unsigned char test_nonce[1][12] =
-{
-    {
-        0x07, 0x00, 0x00, 0x00,                         /* 32-bit common part */
-        0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47  /* 64-bit IV */
-    }
-};
-
-static const unsigned char test_aad[1][12] =
-{
-    {
-        0x50, 0x51, 0x52, 0x53, 0xc0, 0xc1, 0xc2, 0xc3,
-        0xc4, 0xc5, 0xc6, 0xc7
-    }
-};
-
-static const size_t test_aad_len[1] =
-{
-    12U
-};
-
-static const unsigned char test_input[1][114] =
-{
-    {
-        0x4c, 0x61, 0x64, 0x69, 0x65, 0x73, 0x20, 0x61,
-        0x6e, 0x64, 0x20, 0x47, 0x65, 0x6e, 0x74, 0x6c,
-        0x65, 0x6d, 0x65, 0x6e, 0x20, 0x6f, 0x66, 0x20,
-        0x74, 0x68, 0x65, 0x20, 0x63, 0x6c, 0x61, 0x73,
-        0x73, 0x20, 0x6f, 0x66, 0x20, 0x27, 0x39, 0x39,
-        0x3a, 0x20, 0x49, 0x66, 0x20, 0x49, 0x20, 0x63,
-        0x6f, 0x75, 0x6c, 0x64, 0x20, 0x6f, 0x66, 0x66,
-        0x65, 0x72, 0x20, 0x79, 0x6f, 0x75, 0x20, 0x6f,
-        0x6e, 0x6c, 0x79, 0x20, 0x6f, 0x6e, 0x65, 0x20,
-        0x74, 0x69, 0x70, 0x20, 0x66, 0x6f, 0x72, 0x20,
-        0x74, 0x68, 0x65, 0x20, 0x66, 0x75, 0x74, 0x75,
-        0x72, 0x65, 0x2c, 0x20, 0x73, 0x75, 0x6e, 0x73,
-        0x63, 0x72, 0x65, 0x65, 0x6e, 0x20, 0x77, 0x6f,
-        0x75, 0x6c, 0x64, 0x20, 0x62, 0x65, 0x20, 0x69,
-        0x74, 0x2e
-    }
-};
-
-static const unsigned char test_output[1][114] =
-{
-    {
-        0xd3, 0x1a, 0x8d, 0x34, 0x64, 0x8e, 0x60, 0xdb,
-        0x7b, 0x86, 0xaf, 0xbc, 0x53, 0xef, 0x7e, 0xc2,
-        0xa4, 0xad, 0xed, 0x51, 0x29, 0x6e, 0x08, 0xfe,
-        0xa9, 0xe2, 0xb5, 0xa7, 0x36, 0xee, 0x62, 0xd6,
-        0x3d, 0xbe, 0xa4, 0x5e, 0x8c, 0xa9, 0x67, 0x12,
-        0x82, 0xfa, 0xfb, 0x69, 0xda, 0x92, 0x72, 0x8b,
-        0x1a, 0x71, 0xde, 0x0a, 0x9e, 0x06, 0x0b, 0x29,
-        0x05, 0xd6, 0xa5, 0xb6, 0x7e, 0xcd, 0x3b, 0x36,
-        0x92, 0xdd, 0xbd, 0x7f, 0x2d, 0x77, 0x8b, 0x8c,
-        0x98, 0x03, 0xae, 0xe3, 0x28, 0x09, 0x1b, 0x58,
-        0xfa, 0xb3, 0x24, 0xe4, 0xfa, 0xd6, 0x75, 0x94,
-        0x55, 0x85, 0x80, 0x8b, 0x48, 0x31, 0xd7, 0xbc,
-        0x3f, 0xf4, 0xde, 0xf0, 0x8e, 0x4b, 0x7a, 0x9d,
-        0xe5, 0x76, 0xd2, 0x65, 0x86, 0xce, 0xc6, 0x4b,
-        0x61, 0x16
-    }
-};
-
-static const size_t test_input_len[1] =
-{
-    114U
-};
-
-static const unsigned char test_mac[1][16] =
-{
-    {
-        0x1a, 0xe1, 0x0b, 0x59, 0x4f, 0x09, 0xe2, 0x6a,
-        0x7e, 0x90, 0x2e, 0xcb, 0xd0, 0x60, 0x06, 0x91
-    }
-};
-
-/* Make sure no other definition is already present. */
-#undef ASSERT
-
-#define ASSERT( cond, args )            \
-    do                                  \
-    {                                   \
-        if( ! ( cond ) )                \
-        {                               \
-            if( verbose != 0 )          \
-                mbedtls_printf args;    \
-                                        \
-            return( -1 );               \
-        }                               \
-    }                                   \
-    while( 0 )
-
-int mbedtls_chachapoly_self_test( int verbose )
-{
-    mbedtls_chachapoly_context ctx;
-    unsigned i;
-    int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
-    unsigned char output[200];
-    unsigned char mac[16];
-
-    for( i = 0U; i < 1U; i++ )
-    {
-        if( verbose != 0 )
-            mbedtls_printf( "  ChaCha20-Poly1305 test %u ", i );
-
-        mbedtls_chachapoly_init( &ctx );
-
-        ret = mbedtls_chachapoly_setkey( &ctx, test_key[i] );
-        ASSERT( 0 == ret, ( "setkey() error code: %i\n", ret ) );
-
-        ret = mbedtls_chachapoly_encrypt_and_tag( &ctx,
-                                                  test_input_len[i],
-                                                  test_nonce[i],
-                                                  test_aad[i],
-                                                  test_aad_len[i],
-                                                  test_input[i],
-                                                  output,
-                                                  mac );
-
-        ASSERT( 0 == ret, ( "crypt_and_tag() error code: %i\n", ret ) );
-
-        ASSERT( 0 == memcmp( output, test_output[i], test_input_len[i] ),
-                ( "failure (wrong output)\n" ) );
-
-        ASSERT( 0 == memcmp( mac, test_mac[i], 16U ),
-                ( "failure (wrong MAC)\n" ) );
-
-        mbedtls_chachapoly_free( &ctx );
-
-        if( verbose != 0 )
-            mbedtls_printf( "passed\n" );
-    }
-
-    if( verbose != 0 )
-        mbedtls_printf( "\n" );
-
-    return( 0 );
-}
-
-#endif /* MBEDTLS_SELF_TEST */
-
-#endif /* MBEDTLS_CHACHAPOLY_C */