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Diffstat (limited to 'lib/mbedtls-2.27.0/programs/pkey/dh_client.c')
-rw-r--r--lib/mbedtls-2.27.0/programs/pkey/dh_client.c312
1 files changed, 0 insertions, 312 deletions
diff --git a/lib/mbedtls-2.27.0/programs/pkey/dh_client.c b/lib/mbedtls-2.27.0/programs/pkey/dh_client.c
deleted file mode 100644
index d6e4990..0000000
--- a/lib/mbedtls-2.27.0/programs/pkey/dh_client.c
+++ /dev/null
@@ -1,312 +0,0 @@
-/*
- * Diffie-Hellman-Merkle key exchange (client side)
- *
- * 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_time_t time_t
-#define mbedtls_exit exit
-#define MBEDTLS_EXIT_SUCCESS EXIT_SUCCESS
-#define MBEDTLS_EXIT_FAILURE EXIT_FAILURE
-#endif /* MBEDTLS_PLATFORM_C */
-
-#if defined(MBEDTLS_AES_C) && defined(MBEDTLS_DHM_C) && \
- defined(MBEDTLS_ENTROPY_C) && defined(MBEDTLS_NET_C) && \
- defined(MBEDTLS_RSA_C) && defined(MBEDTLS_SHA256_C) && \
- defined(MBEDTLS_FS_IO) && defined(MBEDTLS_CTR_DRBG_C) && \
- defined(MBEDTLS_SHA1_C)
-#include "mbedtls/net_sockets.h"
-#include "mbedtls/aes.h"
-#include "mbedtls/dhm.h"
-#include "mbedtls/rsa.h"
-#include "mbedtls/sha1.h"
-#include "mbedtls/entropy.h"
-#include "mbedtls/ctr_drbg.h"
-
-#include <stdio.h>
-#include <string.h>
-#endif
-
-#define SERVER_NAME "localhost"
-#define SERVER_PORT "11999"
-
-#if !defined(MBEDTLS_AES_C) || !defined(MBEDTLS_DHM_C) || \
- !defined(MBEDTLS_ENTROPY_C) || !defined(MBEDTLS_NET_C) || \
- !defined(MBEDTLS_RSA_C) || !defined(MBEDTLS_SHA256_C) || \
- !defined(MBEDTLS_FS_IO) || !defined(MBEDTLS_CTR_DRBG_C) || \
- !defined(MBEDTLS_SHA1_C)
-int main( void )
-{
- mbedtls_printf("MBEDTLS_AES_C and/or MBEDTLS_DHM_C and/or MBEDTLS_ENTROPY_C "
- "and/or MBEDTLS_NET_C and/or MBEDTLS_RSA_C and/or "
- "MBEDTLS_SHA256_C and/or MBEDTLS_FS_IO and/or "
- "MBEDTLS_CTR_DRBG_C not defined.\n");
- mbedtls_exit( 0 );
-}
-#else
-
-
-int main( void )
-{
- FILE *f;
-
- int ret = 1;
- int exit_code = MBEDTLS_EXIT_FAILURE;
- size_t n, buflen;
- mbedtls_net_context server_fd;
-
- unsigned char *p, *end;
- unsigned char buf[2048];
- unsigned char hash[32];
- const char *pers = "dh_client";
-
- mbedtls_entropy_context entropy;
- mbedtls_ctr_drbg_context ctr_drbg;
- mbedtls_rsa_context rsa;
- mbedtls_dhm_context dhm;
- mbedtls_aes_context aes;
-
- mbedtls_net_init( &server_fd );
- mbedtls_rsa_init( &rsa, MBEDTLS_RSA_PKCS_V15, MBEDTLS_MD_SHA256 );
- mbedtls_dhm_init( &dhm );
- mbedtls_aes_init( &aes );
- mbedtls_ctr_drbg_init( &ctr_drbg );
-
- /*
- * 1. Setup the RNG
- */
- mbedtls_printf( "\n . Seeding the random number generator" );
- fflush( stdout );
-
- mbedtls_entropy_init( &entropy );
