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
|
/* algorithms.h - rhash library algorithms */
#ifndef RHASH_ALGORITHMS_H
#define RHASH_ALGORITHMS_H
#include "rhash.h"
#include "byte_order.h"
#include <stddef.h>
#ifdef __cplusplus
extern "C" {
#endif
#ifndef RHASH_API
/* modifier for RHash library functions */
# define RHASH_API
#endif
/**
* Bit flag: default hash output format is base32.
*/
#define RHASH_INFO_BASE32 1
/**
* Information about a hash function.
*/
typedef struct rhash_info
{
/**
* Hash function indentifier.
*/
unsigned hash_id;
/**
* Flags bit-mask, including RHASH_INFO_BASE32 bit.
*/
unsigned flags;
/**
The size of of the raw message digest in bytes.
*/
size_t digest_size;
/**
* The hash function name.
*/
const char* name;
/**
* The corresponding paramenter name in a magnet link.
*/
const char* magnet_name;
} rhash_info;
typedef void (*pinit_t)(void* ctx);
typedef void (*pupdate_t)(void* ctx, const void* msg, size_t size);
typedef void (*pfinal_t)(void* ctx, unsigned char* result);
typedef void (*pcleanup_t)(void* ctx);
/**
* Information about a hash function
*/
typedef struct rhash_hash_info
{
rhash_info* info;
size_t context_size;
ptrdiff_t digest_diff;
pinit_t init;
pupdate_t update;
pfinal_t final;
pcleanup_t cleanup;
} rhash_hash_info;
/**
* Information on a hash function and its context
*/
typedef struct rhash_vector_item
{
struct rhash_hash_info* hash_info;
void* context;
} rhash_vector_item;
/**
* The rhash context containing contexts for several hash functions
*/
typedef struct rhash_context_ext
{
struct rhash_context rc;
unsigned hash_vector_size; /* number of contained hash sums */
unsigned flags;
volatile unsigned state;
rhash_callback_t callback;
void* callback_data;
void* bt_ctx;
rhash_vector_item vector[]; /* contexts of contained hash sums */
} rhash_context_ext;
extern rhash_hash_info rhash_hash_info_default[RHASH_HASH_COUNT];
extern rhash_hash_info* rhash_info_table;
extern int rhash_info_size;
extern unsigned rhash_uninitialized_algorithms;
extern rhash_info info_crc32;
extern rhash_info info_crc32c;
extern rhash_info info_md4;
extern rhash_info info_md5;
extern rhash_info info_sha1;
extern rhash_info info_tiger;
extern rhash_info info_tth ;
extern rhash_info info_btih;
extern rhash_info info_ed2k;
extern rhash_info info_aich;
extern rhash_info info_whirlpool;
extern rhash_info info_rmd160;
extern rhash_info info_gost;
extern rhash_info info_gostpro;
extern rhash_info info_has160;
extern rhash_info info_snf128;
extern rhash_info info_snf256;
extern rhash_info info_sha224;
extern rhash_info info_sha256;
extern rhash_info info_sha384;
extern rhash_info info_sha512;
extern rhash_info info_sha3_224;
extern rhash_info info_sha3_256;
extern rhash_info info_sha3_384;
extern rhash_info info_sha3_512;
extern rhash_info info_edr256;
extern rhash_info info_edr512;
/* rhash_info flags */
#define F_BS32 1 /* default output in base32 */
#define F_SWAP32 2 /* big endian flag */
#define F_SWAP64 4
#define F_SPCEXP 8 /* needs special import/export logic */
/* define endianness flags */
#if IS_LITTLE_ENDIAN
#define F_LE32 0
#define F_LE64 0
#define F_BE32 F_SWAP32
#define F_BE64 F_SWAP64
#else
#define F_LE32 F_SWAP32
#define F_LE64 F_SWAP64
#define F_BE32 0
#define F_BE64 0
#endif
void rhash_init_algorithms(unsigned mask);
const rhash_info* rhash_info_by_id(unsigned hash_id); /* get hash sum info by hash id */
#if !defined(NO_IMPORT_EXPORT)
size_t rhash_export_alg(unsigned hash_id, const void* ctx, void* out, size_t size);
size_t rhash_import_alg(unsigned hash_id, void* ctx, const void* in, size_t size);
#endif /* !defined(NO_IMPORT_EXPORT) */
#if defined(OPENSSL_RUNTIME) && !defined(USE_OPENSSL)
# define USE_OPENSSL
#endif
#ifdef USE_OPENSSL
typedef struct rhash_hashing_methods
{
pinit_t init;
pupdate_t update;
pfinal_t final;
} rhash_hashing_methods;
enum rhash_methods_type
{
METHODS_RHASH,
METHODS_OPENSSL,
METHODS_SELECTED,
};
void rhash_load_sha1_methods(rhash_hashing_methods* methods, int methods_type);
#define ARE_OPENSSL_METHODS(methods) ((methods).init != (void (*)(void*))&rhash_sha1_init)
#endif
#ifdef __cplusplus
} /* extern "C" */
#endif /* __cplusplus */
#endif /* RHASH_ALGORITHMS_H */
|
