1 /* $OpenBSD: e_camellia.c,v 1.6 2014/07/10 22:45:57 jsing Exp $ */ 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 <assert.h> 57 #include <string.h> 58 59 #include <openssl/opensslconf.h> 60 61 #ifndef OPENSSL_NO_CAMELLIA 62 #include <openssl/evp.h> 63 #include <openssl/err.h> 64 #include <openssl/camellia.h> 65 #include "evp_locl.h" 66 67 static int camellia_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, 68 const unsigned char *iv, int enc); 69 70 /* Camellia subkey Structure */ 71 typedef struct { 72 CAMELLIA_KEY ks; 73 } EVP_CAMELLIA_KEY; 74 75 /* Attribute operation for Camellia */ 76 #define data(ctx) EVP_C_DATA(EVP_CAMELLIA_KEY,ctx) 77 78 IMPLEMENT_BLOCK_CIPHER(camellia_128, ks, Camellia, EVP_CAMELLIA_KEY, 79 NID_camellia_128, 16, 16, 16, 128, 80 0, camellia_init_key, NULL, 81 EVP_CIPHER_set_asn1_iv, 82 EVP_CIPHER_get_asn1_iv, 83 NULL) 84 IMPLEMENT_BLOCK_CIPHER(camellia_192, ks, Camellia, EVP_CAMELLIA_KEY, 85 NID_camellia_192, 16, 24, 16, 128, 86 0, camellia_init_key, NULL, 87 EVP_CIPHER_set_asn1_iv, 88 EVP_CIPHER_get_asn1_iv, 89 NULL) 90 IMPLEMENT_BLOCK_CIPHER(camellia_256, ks, Camellia, EVP_CAMELLIA_KEY, 91 NID_camellia_256, 16, 32, 16, 128, 92 0, camellia_init_key, NULL, 93 EVP_CIPHER_set_asn1_iv, 94 EVP_CIPHER_get_asn1_iv, 95 NULL) 96 97 #define IMPLEMENT_CAMELLIA_CFBR(ksize,cbits) IMPLEMENT_CFBR(camellia,Camellia,EVP_CAMELLIA_KEY,ks,ksize,cbits,16) 98 99 IMPLEMENT_CAMELLIA_CFBR(128, 1) 100 IMPLEMENT_CAMELLIA_CFBR(192, 1) 101 IMPLEMENT_CAMELLIA_CFBR(256, 1) 102 103 IMPLEMENT_CAMELLIA_CFBR(128, 8) 104 IMPLEMENT_CAMELLIA_CFBR(192, 8) 105 IMPLEMENT_CAMELLIA_CFBR(256, 8) 106 107 108 /* The subkey for Camellia is generated. */ 109 static int 110 camellia_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, 111 const unsigned char *iv, int enc) 112 { 113 int ret; 114 115 ret = Camellia_set_key(key, ctx->key_len * 8, ctx->cipher_data); 116 117 if (ret < 0) { 118 EVPerr(EVP_F_CAMELLIA_INIT_KEY, 119 EVP_R_CAMELLIA_KEY_SETUP_FAILED); 120 return 0; 121 } 122 123 return 1; 124 } 125 #endif 126