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Add arc4 support in the cipher layer

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This commit is contained in:
Manuel Pégourié-Gonnard
2013-08-28 13:50:42 +02:00
parent f451bac000
commit 37e230c022
6 changed files with 183 additions and 5 deletions
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35
library/cipher_wrap.c
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@ -37,6 +37,10 @@
#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
@ -129,6 +133,7 @@ const cipher_base_t aes_info = {
aes_crypt_cbc_wrap,
aes_crypt_cfb128_wrap,
aes_crypt_ctr_wrap,
NULL,
aes_setkey_enc_wrap,
aes_setkey_dec_wrap,
aes_ctx_alloc,
@ -324,6 +329,7 @@ const cipher_base_t camellia_info = {
camellia_crypt_cbc_wrap,
camellia_crypt_cfb128_wrap,
camellia_crypt_ctr_wrap,
NULL,
camellia_setkey_enc_wrap,
camellia_setkey_dec_wrap,
camellia_ctx_alloc,
@ -531,6 +537,7 @@ const cipher_base_t des_info = {
des_crypt_cbc_wrap,
des_crypt_cfb128_wrap,
des_crypt_ctr_wrap,
NULL,
des_setkey_enc_wrap,
des_setkey_dec_wrap,
des_ctx_alloc,
@ -552,6 +559,7 @@ const cipher_base_t des_ede_info = {
des3_crypt_cbc_wrap,
des_crypt_cfb128_wrap,
des_crypt_ctr_wrap,
NULL,
des3_set2key_enc_wrap,
des3_set2key_dec_wrap,
des3_ctx_alloc,
@ -573,6 +581,7 @@ const cipher_base_t des_ede3_info = {
des3_crypt_cbc_wrap,
des_crypt_cfb128_wrap,
des_crypt_ctr_wrap,
NULL,
des3_set3key_enc_wrap,
des3_set3key_dec_wrap,
des3_ctx_alloc,
@ -661,6 +670,7 @@ const cipher_base_t blowfish_info = {
blowfish_crypt_cbc_wrap,
blowfish_crypt_cfb64_wrap,
blowfish_crypt_ctr_wrap,
NULL,
blowfish_setkey_enc_wrap,
blowfish_setkey_dec_wrap,
blowfish_ctx_alloc,
@ -703,15 +713,28 @@ const cipher_info_t blowfish_ctr_info = {
#endif /* POLARSSL_BLOWFISH_C */
#if defined(POLARSSL_ARC4_C)
static void * arc4_ctx_alloc( void )
static int arc4_crypt_stream_wrap( void *ctx, size_t length,
const unsigned char *input,
unsigned char *output )
{
return (void *) 1;
return( arc4_crypt( (arc4_context *) ctx, length, input, output ) );
}
static int arc4_setkey_wrap( void *ctx, const unsigned char *key,
unsigned int key_length )
{
arc4_setup( (arc4_context *) ctx, key, key_length );
return( 0 );
}
static void * arc4_ctx_alloc( void )
{
return polarssl_malloc( sizeof( arc4_context ) );
}
static void arc4_ctx_free( void *ctx )
{
((void) ctx);
polarssl_free( ctx );
}
const cipher_base_t arc4_base_info = {
@ -719,8 +742,9 @@ const cipher_base_t arc4_base_info = {
NULL,
NULL,
NULL,
NULL,
NULL,
arc4_crypt_stream_wrap,
arc4_setkey_wrap,
arc4_setkey_wrap,
arc4_ctx_alloc,
arc4_ctx_free
};
@ -755,6 +779,7 @@ const cipher_base_t null_base_info = {
NULL,
NULL,
NULL,
NULL,
null_ctx_alloc,
null_ctx_free
};