/* public api for steve reid's public domain SHA-1 implementation */
/* this file is in the public domain */

/** @file
 *  SHA-1 hash API.
 */

#ifndef __SHA1_H
#define __SHA1_H

#include <stdint.h>

#ifdef __cplusplus
extern "C" {
#endif

typedef struct {
	uint32_t state[5];
	uint32_t count[2];
	uint8_t  buffer[64];
} SHA1_CTX;

#ifndef SHA1_DIGEST_SIZE
#define SHA1_DIGEST_SIZE 20
#endif

void SHA1_Init(SHA1_CTX* context);
void SHA1_Update(SHA1_CTX* context, const uint8_t* data, const size_t len);
void SHA1_Final(SHA1_CTX* context, uint8_t digest[SHA1_DIGEST_SIZE]);

#ifdef __cplusplus
}
#endif

#endif /* __SHA1_H */