| /** |
| * \file cipher_wrap.c |
| * |
| * \brief Generic cipher wrapper for PolarSSL |
| * |
| * \author Adriaan de Jong <dejong@fox-it.com> |
| * |
| * Copyright (C) 2006-2014, 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" |
| |
| #if defined(POLARSSL_AES_C) |
| #include "polarssl/aes.h" |
| #endif |
| |
| #if defined(POLARSSL_ARC4_C) |
| #include "polarssl/arc4.h" |
| #endif |
| |
| #if defined(POLARSSL_CAMELLIA_C) |
| #include "polarssl/camellia.h" |
| #endif |
| |
| #if defined(POLARSSL_DES_C) |
| #include "polarssl/des.h" |
| #endif |
| |
| #if defined(POLARSSL_BLOWFISH_C) |
| #include "polarssl/blowfish.h" |
| #endif |
| |
| #if defined(POLARSSL_GCM_C) |
| #include "polarssl/gcm.h" |
| #endif |
| |
| #if defined(POLARSSL_PLATFORM_C) |
| #include "polarssl/platform.h" |
| #else |
| #define polarssl_malloc malloc |
| #define polarssl_free free |
| #endif |
| |
| #include <stdlib.h> |
| |
| #if defined(POLARSSL_GCM_C) |
| /* shared by all GCM ciphers */ |
| static void *gcm_ctx_alloc( void ) |
| { |
| return polarssl_malloc( sizeof( gcm_context ) ); |
| } |
| |
| static void gcm_ctx_free( void *ctx ) |
| { |
| gcm_free( ctx ); |
| polarssl_free( ctx ); |
| } |
| #endif |
| |
| #if defined(POLARSSL_AES_C) |
| |
| static int aes_crypt_ecb_wrap( void *ctx, operation_t operation, |
| const unsigned char *input, unsigned char *output ) |
| { |
| return aes_crypt_ecb( (aes_context *) ctx, operation, input, output ); |
| } |
| |
| static int aes_crypt_cbc_wrap( void *ctx, operation_t operation, size_t length, |
| unsigned char *iv, const unsigned char *input, unsigned char *output ) |
| { |
| #if defined(POLARSSL_CIPHER_MODE_CBC) |
| return aes_crypt_cbc( (aes_context *) ctx, operation, length, iv, input, output ); |
| #else |
| ((void) ctx); |
| ((void) operation); |
| ((void) length); |
| ((void) iv); |
| ((void) input); |
| ((void) output); |
| |
| return POLARSSL_ERR_CIPHER_FEATURE_UNAVAILABLE; |
| #endif /* POLARSSL_CIPHER_MODE_CBC */ |
| } |
| |
| static 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 |
| } |
| |
| 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 ) |
| { |
| #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 |
| } |
| |
| static 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 ); |
| } |
| |
| static 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 polarssl_malloc( sizeof( aes_context ) ); |
| } |
| |
| static void aes_ctx_free( void *ctx ) |
| { |
| polarssl_free( ctx ); |
| } |
| |
| const cipher_base_t aes_info = { |
| POLARSSL_CIPHER_ID_AES, |
| aes_crypt_ecb_wrap, |
| aes_crypt_cbc_wrap, |
| aes_crypt_cfb128_wrap, |
| aes_crypt_ctr_wrap, |
| NULL, |
| aes_setkey_enc_wrap, |
| aes_setkey_dec_wrap, |
| aes_ctx_alloc, |
| aes_ctx_free |
| }; |
| |
| const cipher_info_t aes_128_ecb_info = { |
| POLARSSL_CIPHER_AES_128_ECB, |
| POLARSSL_MODE_ECB, |
| 128, |
| "AES-128-ECB", |
| 16, |
| 0, |
| 16, |
| &aes_info |
| }; |
| |
| const cipher_info_t aes_192_ecb_info = { |
| POLARSSL_CIPHER_AES_192_ECB, |
| POLARSSL_MODE_ECB, |
| 192, |
