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sha1.h
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/
sha1.h
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/* $OpenBSD: sha1.h,v 1.5 2007/09/10 22:19:42 henric Exp $ */
/*
* SHA-1 in C
* By Steve Reid <steve@edmweb.com>
* 100% Public Domain
*/
#ifndef _SHA1_H_
#define _SHA1_H_
#define SHA1_BLOCK_LENGTH 64
#define SHA1_DIGEST_LENGTH 20
#include <stdint.h>
typedef struct {
uint32_t state[5];
uint64_t count;
uint8_t buffer[SHA1_BLOCK_LENGTH];
} SHA1_CTX;
void SHA1Init(SHA1_CTX * context);
void SHA1Transform(uint32_t state[5], const uint8_t buffer[SHA1_BLOCK_LENGTH]);
void SHA1Update(SHA1_CTX *context, const uint8_t *data, const uint32_t len);
void SHA1Final(uint8_t digest[SHA1_DIGEST_LENGTH], SHA1_CTX *context);
void SHA1Hmac(const uint8_t *key, const uint32_t keylen, const uint8_t *msg, const uint32_t msglen, uint8_t digest[SHA1_DIGEST_LENGTH]);
#endif /* _SHA1_H_ */