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/* crypto/evp/e_camellia.c */
/* ====================================================================
* Copyright (c) 2006 The OpenSSL Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
*
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
* openssl-core@openssl.org.
*
* 5. Products derived from this software may not be called "OpenSSL"
* nor may "OpenSSL" appear in their names without prior written
* permission of the OpenSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit (http://www.openssl.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
* ====================================================================
*
* This product includes cryptographic software written by Eric Young
* (eay@cryptsoft.com). This product includes software written by Tim
* Hudson (tjh@cryptsoft.com).
*
*/
#include <openssl/opensslconf.h>
#ifndef OPENSSL_NO_CAMELLIA
# include <openssl/evp.h>
# include <openssl/err.h>
# include <string.h>
# include <assert.h>
# include <openssl/camellia.h>
# include "evp_locl.h"
static int camellia_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
const unsigned char *iv, int enc);
/* Camellia subkey Structure */
typedef struct {
CAMELLIA_KEY ks;
} EVP_CAMELLIA_KEY;
/* Attribute operation for Camellia */
# define data(ctx) EVP_C_DATA(EVP_CAMELLIA_KEY,ctx)
IMPLEMENT_BLOCK_CIPHER(camellia_128, ks, Camellia, EVP_CAMELLIA_KEY,
NID_camellia_128, 16, 16, 16, 128,
0, camellia_init_key, NULL,
EVP_CIPHER_set_asn1_iv, EVP_CIPHER_get_asn1_iv, NULL)
IMPLEMENT_BLOCK_CIPHER(camellia_192, ks, Camellia, EVP_CAMELLIA_KEY,
NID_camellia_192, 16, 24, 16, 128,
0, camellia_init_key, NULL,
EVP_CIPHER_set_asn1_iv, EVP_CIPHER_get_asn1_iv, NULL)
IMPLEMENT_BLOCK_CIPHER(camellia_256, ks, Camellia, EVP_CAMELLIA_KEY,
NID_camellia_256, 16, 32, 16, 128,
0, camellia_init_key, NULL,
EVP_CIPHER_set_asn1_iv, EVP_CIPHER_get_asn1_iv, NULL)
# define IMPLEMENT_CAMELLIA_CFBR(ksize,cbits) IMPLEMENT_CFBR(camellia,Camellia,EVP_CAMELLIA_KEY,ks,ksize,cbits,16)
IMPLEMENT_CAMELLIA_CFBR(128, 1)
IMPLEMENT_CAMELLIA_CFBR(192, 1)
IMPLEMENT_CAMELLIA_CFBR(256, 1)
IMPLEMENT_CAMELLIA_CFBR(128, 8)
IMPLEMENT_CAMELLIA_CFBR(192, 8)
IMPLEMENT_CAMELLIA_CFBR(256, 8)
/* The subkey for Camellia is generated. */
static int camellia_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
const unsigned char *iv, int enc)
{
int ret;
ret = Camellia_set_key(key, ctx->key_len * 8, ctx->cipher_data);
if (ret < 0) {
EVPerr(EVP_F_CAMELLIA_INIT_KEY, EVP_R_CAMELLIA_KEY_SETUP_FAILED);
return 0;
}
return 1;
}
#else
# ifdef PEDANTIC
static void *dummy = &dummy;
# endif
#endif
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