| "AES-192-ECB", |
| 16, |
| 0, |
| 16, |
| &aes_info |
| }; |
| |
| const cipher_info_t aes_256_ecb_info = { |
| POLARSSL_CIPHER_AES_256_ECB, |
| POLARSSL_MODE_ECB, |
| 256, |
| "AES-256-ECB", |
| 16, |
| 0, |
| 16, |
| &aes_info |
| }; |
| |
| #if defined(POLARSSL_CIPHER_MODE_CBC) |
| const cipher_info_t aes_128_cbc_info = { |
| POLARSSL_CIPHER_AES_128_CBC, |
| POLARSSL_MODE_CBC, |
| 128, |
| "AES-128-CBC", |
| 16, |
| 0, |
| 16, |
| &aes_info |
| }; |
| |
| const cipher_info_t aes_192_cbc_info = { |
| POLARSSL_CIPHER_AES_192_CBC, |
| POLARSSL_MODE_CBC, |
| 192, |
| "AES-192-CBC", |
| 16, |
| 0, |
| 16, |
| &aes_info |
| }; |
| |
| const cipher_info_t aes_256_cbc_info = { |
| POLARSSL_CIPHER_AES_256_CBC, |
| POLARSSL_MODE_CBC, |
| 256, |
| "AES-256-CBC", |
| 16, |
| 0, |
| 16, |
| &aes_info |
| }; |
| #endif /* POLARSSL_CIPHER_MODE_CBC */ |
| |
| #if defined(POLARSSL_CIPHER_MODE_CFB) |
| const cipher_info_t aes_128_cfb128_info = { |
| POLARSSL_CIPHER_AES_128_CFB128, |
| POLARSSL_MODE_CFB, |
| 128, |
| "AES-128-CFB128", |
| 16, |
| 0, |
| 16, |
| &aes_info |
| }; |
| |
| const cipher_info_t aes_192_cfb128_info = { |
| POLARSSL_CIPHER_AES_192_CFB128, |
| POLARSSL_MODE_CFB, |
| 192, |
| "AES-192-CFB128", |
| 16, |
| 0, |
| 16, |
| &aes_info |
| }; |
| |
| const cipher_info_t aes_256_cfb128_info = { |
| POLARSSL_CIPHER_AES_256_CFB128, |
| POLARSSL_MODE_CFB, |
| 256, |
| "AES-256-CFB128", |
| 16, |
| 0, |
| 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, |
| 0, |
| 16, |
| &aes_info |
| }; |
| |
| const cipher_info_t aes_192_ctr_info = { |
| POLARSSL_CIPHER_AES_192_CTR, |
| POLARSSL_MODE_CTR, |
| 192, |
| "AES-192-CTR", |
| 16, |
| 0, |
| 16, |
| &aes_info |
| }; |
| |
| const cipher_info_t aes_256_ctr_info = { |
| POLARSSL_CIPHER_AES_256_CTR, |
| POLARSSL_MODE_CTR, |
| 256, |
| "AES-256-CTR", |
| 16, |
| 0, |
| 16, |
| &aes_info |
| }; |
| #endif /* POLARSSL_CIPHER_MODE_CTR */ |
| |
| #if defined(POLARSSL_GCM_C) |
| static int gcm_aes_setkey_wrap( void *ctx, const unsigned char *key, unsigned int key_length ) |
| { |
| return gcm_init( (gcm_context *) ctx, POLARSSL_CIPHER_ID_AES, |
| key, key_length ); |
| } |
| |
| const cipher_base_t gcm_aes_info = { |
| POLARSSL_CIPHER_ID_AES, |
| NULL, |
| NULL, |
| NULL, |
| NULL, |
| NULL, |
| gcm_aes_setkey_wrap, |
| gcm_aes_setkey_wrap, |
| gcm_ctx_alloc, |
| gcm_ctx_free, |
| }; |
| |
| const cipher_info_t aes_128_gcm_info = { |
| POLARSSL_CIPHER_AES_128_GCM, |
| POLARSSL_MODE_GCM, |
| 128, |
| "AES-128-GCM", |
| 12, |
| 1, |
| 16, |
| &gcm_aes_info |
| }; |
| |
| const cipher_info_t aes_192_gcm_info = { |
| POLARSSL_CIPHER_AES_192_GCM, |
| POLARSSL_MODE_GCM, |
| 192, |
| "AES-192-GCM", |
| 12, |
| 1, |
| 16, |
| &gcm_aes_info |
| }; |
| |
| const cipher_info_t aes_256_gcm_info = { |
| POLARSSL_CIPHER_AES_256_GCM, |
| POLARSSL_MODE_GCM, |
| 256, |
| "AES-256-GCM", |
| 12, |
| 1, |
| 16, |
| &gcm_aes_info |
| }; |
| #endif /* POLARSSL_GCM_C */ |
| |
| #endif |
| |
| #if defined(POLARSSL_CAMELLIA_C) |
| |
| static int camellia_crypt_ecb_wrap( void *ctx, operation_t operation, |
