SHA256.h

/**
 *   Copyright (c) 2018 TectroLabs L.L.C.
 *
 *    Permission is hereby granted, free of charge, to any person obtaining
 *    a copy of this software and associated documentation files (the "Software"),
 *    to deal in the Software without restriction, including without limitation
 *    the rights to use, copy, modify, merge, publish, distribute, sublicense,
 *    and/or sell copies of the Software, and to permit persons to whom the Software
 *    is furnished to do so, subject to the following conditions:
 *
 *    The above copyright notice and this permission notice shall be included in
 *    all copies or substantial portions of the Software.
 *
 *    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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 *    OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 *    IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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/**
 *    @file SHA256.h
 *    @author Andrian Belinski
 *    @date 06/1/2018
 *    @version 1.0
 *
 *    @brief hashes an array of bytes using SHA256
 *
 */

#ifndef SHA256_H_
#define SHA256_H_

#include <openssl/sha.h>

namespace entropyservice {

class SHA256 {
public:
	bool hash(unsigned char *bytesToHash, int byteCount);
	unsigned char *getMessageDigest();
	int getMessageDigestSize();
	SHA256();
	virtual ~SHA256();
private:
	unsigned char md[SHA256_DIGEST_LENGTH];
};

} /* namespace entropyservice */

#endif /* SHA256_H_ */