| /** |
| * \file md_wrap.c |
| * |
| * \brief Generic cipher wrapper for PolarSSL |
| * |
| * \author Adriaan de Jong <dejong@fox-it.com> |
| * |
| * Copyright (C) 2006-2011, Brainspark B.V. |
| * |
| * This file is part of PolarSSL (http://www.polarssl.org) |
| * Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org> |
| * |
| * 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" |
| #include "polarssl/aes.h" |
| #include "polarssl/camellia.h" |
| #include "polarssl/des.h" |
| |
| #include <stdlib.h> |
| |
| #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 |
| |
| #endif |