/*********************************************************************
* Filename:   sha256.h
* Author:     Brad Conte (brad AT bradconte.com)
* Copyright:  Public Domain
* Disclaimer: This code is presented "as is" without any guarantees.
* Details:    Defines the API for the corresponding SHA1 implementation.
*********************************************************************/

#ifndef SHA256_H
#define SHA256_H

#include <stddef.h>
#include "../config.h"

#define SHA256_BLOCK_SIZE 32

typedef struct {
	uint8_t data[64];
	uint32_t datalen;
	uint64_t bitlen;
	uint32_t state[8];
} SHA256_CTX;

void sha256_init(SHA256_CTX *ctx);
void sha256_update(SHA256_CTX *ctx, const uint8_t data[], size_t len);
void sha256_final(SHA256_CTX *ctx, uint8_t hash[]);

#endif /* SHA256_H */