- Expanded generic cipher layer with support for CTR and CFB128 modes of operation.
diff --git a/library/cipher.c b/library/cipher.c
index 56ac7c4..7e24ebf 100644
--- a/library/cipher.c
+++ b/library/cipher.c
@@ -46,12 +46,38 @@
POLARSSL_CIPHER_AES_128_CBC,
POLARSSL_CIPHER_AES_192_CBC,
POLARSSL_CIPHER_AES_256_CBC,
+
+#if defined(POLARSSL_CIPHER_MODE_CFB)
+ POLARSSL_CIPHER_AES_128_CFB128,
+ POLARSSL_CIPHER_AES_192_CFB128,
+ POLARSSL_CIPHER_AES_256_CFB128,
+#endif /* defined(POLARSSL_CIPHER_MODE_CFB) */
+
+#if defined(POLARSSL_CIPHER_MODE_CTR)
+ POLARSSL_CIPHER_AES_128_CTR,
+ POLARSSL_CIPHER_AES_192_CTR,
+ POLARSSL_CIPHER_AES_256_CTR,
+#endif /* defined(POLARSSL_CIPHER_MODE_CTR) */
+
#endif /* defined(POLARSSL_AES_C) */
#if defined(POLARSSL_CAMELLIA_C)
POLARSSL_CIPHER_CAMELLIA_128_CBC,
POLARSSL_CIPHER_CAMELLIA_192_CBC,
POLARSSL_CIPHER_CAMELLIA_256_CBC,
+
+#if defined(POLARSSL_CIPHER_MODE_CFB)
+ POLARSSL_CIPHER_CAMELLIA_128_CFB128,
+ POLARSSL_CIPHER_CAMELLIA_192_CFB128,
+ POLARSSL_CIPHER_CAMELLIA_256_CFB128,
+#endif /* defined(POLARSSL_CIPHER_MODE_CFB) */
+
+#if defined(POLARSSL_CIPHER_MODE_CTR)
+ POLARSSL_CIPHER_CAMELLIA_128_CTR,
+ POLARSSL_CIPHER_CAMELLIA_192_CTR,
+ POLARSSL_CIPHER_CAMELLIA_256_CTR,
+#endif /* defined(POLARSSL_CIPHER_MODE_CTR) */
+
#endif /* defined(POLARSSL_CAMELLIA_C) */
#if defined(POLARSSL_DES_C)
@@ -80,6 +106,25 @@
return &aes_192_cbc_info;
case POLARSSL_CIPHER_AES_256_CBC:
return &aes_256_cbc_info;
+
+#if defined(POLARSSL_CIPHER_MODE_CFB)
+ case POLARSSL_CIPHER_AES_128_CFB128:
+ return &aes_128_cfb128_info;
+ case POLARSSL_CIPHER_AES_192_CFB128:
+ return &aes_192_cfb128_info;
+ case POLARSSL_CIPHER_AES_256_CFB128:
+ return &aes_256_cfb128_info;
+#endif /* defined(POLARSSL_CIPHER_MODE_CFB) */
+
+#if defined(POLARSSL_CIPHER_MODE_CTR)
+ case POLARSSL_CIPHER_AES_128_CTR:
+ return &aes_128_ctr_info;
+ case POLARSSL_CIPHER_AES_192_CTR:
+ return &aes_192_ctr_info;
+ case POLARSSL_CIPHER_AES_256_CTR:
+ return &aes_256_ctr_info;
+#endif /* defined(POLARSSL_CIPHER_MODE_CTR) */
+
#endif
#if defined(POLARSSL_CAMELLIA_C)
@@ -89,6 +134,25 @@
return &camellia_192_cbc_info;
case POLARSSL_CIPHER_CAMELLIA_256_CBC:
return &camellia_256_cbc_info;
+
+#if defined(POLARSSL_CIPHER_MODE_CFB)
+ case POLARSSL_CIPHER_CAMELLIA_128_CFB128:
+ return &camellia_128_cfb128_info;
+ case POLARSSL_CIPHER_CAMELLIA_192_CFB128:
+ return &camellia_192_cfb128_info;
+ case POLARSSL_CIPHER_CAMELLIA_256_CFB128:
+ return &camellia_256_cfb128_info;
+#endif /* defined(POLARSSL_CIPHER_MODE_CFB) */
+
+#if defined(POLARSSL_CIPHER_MODE_CTR)
+ case POLARSSL_CIPHER_CAMELLIA_128_CTR:
+ return &camellia_128_ctr_info;
+ case POLARSSL_CIPHER_CAMELLIA_192_CTR:
+ return &camellia_192_ctr_info;
+ case POLARSSL_CIPHER_CAMELLIA_256_CTR:
+ return &camellia_256_ctr_info;
+#endif /* defined(POLARSSL_CIPHER_MODE_CTR) */
+
#endif
