From 81db488ebe397ddba4e51e04c0719023ef18cf70 Mon Sep 17 00:00:00 2001 From: Michał Cichoń Date: Sun, 6 May 2012 01:46:56 +0200 Subject: Replace axTLS with PolarSSL as it does not handle secure connections well enough. --- polarssl/src/library/cipher_wrap.c | 595 +++++++++++++++++++++++++++++++++++++ 1 file changed, 595 insertions(+) create mode 100644 polarssl/src/library/cipher_wrap.c (limited to 'polarssl/src/library/cipher_wrap.c') diff --git a/polarssl/src/library/cipher_wrap.c b/polarssl/src/library/cipher_wrap.c new file mode 100644 index 0000000..99e5092 --- /dev/null +++ b/polarssl/src/library/cipher_wrap.c @@ -0,0 +1,595 @@ +/** + * \file md_wrap.c + * + * \brief Generic cipher wrapper for PolarSSL + * + * \author Adriaan de Jong + * + * Copyright (C) 2006-2012, Brainspark B.V. + * + * This file is part of PolarSSL (http://www.polarssl.org) + * Lead Maintainer: Paul Bakker + * + * All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#include "polarssl/config.h" + +#if defined(POLARSSL_CIPHER_C) + +#include "polarssl/cipher_wrap.h" + +#if defined(POLARSSL_AES_C) +#include "polarssl/aes.h" +#endif + +#if defined(POLARSSL_CAMELLIA_C) +#include "polarssl/camellia.h" +#endif + +#if defined(POLARSSL_DES_C) +#include "polarssl/des.h" +#endif + +#include + +#if defined(POLARSSL_AES_C) + +int aes_crypt_cbc_wrap( void *ctx, operation_t operation, size_t length, + unsigned char *iv, const unsigned char *input, unsigned char *output ) +{ + return aes_crypt_cbc( (aes_context *) ctx, operation, length, iv, input, output ); +} + +int aes_crypt_cfb128_wrap( void *ctx, operation_t operation, size_t length, + size_t *iv_off, unsigned char *iv, const unsigned char *input, unsigned char *output ) +{ +#if defined(POLARSSL_CIPHER_MODE_CFB) + return aes_crypt_cfb128( (aes_context *) ctx, operation, length, iv_off, iv, input, output ); +#else + ((void) ctx); + ((void) operation); + ((void) length); + ((void) iv_off); + ((void) iv); + ((void) input); + ((void) output); + + return POLARSSL_ERR_CIPHER_FEATURE_UNAVAILABLE; +#endif +} + +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 ) +{ +#if defined(POLARSSL_CIPHER_MODE_CTR) + return aes_crypt_ctr( (aes_context *) ctx, length, nc_off, nonce_counter, + stream_block, input, output ); +#else + ((void) ctx); + ((void) length); + ((void) nc_off); + ((void) nonce_counter); + ((void) stream_block); + ((void) input); + ((void) output); + + return POLARSSL_ERR_CIPHER_FEATURE_UNAVAILABLE; +#endif +} + +int aes_setkey_dec_wrap( void *ctx, const unsigned char *key, unsigned int key_length ) +{ + return aes_setkey_dec( (aes_context *) ctx, key, key_length ); +} + +int aes_setkey_enc_wrap( void *ctx, const unsigned char *key, unsigned int key_length ) +{ + return aes_setkey_enc( (aes_context *) ctx, key, key_length ); +} + +static void * aes_ctx_alloc( void ) +{ + return malloc( sizeof( aes_context ) ); +} + +static void aes_ctx_free( void *ctx ) +{ + free( ctx ); +} + +const cipher_base_t aes_info = { + POLARSSL_CIPHER_ID_AES, + aes_crypt_cbc_wrap, + aes_crypt_cfb128_wrap, + aes_crypt_ctr_wrap, + aes_setkey_enc_wrap, + aes_setkey_dec_wrap, + aes_ctx_alloc, + aes_ctx_free +}; + +const cipher_info_t aes_128_cbc_info = { + POLARSSL_CIPHER_AES_128_CBC, + POLARSSL_MODE_CBC, + 128, + "AES-128-CBC", + 16, + 16, + &aes_info +}; + +const cipher_info_t aes_192_cbc_info = { + POLARSSL_CIPHER_AES_192_CBC, + POLARSSL_MODE_CBC, + 192, + "AES-192-CBC", + 16, + 16, + &aes_info +}; + +const cipher_info_t aes_256_cbc_info = { + POLARSSL_CIPHER_AES_256_CBC, + POLARSSL_MODE_CBC, + 256, + "AES-256-CBC", + 16, + 16, + &aes_info +}; + +#if defined(POLARSSL_CIPHER_MODE_CFB) +const cipher_info_t aes_128_cfb128_info = { + POLARSSL_CIPHER_AES_128_CFB128, + POLARSSL_MODE_CFB128, + 128, + "AES-128-CFB128", + 16, + 16, + &aes_info +}; + +const cipher_info_t aes_192_cfb128_info = { + POLARSSL_CIPHER_AES_192_CFB128, + POLARSSL_MODE_CFB128, + 192, + "AES-192-CFB128", + 16, + 16, + &aes_info +}; + +const cipher_info_t aes_256_cfb128_info = { + POLARSSL_CIPHER_AES_256_CFB128, + POLARSSL_MODE_CFB128, + 256, + "AES-256-CFB128", + 16, + 16, + &aes_info +}; +#endif /* POLARSSL_CIPHER_MODE_CFB */ + +#if defined(POLARSSL_CIPHER_MODE_CTR) +const cipher_info_t aes_128_ctr_info = { + POLARSSL_CIPHER_AES_128_CTR, + POLARSSL_MODE_CTR, + 128, + "AES-128-CTR", + 16, + 16, + &aes_info +}; + +const cipher_info_t aes_192_ctr_info = { + POLARSSL_CIPHER_AES_192_CTR, + POLARSSL_MODE_CTR, + 192, + "AES-192-CTR", + 16, + 16, + &aes_info +}; + +const cipher_info_t aes_256_ctr_info = { + POLARSSL_CIPHER_AES_256_CTR, + POLARSSL_MODE_CTR, + 256, + "AES-256-CTR", + 16, + 16, + &aes_info +}; +#endif /* POLARSSL_CIPHER_MODE_CTR */ + +#endif + +#if defined(POLARSSL_CAMELLIA_C) + +int camellia_crypt_cbc_wrap( void *ctx, operation_t operation, size_t length, + unsigned char *iv, const unsigned char *input, unsigned char *output ) +{ + return camellia_crypt_cbc( (camellia_context *) ctx, operation, length, iv, input, output ); +} + +int camellia_crypt_cfb128_wrap( void *ctx, operation_t operation, size_t length, + size_t *iv_off, unsigned char *iv, const unsigned char *input, unsigned char *output ) +{ +#if defined(POLARSSL_CIPHER_MODE_CFB) + return camellia_crypt_cfb128( (camellia_context *) ctx, operation, length, iv_off, iv, input, output ); +#else + ((void) ctx); + ((void) operation); + ((void) length); + ((void) iv_off); + ((void) iv); + ((void) input); + ((void) output); + + return POLARSSL_ERR_CIPHER_FEATURE_UNAVAILABLE; +#endif +} + +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 ) +{ +#if defined(POLARSSL_CIPHER_MODE_CTR) + return camellia_crypt_ctr( (camellia_context *) ctx, length, nc_off, nonce_counter, + stream_block, input, output ); +#else + ((void) ctx); + ((void) length); + ((void) nc_off); + ((void) nonce_counter); + ((void) stream_block); + ((void) input); + ((void) output); + + return POLARSSL_ERR_CIPHER_FEATURE_UNAVAILABLE; +#endif +} + +int camellia_setkey_dec_wrap( void *ctx, const unsigned char *key, unsigned int key_length ) +{ + return camellia_setkey_dec( (camellia_context *) ctx, key, key_length ); +} + +int camellia_setkey_enc_wrap( void *ctx, const unsigned char *key, unsigned int key_length ) +{ + return camellia_setkey_enc( (camellia_context *) ctx, key, key_length ); +} + +static