| const unsigned char *input, unsigned char *output ) |
| { |
| return camellia_crypt_ecb( (camellia_context *) ctx, operation, input, output ); |
| } |
| |
| static int camellia_crypt_cbc_wrap( void *ctx, operation_t operation, size_t length, |
| unsigned char *iv, const unsigned char *input, unsigned char *output ) |
| { |
| #if defined(POLARSSL_CIPHER_MODE_CBC) |
| return camellia_crypt_cbc( (camellia_context *) ctx, operation, length, iv, input, output ); |
| #else |
| ((void) ctx); |
| ((void) operation); |
| ((void) length); |
| ((void) iv); |
| ((void) input); |
| ((void) output); |
| |
| return POLARSSL_ERR_CIPHER_FEATURE_UNAVAILABLE; |
| #endif /* POLARSSL_CIPHER_MODE_CBC */ |
| } |
| |
| static 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 |
| } |
| |
| 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 ) |
| { |
| #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 |
| } |
| |
| static 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 ); |
| } |
| |
| static 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 polarssl_malloc( sizeof( camellia_context ) ); |
| } |
| |
| static void camellia_ctx_free( void *ctx ) |
| { |
| polarssl_free( ctx ); |
| } |
| |
| const cipher_base_t camellia_info = { |
| POLARSSL_CIPHER_ID_CAMELLIA, |
| camellia_crypt_ecb_wrap, |
| camellia_crypt_cbc_wrap, |
| camellia_crypt_cfb128_wrap, |
| camellia_crypt_ctr_wrap, |
| NULL, |
| camellia_setkey_enc_wrap, |
| camellia_setkey_dec_wrap, |
| camellia_ctx_alloc, |
| camellia_ctx_free |
| }; |
| |
| const cipher_info_t camellia_128_ecb_info = { |
| POLARSSL_CIPHER_CAMELLIA_128_ECB, |
| POLARSSL_MODE_ECB, |
| 128, |
| "CAMELLIA-128-ECB", |
| 16, |
| 0, |
| 16, |
| &camellia_info |
| }; |
| |
| const cipher_info_t camellia_192_ecb_info = { |
| POLARSSL_CIPHER_CAMELLIA_192_ECB, |
| POLARSSL_MODE_ECB, |
| 192, |
| "CAMELLIA-192-ECB", |
| 16, |
| 0, |
| 16, |
| &camellia_info |
| }; |
| |
| const cipher_info_t camellia_256_ecb_info = { |
| POLARSSL_CIPHER_CAMELLIA_256_ECB, |
| POLARSSL_MODE_ECB, |
| 256, |
| "CAMELLIA-256-ECB", |
| 16, |
| 0, |
| 16, |
| &camellia_info |
| }; |
| |
| #if defined(POLARSSL_CIPHER_MODE_CBC) |
| const cipher_info_t camellia_128_cbc_info = { |
| POLARSSL_CIPHER_CAMELLIA_128_CBC, |
| POLARSSL_MODE_CBC, |
| 128, |
| "CAMELLIA-128-CBC", |
| 16, |
| 0, |
| 16, |
| &camellia_info |
| }; |
| |
| const cipher_info_t camellia_192_cbc_info = { |
| POLARSSL_CIPHER_CAMELLIA_192_CBC, |
| POLARSSL_MODE_CBC, |
| 192, |
| "CAMELLIA-192-CBC", |
| 16, |
| 0, |
| 16, |
| &camellia_info |
| }; |
| |
| const cipher_info_t camellia_256_cbc_info = { |
| POLARSSL_CIPHER_CAMELLIA_256_CBC, |
| POLARSSL_MODE_CBC, |
| 256, |
| "CAMELLIA-256-CBC", |
| 16, |
| 0, |
| 16, |
| &camellia_info |
| }; |
| #endif /* POLARSSL_CIPHER_MODE_CBC */ |
| |
| #if defined(POLARSSL_CIPHER_MODE_CFB) |
| const cipher_info_t camellia_128_cfb128_info = { |
| POLARSSL_CIPHER_CAMELLIA_128_CFB128, |
| POLARSSL_MODE_CFB, |
| 128, |
| "CAMELLIA-128-CFB128", |
| 16, |
| 0, |
| 16, |
