| Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 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 |