/** * \file cipher_wrap.c * * \brief Generic cipher wrapper for mbed TLS * * \author Adriaan de Jong * * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved * 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. * * This file is part of mbed TLS (https://tls.mbed.org) */ #if !defined(MBEDTLS_CONFIG_FILE) #include "mbedtls/config.h" #else #include MBEDTLS_CONFIG_FILE #endif #if defined(MBEDTLS_CIPHER_C) #include "mbedtls/cipher_internal.h" #if defined(MBEDTLS_AES_C) #include "mbedtls/aes.h" #endif #if defined(MBEDTLS_ARC4_C) #include "mbedtls/arc4.h" #endif #if defined(MBEDTLS_CAMELLIA_C) #include "mbedtls/camellia.h" #endif #if defined(MBEDTLS_DES_C) #include "mbedtls/des.h" #endif #if defined(MBEDTLS_BLOWFISH_C) #include "mbedtls/blowfish.h" #endif #if defined(MBEDTLS_GCM_C) #include "mbedtls/gcm.h" #endif #if defined(MBEDTLS_CCM_C) #include "mbedtls/ccm.h" #endif #if defined(MBEDTLS_CIPHER_NULL_CIPHER) #include #endif #if defined(MBEDTLS_PLATFORM_C) #include "mbedtls/platform.h" #else #include #define mbedtls_calloc calloc #define mbedtls_free free #endif #if defined(MBEDTLS_GCM_C) /* shared by all GCM ciphers */ static void *gcm_ctx_alloc( void ) { void *ctx = mbedtls_calloc( 1, sizeof( mbedtls_gcm_context ) ); if( ctx != NULL ) mbedtls_gcm_init( (mbedtls_gcm_context *) ctx ); return( ctx ); } static void gcm_ctx_free( void *ctx ) { mbedtls_gcm_free( ctx ); mbedtls_free( ctx ); } #endif /* MBEDTLS_GCM_C */ #if defined(MBEDTLS_CCM_C) /* shared by all CCM ciphers */ static void *ccm_ctx_alloc( void ) { void *ctx = mbedtls_calloc( 1, sizeof( mbedtls_ccm_context ) ); if( ctx != NULL ) mbedtls_ccm_init( (mbedtls_ccm_context *) ctx ); return( ctx ); } static void ccm_ctx_free( void *ctx ) { mbedtls_ccm_free( ctx ); mbedtls_free( ctx ); } #endif /* MBEDTLS_CCM_C */ #if defined(MBEDTLS_AES_C) static int aes_crypt_ecb_wrap( void *ctx, mbedtls_operation_t operation, const unsigned char *input, unsigned char *output ) { return mbedtls_aes_crypt_ecb( (mbedtls_aes_context *) ctx, operation, input, output ); } #if defined(MBEDTLS_CIPHER_MODE_CBC) static int aes_crypt_cbc_wrap( void *ctx, mbedtls_operation_t operation, size_t length, unsigned char *iv, const unsigned char *input, unsigned char *output ) { return mbedtls_aes_crypt_cbc( (mbedtls_aes_context *) ctx, operation, length, iv, input, output ); } #endif /* MBEDTLS_CIPHER_MODE_CBC */ #if defined(MBEDTLS_CIPHER_MODE_CFB) static int aes_crypt_cfb128_wrap( void *ctx, mbedtls_operation_t operation, size_t length, size_t *iv_off, unsigned char *iv, const unsigned char *input, unsigned char *output ) { return mbedtls_aes_crypt_cfb128( (mbedtls_aes_context *) ctx, operation, length, iv_off, iv, input, output ); } #endif /* MBEDTLS_CIPHER_MODE_CFB */ #if defined(MBEDTLS_CIPHER_MODE_CTR) static int aes_crypt_ctr_wrap( void *ctx, size_t length, size_t *nc_off, unsigned char *nonce_counter, unsigned char *stream_block, const unsigned char *input, unsigned char *output ) { return mbedtls_aes_crypt_ctr( (mbedtls_aes_context *) ctx, length, nc_off, nonce_counter, stream_block, input, output ); } #endif /* MBEDTLS_CIPHER_MODE_CTR */ #if defined(MBEDTLS_CIPHER_MODE_XTS) static int aes_crypt_xts_wrap( void *ctx, mbedtls_operation_t operation, size_t length, const unsigned char data_unit[16], const unsigned char *input, unsigned char *output ) { mbedtls_aes_xts_context *xts_ctx = ctx; int mode; switch (operation) { case MBEDTLS_ENCRYPT: mode = MBEDTLS_AES_ENCRYPT; break; case MBEDTLS_DECRYPT: mode = MBEDTLS_AES_DECRYPT; break; default: return MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA; } return mbedtls_aes_crypt_xts( xts_ctx, mode, length, data_unit, input, output ); } #endif /* MBEDTLS_CIPHER_MODE_XTS */ static int aes_setkey_dec_wrap( void *ctx, const unsigned char *key, unsigned int key_bitlen ) { return mbedtls_aes_setkey_dec( (mbedtls_aes_context *) ctx, key, key_bitlen ); } static int aes_setkey_enc_wrap( void *ctx, const unsigned char *key, unsigned int key_bitlen ) { return mbedtls_aes_setkey_enc( (mbedtls_aes_context *) ctx, key, key_bitlen ); } static void * aes_ctx_alloc( void ) { mbedtls_aes_context *aes = mbedtls_calloc( 1, sizeof( mbedtls_aes_context ) ); if( aes == NULL ) return( NULL ); mbedtls_aes_init( aes ); return( aes ); } static void aes_ctx_free( void *ctx ) { mbedtls_aes_free( (mbedtls_aes_context *) ctx ); mbedtls_free( ctx ); } static const mbedtls_cipher_base_t aes_info = { MBEDTLS_CIPHER_ID_AES, aes_crypt_ecb_wrap, #if defined(MBEDTLS_CIPHER_MODE_CBC) aes_crypt_cbc_wrap, #endif #if defined(MBEDTLS_CIPHER_MODE_CFB) aes_crypt_cfb128_wrap, #endif #if defined(MBEDTLS_CIPHER_MODE_CTR) aes_crypt_ctr_wrap, #endif #if defined(MBEDTLS_CIPHER_MODE_XTS) NULL, #endif #if defined(MBEDTLS_CIPHER_MODE_STREAM) NULL, #endif aes_setkey_enc_wrap, aes_setkey_dec_wrap, aes_ctx_alloc, aes_ctx_free }; static const mbedtls_cipher_info_t aes_128_ecb_info = { MBEDTLS_CIPHER_AES_128_ECB, MBEDTLS_MODE_ECB, 128, "AES-128-ECB", 16, 0, 16, &aes_info }; static const mbedtls_cipher_info_t aes_192_ecb_info = { MBEDTLS_CIPHER_AES_192_ECB, MBEDTLS_MODE_ECB, 192, "AES-192-ECB", 16, 0, 16, &aes_info }; static const mbedtls_cipher_info_t aes_256_ecb_info = { MBEDTLS_CIPHER_AES_256_ECB, MBEDTLS_MODE_ECB, 256, "AES-256-ECB", 16, 0, 16, &aes_info }; #if defined(MBEDTLS_CIPHER_MODE_CBC) static const mbedtls_cipher_info_t aes_128_cbc_info = { MBEDTLS_CIPHER_AES_128_CBC, MBEDTLS_MODE_CBC, 128, "AES-128-CBC", 16, 0, 16, &aes_info }; static const mbedtls_cipher_info_t aes_192_cbc_info = { MBEDTLS_CIPHER_AES_192_CBC, MBEDTLS_MODE_CBC, 192, "AES-192-CBC", 16, 0, 16, &aes_info }; static const mbedtls_cipher_info_t aes_256_cbc_info = { MBEDTLS_CIPHER_AES_256_CBC, MBEDTLS_MODE_CBC, 256, "AES-256-CBC", 16, 0, 16, &aes_info }; #endif /* MBEDTLS_CIPHER_MODE_CBC */ #if defined(MBEDTLS_CIPHER_MODE_CFB) static const mbedtls_cipher_info_t aes_128_cfb128_info = { MBEDTLS_CIPHER_AES_128_CFB128, MBEDTLS_MODE_CFB, 128, "AES-128-CFB128", 16, 0, 16, &aes_info }; static const mbedtls_cipher_info_t aes_192_cfb128_info = { MBEDTLS_CIPHER_AES_192_CFB128, MBEDTLS_MODE_CFB, 192, "AES-192-CFB128", 16, 0, 16, &aes_info }; static const mbedtls_cipher_info_t aes_256_cfb128_info = { MBEDTLS_CIPHER_AES_256_CFB128, MBEDTLS_MODE_CFB, 256, "AES-256-CFB128", 16, 0, 16, &aes_info }; #endif /* MBEDTLS_CIPHER_MODE_CFB */ #if defined(MBEDTLS_CIPHER_MODE_CTR) static const mbedtls_cipher_info_t aes_128_ctr_info = { MBEDTLS_CIPHER_AES_128_CTR, MBEDTLS_MODE_CTR, 128, "AES-128-CTR", 16, 0, 16, &aes_info }; static const mbedtls_cipher_info_t aes_192_ctr_info = { MBEDTLS_CIPHER_AES_192_CTR, MBEDTLS_MODE_CTR, 192, "AES-192-CTR", 16, 0, 16, &aes_info }; static const mbedtls_cipher_info_t aes_256_ctr_info = { MBEDTLS_CIPHER_AES_256_CTR, MBEDTLS_MODE_CTR, 256, "AES-256-CTR", 16, 0, 16, &aes_info }; #endif /* MBEDTLS_CIPHER_MODE_CTR */ #if defined(MBEDTLS_CIPHER_MODE_XTS) static int xts_aes_setkey_enc_wrap( void *ctx, const unsigned char *key, unsigned int key_bitlen ) { mbedtls_aes_xts_context *xts_ctx = ctx; return( mbedtls_aes_xts_setkey_enc( xts_ctx, key, key_bitlen ) ); } static int xts_aes_setkey_dec_wrap( void *ctx, const unsigned char *key, unsigned int key_bitlen ) { mbedtls_aes_xts_context *xts_ctx = ctx; return( mbedtls_aes_xts_setkey_dec( xts_ctx, key, key_bitlen ) ); } static void *xts_aes_ctx_alloc( void ) { mbedtls_aes_xts_context *xts_ctx = mbedtls_calloc( 1, sizeof( *xts_ctx ) ); if( xts_ctx ) mbedtls_aes_xts_init( xts_ctx ); return( xts_ctx ); } static void xts_aes_ctx_free( void *ctx ) { mbedtls_aes_xts_context *xts_ctx = ctx; if ( !xts_ctx ) return; mbedtls_aes_xts_free( xts_ctx ); mbedtls_free( xts_ctx ); } static const mbedtls_cipher_base_t xts_aes_info = { MBEDTLS_CIPHER_ID_AES, NULL, #if defined(MBEDTLS_CIPHER_MODE_CBC) NULL, #endif #if defined(MBEDTLS_CIPHER_MODE_CFB) NULL, #endif #if defined(MBEDTLS_CIPHER_MODE_CTR) NULL, #endif #if defined(MBEDTLS_CIPHER_MODE_XTS) aes_crypt_xts_wrap, #endif #if defined(MBEDTLS_CIPHER_MODE_STREAM) NULL, #endif xts_aes_setkey_enc_wrap, xts_aes_setkey_dec_wrap, xts_aes_ctx_alloc, xts_aes_ctx_free }; static const mbedtls_cipher_info_t aes_128_xts_info = { MBEDTLS_CIPHER_AES_128_XTS, MBEDTLS_MODE_XTS, 256, "AES-128-XTS", 16, 0, 16, &xts_aes_info }; static const mbedtls_cipher_info_t aes_256_xts_info = { MBEDTLS_CIPHER_AES_256_XTS, MBEDTLS_MODE_XTS, 512, "AES-256-XTS", 16, 0, 16, &xts_aes_info }; #endif /* MBEDTLS_CIPHER_MODE_XTS */ #if