| &camellia_info |
| }; |
| |
| const cipher_info_t camellia_192_cfb128_info = { |
| POLARSSL_CIPHER_CAMELLIA_192_CFB128, |
| POLARSSL_MODE_CFB, |
| 192, |
| "CAMELLIA-192-CFB128", |
| 16, |
| 0, |
| 16, |
| &camellia_info |
| }; |
| |
| const cipher_info_t camellia_256_cfb128_info = { |
| POLARSSL_CIPHER_CAMELLIA_256_CFB128, |
| POLARSSL_MODE_CFB, |
| 256, |
| "CAMELLIA-256-CFB128", |
| 16, |
| 0, |
| 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, |
| 0, |
| 16, |
| &camellia_info |
| }; |
| |
| const cipher_info_t camellia_192_ctr_info = { |
| POLARSSL_CIPHER_CAMELLIA_192_CTR, |
| POLARSSL_MODE_CTR, |
| 192, |
| "CAMELLIA-192-CTR", |
| 16, |
| 0, |
| 16, |
| &camellia_info |
| }; |
| |
| const cipher_info_t camellia_256_ctr_info = { |
| POLARSSL_CIPHER_CAMELLIA_256_CTR, |
| POLARSSL_MODE_CTR, |
| 256, |
| "CAMELLIA-256-CTR", |
| 16, |
| 0, |
| 16, |
| &camellia_info |
| }; |
| #endif /* POLARSSL_CIPHER_MODE_CTR */ |
| |
| #if defined(POLARSSL_GCM_C) |
| static int gcm_camellia_setkey_wrap( void *ctx, const unsigned char *key, unsigned int key_length ) |
| { |
| return gcm_init( (gcm_context *) ctx, POLARSSL_CIPHER_ID_CAMELLIA, |
| key, key_length ); |
| } |
| |
| const cipher_base_t gcm_camellia_info = { |
| POLARSSL_CIPHER_ID_CAMELLIA, |
| NULL, |
| NULL, |
| NULL, |
| NULL, |
| NULL, |
| gcm_camellia_setkey_wrap, |
| gcm_camellia_setkey_wrap, |
| gcm_ctx_alloc, |
| gcm_ctx_free, |
| }; |
| |
| const cipher_info_t camellia_128_gcm_info = { |
| POLARSSL_CIPHER_CAMELLIA_128_GCM, |
| POLARSSL_MODE_GCM, |
| 128, |
| "CAMELLIA-128-GCM", |
| 12, |
| 1, |
| 16, |
| &gcm_camellia_info |
| }; |
| |
| const cipher_info_t camellia_192_gcm_info = { |
| POLARSSL_CIPHER_CAMELLIA_192_GCM, |
| POLARSSL_MODE_GCM, |
| 192, |
| "CAMELLIA-192-GCM", |
| 12, |
| 1, |
| 16, |
| &gcm_camellia_info |
| }; |
| |
| const cipher_info_t camellia_256_gcm_info = { |
| POLARSSL_CIPHER_CAMELLIA_256_GCM, |
| POLARSSL_MODE_GCM, |
| 256, |
| "CAMELLIA-256-GCM", |
| 12, |
| 1, |
| 16, |
| &gcm_camellia_info |
| }; |
| #endif /* POLARSSL_GCM_C */ |
| |
| #endif /* POLARSSL_CAMELLIA_C */ |
| |
| #if defined(POLARSSL_DES_C) |
| |
| static int des_crypt_ecb_wrap( void *ctx, operation_t operation, |
| const unsigned char *input, unsigned char *output ) |
| { |
| ((void) operation); |
| return des_crypt_ecb( (des_context *) ctx, input, output ); |
| } |
| |
| static int des3_crypt_ecb_wrap( void *ctx, operation_t operation, |
| const unsigned char *input, unsigned char *output ) |
| { |
| ((void) operation); |
| return des3_crypt_ecb( (des3_context *) ctx, input, output ); |
| } |
| |
| static int des_crypt_cbc_wrap( void *ctx, operation_t operation, size_t length, |
| unsigned char *iv, const unsigned char *input, unsigned char *output ) |
| { |
| #if defined(POLARSSL_CIPHER_MODE_CBC) |
| return des_crypt_cbc( (des_context *) ctx, operation, length, iv, input, output ); |
| #else |
| ((void) ctx); |
| ((void) operation); |
| ((void) length); |
| ((void) iv); |
| ((void) input); |
| ((void) output); |
| |
