3 RIPEMD-160 hash function.
5 Copyright (C) 2011 Andres Mejia
7 This file is part of GNU Nettle.
9 GNU Nettle is free software: you can redistribute it and/or
10 modify it under the terms of either:
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.
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.
22 or both in parallel, as here.
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.
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/.
34 #ifndef NETTLE_RIPEMD160_H_INCLUDED
35 #define NETTLE_RIPEMD160_H_INCLUDED
41 #include "nettle-types.h"
44 #define ripemd160_init nettle_ripemd160_init
45 #define ripemd160_update nettle_ripemd160_update
46 #define ripemd160_digest nettle_ripemd160_digest
50 #define RIPEMD160_DIGEST_SIZE 20
51 #define RIPEMD160_DATA_SIZE 64
53 /* Digest is kept internally as 5 32-bit words. */
54 #define _RIPEMD160_DIGEST_LENGTH 5
58 uint32_t state[_RIPEMD160_DIGEST_LENGTH];
59 uint64_t count; /* 64-bit block count */
60 uint8_t block[RIPEMD160_DATA_SIZE];
65 ripemd160_init(struct ripemd160_ctx *ctx);
68 ripemd160_update(struct ripemd160_ctx *ctx,
73 ripemd160_digest(struct ripemd160_ctx *ctx,
77 /* Internal compression function. STATE points to 5 uint32_t words,
78 and DATA points to 64 bytes of input data, possibly unaligned. */
80 _nettle_ripemd160_compress(uint32_t *state, const uint8_t *data);
86 #endif /* NETTLE_RIPEMD160_H_INCLUDED */