#if defined(POLARSSL_DES_C)
@@ -110,7 +174,7 @@
if( NULL == cipher_name )
return NULL;
- /* Get the appropriate digest information */
+ /* Get the appropriate cipher information */
#if defined(POLARSSL_CAMELLIA_C)
if( !strcasecmp( "CAMELLIA-128-CBC", cipher_name ) )
return cipher_info_from_type( POLARSSL_CIPHER_CAMELLIA_128_CBC );
@@ -118,7 +182,26 @@
return cipher_info_from_type( POLARSSL_CIPHER_CAMELLIA_192_CBC );
if( !strcasecmp( "CAMELLIA-256-CBC", cipher_name ) )
return cipher_info_from_type( POLARSSL_CIPHER_CAMELLIA_256_CBC );
+
+#if defined(POLARSSL_CIPHER_MODE_CFB)
+ if( !strcasecmp( "CAMELLIA-128-CFB128", cipher_name ) )
+ return cipher_info_from_type( POLARSSL_CIPHER_CAMELLIA_128_CFB128 );
+ if( !strcasecmp( "CAMELLIA-192-CFB128", cipher_name ) )
+ return cipher_info_from_type( POLARSSL_CIPHER_CAMELLIA_192_CFB128 );
+ if( !strcasecmp( "CAMELLIA-256-CFB128", cipher_name ) )
+ return cipher_info_from_type( POLARSSL_CIPHER_CAMELLIA_256_CFB128 );
+#endif /* defined(POLARSSL_CIPHER_MODE_CFB) */
+
+#if defined(POLARSSL_CIPHER_MODE_CTR)
+ if( !strcasecmp( "CAMELLIA-128-CTR", cipher_name ) )
+ return cipher_info_from_type( POLARSSL_CIPHER_CAMELLIA_128_CTR );
+ if( !strcasecmp( "CAMELLIA-192-CTR", cipher_name ) )
+ return cipher_info_from_type( POLARSSL_CIPHER_CAMELLIA_192_CTR );
+ if( !strcasecmp( "CAMELLIA-256-CTR", cipher_name ) )
+ return cipher_info_from_type( POLARSSL_CIPHER_CAMELLIA_256_CTR );
+#endif /* defined(POLARSSL_CIPHER_MODE_CTR) */
#endif
+
#if defined(POLARSSL_AES_C)
if( !strcasecmp( "AES-128-CBC", cipher_name ) )
return cipher_info_from_type( POLARSSL_CIPHER_AES_128_CBC );
@@ -126,7 +209,26 @@
return cipher_info_from_type( POLARSSL_CIPHER_AES_192_CBC );
if( !strcasecmp( "AES-256-CBC", cipher_name ) )
return cipher_info_from_type( POLARSSL_CIPHER_AES_256_CBC );
+
+#if defined(POLARSSL_CIPHER_MODE_CFB)
+ if( !strcasecmp( "AES-128-CFB128", cipher_name ) )
+ return cipher_info_from_type( POLARSSL_CIPHER_AES_128_CFB128 );
+ if( !strcasecmp( "AES-192-CFB128", cipher_name ) )
+ return cipher_info_from_type( POLARSSL_CIPHER_AES_192_CFB128 );
+ if( !strcasecmp( "AES-256-CFB128", cipher_name ) )
+ return cipher_info_from_type( POLARSSL_CIPHER_AES_256_CFB128 );
+#endif /* defined(POLARSSL_CIPHER_MODE_CFB) */
+
+#if defined(POLARSSL_CIPHER_MODE_CTR)
+ if( !strcasecmp( "AES-128-CTR", cipher_name ) )
+ return cipher_info_from_type( POLARSSL_CIPHER_AES_128_CTR );
+ if( !strcasecmp( "AES-192-CTR", cipher_name ) )
+ return cipher_info_from_type( POLARSSL_CIPHER_AES_192_CTR );
+ if( !strcasecmp( "AES-256-CTR", cipher_name ) )
+ return cipher_info_from_type( POLARSSL_CIPHER_AES_256_CTR );
+#endif /* defined(POLARSSL_CIPHER_MODE_CTR) */
#endif
+
#if defined(POLARSSL_DES_C)
if( !strcasecmp( "DES-CBC", cipher_name ) )
return cipher_info_from_type( POLARSSL_CIPHER_DES_CBC );
@@ -145,7 +247,7 @@
