1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
|
/* algorithms.c - the algorithms supported by the rhash library
*
* Copyright: 2011-2012 Aleksey Kravchenko <rhash.admin@gmail.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. Use this program at your own risk!
*/
#include <stdio.h>
#include <assert.h>
#include "byte_order.h"
#include "rhash.h"
#include "algorithms.h"
/* header files of all supported hash sums */
#include "aich.h"
#include "crc32.h"
#include "ed2k.h"
#include "edonr.h"
#include "gost.h"
#include "has160.h"
#include "md4.h"
#include "md5.h"
#include "ripemd-160.h"
#include "snefru.h"
#include "sha1.h"
#include "sha256.h"
#include "sha512.h"
#include "sha3.h"
#include "tiger.h"
#include "torrent.h"
#include "tth.h"
#include "whirlpool.h"
#ifdef USE_OPENSSL
/* note: BTIH and AICH depends on the used SHA1 algorithm */
# define NEED_OPENSSL_INIT (RHASH_MD4 | RHASH_MD5 | \
RHASH_SHA1 | RHASH_SHA224 | RHASH_SHA256 | RHASH_SHA384 | RHASH_SHA512 | \
RHASH_BTIH | RHASH_AICH | RHASH_RIPEMD160 | RHASH_WHIRLPOOL)
#else
# define NEED_OPENSSL_INIT 0
#endif /* USE_OPENSSL */
#ifdef GENERATE_GOST_LOOKUP_TABLE
# define NEED_GOST_INIT (RHASH_GOST | RHASH_GOST_CRYPTOPRO)
#else
# define NEED_GOST_INIT 0
#endif /* GENERATE_GOST_LOOKUP_TABLE */
#ifdef GENERATE_CRC32_TABLE
# define NEED_CRC32_INIT RHASH_CRC32
#else
# define NEED_CRC32_INIT 0
#endif /* GENERATE_CRC32_TABLE */
#define RHASH_NEED_INIT_ALG (NEED_CRC32_INIT | NEED_GOST_INIT | NEED_OPENSSL_INIT)
unsigned rhash_uninitialized_algorithms = RHASH_NEED_INIT_ALG;
rhash_hash_info* rhash_info_table = rhash_hash_info_default;
int rhash_info_size = RHASH_HASH_COUNT;
static void rhash_crc32_init(uint32_t* crc32);
static void rhash_crc32_update(uint32_t* crc32, const unsigned char* msg, size_t size);
static void rhash_crc32_final(uint32_t* crc32, unsigned char* result);
rhash_info info_crc32 = { RHASH_CRC32, F_BE32, 4, "CRC32", "crc32" };
rhash_info info_md4 = { RHASH_MD4, F_LE32, 16, "MD4", "md4" };
rhash_info info_md5 = { RHASH_MD5, F_LE32, 16, "MD5", "md5" };
rhash_info info_sha1 = { RHASH_SHA1, F_BE32, 20, "SHA1", "sha1" };
rhash_info info_tiger = { RHASH_TIGER, F_LE64, 24, "TIGER", "tiger" };
rhash_info info_tth = { RHASH_TTH, F_BS32, 24, "TTH", "tree:tiger" };
rhash_info info_btih = { RHASH_BTIH, 0, 20, "BTIH", "btih" };
rhash_info info_ed2k = { RHASH_ED2K, F_LE32, 16, "ED2K", "ed2k" };
rhash_info info_aich = { RHASH_AICH, F_BS32, 20, "AICH", "aich" };
rhash_info info_whirlpool = { RHASH_WHIRLPOOL, F_BE64, 64, "WHIRLPOOL", "whirlpool" };
rhash_info info_rmd160 = { RHASH_RIPEMD160, F_LE32, 20, "RIPEMD-160", "ripemd160" };
rhash_info info_gost = { RHASH_GOST, F_LE32, 32, "GOST", "gost" };
rhash_info info_gostpro = { RHASH_GOST_CRYPTOPRO, F_LE32, 32, "GOST-CRYPTOPRO", "gost-cryptopro" };
rhash_info info_has160 = { RHASH_HAS160, F_LE32, 20, "HAS-160", "has160" };
