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Moved to advanced ciphersuite representation and more dynamic SSL code

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This commit is contained in:
Paul Bakker 2013-01-07 18:20:04 +01:00
parent 9b5798dc75
commit 68884e3c09
15 changed files with 947 additions and 964 deletions
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35
library/cipher.c
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@ -5,7 +5,7 @@
*
* \author Adriaan de Jong <dejong@fox-it.com>
*
* Copyright (C) 2006-2012, Brainspark B.V.
* Copyright (C) 2006-2013, Brainspark B.V.
*
* This file is part of PolarSSL (http://www.polarssl.org)
* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
@ -142,6 +142,13 @@ const cipher_info_t *cipher_info_from_type( const cipher_type_t cipher_type )
return &aes_256_ctr_info;
#endif /* defined(POLARSSL_CIPHER_MODE_CTR) */
#if defined(POLARSSL_GCM_C)
case POLARSSL_CIPHER_AES_128_GCM:
return &aes_128_gcm_info;
case POLARSSL_CIPHER_AES_256_GCM:
return &aes_256_gcm_info;
#endif /* defined(POLARSSL_GCM_C) */
#endif
#if defined(POLARSSL_CAMELLIA_C)
@ -181,6 +188,11 @@ const cipher_info_t *cipher_info_from_type( const cipher_type_t cipher_type )
return &des_ede3_cbc_info;
#endif
#if defined(POLARSSL_ARC4_C)
case POLARSSL_CIPHER_ARC4_128:
return &arc4_128_info;
#endif
#if defined(POLARSSL_BLOWFISH_C)
case POLARSSL_CIPHER_BLOWFISH_CBC:
return &blowfish_cbc_info;
@ -374,19 +386,28 @@ int cipher_update( cipher_context_t *ctx, const unsigned char *input, size_t ile
int ret;
size_t copy_len = 0;
if( NULL == ctx || NULL == ctx->cipher_info || NULL == olen ||
input == output )
*olen = 0;
if( NULL == ctx || NULL == ctx->cipher_info || NULL == olen )
{
return POLARSSL_ERR_CIPHER_BAD_INPUT_DATA;
}
*olen = 0;
if( input == output &&
( ctx->unprocessed_len != 0 || ilen % cipher_get_block_size( ctx ) ) )
{
return POLARSSL_ERR_CIPHER_BAD_INPUT_DATA;
}
#if defined(POLARSSL_CIPHER_NULL_CIPHER)
if( ctx->cipher_info->mode == POLARSSL_MODE_NULL )
{
memcpy( output, input, ilen );
*olen = ilen;
if( output == input )
return( 0 );
memcpy( output, input, ilen );
return 0;
}
#endif /* defined(POLARSSL_CIPHER_NULL_CIPHER) */
@ -465,6 +486,7 @@ int cipher_update( cipher_context_t *ctx, const unsigned char *input, size_t ile
return 0;
}
#if defined(POLARSSL_CIPHER_MODE_CFB)
if( ctx->cipher_info->mode == POLARSSL_MODE_CFB )
{
if( 0 != ( ret = ctx->cipher_info->base->cfb_func( ctx->cipher_ctx,
@ -478,7 +500,9 @@ int cipher_update( cipher_context_t *ctx, const unsigned char *input, size_t ile
return 0;
}
#endif
#if defined(POLARSSL_CIPHER_MODE_CTR)
if( ctx->cipher_info->mode == POLARSSL_MODE_CTR )
{
if( 0 != ( ret = ctx->cipher_info->base->ctr_func( ctx->cipher_ctx,
@ -492,6 +516,7 @@ int cipher_update( cipher_context_t *ctx, const unsigned char *input, size_t ile
return 0;
}
#endif
return POLARSSL_ERR_CIPHER_FEATURE_UNAVAILABLE;
}