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84 lines
2.0 KiB
C
84 lines
2.0 KiB
C
/* ripemd160.h
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RIPEMD-160 hash function.
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Copyright (C) 2011 Andres Mejia
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This file is part of GNU Nettle.
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GNU Nettle is free software: you can redistribute it and/or
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modify it under the terms of either:
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* the GNU Lesser General Public License as published by the Free
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Software Foundation; either version 3 of the License, or (at your
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option) any later version.
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or
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* the GNU General Public License as published by the Free
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Software Foundation; either version 2 of the License, or (at your
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option) any later version.
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or both in parallel, as here.
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GNU Nettle is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received copies of the GNU General Public License and
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the GNU Lesser General Public License along with this program. If
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not, see http://www.gnu.org/licenses/.
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*/
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#ifndef NETTLE_RIPEMD160_H_INCLUDED
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#define NETTLE_RIPEMD160_H_INCLUDED
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "nettle-types.h"
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/* Name mangling */
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#define ripemd160_init nettle_ripemd160_init
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#define ripemd160_update nettle_ripemd160_update
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#define ripemd160_digest nettle_ripemd160_digest
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/* RIPEMD160 */
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#define RIPEMD160_DIGEST_SIZE 20
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#define RIPEMD160_BLOCK_SIZE 64
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/* For backwards compatibility */
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#define RIPEMD160_DATA_SIZE RIPEMD160_BLOCK_SIZE
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/* Digest is kept internally as 5 32-bit words. */
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#define _RIPEMD160_DIGEST_LENGTH 5
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struct ripemd160_ctx
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{
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uint32_t state[_RIPEMD160_DIGEST_LENGTH];
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uint64_t count; /* 64-bit block count */
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unsigned int index;
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uint8_t block[RIPEMD160_BLOCK_SIZE];
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};
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void
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ripemd160_init(struct ripemd160_ctx *ctx);
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void
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ripemd160_update(struct ripemd160_ctx *ctx,
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size_t length,
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const uint8_t *data);
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void
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ripemd160_digest(struct ripemd160_ctx *ctx,
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size_t length,
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uint8_t *digest);
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#ifdef __cplusplus
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}
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#endif
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#endif /* NETTLE_RIPEMD160_H_INCLUDED */
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