// Copyright (c) 2014-2017, The Monero Project
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// modification, are permitted provided that the following conditions are met:
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//    this list of conditions and the following disclaimer.
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// Parts of this file are originally copyright (c) 2012-2013 The Cryptonote
// developers

#ifndef __BLAKE256_H__
#define __BLAKE256_H__

#include <stddef.h>
#include <stdint.h>

#define BLAKE256_DIGEST_LENGTH 32
#define BLAKE256_BLOCK_LENGTH 64

typedef struct {
  uint32_t h[8], s[4], t[2];
  size_t buflen;
  uint8_t nullt;
  uint8_t buf[64];
} BLAKE256_CTX;

void blake256_Init(BLAKE256_CTX *);
void blake256_Update(BLAKE256_CTX *, const uint8_t *, size_t);
void blake256_Final(BLAKE256_CTX *, uint8_t *);

void blake256(const uint8_t *, size_t, uint8_t *);

#endif /* __BLAKE256_H__ */