rhash_info info_snf128 = { RHASH_SNEFRU128, F_BE32, 16, "SNEFRU-128", "snefru128" };
rhash_info info_snf256 = { RHASH_SNEFRU256, F_BE32, 32, "SNEFRU-256", "snefru256" };
rhash_info info_sha224 = { RHASH_SHA224, F_BE32, 28, "SHA-224", "sha224" };
rhash_info info_sha256 = { RHASH_SHA256, F_BE32, 32, "SHA-256", "sha256" };
rhash_info info_sha384 = { RHASH_SHA384, F_BE64, 48, "SHA-384", "sha384" };
rhash_info info_sha512 = { RHASH_SHA512, F_BE64, 64, "SHA-512", "sha512" };
rhash_info info_edr256 = { RHASH_EDONR256, F_LE32, 32, "EDON-R256", "edon-r256" };
rhash_info info_edr512 = { RHASH_EDONR512, F_LE64, 64, "EDON-R512", "edon-r512" };
rhash_info info_sha3_224 = { RHASH_SHA3_224, F_LE64, 28, "SHA3-224", "sha3-224" };
rhash_info info_sha3_256 = { RHASH_SHA3_256, F_LE64, 32, "SHA3-256", "sha3-256" };
rhash_info info_sha3_384 = { RHASH_SHA3_384, F_LE64, 48, "SHA3-384", "sha3-384" };
rhash_info info_sha3_512 = { RHASH_SHA3_512, F_LE64, 64, "SHA3-512", "sha3-512" };
/* some helper macros */
#define dgshft(name) (((char*)&((name##_ctx*)0)->hash) - (char*)0)
#define dgshft2(name, field) (((char*)&((name##_ctx*)0)->field) - (char*)0)
#define ini(name) ((pinit_t)(name##_init))
#define upd(name) ((pupdate_t)(name##_update))
#define fin(name) ((pfinal_t)(name##_final))
#define iuf(name) ini(name), upd(name), fin(name)
#define diuf(name) dgshft(name), ini(name), upd(name), fin(name)
/* information about all hashes */
rhash_hash_info rhash_hash_info_default[RHASH_HASH_COUNT] =
{
{ &info_crc32, sizeof(uint32_t), 0, iuf(rhash_crc32), 0 }, /* 32 bit */
{ &info_md4, sizeof(md4_ctx), dgshft(md4), iuf(rhash_md4), 0 }, /* 128 bit */
{ &info_md5, sizeof(md5_ctx), dgshft(md5), iuf(rhash_md5), 0 }, /* 128 bit */
{ &info_sha1, sizeof(sha1_ctx), dgshft(sha1), iuf(rhash_sha1), 0 }, /* 160 bit */
{ &info_tiger, sizeof(tiger_ctx), dgshft(tiger), iuf(rhash_tiger), 0 }, /* 192 bit */
{ &info_tth, sizeof(tth_ctx), dgshft2(tth, tiger.hash), iuf(rhash_tth), 0 }, /* 192 bit */
{ &info_btih, sizeof(torrent_ctx), dgshft2(torrent, btih), iuf(bt), (pcleanup_t)bt_cleanup }, /* 160 bit */
{ &info_ed2k, sizeof(ed2k_ctx), dgshft2(ed2k, md4_context_inner.hash), iuf(rhash_ed2k), 0 }, /* 128 bit */
{ &info_aich, sizeof(aich_ctx), dgshft2(aich, sha1_context.hash), iuf(rhash_aich), (pcleanup_t)rhash_aich_cleanup }, /* 160 bit */
{ &info_whirlpool, sizeof(whirlpool_ctx), dgshft(whirlpool), iuf(rhash_whirlpool), 0 }, /* 512 bit */
{ &info_rmd160, sizeof(ripemd160_ctx), dgshft(ripemd160), iuf(rhash_ripemd160), 0 }, /* 160 bit */
{ &info_gost, sizeof(gost_ctx), dgshft(gost), iuf(rhash_gost), 0 }, /* 256 bit */
{ &info_gostpro, sizeof(gost_ctx), dgshft(gost), ini(rhash_gost_cryptopro), upd(rhash_gost), fin(rhash_gost), 0 }, /* 256 bit */
{ &info_has160, sizeof(has160_ctx), dgshft(has160), iuf(rhash_has160), 0 }, /* 160 bit */
{ &info_snf128, sizeof(snefru_ctx), dgshft(snefru), ini(rhash_snefru128), upd(rhash_snefru), fin(rhash_snefru), 0 }, /* 128 bit */
