crypto/openssl/crypto/evp/e_camellia.c

   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@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@cryptsoft.com).  This product includes software written by Tim
  52  * Hudson (tjh@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)
  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