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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 | |
40720ce3 | 10 | * notice, this list of conditions and the following disclaimer. |
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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 | |
40720ce3 MC |
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" | |
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64 | |
65 | static int camellia_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, | |
40720ce3 | 66 | const unsigned char *iv, int enc); |
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67 | |
68 | /* Camellia subkey Structure */ | |
40720ce3 MC |
69 | typedef struct { |
70 | CAMELLIA_KEY ks; | |
71 | } EVP_CAMELLIA_KEY; | |
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72 | |
73 | /* Attribute operation for Camellia */ | |
40720ce3 | 74 | # define data(ctx) EVP_C_DATA(EVP_CAMELLIA_KEY,ctx) |
edbf9f87 BM |
75 | |
76 | IMPLEMENT_BLOCK_CIPHER(camellia_128, ks, Camellia, EVP_CAMELLIA_KEY, | |
40720ce3 MC |
77 | NID_camellia_128, 16, 16, 16, 128, |
78 | 0, camellia_init_key, NULL, | |
79 | EVP_CIPHER_set_asn1_iv, EVP_CIPHER_get_asn1_iv, NULL) | |
80 | IMPLEMENT_BLOCK_CIPHER(camellia_192, ks, Camellia, EVP_CAMELLIA_KEY, | |
81 | NID_camellia_192, 16, 24, 16, 128, | |
82 | 0, camellia_init_key, NULL, | |
83 | EVP_CIPHER_set_asn1_iv, EVP_CIPHER_get_asn1_iv, NULL) | |
84 | IMPLEMENT_BLOCK_CIPHER(camellia_256, ks, Camellia, EVP_CAMELLIA_KEY, | |
85 | NID_camellia_256, 16, 32, 16, 128, | |
86 | 0, camellia_init_key, NULL, | |
87 | EVP_CIPHER_set_asn1_iv, EVP_CIPHER_get_asn1_iv, NULL) | |
88 | # define IMPLEMENT_CAMELLIA_CFBR(ksize,cbits) IMPLEMENT_CFBR(camellia,Camellia,EVP_CAMELLIA_KEY,ks,ksize,cbits,16,0) | |
89 | IMPLEMENT_CAMELLIA_CFBR(128, 1) | |
90 | IMPLEMENT_CAMELLIA_CFBR(192, 1) | |
91 | IMPLEMENT_CAMELLIA_CFBR(256, 1) | |
92 | ||
93 | IMPLEMENT_CAMELLIA_CFBR(128, 8) | |
94 | IMPLEMENT_CAMELLIA_CFBR(192, 8) | |
95 | IMPLEMENT_CAMELLIA_CFBR(256, 8) | |
96 | ||
97 | /* The subkey for Camellia is generated. */ | |
edbf9f87 | 98 | static int camellia_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, |
40720ce3 MC |
99 | const unsigned char *iv, int enc) |
100 | { | |
101 | int ret; | |
edbf9f87 | 102 | |
40720ce3 | 103 | ret = Camellia_set_key(key, ctx->key_len * 8, ctx->cipher_data); |
edbf9f87 | 104 | |
40720ce3 MC |
105 | if (ret < 0) { |
106 | EVPerr(EVP_F_CAMELLIA_INIT_KEY, EVP_R_CAMELLIA_KEY_SETUP_FAILED); | |
107 | return 0; | |
108 | } | |
edbf9f87 | 109 | |
40720ce3 MC |
110 | return 1; |
111 | } | |
edbf9f87 | 112 | |
f4f1dc39 DSH |
113 | #else |
114 | ||
115 | # ifdef PEDANTIC | |
40720ce3 | 116 | static void *dummy = &dummy; |
f4f1dc39 DSH |
117 | # endif |
118 | ||
edbf9f87 | 119 | #endif |