defined(MBEDTLS_GCM_C) static int gcm_aes_setkey_wrap( void *ctx, const unsigned char *key, unsigned int key_bitlen ) { return mbedtls_gcm_setkey( (mbedtls_gcm_context *) ctx, MBEDTLS_CIPHER_ID_AES, key, key_bitlen ); } static const mbedtls_cipher_base_t gcm_aes_info = { MBEDTLS_CIPHER_ID_AES, NULL, #if defined(MBEDTLS_CIPHER_MODE_CBC) NULL, #endif #if defined(MBEDTLS_CIPHER_MODE_CFB) NULL, #endif #if defined(MBEDTLS_CIPHER_MODE_CTR) NULL, #endif #if defined(MBEDTLS_CIPHER_MODE_XTS) NULL, #endif #if defined(MBEDTLS_CIPHER_MODE_STREAM) NULL, #endif gcm_aes_setkey_wrap, gcm_aes_setkey_wrap, gcm_ctx_alloc, gcm_ctx_free, }; static const mbedtls_cipher_info_t aes_128_gcm_info = { MBEDTLS_CIPHER_AES_128_GCM, MBEDTLS_MODE_GCM, 128, "AES-128-GCM", 12, MBEDTLS_CIPHER_VARIABLE_IV_LEN, 16, &gcm_aes_info }; static const mbedtls_cipher_info_t aes_192_gcm_info = { MBEDTLS_CIPHER_AES_192_GCM, MBEDTLS_MODE_GCM, 192, "AES-192-GCM", 12, MBEDTLS_CIPHER_VARIABLE_IV_LEN, 16, &gcm_aes_info }; static const mbedtls_cipher_info_t aes_256_gcm_info = { MBEDTLS_CIPHER_AES_256_GCM, MBEDTLS_MODE_GCM, 256, "AES-256-GCM", 12, MBEDTLS_CIPHER_VARIABLE_IV_LEN, 16, &gcm_aes_info }; #endif /* MBEDTLS_GCM_C */ #if defined(MBEDTLS_CCM_C) static int ccm_aes_setkey_wrap( void *ctx, const unsigned char *key, unsigned int key_bitlen ) { return mbedtls_ccm_setkey( (mbedtls_ccm_context *) ctx, MBEDTLS_CIPHER_ID_AES, key, key_bitlen ); } static const mbedtls_cipher_base_t ccm_aes_info = { MBEDTLS_CIPHER_ID_AES, NULL, #if defined(MBEDTLS_CIPHER_MODE_CBC) NULL, #endif #if defined(MBEDTLS_CIPHER_MODE_CFB) NULL, #endif #if defined(MBEDTLS_CIPHER_MODE_CTR) NULL, #endif #if defined(MBEDTLS_CIPHER_MODE_XTS) NULL, #endif #if defined(MBEDTLS_CIPHER_MODE_STREAM) NULL, #endif ccm_aes_setkey_wrap, ccm_aes_setkey_wrap, ccm_ctx_alloc, ccm_ctx_free, }; static const mbedtls_cipher_info_t aes_128_ccm_info = { MBEDTLS_CIPHER_AES_128_CCM, MBEDTLS_MODE_CCM, 128, "AES-128-CCM", 12, MBEDTLS_CIPHER_VARIABLE_IV_LEN, 16, &ccm_aes_info }; static const mbedtls_cipher_info_t aes_192_ccm_info = { MBEDTLS_CIPHER_AES_192_CCM, MBEDTLS_MODE_CCM, 192, "AES-192-CCM", 12, MBEDTLS_CIPHER_VARIABLE_IV_LEN, 16, &ccm_aes_info }; static const mbedtls_cipher_info_t aes_256_ccm_info = { MBEDTLS_CIPHER_AES_256_CCM, MBEDTLS_MODE_CCM, 256, "AES-256-CCM", 12, MBEDTLS_CIPHER_VARIABLE_IV_LEN, 16, &ccm_aes_info }; #endif /* MBEDTLS_CCM_C */ #endif /* MBEDTLS_AES_C */ #if defined(MBEDTLS_CAMELLIA_C) static int camellia_crypt_ecb_wrap( void *ctx, mbedtls_operation_t operation, const unsigned char *input, unsigned char *output ) { return mbedtls_camellia_crypt_ecb( (mbedtls_camellia_context *) ctx, operation, input, output ); } #if defined(MBEDTLS_CIPHER_MODE_CBC) static int camellia_crypt_cbc_wrap( void *ctx, mbedtls_operation_t operation, size_t length, unsigned char *iv, const unsigned char *input, unsigned char *output ) { return mbedtls_camellia_crypt_cbc( (mbedtls_camellia_context *) ctx, operation, length, iv, input, output ); } #endif /* MBEDTLS_CIPHER_MODE_CBC */ #if defined(MBEDTLS_CIPHER_MODE_CFB) static int camellia_crypt_cfb128_wrap( void *ctx, mbedtls_operation_t operation, size_t length, size_t *iv_off, unsigned char *iv, const unsigned char *input, unsigned char *output ) { return mbedtls_camellia_crypt_cfb128( (mbedtls_camellia_context *) ctx, operation, length, iv_off, iv, input, output ); } #endif /* MBEDTLS_CIPHER_MODE_CFB */ #if defined(MBEDTLS_CIPHER_MODE_CTR) static int camellia_crypt_ctr_wrap( void *ctx, size_t length, size_t *nc_off, unsigned char *nonce_counter, unsigned char *stream_block, const unsigned char *input, unsigned char *output ) { return mbedtls_camellia_crypt_ctr( (mbedtls_camellia_context *) ctx, length, nc_off, nonce_counter, stream_block, input, output ); } #endif /* MBEDTLS_CIPHER_MODE_CTR */ static int camellia_setkey_dec_wrap( void *ctx, const unsigned char *key, unsigned int key_bitlen ) { return mbedtls_camellia_setkey_dec( (mbedtls_camellia_context *) ctx, key, key_bitlen ); } static int camellia_setkey_enc_wrap( void *ctx, const unsigned char *key, unsigned int key_bitlen ) { return mbedtls_camellia_setkey_enc( (mbedtls_camellia_context *) ctx, key, key_bitlen ); } static void * camellia_ctx_alloc( void ) { mbedtls_camellia_context *ctx; ctx = mbedtls_calloc( 1, sizeof( mbedtls_camellia_context ) ); if( ctx == NULL ) return( NULL ); mbedtls_camellia_init( ctx ); return( ctx ); } static void camellia_ctx_free( void *ctx ) { mbedtls_camellia_free( (mbedtls_camellia_context *) ctx ); mbedtls_free( ctx ); } static const mbedtls_cipher_base_t camellia_info = { MBEDTLS_CIPHER_ID_CAMELLIA, camellia_crypt_ecb_wrap, #if defined(MBEDTLS_CIPHER_MODE_CBC) camellia_crypt_cbc_wrap, #endif #if defined(MBEDTLS_CIPHER_MODE_CFB) camellia_crypt_cfb128_wrap, #endif #if defined(MBEDTLS_CIPHER_MODE_CTR) camellia_crypt_ctr_wrap, #endif #if defined(MBEDTLS_CIPHER_MODE_XTS) NULL, #endif #if defined(MBEDTLS_CIPHER_MODE_STREAM) NULL, #endif camellia_setkey_enc_wrap, camellia_setkey_dec_wrap, camellia_ctx_alloc, camellia_ctx_free }; static const mbedtls_cipher_info_t camellia_128_ecb_info = { MBEDTLS_CIPHER_CAMELLIA_128_ECB, MBEDTLS_MODE_ECB, 128, "CAMELLIA-128-ECB", 16, 0, 16, &camellia_info }; static const mbedtls_cipher_info_t camellia_192_ecb_info = { MBEDTLS_CIPHER_CAMELLIA_192_ECB, MBEDTLS_MODE_ECB, 192, "CAMELLIA-192-ECB", 16, 0, 16, &camellia_info }; static const mbedtls_cipher_info_t camellia_256_ecb_info = { MBEDTLS_CIPHER_CAMELLIA_256_ECB, MBEDTLS_MODE_ECB, 256, "CAMELLIA-256-ECB", 16, 0, 16, &camellia_info }; #if defined(MBEDTLS_CIPHER_MODE_CBC) static const mbedtls_cipher_info_t camellia_128_cbc_info = { MBEDTLS_CIPHER_CAMELLIA_128_CBC, MBEDTLS_MODE_CBC, 128, "CAMELLIA-128-CBC", 16, 0, 16, &camellia_info }; static const mbedtls_cipher_info_t camellia_192_cbc_info = { MBEDTLS_CIPHER_CAMELLIA_192_CBC, MBEDTLS_MODE_CBC, 192, "CAMELLIA-192-CBC", 16, 0, 16, &camellia_info }; static const mbedtls_cipher_info_t camellia_256_cbc_info = { MBEDTLS_CIPHER_CAMELLIA_256_CBC, MBEDTLS_MODE_CBC, 256, "CAMELLIA-256-CBC", 16, 0, 16, &camellia_info }; #endif /* MBEDTLS_CIPHER_MODE_CBC */ #if defined(MBEDTLS_CIPHER_MODE_CFB) static const mbedtls_cipher_info_t camellia_128_cfb128_info = { MBEDTLS_CIPHER_CAMELLIA_128_CFB128, MBEDTLS_MODE_CFB, 128, "CAMELLIA-128-CFB128", 16, 0, 16, &camellia_info }; static const mbedtls_cipher_info_t camellia_192_cfb128_info = { MBEDTLS_CIPHER_CAMELLIA_192_CFB128, MBEDTLS_MODE_CFB, 192, "CAMELLIA-192-CFB128", 16, 0, 16, &camellia_info }; static const mbedtls_cipher_info_t camellia_256_cfb128_info = { MBEDTLS_CIPHER_CAMELLIA_256_CFB128, MBEDTLS_MODE_CFB, 256, "CAMELLIA-256-CFB128", 16, 0, 16, &camellia_info }; #endif /* MBEDTLS_CIPHER_MODE_CFB */ #if defined(MBEDTLS_CIPHER_MODE_CTR) static const mbedtls_cipher_info_t camellia_128_ctr_info = { MBEDTLS_CIPHER_CAMELLIA_128_CTR, MBEDTLS_MODE_CTR, 128, "CAMELLIA-128-CTR", 16, 0, 16, &camellia_info }; static const mbedtls_cipher_info_t camellia_192_ctr_info = { MBEDTLS_CIPHER_CAMELLIA_192_CTR, MBEDTLS_MODE_CTR, 192, "CAMELLIA-192-CTR", 16, 0, 16, &camellia_info }; static const mbedtls_cipher_info_t camellia_256_ctr_info = { MBEDTLS_CIPHER_CAMELLIA_256_CTR, MBEDTLS_MODE_CTR, 256, "CAMELLIA-256-CTR", 16, 0, 16, &camellia_info }; #endif /* MBEDTLS_CIPHER_MODE_CTR */ #if defined(MBEDTLS_GCM_C) static int gcm_camellia_setkey_wrap( void *ctx, const unsigned char *key, unsigned int key_bitlen ) { return mbedtls_gcm_setkey( (mbedtls_gcm_context *) ctx, MBEDTLS_CIPHER_ID_CAMELLIA, key, key_bitlen ); } static const mbedtls_cipher_base_t gcm_camellia_info = { MBEDTLS_CIPHER_ID_CAMELLIA, NULL, #if defined(MBEDTLS_CIPHER_MODE_CBC) NULL, #endif #if defined(MBEDTLS_CIPHER_MODE_CFB) NULL, #endif #if defined(MBEDTLS_CIPHER_MODE_CTR) NULL, #endif #if defined(MBEDTLS_CIPHER_MODE_XTS) NULL, #endif #if defined(MBEDTLS_CIPHER_MODE_STREAM) NULL, #endif gcm_camellia_setkey_wrap, gcm_camellia_setkey_wrap, gcm_ctx_alloc, gcm_ctx_free, }; static const mbedtls_cipher_info_t camellia_128_gcm_info = { MBEDTLS_CIPHER_CAMELLIA_128_GCM, MBEDTLS_MODE_GCM, 128, "CAMELLIA-128-GCM", 12, MBEDTLS_CIPHER_VARIABLE_IV_LEN, 16, &gcm_camellia_info }; static const mbedtls_cipher_info_t camellia_192_gcm_info = { MBEDTLS_CIPHER_CAMELLIA_192_GCM, MBEDTLS_MODE_GCM, 192, "CAMELLIA-192-GCM", 12, MBEDTLS_CIPHER_VARIABLE_IV_LEN, 16, &gcm_camellia_info }; static const mbedtls_cipher_info_t camellia_256_gcm_info = { MBEDTLS_CIPHER_CAMELLIA_256_GCM, MBEDTLS_MODE_GCM, 