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fa121c39 | 1 | /* ripemd160.h |
90112edb NM |
2 | |
3 | RIPEMD-160 hash function. | |
4 | ||
5 | Copyright (C) 2011 Andres Mejia | |
6 | ||
7 | This file is part of GNU Nettle. | |
8 | ||
9 | GNU Nettle is free software: you can redistribute it and/or | |
10 | modify it under the terms of either: | |
11 | ||
12 | * the GNU Lesser General Public License as published by the Free | |
13 | Software Foundation; either version 3 of the License, or (at your | |
14 | option) any later version. | |
15 | ||
16 | or | |
17 | ||
18 | * the GNU General Public License as published by the Free | |
19 | Software Foundation; either version 2 of the License, or (at your | |
20 | option) any later version. | |
21 | ||
22 | or both in parallel, as here. | |
23 | ||
24 | GNU Nettle is distributed in the hope that it will be useful, | |
25 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
26 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
27 | General Public License for more details. | |
28 | ||
29 | You should have received copies of the GNU General Public License and | |
30 | the GNU Lesser General Public License along with this program. If | |
31 | not, see http://www.gnu.org/licenses/. | |
32 | */ | |
fa121c39 AM |
33 | |
34 | #ifndef NETTLE_RIPEMD160_H_INCLUDED | |
35 | #define NETTLE_RIPEMD160_H_INCLUDED | |
36 | ||
37 | #ifdef __cplusplus | |
38 | extern "C" { | |
39 | #endif | |
40 | ||
41 | #include "nettle-types.h" | |
42 | ||
43 | /* Name mangling */ | |
44 | #define ripemd160_init nettle_ripemd160_init | |
45 | #define ripemd160_update nettle_ripemd160_update | |
46 | #define ripemd160_digest nettle_ripemd160_digest | |
47 | ||
48 | /* RIPEMD160 */ | |
49 | ||
50 | #define RIPEMD160_DIGEST_SIZE 20 | |
d22bac82 NM |
51 | #define RIPEMD160_BLOCK_SIZE 64 |
52 | /* For backwards compatibility */ | |
53 | #define RIPEMD160_DATA_SIZE RIPEMD160_BLOCK_SIZE | |
fa121c39 AM |
54 | |
55 | /* Digest is kept internally as 5 32-bit words. */ | |
56 | #define _RIPEMD160_DIGEST_LENGTH 5 | |
57 | ||
58 | struct ripemd160_ctx | |
59 | { | |
8cb0fdef | 60 | uint32_t state[_RIPEMD160_DIGEST_LENGTH]; |
cb83bd33 | 61 | uint64_t count; /* 64-bit block count */ |
fa121c39 | 62 | unsigned int index; |
d85e39b5 | 63 | uint8_t block[RIPEMD160_BLOCK_SIZE]; |
fa121c39 AM |
64 | }; |
65 | ||
66 | void | |
67 | ripemd160_init(struct ripemd160_ctx *ctx); | |
68 | ||
69 | void | |
70 | ripemd160_update(struct ripemd160_ctx *ctx, | |
b8bfc32f | 71 | size_t length, |
fa121c39 AM |
72 | const uint8_t *data); |
73 | ||
74 | void | |
75 | ripemd160_digest(struct ripemd160_ctx *ctx, | |
b8bfc32f | 76 | size_t length, |
fa121c39 AM |
77 | uint8_t *digest); |
78 | ||
fa121c39 AM |
79 | #ifdef __cplusplus |
80 | } | |
81 | #endif | |
82 | ||
83 | #endif /* NETTLE_RIPEMD160_H_INCLUDED */ |