Kevacoin source tree
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

33 lines
777 B

// Copyright (c) 2014 The Bitcoin Core developers
10 years ago
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#ifndef BITCOIN_CRYPTO_HMAC_SHA256_H
#define BITCOIN_CRYPTO_HMAC_SHA256_H
10 years ago
#include "crypto/sha256.h"
#include <stdint.h>
#include <stdlib.h>
/** A hasher class for HMAC-SHA-512. */
class CHMAC_SHA256
{
private:
CSHA256 outer;
CSHA256 inner;
public:
static const size_t OUTPUT_SIZE = 32;
CHMAC_SHA256(const unsigned char* key, size_t keylen);
CHMAC_SHA256& Write(const unsigned char* data, size_t len)
{
inner.Write(data, len);
return *this;
}
void Finalize(unsigned char hash[OUTPUT_SIZE]);
};
#endif // BITCOIN_CRYPTO_HMAC_SHA256_H