memset( ctx, 0, sizeof( ctx ) );
- if( NULL == ( ctx->cipher_ctx = cipher_info->ctx_alloc_func() ) )
+ if( NULL == ( ctx->cipher_ctx = cipher_info->base->ctx_alloc_func() ) )
return 2;
ctx->cipher_info = cipher_info;
@@ -158,7 +260,7 @@
if( ctx == NULL || ctx->cipher_info == NULL )
return 1;
- ctx->cipher_info->ctx_free_func( ctx->cipher_ctx );
+ ctx->cipher_info->base->ctx_free_func( ctx->cipher_ctx );
return 0;
}
@@ -172,12 +274,19 @@
ctx->key_length = key_length;
ctx->operation = operation;
- if (POLARSSL_ENCRYPT == operation)
- return ctx->cipher_info->setkey_enc_func( ctx->cipher_ctx, key,
+ /*
+ * For CFB128 and CTR mode always use the encryption key schedule
+ */
+ if( POLARSSL_ENCRYPT == operation ||
+ POLARSSL_MODE_CFB128 == ctx->cipher_info->mode ||
+ POLARSSL_MODE_CTR == ctx->cipher_info->mode )
+ {
+ return ctx->cipher_info->base->setkey_enc_func( ctx->cipher_ctx, key,
ctx->key_length );
+ }
- if (POLARSSL_DECRYPT == operation)
- return ctx->cipher_info->setkey_dec_func( ctx->cipher_ctx, key,
+ if( POLARSSL_DECRYPT == operation )
+ return ctx->cipher_info->base->setkey_dec_func( ctx->cipher_ctx, key,
ctx->key_length );
return 1;
@@ -235,7 +344,7 @@
memcpy( &( ctx->unprocessed_data[ctx->unprocessed_len] ), input,
copy_len );
- if( 0 != ctx->cipher_info->cbc_func( ctx->cipher_ctx,
+ if( 0 != ctx->cipher_info->base->cbc_func( ctx->cipher_ctx,
ctx->operation, cipher_get_block_size( ctx ), ctx->iv,
ctx->unprocessed_data, output) )
{
@@ -271,7 +380,7 @@
*/
if( ilen )
{
- if( 0 != ctx->cipher_info->cbc_func( ctx->cipher_ctx,
+ if( 0 != ctx->cipher_info->base->cbc_func( ctx->cipher_ctx,
ctx->operation, ilen, ctx->iv, input, output ) )
{
return 1;
@@ -282,6 +391,34 @@
return 0;
}
+ if( ctx->cipher_info->mode == POLARSSL_MODE_CFB128 )
+ {
+ if( 0 != ctx->cipher_info->base->cfb128_func( ctx->cipher_ctx,
+ ctx->operation, ilen, &ctx->unprocessed_len, ctx->iv,
+ input, output ) )
+ {
+ return 1;
+ }
+
+ *olen = ilen;
+
+ return 0;
+ }
+
+ if( ctx->cipher_info->mode == POLARSSL_MODE_CTR )
+ {
+ if( 0 != ctx->cipher_info->base->ctr_func( ctx->cipher_ctx,
+ ilen, &ctx->unprocessed_len, ctx->iv,
+ ctx->unprocessed_data, input, output ) )
+ {
+ return 1;
+ }
+
+ *olen = ilen;
+
+ return 0;
+ }
+
return 1;
}
@@ -325,6 +462,12 @@
*olen = 0;
+ if( POLARSSL_MODE_CFB128 == ctx->cipher_info->mode ||
+ POLARSSL_MODE_CTR == ctx->cipher_info->mode )
+ {
+ return 0;
+ }
+
if( POLARSSL_MODE_CBC == ctx->cipher_info->mode )
{
if( POLARSSL_ENCRYPT == ctx->operation )
@@ -339,7 +482,7 @@
}
/* cipher block */
- if( 0 != ctx->cipher_info->cbc_func( ctx->cipher_ctx, ctx->operation,
+ if( 0 != ctx->cipher_info->base->cbc_func( ctx->cipher_ctx, ctx->operation,
cipher_get_block_size( ctx ), ctx->iv, ctx->unprocessed_data,
output ) )
{
diff --git a/library/cipher_wrap.c b/library/cipher_wrap.c
index f1abf29..a7abf2a 100644
