crypto_hash.h

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// Copyright (C) 2014-2017 Internet Systems Consortium, Inc. ("ISC")
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
#include <util/buffer.h>
 
#include <boost/noncopyable.hpp>
 
#include <cryptolink/cryptolink.h>
 
#ifndef ISC_CRYPTO_HASH_H
#define ISC_CRYPTO_HASH_H
 
namespace isc {
namespace cryptolink {
 
class HashImpl;
 
class Hash : private boost::noncopyable {
private:
    Hash(const HashAlgorithm hash_algorithm);
 
    friend Hash* CryptoLink::createHash(const HashAlgorithm);
 
public:
    ~Hash();
 
    HashAlgorithm getHashAlgorithm() const;
 
    size_t getOutputLength() const;
 
    void update(const void* data, const size_t len);
 
    void final(isc::util::OutputBuffer& result, size_t len);
 
    void final(void* result, size_t len);
 
    std::vector<uint8_t> final(size_t len);
 
private:
    HashImpl* impl_;
};
 
void digest(const void* data,
            const size_t data_len,
            const HashAlgorithm hash_algorithm,
            isc::util::OutputBuffer& result,
            size_t len = 0);
 
void deleteHash(Hash* hash);
 
} // namespace cryptolink
} // namespace isc
 
#endif // ISC_CRYPTO_HASH_H