256, "CAMELLIA-256-GCM", 12, MBEDTLS_CIPHER_VARIABLE_IV_LEN, 16, &gcm_camellia_info }; #endif /* MBEDTLS_GCM_C */ #if defined(MBEDTLS_CCM_C) static int ccm_camellia_setkey_wrap( void *ctx, const unsigned char *key, unsigned int key_bitlen ) { return mbedtls_ccm_setkey( (mbedtls_ccm_context *) ctx, MBEDTLS_CIPHER_ID_CAMELLIA, key, key_bitlen ); } static const mbedtls_cipher_base_t ccm_camellia_info = { MBEDTLS_CIPHER_ID_CAMELLIA, NULL, #if defined(MBEDTLS_CIPHER_MODE_CBC) NULL, #endif #if defined(MBEDTLS_CIPHER_MODE_CFB) NULL, #endif #if defined(MBEDTLS_CIPHER_MODE_CTR) NULL, #endif #if defined(MBEDTLS_CIPHER_MODE_XTS) NULL, #endif #if defined(MBEDTLS_CIPHER_MODE_STREAM) NULL, #endif ccm_camellia_setkey_wrap, ccm_camellia_setkey_wrap, ccm_ctx_alloc, ccm_ctx_free, }; static const mbedtls_cipher_info_t camellia_128_ccm_info = { MBEDTLS_CIPHER_CAMELLIA_128_CCM, MBEDTLS_MODE_CCM, 128, "CAMELLIA-128-CCM", 12, MBEDTLS_CIPHER_VARIABLE_IV_LEN, 16, &ccm_camellia_info }; static const mbedtls_cipher_info_t camellia_192_ccm_info = { MBEDTLS_CIPHER_CAMELLIA_192_CCM, MBEDTLS_MODE_CCM, 192, "CAMELLIA-192-CCM", 12, MBEDTLS_CIPHER_VARIABLE_IV_LEN, 16, &ccm_camellia_info }; static const mbedtls_cipher_info_t camellia_256_ccm_info = { MBEDTLS_CIPHER_CAMELLIA_256_CCM, MBEDTLS_MODE_CCM, 256, "CAMELLIA-256-CCM", 12, MBEDTLS_CIPHER_VARIABLE_IV_LEN, 16, &ccm_camellia_info }; #endif /* MBEDTLS_CCM_C */ #endif /* MBEDTLS_CAMELLIA_C */ #if defined(MBEDTLS_DES_C) static int des_crypt_ecb_wrap( void *ctx, mbedtls_operation_t operation, const unsigned char *input, unsigned char *output ) { ((void) operation); return mbedtls_des_crypt_ecb( (mbedtls_des_context *) ctx, input, output ); } static int des3_crypt_ecb_wrap( void *ctx, mbedtls_operation_t operation, const unsigned char *input, unsigned char *output ) { ((void) operation); return mbedtls_des3_crypt_ecb( (mbedtls_des3_context *) ctx, input, output ); } #if defined(MBEDTLS_CIPHER_MODE_CBC) static int des_crypt_cbc_wrap( void *ctx, mbedtls_operation_t operation, size_t length, unsigned char *iv, const unsigned char *input, unsigned char *output ) { return mbedtls_des_crypt_cbc( (mbedtls_des_context *) ctx, operation, length, iv, input, output ); } #endif /* MBEDTLS_CIPHER_MODE_CBC */ #if defined(MBEDTLS_CIPHER_MODE_CBC) static int des3_crypt_cbc_wrap( void *ctx, mbedtls_operation_t operation, size_t length, unsigned char *iv, const unsigned char *input, unsigned char *output ) { return mbedtls_des3_crypt_cbc( (mbedtls_des3_context *) ctx, operation, length, iv, input, output ); } #endif /* MBEDTLS_CIPHER_MODE_CBC */ static int des_setkey_dec_wrap( void *ctx, const unsigned char *key, unsigned int key_bitlen ) { ((void) key_bitlen); return mbedtls_des_setkey_dec( (mbedtls_des_context *) ctx, key ); } static int des_setkey_enc_wrap( void *ctx, const unsigned char *key, unsigned int key_bitlen ) { ((void) key_bitlen); return mbedtls_des_setkey_enc( (mbedtls_des_context *) ctx, key ); } static int des3_set2key_dec_wrap( void *ctx, const unsigned char *key, unsigned int key_bitlen ) { ((void) key_bitlen); return mbedtls_des3_set2key_dec( (mbedtls_des3_context *) ctx, key ); } static int des3_set2key_enc_wrap( void *ctx, const unsigned char *key, unsigned int key_bitlen ) { ((void) key_bitlen); return mbedtls_des3_set2key_enc( (mbedtls_des3_context *) ctx, key ); } static int des3_set3key_dec_wrap( void *ctx, const unsigned char *key, unsigned int key_bitlen ) { ((void) key_bitlen); return mbedtls_des3_set3key_dec( (mbedtls_des3_context *) ctx, key ); } static int des3_set3key_enc_wrap( void *ctx, const unsigned char *key, unsigned int key_bitlen ) { ((void) key_bitlen); return mbedtls_des3_set3key_enc( (mbedtls_des3_context *) ctx, key ); } static void * des_ctx_alloc( void ) { mbedtls_des_context *des = mbedtls_calloc( 1, sizeof( mbedtls_des_context ) ); if( des == NULL ) return( NULL ); mbedtls_des_init( des ); return( des ); } static void des_ctx_free( void *ctx ) { mbedtls_des_free( (mbedtls_des_context *) ctx ); mbedtls_free( ctx ); } static void * des3_ctx_alloc( void ) { mbedtls_des3_context *des3; des3 = mbedtls_calloc( 1, sizeof( mbedtls_des3_context ) ); if( des3 == NULL ) return( NULL ); mbedtls_des3_init( des3 ); return( des3 ); } static void des3_ctx_free( void *ctx ) { mbedtls_des3_free( (mbedtls_des3_context *) ctx ); mbedtls_free( ctx ); } static const mbedtls_cipher_base_t des_info = { MBEDTLS_CIPHER_ID_DES, des_crypt_ecb_wrap, #if defined(MBEDTLS_CIPHER_MODE_CBC) des_crypt_cbc_wrap, #endif #if defined(MBEDTLS_CIPHER_MODE_CFB) NULL, #endif #if defined(MBEDTLS_CIPHER_MODE_CTR) NULL, #endif #if defined(MBEDTLS_CIPHER_MODE_XTS) NULL, #endif #if defined(MBEDTLS_CIPHER_MODE_STREAM) NULL, #endif des_setkey_enc_wrap, des_setkey_dec_wrap, des_ctx_alloc, des_ctx_free }; static const mbedtls_cipher_info_t des_ecb_info = { MBEDTLS_CIPHER_DES_ECB, MBEDTLS_MODE_ECB, MBEDTLS_KEY_LENGTH_DES, "DES-ECB", 8, 0, 8, &des_info }; #if defined(MBEDTLS_CIPHER_MODE_CBC) static const mbedtls_cipher_info_t des_cbc_info = { MBEDTLS_CIPHER_DES_CBC, MBEDTLS_MODE_CBC, MBEDTLS_KEY_LENGTH_DES, "DES-CBC", 8, 0, 8, &des_info }; #endif /* MBEDTLS_CIPHER_MODE_CBC */ static const mbedtls_cipher_base_t des_ede_info = { MBEDTLS_CIPHER_ID_DES, des3_crypt_ecb_wrap, #if defined(MBEDTLS_CIPHER_MODE_CBC) des3_crypt_cbc_wrap, #endif #if defined(MBEDTLS_CIPHER_MODE_CFB) NULL, #endif #if defined(MBEDTLS_CIPHER_MODE_CTR) NULL, #endif #if defined(MBEDTLS_CIPHER_MODE_XTS) NULL, #endif #if defined(MBEDTLS_CIPHER_MODE_STREAM) NULL, #endif des3_set2key_enc_wrap, des3_set2key_dec_wrap, des3_ctx_alloc, des3_ctx_free }; static const mbedtls_cipher_info_t des_ede_ecb_info = { MBEDTLS_CIPHER_DES_EDE_ECB, MBEDTLS_MODE_ECB, MBEDTLS_KEY_LENGTH_DES_EDE, "DES-EDE-ECB", 8, 0, 8, &des_ede_info }; #if defined(MBEDTLS_CIPHER_MODE_CBC) static const mbedtls_cipher_info_t des_ede_cbc_info = { MBEDTLS_CIPHER_DES_EDE_CBC, MBEDTLS_MODE_CBC, MBEDTLS_KEY_LENGTH_DES_EDE, "DES-EDE-CBC", 8, 0, 8, &des_ede_info }; #endif /* MBEDTLS_CIPHER_MODE_CBC */ static const mbedtls_cipher_base_t des_ede3_info = { MBEDTLS_CIPHER_ID_3DES, des3_crypt_ecb_wrap, #if defined(MBEDTLS_CIPHER_MODE_CBC) des3_crypt_cbc_wrap, #endif #if defined(MBEDTLS_CIPHER_MODE_CFB) NULL, #endif #if defined(MBEDTLS_CIPHER_MODE_CTR) NULL, #endif #if defined(MBEDTLS_CIPHER_MODE_XTS) NULL, #endif #if defined(MBEDTLS_CIPHER_MODE_STREAM) NULL, #endif des3_set3key_enc_wrap, des3_set3key_dec_wrap, des3_ctx_alloc, des3_ctx_free }; static const mbedtls_cipher_info_t des_ede3_ecb_info = { MBEDTLS_CIPHER_DES_EDE3_ECB, MBEDTLS_MODE_ECB, MBEDTLS_KEY_LENGTH_DES_EDE3, "DES-EDE3-ECB", 8, 0, 8, &des_ede3_info }; #if defined(MBEDTLS_CIPHER_MODE_CBC) static const mbedtls_cipher_info_t des_ede3_cbc_info = { MBEDTLS_CIPHER_DES_EDE3_CBC, MBEDTLS_MODE_CBC, MBEDTLS_KEY_LENGTH_DES_EDE3, "DES-EDE3-CBC", 8, 0, 8, &des_ede3_info }; #endif /* MBEDTLS_CIPHER_MODE_CBC */ #endif /* MBEDTLS_DES_C */ #if defined(MBEDTLS_BLOWFISH_C) static int blowfish_crypt_ecb_wrap( void *ctx, mbedtls_operation_t operation, const unsigned char *input, unsigned char *output ) { return mbedtls_blowfish_crypt_ecb( (mbedtls_blowfish_context *) ctx, operation, input, output ); } #if defined(MBEDTLS_CIPHER_MODE_CBC) static int blowfish_crypt_cbc_wrap( void *ctx, mbedtls_operation_t operation, size_t length, unsigned char *iv, const unsigned char *input, unsigned char *output ) { return mbedtls_blowfish_crypt_cbc( (mbedtls_blowfish_context *) ctx, operation, length, iv, input, output ); } #endif /* MBEDTLS_CIPHER_MODE_CBC */ #if defined(MBEDTLS_CIPHER_MODE_CFB) static int blowfish_crypt_cfb64_wrap( void *ctx, mbedtls_operation_t operation, size_t length, size_t *iv_off, unsigned char *iv, const unsigned char *input, unsigned char *output ) { return mbedtls_blowfish_crypt_cfb64( (mbedtls_blowfish_context *) ctx, operation, length, iv_off, iv, input, output ); } #endif /* MBEDTLS_CIPHER_MODE_CFB */ #if defined(MBEDTLS_CIPHER_MODE_CTR) static int blowfish_crypt_ctr_wrap( void *ctx, size_t length, size_t *nc_off, unsigned char *nonce_counter, unsigned char *stream_block, const unsigned char *input, unsigned char *output ) { return mbedtls_blowfish_crypt_ctr( (mbedtls_blowfish_context *) ctx, length, nc_off, nonce_counter, stream_block, input, output ); } #endif /* MBEDTLS_CIPHER_MODE_CTR */ static int blowfish_setkey_wrap( void *ctx, const unsigned char *key, unsigned int key_bitlen ) { return