trezor-firmware/blake256.h

// Copyright (c) 2014-2017, The Monero Project
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// Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers

#ifndef __BLAKE256_H__
#define __BLAKE256_H__

#include <stdint.h>

#define BLAKE224_DIGEST_LENGTH 28
#define BLAKE256_DIGEST_LENGTH 32
#define BLAKE256_BLOCK_LENGTH  64

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

typedef struct {
  BLAKE256_CTX inner;
  BLAKE256_CTX outer;
} HMAC_BLAKE256_CTX;

void blake256_Init(BLAKE256_CTX *);
void blake224_Init(BLAKE256_CTX *);

void blake256_Update(BLAKE256_CTX *, const uint8_t *, size_t);
void blake224_Update(BLAKE256_CTX *, const uint8_t *, size_t);

void blake256_Final(BLAKE256_CTX *, uint8_t *);
void blake224_Final(BLAKE256_CTX *, uint8_t *);

void blake256(const uint8_t *, size_t, uint8_t *);
void blake224(const uint8_t *, size_t, uint8_t *);

/* HMAC functions: */

void hmac_blake256_Init(HMAC_BLAKE256_CTX *, const uint8_t *, size_t);
void hmac_blake224_Init(HMAC_BLAKE256_CTX *, const uint8_t *, size_t);

void hmac_blake256_Update(HMAC_BLAKE256_CTX *, const uint8_t *, size_t);
void hmac_blake224_Update(HMAC_BLAKE256_CTX *, const uint8_t *, size_t);

void hmac_blake256_Final(HMAC_BLAKE256_CTX *, uint8_t *);
void hmac_blake224_Final(HMAC_BLAKE256_CTX *, uint8_t *);

void hmac_blake256(const uint8_t *, size_t, const uint8_t *, size_t, uint8_t *);
void hmac_blake224(const uint8_t *, size_t, const uint8_t *, size_t, uint8_t *);

#endif /* __BLAKE256_H__ */