--- a/library/cipher_wrap.c
+++ b/library/cipher_wrap.c
@@ -46,6 +46,44 @@
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 );
@@ -66,50 +104,111 @@
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_CIPHER_ID_AES,
POLARSSL_MODE_CBC,
128,
"AES-128-CBC",
16,
16,
- aes_crypt_cbc_wrap,
- aes_setkey_enc_wrap,
- aes_setkey_dec_wrap,
- aes_ctx_alloc,
- aes_ctx_free
+ &aes_info
};
const cipher_info_t aes_192_cbc_info = {
POLARSSL_CIPHER_AES_192_CBC,
- POLARSSL_CIPHER_ID_AES,
POLARSSL_MODE_CBC,
192,
"AES-192-CBC",
16,
16,
- aes_crypt_cbc_wrap,
- aes_setkey_enc_wrap,
- aes_setkey_dec_wrap,
- aes_ctx_alloc,
- aes_ctx_free
+ &aes_info
};
const cipher_info_t aes_256_cbc_info = {
POLARSSL_CIPHER_AES_256_CBC,
- POLARSSL_CIPHER_ID_AES,
POLARSSL_MODE_CBC,
256,
"AES-256-CBC",
16,
16,
- aes_crypt_cbc_wrap,
- aes_setkey_enc_wrap,
- aes_setkey_dec_wrap,
- aes_ctx_alloc,
- aes_ctx_free
+ &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)
@@ -120,6 +219,44 @@
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 );
@@ -140,50 +277,111 @@
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_CIPHER_ID_CAMELLIA,
POLARSSL_MODE_CBC,
128,
"CAMELLIA-128-CBC",
16,
16,
- camellia_crypt_cbc_wrap,
- camellia_setkey_enc_wrap,
- camellia_setkey_dec_wrap,
- camellia_ctx_alloc,
- camellia_ctx_free
+ &camellia_info
};
const cipher_info_t camellia_192_cbc_info = {
POLARSSL_CIPHER_CAMELLIA_192_CBC,
- POLARSSL_CIPHER_ID_CAMELLIA,
POLARSSL_MODE_CBC,
192,
"CAMELLIA-192-CBC",
16,
16,
- camellia_crypt_cbc_wrap,
- camellia_setkey_enc_wrap,
- camellia_setkey_dec_wrap,
- camellia_ctx_alloc,
- camellia_ctx_free
+ &camellia_info
};
const cipher_info_t camellia_256_cbc_info = {
POLARSSL_CIPHER_CAMELLIA_256_CBC,
- POLARSSL_CIPHER_ID_CAMELLIA,
POLARSSL_MODE_CBC,
256,
"CAMELLIA-256-CBC",
16,
16,
- camellia_crypt_cbc_wrap,
- camellia_setkey_enc_wrap,
- camellia_setkey_dec_wrap,
- camellia_ctx_alloc,
- camellia_ctx_free
+ &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)
@@ -200,6 +398,36 @@
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);
@@ -257,49 +485,67 @@
free( ctx );
}
-const cipher_info_t des_cbc_info = {
- POLARSSL_CIPHER_DES_CBC,
+const cipher_base_t des_info = {
POLARSSL_CIPHER_ID_DES,
- POLARSSL_MODE_CBC,
- POLARSSL_KEY_LENGTH_DES,
- "DES-CBC",
- 8,
- 8,
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_ede_cbc_info = {
- POLARSSL_CIPHER_DES_EDE_CBC,
- POLARSSL_CIPHER_ID_DES,
+const cipher_info_t des_cbc_info = {
+ POLARSSL_CIPHER_DES_CBC,
POLARSSL_MODE_CBC,
- POLARSSL_KEY_LENGTH_DES_EDE,
- "DES-EDE-CBC",
- 16,
- 16,
+ 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_CIPHER_ID_DES,
POLARSSL_MODE_CBC,
POLARSSL_KEY_LENGTH_DES_EDE3,
"DES-EDE3-CBC",
8,
8,
- des3_crypt_cbc_wrap,
- des3_set3key_enc_wrap,
- des3_set3key_dec_wrap,
- des3_ctx_alloc,
- des_ctx_free
+ &des_ede3_info
};
#endif