mbedtls_blowfish_setkey( (mbedtls_blowfish_context *) ctx, key, key_bitlen ); } static void * blowfish_ctx_alloc( void ) { mbedtls_blowfish_context *ctx; ctx = mbedtls_calloc( 1, sizeof( mbedtls_blowfish_context ) ); if( ctx == NULL ) return( NULL ); mbedtls_blowfish_init( ctx ); return( ctx ); } static void blowfish_ctx_free( void *ctx ) { mbedtls_blowfish_free( (mbedtls_blowfish_context *) ctx ); mbedtls_free( ctx ); } static const mbedtls_cipher_base_t blowfish_info = { MBEDTLS_CIPHER_ID_BLOWFISH, blowfish_crypt_ecb_wrap, #if defined(MBEDTLS_CIPHER_MODE_CBC) blowfish_crypt_cbc_wrap, #endif #if defined(MBEDTLS_CIPHER_MODE_CFB) blowfish_crypt_cfb64_wrap, #endif #if defined(MBEDTLS_CIPHER_MODE_CTR) blowfish_crypt_ctr_wrap, #endif #if defined(MBEDTLS_CIPHER_MODE_XTS) NULL, #endif #if defined(MBEDTLS_CIPHER_MODE_STREAM) NULL, #endif blowfish_setkey_wrap, blowfish_setkey_wrap, blowfish_ctx_alloc, blowfish_ctx_free }; static const mbedtls_cipher_info_t blowfish_ecb_info = { MBEDTLS_CIPHER_BLOWFISH_ECB, MBEDTLS_MODE_ECB, 128, "BLOWFISH-ECB", 8, MBEDTLS_CIPHER_VARIABLE_KEY_LEN, 8, &blowfish_info }; #if defined(MBEDTLS_CIPHER_MODE_CBC) static const mbedtls_cipher_info_t blowfish_cbc_info = { MBEDTLS_CIPHER_BLOWFISH_CBC, MBEDTLS_MODE_CBC, 128, "BLOWFISH-CBC", 8, MBEDTLS_CIPHER_VARIABLE_KEY_LEN, 8, &blowfish_info }; #endif /* MBEDTLS_CIPHER_MODE_CBC */ #if defined(MBEDTLS_CIPHER_MODE_CFB) static const mbedtls_cipher_info_t blowfish_cfb64_info = { MBEDTLS_CIPHER_BLOWFISH_CFB64, MBEDTLS_MODE_CFB, 128, "BLOWFISH-CFB64", 8, MBEDTLS_CIPHER_VARIABLE_KEY_LEN, 8, &blowfish_info }; #endif /* MBEDTLS_CIPHER_MODE_CFB */ #if defined(MBEDTLS_CIPHER_MODE_CTR) static const mbedtls_cipher_info_t blowfish_ctr_info = { MBEDTLS_CIPHER_BLOWFISH_CTR, MBEDTLS_MODE_CTR, 128, "BLOWFISH-CTR", 8, MBEDTLS_CIPHER_VARIABLE_KEY_LEN, 8, &blowfish_info }; #endif /* MBEDTLS_CIPHER_MODE_CTR */ #endif /* MBEDTLS_BLOWFISH_C */ #if defined(MBEDTLS_ARC4_C) static int arc4_crypt_stream_wrap( void *ctx, size_t length, const unsigned char *input, unsigned char *output ) { return( mbedtls_arc4_crypt( (mbedtls_arc4_context *) ctx, length, input, output ) ); } static int arc4_setkey_wrap( void *ctx, const unsigned char *key, unsigned int key_bitlen ) { /* we get key_bitlen in bits, arc4 expects it in bytes */ if( key_bitlen % 8 != 0 ) return( MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA ); mbedtls_arc4_setup( (mbedtls_arc4_context *) ctx, key, key_bitlen / 8 ); return( 0 ); } static void * arc4_ctx_alloc( void ) { mbedtls_arc4_context *ctx; ctx = mbedtls_calloc( 1, sizeof( mbedtls_arc4_context ) ); if( ctx == NULL ) return( NULL ); mbedtls_arc4_init( ctx ); return( ctx ); } static void arc4_ctx_free( void *ctx ) { mbedtls_arc4_free( (mbedtls_arc4_context *) ctx ); mbedtls_free( ctx ); } static const mbedtls_cipher_base_t arc4_base_info = { MBEDTLS_CIPHER_ID_ARC4, NULL, #if defined(MBEDTLS_CIPHER_MODE_CBC) NULL, #endif #if defined(MBEDTLS_CIPHER_MODE_CFB) NULL, #endif #if defined(MBEDTLS_CIPHER_MODE_CTR) NULL, #endif #if defined(MBEDTLS_CIPHER_MODE_XTS) NULL, #endif #if defined(MBEDTLS_CIPHER_MODE_STREAM) arc4_crypt_stream_wrap, #endif arc4_setkey_wrap, arc4_setkey_wrap, arc4_ctx_alloc, arc4_ctx_free }; static const mbedtls_cipher_info_t arc4_128_info = { MBEDTLS_CIPHER_ARC4_128, MBEDTLS_MODE_STREAM, 128, "ARC4-128", 0, 0, 1, &arc4_base_info }; #endif /* MBEDTLS_ARC4_C */ #if defined(MBEDTLS_CIPHER_NULL_CIPHER) static int null_crypt_stream( void *ctx, size_t length, const unsigned char *input, unsigned char *output ) { ((void) ctx); memmove( output, input, length ); return( 0 ); } static int null_setkey( void *ctx, const unsigned char *key, unsigned int key_bitlen ) { ((void) ctx); ((void) key); ((void) key_bitlen); return( 0 ); } static void * null_ctx_alloc( void ) { return( (void *) 1 ); } static void null_ctx_free( void *ctx ) { ((void) ctx); } static const mbedtls_cipher_base_t null_base_info = { MBEDTLS_CIPHER_ID_NULL, NULL, #if defined(MBEDTLS_CIPHER_MODE_CBC) NULL, #endif #if defined(MBEDTLS_CIPHER_MODE_CFB) NULL, #endif #if defined(MBEDTLS_CIPHER_MODE_CTR) NULL, #endif #if defined(MBEDTLS_CIPHER_MODE_XTS) NULL, #endif #if defined(MBEDTLS_CIPHER_MODE_STREAM) null_crypt_stream, #endif