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/* crypto/camellia/camellia_misc.c -*- mode:C; c-file-style: "eay" -*- */
/* ====================================================================
* 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.
* ====================================================================
*
*/
#include <openssl/opensslv.h>
#include <openssl/camellia.h>
#include "cmll_locl.h"
#include <openssl/crypto.h>
#ifdef OPENSSL_FIPS
#include <openssl/fips.h>
#endif
const char CAMELLIA_version[]="CAMELLIA" OPENSSL_VERSION_PTEXT;
int Camellia_set_key(const unsigned char *userKey, const int bits,
CAMELLIA_KEY *key)
#ifdef OPENSSL_FIPS
{
if (FIPS_mode())
FIPS_BAD_ABORT(CAMELLIA)
return private_Camellia_set_key(userKey, bits, key);
}
int private_Camellia_set_key(const unsigned char *userKey, const int bits,
CAMELLIA_KEY *key)
#endif
{
if (!userKey || !key)
{
return -1;
}
switch(bits)
{
case 128:
camellia_setup128(userKey, (unsigned int *)key->rd_key);
key->enc = camellia_encrypt128;
key->dec = camellia_decrypt128;
break;
case 192:
camellia_setup192(userKey, (unsigned int *)key->rd_key);
key->enc = camellia_encrypt256;
key->dec = camellia_decrypt256;
break;
case 256:
camellia_setup256(userKey, (unsigned int *)key->rd_key);
key->enc = camellia_encrypt256;
key->dec = camellia_decrypt256;
break;
default:
return -2;
}
key->bitLength = bits;
return 0;
}
void Camellia_encrypt(const unsigned char *in, unsigned char *out,
const CAMELLIA_KEY *key)
{
u32 tmp[CAMELLIA_BLOCK_SIZE/sizeof(u32)];
const union { long one; char little; } camellia_endian = {1};
memcpy(tmp, in, CAMELLIA_BLOCK_SIZE);
if (camellia_endian.little) SWAP4WORD(tmp);
key->enc(key->rd_key, tmp);
if (camellia_endian.little) SWAP4WORD(tmp);
memcpy(out, tmp, CAMELLIA_BLOCK_SIZE);
}
void Camellia_decrypt(const unsigned char *in, unsigned char *out,
const CAMELLIA_KEY *key)
{
u32 tmp[CAMELLIA_BLOCK_SIZE/sizeof(u32)];
const union { long one; char little; } camellia_endian = {1};
memcpy(tmp, in, CAMELLIA_BLOCK_SIZE);
if (camellia_endian.little) SWAP4WORD(tmp);
key->dec(key->rd_key, tmp);
if (camellia_endian.little) SWAP4WORD(tmp);
memcpy(out, tmp, CAMELLIA_BLOCK_SIZE);
}
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