1 files changed, 595 insertions, 0 deletions
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 <dejong@fox-it.com>
+ *
+ *  Copyright (C) 2006-2012, 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_CAMELLIA_C)
+#include "polarssl/camellia.h"
+#endif
+
+#if defined(POLARSSL_DES_C)
+#include "polarssl/des.h"
+#endif
+
+#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
+
+#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