void * camellia_ctx_alloc( void ) +{ + return malloc( sizeof( camellia_context ) ); +} + +static void camellia_ctx_free( void *ctx ) +{ + free( ctx ); +} + +const cipher_base_t camellia_info = { + POLARSSL_CIPHER_ID_CAMELLIA, + camellia_crypt_cbc_wrap, + camellia_crypt_cfb128_wrap, + camellia_crypt_ctr_wrap, + camellia_setkey_enc_wrap, + camellia_setkey_dec_wrap, + camellia_ctx_alloc, + camellia_ctx_free +}; + +const cipher_info_t camellia_128_cbc_info = { + POLARSSL_CIPHER_CAMELLIA_128_CBC, + POLARSSL_MODE_CBC, + 128, + "CAMELLIA-128-CBC", + 16, + 16, + &camellia_info +}; + +const cipher_info_t camellia_192_cbc_info = { + POLARSSL_CIPHER_CAMELLIA_192_CBC, + POLARSSL_MODE_CBC, + 192, + "CAMELLIA-192-CBC", + 16, + 16, + &camellia_info +}; + +const cipher_info_t camellia_256_cbc_info = { + POLARSSL_CIPHER_CAMELLIA_256_CBC, + POLARSSL_MODE_CBC, + 256, + "CAMELLIA-256-CBC", + 16, + 16, + &camellia_info +}; + +#if defined(POLARSSL_CIPHER_MODE_CFB) +const cipher_info_t camellia_128_cfb128_info = { + POLARSSL_CIPHER_CAMELLIA_128_CFB128, + POLARSSL_MODE_CFB128, + 128, + "CAMELLIA-128-CFB128", + 16, + 16, + &camellia_info +}; + +const cipher_info_t camellia_192_cfb128_info = { + POLARSSL_CIPHER_CAMELLIA_192_CFB128, + POLARSSL_MODE_CFB128, + 192, + "CAMELLIA-192-CFB128", + 16, + 16, + &camellia_info +}; + +const cipher_info_t camellia_256_cfb128_info = { + POLARSSL_CIPHER_CAMELLIA_256_CFB128, + POLARSSL_MODE_CFB128, + 256, + "CAMELLIA-256-CFB128", + 16, + 16, + &camellia_info +}; +#endif /* POLARSSL_CIPHER_MODE_CFB */ + +#if defined(POLARSSL_CIPHER_MODE_CTR) +const cipher_info_t camellia_128_ctr_info = { + POLARSSL_CIPHER_CAMELLIA_128_CTR, + POLARSSL_MODE_CTR, + 128, + "CAMELLIA-128-CTR", + 16, + 16, + &camellia_info +}; + +const cipher_info_t camellia_192_ctr_info = { + POLARSSL_CIPHER_CAMELLIA_192_CTR, + POLARSSL_MODE_CTR, + 192, + "CAMELLIA-192-CTR", + 16, + 16, + &camellia_info +}; + +const cipher_info_t camellia_256_ctr_info = { + POLARSSL_CIPHER_CAMELLIA_256_CTR, + POLARSSL_MODE_CTR, + 256, + "CAMELLIA-256-CTR", + 16, + 16, + &camellia_info +}; +#endif /* POLARSSL_CIPHER_MODE_CTR */ + +#endif + +#if defined(POLARSSL_DES_C) + +int des_crypt_cbc_wrap( void *ctx, operation_t operation, size_t length, + unsigned char *iv, const unsigned char *input, unsigned char *output ) +{ + return des_crypt_cbc( (des_context *) ctx, operation, length, iv, input, output ); +} + +int des3_crypt_cbc_wrap( void *ctx, operation_t operation, size_t length, + unsigned char *iv, const unsigned char *input, unsigned char *output ) +{ + return des3_crypt_cbc( (des3_context *) ctx, operation, length, iv, input, output ); +} + +int des_crypt_cfb128_wrap( void *ctx, operation_t operation, size_t length, + size_t *iv_off, unsigned char *iv, const unsigned char *input, unsigned char *output ) +{ + ((void) ctx); + ((void) operation); + ((void) length); + ((void) iv_off); + ((void) iv); + ((void) input); + ((void) output); + + return POLARSSL_ERR_CIPHER_FEATURE_UNAVAILABLE; +} + +int des_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 ) +{ + ((void) ctx); + ((void) length); + ((void) nc_off); + ((void) nonce_counter); + ((void) stream_block); + ((void) input); + ((void) output); + + return