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      1 /* crypto/evp/e_camellia.c -*- mode:C; c-file-style: "eay" -*- */
      2 /* ====================================================================
      3  * Copyright (c) 2006 The OpenSSL Project.  All rights reserved.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions
      7  * are met:
      8  *
      9  * 1. Redistributions of source code must retain the above copyright
     10  *    notice, this list of conditions and the following disclaimer.
     11  *
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in
     14  *    the documentation and/or other materials provided with the
     15  *    distribution.
     16  *
     17  * 3. All advertising materials mentioning features or use of this
     18  *    software must display the following acknowledgment:
     19  *    "This product includes software developed by the OpenSSL Project
     20  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
     21  *
     22  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
     23  *    endorse or promote products derived from this software without
     24  *    prior written permission. For written permission, please contact
     25  *    openssl-core (at) openssl.org.
     26  *
     27  * 5. Products derived from this software may not be called "OpenSSL"
     28  *    nor may "OpenSSL" appear in their names without prior written
     29  *    permission of the OpenSSL Project.
     30  *
     31  * 6. Redistributions of any form whatsoever must retain the following
     32  *    acknowledgment:
     33  *    "This product includes software developed by the OpenSSL Project
     34  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
     35  *
     36  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
     37  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     38  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     39  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
     40  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     41  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     42  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     43  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     44  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
     45  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     46  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
     47  * OF THE POSSIBILITY OF SUCH DAMAGE.
     48  * ====================================================================
     49  *
     50  * This product includes cryptographic software written by Eric Young
     51  * (eay (at) cryptsoft.com).  This product includes software written by Tim
     52  * Hudson (tjh (at) cryptsoft.com).
     53  *
     54  */
     55 
     56 #include <openssl/opensslconf.h>
     57 #ifndef OPENSSL_NO_CAMELLIA
     58 #include <openssl/evp.h>
     59 #include <openssl/err.h>
     60 #include <string.h>
     61 #include <assert.h>
     62 #include <openssl/camellia.h>
     63 #include "evp_locl.h"
     64 
     65 static int camellia_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
     66 	const unsigned char *iv, int enc);
     67 
     68 /* Camellia subkey Structure */
     69 typedef struct
     70 	{
     71 	CAMELLIA_KEY ks;
     72 	} EVP_CAMELLIA_KEY;
     73 
     74 /* Attribute operation for Camellia */
     75 #define data(ctx)	EVP_C_DATA(EVP_CAMELLIA_KEY,ctx)
     76 
     77 IMPLEMENT_BLOCK_CIPHER(camellia_128, ks, Camellia, EVP_CAMELLIA_KEY,
     78 	NID_camellia_128, 16, 16, 16, 128,
     79 	0, camellia_init_key, NULL,
     80 	EVP_CIPHER_set_asn1_iv,
     81 	EVP_CIPHER_get_asn1_iv,
     82 	NULL)
     83 IMPLEMENT_BLOCK_CIPHER(camellia_192, ks, Camellia, EVP_CAMELLIA_KEY,
     84 	NID_camellia_192, 16, 24, 16, 128,
     85 	0, camellia_init_key, NULL,
     86 	EVP_CIPHER_set_asn1_iv,
     87 	EVP_CIPHER_get_asn1_iv,
     88 	NULL)
     89 IMPLEMENT_BLOCK_CIPHER(camellia_256, ks, Camellia, EVP_CAMELLIA_KEY,
     90 	NID_camellia_256, 16, 32, 16, 128,
     91 	0, camellia_init_key, NULL,
     92 	EVP_CIPHER_set_asn1_iv,
     93 	EVP_CIPHER_get_asn1_iv,
     94 	NULL)
     95 
     96 #define IMPLEMENT_CAMELLIA_CFBR(ksize,cbits)	IMPLEMENT_CFBR(camellia,Camellia,EVP_CAMELLIA_KEY,ks,ksize,cbits,16,0)
     97 
     98 IMPLEMENT_CAMELLIA_CFBR(128,1)
     99 IMPLEMENT_CAMELLIA_CFBR(192,1)
    100 IMPLEMENT_CAMELLIA_CFBR(256,1)
    101 
    102 IMPLEMENT_CAMELLIA_CFBR(128,8)
    103 IMPLEMENT_CAMELLIA_CFBR(192,8)
    104 IMPLEMENT_CAMELLIA_CFBR(256,8)
    105 
    106 
    107 
    108 /* The subkey for Camellia is generated. */
    109 static int camellia_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
    110 	const unsigned char *iv, int enc)
    111 	{
    112 	int ret;
    113 
    114 	ret=Camellia_set_key(key, ctx->key_len * 8, ctx->cipher_data);
    115 
    116 	if(ret < 0)
    117 		{
    118 		EVPerr(EVP_F_CAMELLIA_INIT_KEY,EVP_R_CAMELLIA_KEY_SETUP_FAILED);
    119 		return 0;
    120 		}
    121 
    122 	return 1;
    123 	}
    124 
    125 #else
    126 
    127 # ifdef PEDANTIC
    128 static void *dummy=&dummy;
    129 # endif
    130 
    131 #endif
    132