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

#ifndef __SHA1_H
#define __SHA1_H

#include <sys/types.h>
#include <stdint.h>

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

#define SHA_DIGEST_LENGTH 20

void SHA1_Transform(uint32_t state[5], const uint8_t buffer[64]);

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

#endif /* __SHA1_H */