| return POLARSSL_ERR_CIPHER_FEATURE_UNAVAILABLE; |
| #endif /* POLARSSL_CIPHER_MODE_CBC */ |
| } |
| |
| static int des3_crypt_cbc_wrap( void *ctx, operation_t operation, size_t length, |
| unsigned char *iv, const unsigned char *input, unsigned char *output ) |
| { |
| #if defined(POLARSSL_CIPHER_MODE_CBC) |
| return des3_crypt_cbc( (des3_context *) ctx, operation, length, iv, input, output ); |
| #else |
| ((void) ctx); |
| ((void) operation); |
| ((void) length); |
| ((void) iv); |
| ((void) input); |
| ((void) output); |
| |
| return POLARSSL_ERR_CIPHER_FEATURE_UNAVAILABLE; |
| #endif /* POLARSSL_CIPHER_MODE_CBC */ |
| } |
| |
| static 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; |
| } |
| |
| static 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; |
| } |
| |
| static 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 ); |
| } |
| |
| static 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 ); |
| } |
| |
| static 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 ); |
| } |
| |
| static 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 ); |
| } |
| |
| static 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 ); |
| } |
| |
| static 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 polarssl_malloc( sizeof( des_context ) ); |
| } |
| |
| static void * des3_ctx_alloc( void ) |
| { |
| return polarssl_malloc( sizeof( des3_context ) ); |
| } |
| |
| static void des_ctx_free( void *ctx ) |
| { |
| polarssl_free( ctx ); |
| } |
| |
| const cipher_base_t des_info = { |
| POLARSSL_CIPHER_ID_DES, |
| des_crypt_ecb_wrap, |
| des_crypt_cbc_wrap, |
| des_crypt_cfb128_wrap, |
| des_crypt_ctr_wrap, |
| NULL, |
| des_setkey_enc_wrap, |
| des_setkey_dec_wrap, |
| des_ctx_alloc, |
| des_ctx_free |
| }; |
| |
| const cipher_info_t des_ecb_info = { |
| POLARSSL_CIPHER_DES_ECB, |
| POLARSSL_MODE_ECB, |
| POLARSSL_KEY_LENGTH_DES, |
| "DES-ECB", |
| 8, |
| 0, |
| 8, |
| &des_info |
| }; |
| |
| #if defined(POLARSSL_CIPHER_MODE_CBC) |
| const cipher_info_t des_cbc_info = { |
| POLARSSL_CIPHER_DES_CBC, |
| POLARSSL_MODE_CBC, |
| POLARSSL_KEY_LENGTH_DES, |
| "DES-CBC", |
| 8, |
| 0, |
| 8, |
| &des_info |
| }; |
| #endif /* POLARSSL_CIPHER_MODE_CBC */ |
| |
| const cipher_base_t des_ede_info = { |
| POLARSSL_CIPHER_ID_DES, |
| des3_crypt_ecb_wrap, |
| des3_crypt_cbc_wrap, |
| des_crypt_cfb128_wrap, |
| des_crypt_ctr_wrap, |
| NULL, |
| des3_set2key_enc_wrap, |
| des3_set2key_dec_wrap, |
| des3_ctx_alloc, |
| des_ctx_free |
| }; |
| |
| const cipher_info_t des_ede_ecb_info = { |
| POLARSSL_CIPHER_DES_EDE_ECB, |
| POLARSSL_MODE_ECB, |
| POLARSSL_KEY_LENGTH_DES_EDE, |
| "DES-EDE-ECB", |
| 8, |
| 0, |
| 8, |
| &des_ede_info |
| }; |
| |
| #if defined(POLARSSL_CIPHER_MODE_CBC) |
| const cipher_info_t des_ede_cbc_info = { |
| POLARSSL_CIPHER_DES_EDE_CBC, |
| POLARSSL_MODE_CBC, |
| POLARSSL_KEY_LENGTH_DES_EDE, |
| "DES-EDE-CBC", |
| 8, |
| 0, |
| 8, |
| &des_ede_info |
| }; |
| #endif /* POLARSSL_CIPHER_MODE_CBC */ |
| |
| const cipher_base_t des_ede3_info = { |
| POLARSSL_CIPHER_ID_DES, |
| des3_crypt_ecb_wrap, |
