1 /* $OpenBSD: camellia.h,v 1.5 2014/11/13 20:01:58 miod 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 */ 51 52 #ifndef HEADER_CAMELLIA_H 53 #define HEADER_CAMELLIA_H 54 55 #include <openssl/opensslconf.h> 56 57 #ifdef OPENSSL_NO_CAMELLIA 58 #error CAMELLIA is disabled. 59 #endif 60 61 #include <stddef.h> 62 63 #define CAMELLIA_ENCRYPT 1 64 #define CAMELLIA_DECRYPT 0 65 66 /* Because array size can't be a const in C, the following two are macros. 67 Both sizes are in bytes. */ 68 69 #ifdef __cplusplus 70 extern "C" { 71 #endif 72 73 /* This should be a hidden type, but EVP requires that the size be known */ 74 75 #define CAMELLIA_BLOCK_SIZE 16 76 #define CAMELLIA_TABLE_BYTE_LEN 272 77 #define CAMELLIA_TABLE_WORD_LEN (CAMELLIA_TABLE_BYTE_LEN / 4) 78 79 typedef unsigned int KEY_TABLE_TYPE[CAMELLIA_TABLE_WORD_LEN]; /* to match with WORD */ 80 81 struct camellia_key_st { 82 union { 83 double d; /* ensures 64-bit align */ 84 KEY_TABLE_TYPE rd_key; 85 } u; 86 int grand_rounds; 87 }; 88 typedef struct camellia_key_st CAMELLIA_KEY; 89 90 int Camellia_set_key(const unsigned char *userKey, const int bits, 91 CAMELLIA_KEY *key); 92 93 void Camellia_encrypt(const unsigned char *in, unsigned char *out, 94 const CAMELLIA_KEY *key); 95 void Camellia_decrypt(const unsigned char *in, unsigned char *out, 96 const CAMELLIA_KEY *key); 97 98 void Camellia_ecb_encrypt(const unsigned char *in, unsigned char *out, 99 const CAMELLIA_KEY *key, const int enc); 100 void Camellia_cbc_encrypt(const unsigned char *in, unsigned char *out, 101 size_t length, const CAMELLIA_KEY *key, 102 unsigned char *ivec, const int enc); 103 void Camellia_cfb128_encrypt(const unsigned char *in, unsigned char *out, 104 size_t length, const CAMELLIA_KEY *key, 105 unsigned char *ivec, int *num, const int enc); 106 void Camellia_cfb1_encrypt(const unsigned char *in, unsigned char *out, 107 size_t length, const CAMELLIA_KEY *key, 108 unsigned char *ivec, int *num, const int enc); 109 void Camellia_cfb8_encrypt(const unsigned char *in, unsigned char *out, 110 size_t length, const CAMELLIA_KEY *key, 111 unsigned char *ivec, int *num, const int enc); 112 void Camellia_ofb128_encrypt(const unsigned char *in, unsigned char *out, 113 size_t length, const CAMELLIA_KEY *key, 114 unsigned char *ivec, int *num); 115 void Camellia_ctr128_encrypt(const unsigned char *in, unsigned char *out, 116 size_t length, const CAMELLIA_KEY *key, 117 unsigned char ivec[CAMELLIA_BLOCK_SIZE], 118 unsigned char ecount_buf[CAMELLIA_BLOCK_SIZE], 119 unsigned int *num); 120 121 #ifdef __cplusplus 122 } 123 #endif 124 125 #endif /* !HEADER_Camellia_H */ 126