<reponame>wwwarlock/datumesh-core
ifndef BITCOIN_CRYPTO_HMAC_SHA256_H
#define BITCOIN_CRYPTO_HMAC_SHA256_H

#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;
    }

ifndef BITCOIN_CRYPTO_HMAC_SHA256_H
#define BITCOIN_CRYPTO_HMAC_SHA256_H

#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;
    }
#define BITCOIN_CRYPTO_HMAC_SHA256_H #include "crypto/sha256.h" #include <stdint.h> #include <stdlib.h>