| des3_crypt_cbc_wrap, |
| des_crypt_cfb128_wrap, |
| des_crypt_ctr_wrap, |
| NULL, |
| des3_set3key_enc_wrap, |
| des3_set3key_dec_wrap, |
| des3_ctx_alloc, |
| des_ctx_free |
| }; |
| |
| const cipher_info_t des_ede3_ecb_info = { |
| POLARSSL_CIPHER_DES_EDE3_ECB, |
| POLARSSL_MODE_ECB, |
| POLARSSL_KEY_LENGTH_DES_EDE3, |
| "DES-EDE3-ECB", |
| 8, |
| 0, |
| 8, |
| &des_ede3_info |
| }; |
| #if defined(POLARSSL_CIPHER_MODE_CBC) |
| 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, |
| 0, |
| 8, |
| &des_ede3_info |
| }; |
| #endif /* POLARSSL_CIPHER_MODE_CBC */ |
| #endif |
| |
| #if defined(POLARSSL_BLOWFISH_C) |
| |
| static int blowfish_crypt_ecb_wrap( void *ctx, operation_t operation, |
| const unsigned char *input, unsigned char *output ) |
| { |
| return blowfish_crypt_ecb( (blowfish_context *) ctx, operation, input, output ); |
| } |
| |
| static int blowfish_crypt_cbc_wrap( void *ctx, operation_t operation, size_t length, |
| unsigned char *iv, const unsigned char *input, unsigned char *output ) |
| { |
| #if defined(POLARSSL_CIPHER_MODE_CBC) |
| return blowfish_crypt_cbc( (blowfish_context *) ctx, operation, length, iv, input, output ); |
| #else |
| ((void) ctx); |
| ((void) operation); |
| ((void) length); |
| ((void) iv); |
| ((void) input); |
| ((void) output); |
| |
| return POLARSSL_ERR_CIPHER_FEATURE_UNAVAILABLE; |
| #endif /* POLARSSL_CIPHER_MODE_CBC */ |
| } |
| |
| static int blowfish_crypt_cfb64_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 blowfish_crypt_cfb64( (blowfish_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 |
| } |
| |
| 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 ) |
| { |
| #if defined(POLARSSL_CIPHER_MODE_CTR) |
| return blowfish_crypt_ctr( (blowfish_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 |
| } |
| |
| static int blowfish_setkey_wrap( void *ctx, const unsigned char *key, unsigned int key_length ) |
| { |
| return blowfish_setkey( (blowfish_context *) ctx, key, key_length ); |
| } |
| |
| static void * blowfish_ctx_alloc( void ) |
| { |
| return polarssl_malloc( sizeof( blowfish_context ) ); |
| } |
| |
| static void blowfish_ctx_free( void *ctx ) |
| { |
| polarssl_free( ctx ); |
| } |
| |
| const cipher_base_t blowfish_info = { |
| POLARSSL_CIPHER_ID_BLOWFISH, |
| blowfish_crypt_ecb_wrap, |
| blowfish_crypt_cbc_wrap, |
| blowfish_crypt_cfb64_wrap, |
| blowfish_crypt_ctr_wrap, |
| NULL, |
| blowfish_setkey_wrap, |
| blowfish_setkey_wrap, |
| blowfish_ctx_alloc, |
| blowfish_ctx_free |
| }; |
| |
| const cipher_info_t blowfish_ecb_info = { |
| POLARSSL_CIPHER_BLOWFISH_ECB, |
| POLARSSL_MODE_ECB, |
| 128, |
| "BLOWFISH-ECB", |
| 8, |
| 0, |
| 8, |
| &blowfish_info |
| }; |
| |
| #if defined(POLARSSL_CIPHER_MODE_CBC) |
| const cipher_info_t blowfish_cbc_info = { |
| POLARSSL_CIPHER_BLOWFISH_CBC, |
| POLARSSL_MODE_CBC, |
| 128, |
| "BLOWFISH-CBC", |
| 8, |
| 0, |
| 8, |
| &blowfish_info |
| }; |
| #endif /* POLARSSL_CIPHER_MODE_CBC */ |
| |
| #if defined(POLARSSL_CIPHER_MODE_CFB) |
| const cipher_info_t blowfish_cfb64_info = { |
