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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 | |
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 | |
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