sha1.h

这是一个嵌入式linux系统下的BT下载工具包

/*
 *  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 <[e-mail]>, Worcester, UK.
 *  Copyright (C) 2003 Glenn L. McGrath
 *  Copyright (C) 2003 Erik Andersen
 *
 * Licensed under GPLv2 or later, see file LICENSE in busybox tarball for details.
 */

#ifndef SHA_H_
#define SHA_H_

#include <stdint.h>

typedef struct sha1_ctx_t {
	uint32_t count[2];
	uint32_t hash[5];
	uint32_t wbuf[16];
} sha1_ctx_t;
void sha1_begin(sha1_ctx_t *ctx);
void sha1_hash(const void *data, size_t length, sha1_ctx_t *ctx);
void *sha1_end(void *resbuf, sha1_ctx_t *ctx);
void sha1_block(const void* data, size_t length, unsigned char output[20]); 

#endif