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- Added Blowfish to generic cipher layer

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- Renamed POLARSSL_MODE_CFB128 to POLARSSL_MODE_CFB
This commit is contained in:
Paul Bakker
2012-07-04 17:10:40 +00:00
parent 26c4e3cb0b
commit 6132d0aa93
9 changed files with 525 additions and 19 deletions
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128
library/cipher_wrap.c
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@ -45,6 +45,10 @@
#include "polarssl/des.h"
#endif
#if defined(POLARSSL_BLOWFISH_C)
#include "polarssl/blowfish.h"
#endif
#include <stdlib.h>
#if defined(POLARSSL_AES_C)
@ -157,7 +161,7 @@ const cipher_info_t aes_256_cbc_info = {
#if defined(POLARSSL_CIPHER_MODE_CFB)
const cipher_info_t aes_128_cfb128_info = {
POLARSSL_CIPHER_AES_128_CFB128,
POLARSSL_MODE_CFB128,
POLARSSL_MODE_CFB,
128,
"AES-128-CFB128",
16,
@ -167,7 +171,7 @@ const cipher_info_t aes_128_cfb128_info = {
const cipher_info_t aes_192_cfb128_info = {
POLARSSL_CIPHER_AES_192_CFB128,
POLARSSL_MODE_CFB128,
POLARSSL_MODE_CFB,
192,
"AES-192-CFB128",
16,
@ -177,7 +181,7 @@ const cipher_info_t aes_192_cfb128_info = {
const cipher_info_t aes_256_cfb128_info = {
POLARSSL_CIPHER_AES_256_CFB128,
POLARSSL_MODE_CFB128,
POLARSSL_MODE_CFB,
256,
"AES-256-CFB128",
16,
@ -330,7 +334,7 @@ const cipher_info_t camellia_256_cbc_info = {
#if defined(POLARSSL_CIPHER_MODE_CFB)
const cipher_info_t camellia_128_cfb128_info = {
POLARSSL_CIPHER_CAMELLIA_128_CFB128,
POLARSSL_MODE_CFB128,
POLARSSL_MODE_CFB,
128,
"CAMELLIA-128-CFB128",
16,
@ -340,7 +344,7 @@ const cipher_info_t camellia_128_cfb128_info = {
const cipher_info_t camellia_192_cfb128_info = {
POLARSSL_CIPHER_CAMELLIA_192_CFB128,
POLARSSL_MODE_CFB128,
POLARSSL_MODE_CFB,
192,
"CAMELLIA-192-CFB128",
16,
@ -350,7 +354,7 @@ const cipher_info_t camellia_192_cfb128_info = {
const cipher_info_t camellia_256_cfb128_info = {
POLARSSL_CIPHER_CAMELLIA_256_CFB128,
POLARSSL_MODE_CFB128,
POLARSSL_MODE_CFB,
256,
"CAMELLIA-256-CFB128",
16,
@ -558,6 +562,118 @@ const cipher_info_t des_ede3_cbc_info = {
};
#endif
#if defined(POLARSSL_BLOWFISH_C)
int blowfish_crypt_cbc_wrap( void *ctx, operation_t operation, size_t length,
unsigned char *iv, const unsigned char *input, unsigned char *output )
{
return blowfish_crypt_cbc( (blowfish_context *) ctx, operation, length, iv, input, output );
}
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
}
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
}
int blowfish_setkey_dec_wrap( void *ctx, const unsigned char *key, unsigned int key_length )
{
return blowfish_setkey( (blowfish_context *) ctx, key, key_length );
}
int blowfish_setkey_enc_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 malloc( sizeof( blowfish_context ) );
}
static void blowfish_ctx_free( void *ctx )
{
free( ctx );
}
const cipher_base_t blowfish_info = {
POLARSSL_CIPHER_ID_BLOWFISH,
blowfish_crypt_cbc_wrap,
blowfish_crypt_cfb64_wrap,
blowfish_crypt_ctr_wrap,
blowfish_setkey_enc_wrap,
blowfish_setkey_dec_wrap,
blowfish_ctx_alloc,
blowfish_ctx_free
};
const cipher_info_t blowfish_cbc_info = {
POLARSSL_CIPHER_BLOWFISH_CBC,
POLARSSL_MODE_CBC,
32,
"BLOWFISH-CBC",
8,
8,
&blowfish_info
};
#if defined(POLARSSL_CIPHER_MODE_CFB)
const cipher_info_t blowfish_cfb64_info = {
POLARSSL_CIPHER_BLOWFISH_CFB64,
POLARSSL_MODE_CFB,
32,
"BLOWFISH-CFB64",
8,
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,
32,
"BLOWFISH-CTR",
8,
8,
&blowfish_info
};
#endif /* POLARSSL_CIPHER_MODE_CTR */
#endif /* POLARSSL_BLOWFISH_C */
#if defined(POLARSSL_CIPHER_NULL_CIPHER)
static void * null_ctx_alloc( void )
{