1 /*- 2 * Copyright (c) 2012 Alistair Crooks <agc@NetBSD.org> 3 * 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 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 17 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 #ifndef DIGEST_H_ 26 #define DIGEST_H_ 20100108 27 28 #include <sys/types.h> 29 30 #ifdef _KERNEL 31 # include <sys/md5.h> 32 # include <sys/sha1.h> 33 # include <sys/sha2.h> 34 # include <sys/rmd160.h> 35 #else 36 # include <md5.h> 37 # include <sha1.h> 38 # include <sha2.h> 39 # include <rmd160.h> 40 # include <inttypes.h> 41 #endif 42 43 #include "tiger.h" 44 45 #ifndef __BEGIN_DECLS 46 # if defined(__cplusplus) 47 # define __BEGIN_DECLS extern "C" { 48 # define __END_DECLS } 49 # else 50 # define __BEGIN_DECLS 51 # define __END_DECLS 52 # endif 53 #endif 54 55 __BEGIN_DECLS 56 57 #define MD5_HASH_ALG 1 58 #define SHA1_HASH_ALG 2 59 #define RIPEMD_HASH_ALG 3 60 #define TIGER_HASH_ALG 6 /* from rfc2440 */ 61 #define SHA256_HASH_ALG 8 62 #define SHA384_HASH_ALG 9 63 #define SHA512_HASH_ALG 10 64 #define SHA224_HASH_ALG 11 65 #define TIGER2_HASH_ALG 100 /* private/experimental from rfc4880 */ 66 67 /* structure to describe digest methods */ 68 typedef struct digest_t { 69 uint32_t alg; /* algorithm */ 70 size_t size; /* size */ 71 union { 72 MD5_CTX md5ctx; /* MD5 */ 73 SHA1_CTX sha1ctx; /* SHA1 */ 74 RMD160_CTX rmd160ctx; /* RIPEMD */ 75 SHA256_CTX sha256ctx; /* SHA256 */ 76 SHA512_CTX sha512ctx; /* SHA512 */ 77 TIGER_CTX tigerctx; /* TIGER/TIGER2 */ 78 } u; 79 void *prefix; /* points to specific prefix */ 80 uint32_t len; /* prefix length */ 81 void *ctx; /* pointer to context array */ 82 } digest_t; 83 84 unsigned digest_get_alg(const char */*hashalg*/); 85 86 int digest_init(digest_t */*digest*/, const uint32_t /*hashalg*/); 87 88 int digest_update(digest_t */*digest*/, const uint8_t */*data*/, size_t /*size*/); 89 unsigned digest_final(uint8_t */*out*/, digest_t */*digest*/); 90 int digest_alg_size(unsigned /*alg*/); 91 int digest_length(digest_t */*hash*/, unsigned /*hashedlen*/); 92 93 void MD5_Init(MD5_CTX */*context*/); 94 void MD5_Update(MD5_CTX */*context*/, const unsigned char */*data*/, unsigned int /*len*/); 95 void MD5_Final(unsigned char /*digest*/[16], MD5_CTX */*context*/); 96 97 void SHA1_Init(SHA1_CTX */*context*/); 98 void SHA1_Update(SHA1_CTX */*context*/, const unsigned char */*data*/, unsigned int /*len*/); 99 void SHA1_Final(unsigned char /*digest*/[20], SHA1_CTX */*context*/); 100 101 void RMD160_Init(RMD160_CTX */*ctx*/); 102 void RMD160_Update(RMD160_CTX */*ctx*/, const unsigned char */*data*/, uint32_t /*len*/); 103 void RMD160_Final(unsigned char /*digest*/[RMD160_DIGEST_LENGTH], RMD160_CTX */*ctx*/); 104 105 unsigned digest_get_prefix(unsigned /*hashalg*/, uint8_t */*prefix*/, size_t /*size*/); 106 107 __END_DECLS 108 109 #endif 110