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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@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
65static int camellia_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
66 const unsigned char *iv, int enc);
67
68/* Camellia subkey Structure */
69typedef 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
77IMPLEMENT_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)
83IMPLEMENT_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)
89IMPLEMENT_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
98IMPLEMENT_CAMELLIA_CFBR(128,1)
99IMPLEMENT_CAMELLIA_CFBR(192,1)
100IMPLEMENT_CAMELLIA_CFBR(256,1)
101
102IMPLEMENT_CAMELLIA_CFBR(128,8)
103IMPLEMENT_CAMELLIA_CFBR(192,8)
104IMPLEMENT_CAMELLIA_CFBR(256,8)
105
106
107
108/* The subkey for Camellia is generated. */
109static 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
128static void *dummy=&dummy;
129# endif
130
131#endif
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