null_setkey, null_setkey, null_ctx_alloc, null_ctx_free }; static const mbedtls_cipher_info_t null_cipher_info = { MBEDTLS_CIPHER_NULL, MBEDTLS_MODE_STREAM, 0, "NULL", 0, 0, 1, &null_base_info }; #endif /* defined(MBEDTLS_CIPHER_NULL_CIPHER) */ const mbedtls_cipher_definition_t mbedtls_cipher_definitions[] = { #if defined(MBEDTLS_AES_C) { MBEDTLS_CIPHER_AES_128_ECB, &aes_128_ecb_info }, { MBEDTLS_CIPHER_AES_192_ECB, &aes_192_ecb_info }, { MBEDTLS_CIPHER_AES_256_ECB, &aes_256_ecb_info }, #if defined(MBEDTLS_CIPHER_MODE_CBC) { MBEDTLS_CIPHER_AES_128_CBC, &aes_128_cbc_info }, { MBEDTLS_CIPHER_AES_192_CBC, &aes_192_cbc_info }, { MBEDTLS_CIPHER_AES_256_CBC, &aes_256_cbc_info }, #endif #if defined(MBEDTLS_CIPHER_MODE_CFB) { MBEDTLS_CIPHER_AES_128_CFB128, &aes_128_cfb128_info }, { MBEDTLS_CIPHER_AES_192_CFB128, &aes_192_cfb128_info }, { MBEDTLS_CIPHER_AES_256_CFB128, &aes_256_cfb128_info }, #endif #if defined(MBEDTLS_CIPHER_MODE_CTR) { MBEDTLS_CIPHER_AES_128_CTR, &aes_128_ctr_info }, { MBEDTLS_CIPHER_AES_192_CTR, &aes_192_ctr_info }, { MBEDTLS_CIPHER_AES_256_CTR, &aes_256_ctr_info }, #endif #if defined(MBEDTLS_CIPHER_MODE_XTS) { MBEDTLS_CIPHER_AES_128_XTS, &aes_128_xts_info }, { MBEDTLS_CIPHER_AES_256_XTS, &aes_256_xts_info }, #endif #if defined(MBEDTLS_GCM_C) { MBEDTLS_CIPHER_AES_128_GCM, &aes_128_gcm_info }, { MBEDTLS_CIPHER_AES_192_GCM, &aes_192_gcm_info }, { MBEDTLS_CIPHER_AES_256_GCM, &aes_256_gcm_info }, #endif #if defined(MBEDTLS_CCM_C) { MBEDTLS_CIPHER_AES_128_CCM, &aes_128_ccm_info }, { MBEDTLS_CIPHER_AES_192_CCM, &aes_192_ccm_info }, { MBEDTLS_CIPHER_AES_256_CCM, &aes_256_ccm_info }, #endif #endif /* MBEDTLS_AES_C */ #if defined(MBEDTLS_ARC4_C) { MBEDTLS_CIPHER_ARC4_128, &arc4_128_info }, #endif #if defined(MBEDTLS_BLOWFISH_C) { MBEDTLS_CIPHER_BLOWFISH_ECB, &blowfish_ecb_info }, #if defined(MBEDTLS_CIPHER_MODE_CBC) { MBEDTLS_CIPHER_BLOWFISH_CBC, &blowfish_cbc_info }, #endif #if defined(MBEDTLS_CIPHER_MODE_CFB) { MBEDTLS_CIPHER_BLOWFISH_CFB64, &blowfish_cfb64_info }, #endif #if defined(MBEDTLS_CIPHER_MODE_CTR) { MBEDTLS_CIPHER_BLOWFISH_CTR, &blowfish_ctr_info }, #endif #endif /* MBEDTLS_BLOWFISH_C */ #if defined(MBEDTLS_CAMELLIA_C) { MBEDTLS_CIPHER_CAMELLIA_128_ECB, &camellia_128_ecb_info }, { MBEDTLS_CIPHER_CAMELLIA_192_ECB, &camellia_192_ecb_info }, { MBEDTLS_CIPHER_CAMELLIA_256_ECB, &camellia_256_ecb_info }, #if defined(MBEDTLS_CIPHER_MODE_CBC) { MBEDTLS_CIPHER_CAMELLIA_128_CBC, &camellia_128_cbc_info }, { MBEDTLS_CIPHER_CAMELLIA_192_CBC, &camellia_192_cbc_info }, { MBEDTLS_CIPHER_CAMELLIA_256_CBC, &camellia_256_cbc_info }, #endif #if defined(MBEDTLS_CIPHER_MODE_CFB) { MBEDTLS_CIPHER_CAMELLIA_128_CFB128, &camellia_128_cfb128_info }, { MBEDTLS_CIPHER_CAMELLIA_192_CFB128, &camellia_192_cfb128_info }, { MBEDTLS_CIPHER_CAMELLIA_256_CFB128, &camellia_256_cfb128_info }, #endif #if defined(MBEDTLS_CIPHER_MODE_CTR) { MBEDTLS_CIPHER_CAMELLIA_128_CTR, &camellia_128_ctr_info }, { MBEDTLS_CIPHER_CAMELLIA_192_CTR, &camellia_192_ctr_info }, { MBEDTLS_CIPHER_CAMELLIA_256_CTR, &camellia_256_ctr_info }, #endif #if defined(MBEDTLS_GCM_C) { MBEDTLS_CIPHER_CAMELLIA_128_GCM, &camellia_128_gcm_info }, { MBEDTLS_CIPHER_CAMELLIA_192_GCM, &camellia_192_gcm_info }, { MBEDTLS_CIPHER_CAMELLIA_256_GCM, &camellia_256_gcm_info }, #endif #if defined(MBEDTLS_CCM_C) { MBEDTLS_CIPHER_CAMELLIA_128_CCM, &camellia_128_ccm_info }, { MBEDTLS_CIPHER_CAMELLIA_192_CCM, &camellia_192_ccm_info }, { MBEDTLS_CIPHER_CAMELLIA_256_CCM, &camellia_256_ccm_info }, #endif #endif /* MBEDTLS_CAMELLIA_C */ #if defined(MBEDTLS_DES_C) { MBEDTLS_CIPHER_DES_ECB, &des_ecb_info }, { MBEDTLS_CIPHER_DES_EDE_ECB, &des_ede_ecb_info }, { MBEDTLS_CIPHER_DES_EDE3_ECB, &des_ede3_ecb_info }, #if defined(MBEDTLS_CIPHER_MODE_CBC) { MBEDTLS_CIPHER_DES_CBC, &des_cbc_info }, { MBEDTLS_CIPHER_DES_EDE_CBC, &des_ede_cbc_info }, { MBEDTLS_CIPHER_DES_EDE3_CBC, &des_ede3_cbc_info }, #endif #endif /* MBEDTLS_DES_C */ #if defined(MBEDTLS_CIPHER_NULL_CIPHER) { MBEDTLS_CIPHER_NULL, &null_cipher_info }, #endif /* MBEDTLS_CIPHER_NULL_CIPHER */ { MBEDTLS_CIPHER_NONE, NULL } }; #define NUM_CIPHERS sizeof mbedtls_cipher_definitions / sizeof mbedtls_cipher_definitions[0] int mbedtls_cipher_supported[NUM_CIPHERS]; #endif /* MBEDTLS_CIPHER_C */