- if( ( ret = mbedtls_ctr_drbg_seed( &ctr_drbg, mbedtls_entropy_func, &entropy,
- (const unsigned char *) pers,
- strlen( pers ) ) ) != 0 )
- {
- mbedtls_printf( " failed\n ! mbedtls_ctr_drbg_seed returned %d\n", ret );
- goto exit;
- }
-
- /*
- * 2. Read the server's public RSA key
- */
- mbedtls_printf( "\n . Reading public key from rsa_pub.txt" );
- fflush( stdout );
-
- if( ( f = fopen( "rsa_pub.txt", "rb" ) ) == NULL )
- {
- mbedtls_printf( " failed\n ! Could not open rsa_pub.txt\n" \
- " ! Please run rsa_genkey first\n\n" );
- goto exit;
- }
-
- mbedtls_rsa_init( &rsa, MBEDTLS_RSA_PKCS_V15, 0 );
-
- if( ( ret = mbedtls_mpi_read_file( &rsa.N, 16, f ) ) != 0 ||
- ( ret = mbedtls_mpi_read_file( &rsa.E, 16, f ) ) != 0 )
- {
- mbedtls_printf( " failed\n ! mbedtls_mpi_read_file returned %d\n\n", ret );
- fclose( f );
- goto exit;
- }
-
- rsa.len = ( mbedtls_mpi_bitlen( &rsa.N ) + 7 ) >> 3;
-
- fclose( f );
-
- /*
- * 3. Initiate the connection
- */
- mbedtls_printf( "\n . Connecting to tcp/%s/%s", SERVER_NAME,
- SERVER_PORT );
- fflush( stdout );
-
- if( ( ret = mbedtls_net_connect( &server_fd, SERVER_NAME,
- SERVER_PORT, MBEDTLS_NET_PROTO_TCP ) ) != 0 )
- {
- mbedtls_printf( " failed\n ! mbedtls_net_connect returned %d\n\n", ret );
- goto exit;
- }
-
- /*
- * 4a. First get the buffer length
- */
- mbedtls_printf( "\n . Receiving the server's DH parameters" );
- fflush( stdout );
-
- memset( buf, 0, sizeof( buf ) );
-
- if( ( ret = mbedtls_net_recv( &server_fd, buf, 2 ) ) != 2 )
- {
- mbedtls_printf( " failed\n ! mbedtls_net_recv returned %d\n\n", ret );
- goto exit;
- }
-
- n = buflen = ( buf[0] << 8 ) | buf[1];
- if( buflen < 1 || buflen > sizeof( buf ) )
- {
- mbedtls_printf( " failed\n ! Got an invalid buffer length\n\n" );
- goto exit;
- }
-
- /*
- * 4b. Get the DHM parameters: P, G and Ys = G^Xs mod P
- */
- memset( buf, 0, sizeof( buf ) );
-
- if( ( ret = mbedtls_net_recv( &server_fd, buf, n ) ) != (int) n )
- {
- mbedtls_printf( " failed\n ! mbedtls_net_recv returned %d\n\n", ret );
- goto exit;
- }
-
- p = buf, end = buf + buflen;
-
- if( ( ret = mbedtls_dhm_read_params( &dhm, &p, end ) ) != 0 )
- {
- mbedtls_printf( " failed\n ! mbedtls_dhm_read_params returned %d\n\n", ret );
- goto exit;
- }
-
- if( dhm.len < 64 || dhm.len > 512 )
- {
- mbedtls_printf( " failed\n ! Invalid DHM modulus size\n\n" );
- goto exit;
- }
-
- /*
- * 5. Check that the server's RSA signature matches
- * the SHA-256 hash of (P,G,Ys)
- */
- mbedtls_printf( "\n . Verifying the server's RSA signature" );
- fflush( stdout );
-
- p += 2;
-
- if( ( n = (size_t) ( end - p ) ) != rsa.len )
- {
- mbedtls_printf( " failed\n ! Invalid RSA signature size\n\n" );
- goto exit;
- }
-
