1 /* $OpenBSD: camellia.h,v 1.6 2025/01/25 17:59:44 tb 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 #include <stddef.h> 58 59 #define CAMELLIA_ENCRYPT 1 60 #define CAMELLIA_DECRYPT 0 61 62 /* Because array size can't be a const in C, the following two are macros. 63 Both sizes are in bytes. */ 64 65 #ifdef __cplusplus 66 extern "C" { 67 #endif 68 69 /* This should be a hidden type, but EVP requires that the size be known */ 70 71 #define CAMELLIA_BLOCK_SIZE 16 72 #define CAMELLIA_TABLE_BYTE_LEN 272 73 #define CAMELLIA_TABLE_WORD_LEN (CAMELLIA_TABLE_BYTE_LEN / 4) 74 75 typedef unsigned int KEY_TABLE_TYPE[CAMELLIA_TABLE_WORD_LEN]; /* to match with WORD */ 76 77 struct camellia_key_st { 78 union { 79 double d; /* ensures 64-bit align */ 80 KEY_TABLE_TYPE rd_key; 81 } u; 82 int grand_rounds; 83 }; 84 typedef struct camellia_key_st CAMELLIA_KEY; 85 86 int Camellia_set_key(const unsigned char *userKey, const int bits, 87 CAMELLIA_KEY *key); 88 89 void Camellia_encrypt(const unsigned char *in, unsigned char *out, 90 const CAMELLIA_KEY *key); 91 void Camellia_decrypt(const unsigned char *in, unsigned char *out, 92 const CAMELLIA_KEY *key); 93 94 void Camellia_ecb_encrypt(const unsigned char *in, unsigned char *out, 95 const CAMELLIA_KEY *key, const int enc); 96 void Camellia_cbc_encrypt(const unsigned char *in, unsigned char *out, 97 size_t length, const CAMELLIA_KEY *key, 98 unsigned char *ivec, const int enc); 99 void Camellia_cfb128_encrypt(const unsigned char *in, unsigned char *out, 100 size_t length, const CAMELLIA_KEY *key, 101 unsigned char *ivec, int *num, const int enc); 102 void Camellia_cfb1_encrypt(const unsigned char *in, unsigned char *out, 103 size_t length, const CAMELLIA_KEY *key, 104 unsigned char *ivec, int *num, const int enc); 105 void Camellia_cfb8_encrypt(const unsigned char *in, unsigned char *out, 106 size_t length, const CAMELLIA_KEY *key, 107 unsigned char *ivec, int *num, const int enc); 108 void Camellia_ofb128_encrypt(const unsigned char *in, unsigned char *out, 109 size_t length, const CAMELLIA_KEY *key, 110 unsigned char *ivec, int *num); 111 void Camellia_ctr128_encrypt(const unsigned char *in, unsigned char *out, 112 size_t length, const CAMELLIA_KEY *key, 113 unsigned char ivec[CAMELLIA_BLOCK_SIZE], 114 unsigned char ecount_buf[CAMELLIA_BLOCK_SIZE], 115 unsigned int *num); 116 117 #ifdef __cplusplus 118 } 119 #endif 120 121 #endif /* !HEADER_Camellia_H */ 122