#ifndef _SHA256_H
#define _SHA256_H

#include "types.h"

typedef struct
{
    uint32_t total[2];
    uint32_t state[8];
    uint8_t buffer[64];
}
sha256_context;

void sha256_starts( sha256_context *ctx );
void sha256_update( sha256_context *ctx, uint8_t *input, uint32_t length );
void sha256_finish( sha256_context *ctx, uint8_t digest[32] );

#endif /* sha256.h */

