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/* vi: set sw=4 ts=4: */
/*
* Based on shasum from http://www.netsw.org/crypto/hash/
* Majorly hacked up to use Dr Brian Gladman's sha1 code
*
* Copyright (C) 2002 Dr Brian Gladman <brg@gladman.me.uk>, Worcester, UK.
* Copyright (C) 2003 Glenn L. McGrath
* Copyright (C) 2003 Erik Andersen
*
* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
*
* ---------------------------------------------------------------------------
* Issue Date: 10/11/2002
*
* This is a byte oriented version of SHA1 that operates on arrays of bytes
* stored in memory. It runs at 22 cycles per byte on a Pentium P4 processor
*
* ---------------------------------------------------------------------------
*/
#define SHA1_RESULT_LEN (5 * 4)
typedef struct sha1_ctx_t {
uint32_t hash[8]; /* 5, +3 elements for sha256 */
uint64_t total64;
uint8_t wbuffer[64]; /* NB: always correctly aligned for uint64_t */
void (*process_block)(struct sha1_ctx_t*);
} sha1_ctx_t;
void sha1_begin(sha1_ctx_t *ctx);
void sha1_hash(const void *buffer, size_t len, sha1_ctx_t *ctx);
void sha1_end(void *resbuf, sha1_ctx_t *ctx);
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