- if( ( ret = mbedtls_sha1_ret( buf, (int)( p - 2 - buf ), hash ) ) != 0 )
- {
- mbedtls_printf( " failed\n ! mbedtls_sha1_ret returned %d\n\n", ret );
- goto exit;
- }
-
- if( ( ret = mbedtls_rsa_pkcs1_verify( &rsa, NULL, NULL, MBEDTLS_RSA_PUBLIC,
- MBEDTLS_MD_SHA256, 0, hash, p ) ) != 0 )
- {
- mbedtls_printf( " failed\n ! mbedtls_rsa_pkcs1_verify returned %d\n\n", ret );
- goto exit;
- }
-
- /*
- * 6. Send our public value: Yc = G ^ Xc mod P
- */
- mbedtls_printf( "\n . Sending own public value to server" );
- fflush( stdout );
-
- n = dhm.len;
- if( ( ret = mbedtls_dhm_make_public( &dhm, (int) dhm.len, buf, n,
- mbedtls_ctr_drbg_random, &ctr_drbg ) ) != 0 )
- {
- mbedtls_printf( " failed\n ! mbedtls_dhm_make_public returned %d\n\n", ret );
- goto exit;
- }
-
- if( ( ret = mbedtls_net_send( &server_fd, buf, n ) ) != (int) n )
- {
- mbedtls_printf( " failed\n ! mbedtls_net_send returned %d\n\n", ret );
- goto exit;
- }
-
- /*
- * 7. Derive the shared secret: K = Ys ^ Xc mod P
- */
- mbedtls_printf( "\n . Shared secret: " );
- fflush( stdout );
-
- if( ( ret = mbedtls_dhm_calc_secret( &dhm, buf, sizeof( buf ), &n,
- mbedtls_ctr_drbg_random, &ctr_drbg ) ) != 0 )
- {
- mbedtls_printf( " failed\n ! mbedtls_dhm_calc_secret returned %d\n\n", ret );
- goto exit;
- }
-
- for( n = 0; n < 16; n++ )
- mbedtls_printf( "%02x", buf[n] );
-
- /*
- * 8. Setup the AES-256 decryption key
- *
- * This is an overly simplified example; best practice is
- * to hash the shared secret with a random value to derive
- * the keying material for the encryption/decryption keys,
- * IVs and MACs.
- */
- mbedtls_printf( "...\n . Receiving and decrypting the ciphertext" );
- fflush( stdout );
-
- mbedtls_aes_setkey_dec( &aes, buf, 256 );
-
- memset( buf, 0, sizeof( buf ) );
-
- if( ( ret = mbedtls_net_recv( &server_fd, buf, 16 ) ) != 16 )
- {
- mbedtls_printf( " failed\n ! mbedtls_net_recv returned %d\n\n", ret );
- goto exit;
- }
-
- mbedtls_aes_crypt_ecb( &aes, MBEDTLS_AES_DECRYPT, buf, buf );
- buf[16] = '\0';
- mbedtls_printf( "\n . Plaintext is \"%s\"\n\n", (char *) buf );
-
- exit_code = MBEDTLS_EXIT_SUCCESS;
-
-exit:
-
- mbedtls_net_free( &server_fd );
-
- mbedtls_aes_free( &aes );
- mbedtls_rsa_free( &rsa );
- mbedtls_dhm_free( &dhm );
- mbedtls_ctr_drbg_free( &ctr_drbg );
- mbedtls_entropy_free( &entropy );
-
-#if defined(_WIN32)
- mbedtls_printf( " + Press Enter to exit this program.\n" );
- fflush( stdout ); getchar();
-#endif
-
- mbedtls_exit( exit_code );
-}
-#endif /* MBEDTLS_AES_C && MBEDTLS_DHM_C && MBEDTLS_ENTROPY_C &&
- MBEDTLS_NET_C && MBEDTLS_RSA_C && MBEDTLS_SHA256_C &&
- MBEDTLS_FS_IO && MBEDTLS_CTR_DRBG_C */
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