Hannes Tschofenig
Example program to test AES-GCM functionality. Used for a workshop
Diff: SSL/library/cipher_wrap.c
- Revision:
- 0:796d0f61a05b
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/SSL/library/cipher_wrap.c Thu Sep 27 06:34:22 2018 +0000
@@ -0,0 +1,1288 @@
+/**
+ * \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.
+ */
+
+#if !defined(POLARSSL_CONFIG_FILE)
+#include "polarssl/config.h"
+#else
+#include POLARSSL_CONFIG_FILE
+#endif
+
+#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 /* POLARSSL_GCM_C */
+
+#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 /* POLARSSL_CIPHER_MODE_CFB */
+}
+
+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 /* POLARSSL_CIPHER_MODE_CTR */
+}
+
+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 /* POLARSSL_AES_C */
+
+#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 /* POLARSSL_CIPHER_MODE_CFB */
+}
+
+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 /* POLARSSL_CIPHER_MODE_CTR */
+}
+
+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 /* POLARSSL_DES_C */
+
+#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 /* POLARSSL_CIPHER_MODE_CFB */
+}
+
+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 /* POLARSSL_CIPHER_MODE_CTR */
+}
+
+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 /* POLARSSL_CIPHER_C */
+
+