POLARSSL_ERR_CIPHER_FEATURE_UNAVAILABLE; +} + + +int des_setkey_dec_wrap( void *ctx, const unsigned char *key, unsigned int key_length ) +{ + ((void) key_length); + + return des_setkey_dec( (des_context *) ctx, key ); +} + +int des_setkey_enc_wrap( void *ctx, const unsigned char *key, unsigned int key_length ) +{ + ((void) key_length); + + return des_setkey_enc( (des_context *) ctx, key ); +} + +int des3_set2key_dec_wrap( void *ctx, const unsigned char *key, unsigned int key_length ) +{ + ((void) key_length); + + return des3_set2key_dec( (des3_context *) ctx, key ); +} + +int des3_set2key_enc_wrap( void *ctx, const unsigned char *key, unsigned int key_length ) +{ + ((void) key_length); + + return des3_set2key_enc( (des3_context *) ctx, key ); +} + +int des3_set3key_dec_wrap( void *ctx, const unsigned char *key, unsigned int key_length ) +{ + ((void) key_length); + + return des3_set3key_dec( (des3_context *) ctx, key ); +} + +int des3_set3key_enc_wrap( void *ctx, const unsigned char *key, unsigned int key_length ) +{ + ((void) key_length); + + return des3_set3key_enc( (des3_context *) ctx, key ); +} + +static void * des_ctx_alloc( void ) +{ + return malloc( sizeof( des_context ) ); +} + +static void * des3_ctx_alloc( void ) +{ + return malloc( sizeof( des3_context ) ); +} + +static void des_ctx_free( void *ctx ) +{ + free( ctx ); +} + +const cipher_base_t des_info = { + POLARSSL_CIPHER_ID_DES, + des_crypt_cbc_wrap, + des_crypt_cfb128_wrap, + des_crypt_ctr_wrap, + des_setkey_enc_wrap, + des_setkey_dec_wrap, + des_ctx_alloc, + des_ctx_free +}; + +const cipher_info_t des_cbc_info = { + POLARSSL_CIPHER_DES_CBC, + POLARSSL_MODE_CBC, + POLARSSL_KEY_LENGTH_DES, + "DES-CBC", + 8, + 8, + &des_info +}; + +const cipher_base_t des_ede_info = { + POLARSSL_CIPHER_ID_DES, + des3_crypt_cbc_wrap, + des_crypt_cfb128_wrap, + des_crypt_ctr_wrap, + des3_set2key_enc_wrap, + des3_set2key_dec_wrap, + des3_ctx_alloc, + des_ctx_free +}; + +const cipher_info_t des_ede_cbc_info = { + POLARSSL_CIPHER_DES_EDE_CBC, + POLARSSL_MODE_CBC, + POLARSSL_KEY_LENGTH_DES_EDE, + "DES-EDE-CBC", + 16, + 16, + &des_ede_info +}; + +const cipher_base_t des_ede3_info = { + POLARSSL_CIPHER_ID_DES, + des3_crypt_cbc_wrap, + des_crypt_cfb128_wrap, + des_crypt_ctr_wrap, + des3_set3key_enc_wrap, + des3_set3key_dec_wrap, + des3_ctx_alloc, + des_ctx_free +}; + +const cipher_info_t des_ede3_cbc_info = { + POLARSSL_CIPHER_DES_EDE3_CBC, + POLARSSL_MODE_CBC, + POLARSSL_KEY_LENGTH_DES_EDE3, + "DES-EDE3-CBC", + 8, + 8, + &des_ede3_info +}; +#endif + +#if defined(POLARSSL_CIPHER_NULL_CIPHER) +static void * null_ctx_alloc( void ) +{ + return (void *) 1; +} + + +static void null_ctx_free( void *ctx ) +{ + ((void) ctx); +} + +const cipher_base_t null_base_info = { + POLARSSL_CIPHER_ID_NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + null_ctx_alloc, + null_ctx_free +}; + +const cipher_info_t null_cipher_info = { + POLARSSL_CIPHER_NULL, + POLARSSL_MODE_NULL, + 0, + "NULL", + 1, + 1, + &null_base_info +}; +#endif /* defined(POLARSSL_CIPHER_NULL_CIPHER) */ + +#endif -- cgit v1.2.3