{ &info_snf256, sizeof(snefru_ctx), dgshft(snefru), ini(rhash_snefru256), upd(rhash_snefru), fin(rhash_snefru), 0 }, /* 256 bit */
{ &info_sha224, sizeof(sha256_ctx), dgshft(sha256), ini(rhash_sha224), upd(rhash_sha256), fin(rhash_sha256), 0 }, /* 224 bit */
{ &info_sha256, sizeof(sha256_ctx), dgshft(sha256), iuf(rhash_sha256), 0 }, /* 256 bit */
{ &info_sha384, sizeof(sha512_ctx), dgshft(sha512), ini(rhash_sha384), upd(rhash_sha512), fin(rhash_sha512), 0 }, /* 384 bit */
{ &info_sha512, sizeof(sha512_ctx), dgshft(sha512), iuf(rhash_sha512), 0 }, /* 512 bit */
{ &info_edr256, sizeof(edonr_ctx), dgshft2(edonr, u.data256.hash) + 32, iuf(rhash_edonr256), 0 }, /* 256 bit */
{ &info_edr512, sizeof(edonr_ctx), dgshft2(edonr, u.data512.hash) + 64, iuf(rhash_edonr512), 0 }, /* 512 bit */
{ &info_sha3_224, sizeof(sha3_ctx), dgshft(sha3), ini(rhash_sha3_224), upd(rhash_sha3), fin(rhash_sha3), 0 }, /* 224 bit */
{ &info_sha3_256, sizeof(sha3_ctx), dgshft(sha3), ini(rhash_sha3_256), upd(rhash_sha3), fin(rhash_sha3), 0 }, /* 256 bit */
{ &info_sha3_384, sizeof(sha3_ctx), dgshft(sha3), ini(rhash_sha3_384), upd(rhash_sha3), fin(rhash_sha3), 0 }, /* 384 bit */
{ &info_sha3_512, sizeof(sha3_ctx), dgshft(sha3), ini(rhash_sha3_512), upd(rhash_sha3), fin(rhash_sha3), 0 }, /* 512 bit */
};
/**
* Initialize requested algorithms.
*/
void rhash_init_algorithms(unsigned mask)
{
(void)mask; /* unused now */
/* verify that RHASH_HASH_COUNT is the index of the major bit of RHASH_ALL_HASHES */
assert(1 == (RHASH_ALL_HASHES >> (RHASH_HASH_COUNT - 1)));
#ifdef GENERATE_CRC32_TABLE
rhash_crc32_init_table();
#endif
#ifdef GENERATE_GOST_LOOKUP_TABLE
rhash_gost_init_table();
#endif
rhash_uninitialized_algorithms = 0;
}
/* CRC32 helper functions */
/**
* Initialize crc32 hash.
*
* @param crc32 pointer to the hash to initialize
*/
static void rhash_crc32_init(uint32_t* crc32)
{
*crc32 = 0; /* note: context size is sizeof(uint32_t) */
}
/**
* Calculate message CRC32 hash.
* Can be called repeatedly with chunks of the message to be hashed.
*
* @param crc32 pointer to the hash
* @param msg message chunk
* @param size length of the message chunk
*/
static void rhash_crc32_update(uint32_t* crc32, const unsigned char* msg, size_t size)
{
*crc32 = rhash_get_crc32(*crc32, msg, size);
}
/**
* Store calculated hash into the given array.
*
* @param crc32 pointer to the current hash value
* @param result calculated hash in binary form
*/
static void rhash_crc32_final(uint32_t* crc32, unsigned char* result)
{
#if defined(CPU_IA32) || defined(CPU_X64)
/* intel CPUs support assigment with non 32-bit aligned pointers */
*(unsigned*)result = be2me_32(*crc32);
#else
/* correct saving BigEndian integer on all archs */
result[0] = (unsigned char)(*crc32 >> 24), result[1] = (unsigned char)(*crc32 >> 16);
result[2] = (unsigned char)(*crc32 >> 8), result[3] = (unsigned char)(*crc32);
#endif
}
|