| POLARSSL_CIPHER_BLOWFISH_CFB64, |
| POLARSSL_MODE_CFB, |
| 128, |
| "BLOWFISH-CFB64", |
| 8, |
| 0, |
| 8, |
| &blowfish_info |
| }; |
| #endif /* POLARSSL_CIPHER_MODE_CFB */ |
| |
| #if defined(POLARSSL_CIPHER_MODE_CTR) |
| const cipher_info_t blowfish_ctr_info = { |
| POLARSSL_CIPHER_BLOWFISH_CTR, |
| POLARSSL_MODE_CTR, |
| 128, |
| "BLOWFISH-CTR", |
| 8, |
| 0, |
| 8, |
| &blowfish_info |
| }; |
| #endif /* POLARSSL_CIPHER_MODE_CTR */ |
| #endif /* POLARSSL_BLOWFISH_C */ |
| |
| #if defined(POLARSSL_ARC4_C) |
| static int arc4_crypt_stream_wrap( void *ctx, size_t length, |
| const unsigned char *input, |
| unsigned char *output ) |
| { |
| return( arc4_crypt( (arc4_context *) ctx, length, input, output ) ); |
| } |
| |
| static int arc4_setkey_wrap( void *ctx, const unsigned char *key, |
| unsigned int key_length ) |
| { |
| /* we get key_length in bits, arc4 expects it in bytes */ |
| if( key_length % 8 != 0) |
| return( POLARSSL_ERR_CIPHER_BAD_INPUT_DATA ); |
| |
| arc4_setup( (arc4_context *) ctx, key, key_length / 8 ); |
| return( 0 ); |
| } |
| |
| static void * arc4_ctx_alloc( void ) |
| { |
| return polarssl_malloc( sizeof( arc4_context ) ); |
| } |
| |
| static void arc4_ctx_free( void *ctx ) |
| { |
| polarssl_free( ctx ); |
| } |
| |
| const cipher_base_t arc4_base_info = { |
| POLARSSL_CIPHER_ID_ARC4, |
| NULL, |
| NULL, |
| NULL, |
| NULL, |
| arc4_crypt_stream_wrap, |
| arc4_setkey_wrap, |
| arc4_setkey_wrap, |
| arc4_ctx_alloc, |
| arc4_ctx_free |
| }; |
| |
| const cipher_info_t arc4_128_info = { |
| POLARSSL_CIPHER_ARC4_128, |
| POLARSSL_MODE_STREAM, |
| 128, |
| "ARC4-128", |
| 0, |
| 0, |
| 1, |
| &arc4_base_info |
| }; |
| #endif /* POLARSSL_ARC4_C */ |
| |
| #if defined(POLARSSL_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_length ) |
| { |
| ((void) ctx); |
| ((void) key); |
| ((void) key_length); |
| |
| return( 0 ); |
| } |
| |
| 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_crypt_stream, |
| null_setkey, |
| null_setkey, |
| null_ctx_alloc, |
| null_ctx_free |
| }; |
| |
| const cipher_info_t null_cipher_info = { |
| POLARSSL_CIPHER_NULL, |
| POLARSSL_MODE_STREAM, |
| 0, |
| "NULL", |
| 0, |
| 0, |
| 1, |
| &null_base_info |
| }; |
| #endif /* defined(POLARSSL_CIPHER_NULL_CIPHER) */ |
| |
| const cipher_definition_t cipher_definitions[] = |
| { |
| #if defined(POLARSSL_AES_C) |
| { POLARSSL_CIPHER_AES_128_ECB, &aes_128_ecb_info }, |
| { POLARSSL_CIPHER_AES_192_ECB, &aes_192_ecb_info }, |
| { POLARSSL_CIPHER_AES_256_ECB, &aes_256_ecb_info }, |
| #if defined(POLARSSL_CIPHER_MODE_CBC) |
| { POLARSSL_CIPHER_AES_128_CBC, &aes_128_cbc_info }, |
| { POLARSSL_CIPHER_AES_192_CBC, &aes_192_cbc_info }, |
| { POLARSSL_CIPHER_AES_256_CBC, &aes_256_cbc_info }, |
| #endif |
| #if defined(POLARSSL_CIPHER_MODE_CFB) |
| { POLARSSL_CIPHER_AES_128_CFB128, &aes_128_cfb128_info }, |
| { POLARSSL_CIPHER_AES_192_CFB128, &aes_192_cfb128_info }, |
| { POLARSSL_CIPHER_AES_256_CFB128, &aes_256_cfb128_info }, |
| #endif |
| #if defined(POLARSSL_CIPHER_MODE_CTR) |
| { POLARSSL_CIPHER_AES_128_CTR, &aes_128_ctr_info }, |
| { POLARSSL_CIPHER_AES_192_CTR, &aes_192_ctr_info }, |
| { POLARSSL_CIPHER_AES_256_CTR, &aes_256_ctr_info }, |
| #endif |
| #if defined(POLARSSL_GCM_C) |
| { POLARSSL_CIPHER_AES_128_GCM, &aes_128_gcm_info }, |
| { POLARSSL_CIPHER_AES_192_GCM, &aes_192_gcm_info }, |
| { POLARSSL_CIPHER_AES_256_GCM, &aes_256_gcm_info }, |
| #endif |
| #endif /* POLARSSL_AES_C */ |
| |
| #if defined(POLARSSL_ARC4_C) |
| { POLARSSL_CIPHER_ARC4_128, &arc4_128_info }, |
| #endif |
| |
| #if defined(POLARSSL_BLOWFISH_C) |
| { POLARSSL_CIPHER_BLOWFISH_ECB, &blowfish_ecb_info }, |
| #if defined(POLARSSL_CIPHER_MODE_CBC) |
| { POLARSSL_CIPHER_BLOWFISH_CBC, &blowfish_cbc_info }, |
| #endif |
| #if defined(POLARSSL_CIPHER_MODE_CFB) |
| { POLARSSL_CIPHER_BLOWFISH_CFB64, &blowfish_cfb64_info }, |
| #endif |
| #if defined(POLARSSL_CIPHER_MODE_CTR) |
| { POLARSSL_CIPHER_BLOWFISH_CTR, &blowfish_ctr_info }, |
| #endif |
| #endif /* POLARSSL_BLOWFISH_C */ |
| |
| #if defined(POLARSSL_CAMELLIA_C) |
| { POLARSSL_CIPHER_CAMELLIA_128_ECB, &camellia_128_ecb_info }, |
| { POLARSSL_CIPHER_CAMELLIA_192_ECB, &camellia_192_ecb_info }, |
| { POLARSSL_CIPHER_CAMELLIA_256_ECB, &camellia_256_ecb_info }, |
| #if defined(POLARSSL_CIPHER_MODE_CBC) |
| { POLARSSL_CIPHER_CAMELLIA_128_CBC, &camellia_128_cbc_info }, |
| { POLARSSL_CIPHER_CAMELLIA_192_CBC, &camellia_192_cbc_info }, |
| { POLARSSL_CIPHER_CAMELLIA_256_CBC, &camellia_256_cbc_info }, |
| #endif |
| #if defined(POLARSSL_CIPHER_MODE_CFB) |
| { POLARSSL_CIPHER_CAMELLIA_128_CFB128, &camellia_128_cfb128_info }, |
| { POLARSSL_CIPHER_CAMELLIA_192_CFB128, &camellia_192_cfb128_info }, |
| { POLARSSL_CIPHER_CAMELLIA_256_CFB128, &camellia_256_cfb128_info }, |
| #endif |
| #if defined(POLARSSL_CIPHER_MODE_CTR) |
| { POLARSSL_CIPHER_CAMELLIA_128_CTR, &camellia_128_ctr_info }, |
| { POLARSSL_CIPHER_CAMELLIA_192_CTR, &camellia_192_ctr_info }, |
| { POLARSSL_CIPHER_CAMELLIA_256_CTR, &camellia_256_ctr_info }, |
| #endif |
| #if defined(POLARSSL_GCM_C) |
| { POLARSSL_CIPHER_CAMELLIA_128_GCM, &camellia_128_gcm_info }, |
| { POLARSSL_CIPHER_CAMELLIA_192_GCM, &camellia_192_gcm_info }, |
| { POLARSSL_CIPHER_CAMELLIA_256_GCM, &camellia_256_gcm_info }, |
| #endif |
| #endif /* POLARSSL_CAMELLIA_C */ |
| |
| #if defined(POLARSSL_DES_C) |
| { POLARSSL_CIPHER_DES_ECB, &des_ecb_info }, |
| { POLARSSL_CIPHER_DES_EDE_ECB, &des_ede_ecb_info }, |
| { POLARSSL_CIPHER_DES_EDE3_ECB, &des_ede3_ecb_info }, |
| #if defined(POLARSSL_CIPHER_MODE_CBC) |
| { POLARSSL_CIPHER_DES_CBC, &des_cbc_info }, |
| { POLARSSL_CIPHER_DES_EDE_CBC, &des_ede_cbc_info }, |
| { POLARSSL_CIPHER_DES_EDE3_CBC, &des_ede3_cbc_info }, |
| #endif |
| #endif /* POLARSSL_DES_C */ |
| |
| #if defined(POLARSSL_CIPHER_NULL_CIPHER) |
| { POLARSSL_CIPHER_NULL, &null_cipher_info }, |
| #endif /* POLARSSL_CIPHER_NULL_CIPHER */ |
| |
| { 0, NULL } |
| }; |
| |
| #define NUM_CIPHERS sizeof cipher_definitions / sizeof cipher_definitions[0] |
| int supported_ciphers[NUM_CIPHERS]; |
| |
| #endif |