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/*
 * Copyright (c) 2013 Isode Limited.
 * All rights reserved.
 * See the COPYING file for more information.
 */

#pragma once

#include <Swiften/Base/API.h>
#include <Swiften/Base/ByteArray.h>
#include <Swiften/Base/SafeByteArray.h>
#include <Swiften/Crypto/Hash.h>

namespace Swift {
    class Hash;

    class SWIFTEN_API CryptoProvider {
        public:
            virtual ~CryptoProvider();

            virtual Hash* createSHA1() = 0;
            virtual Hash* createMD5() = 0;
            virtual ByteArray getHMACSHA1(const SafeByteArray& key, const ByteArray& data) = 0;
            virtual ByteArray getHMACSHA1(const ByteArray& key, const ByteArray& data) = 0;
            virtual bool isMD5AllowedForCrypto() const = 0;

            // Convenience
            template<typename T> ByteArray getSHA1Hash(const T& data) {
                return boost::shared_ptr<Hash>(createSHA1())->update(data).getHash();
            }

            template<typename T> ByteArray getMD5Hash(const T& data) {
                return boost::shared_ptr<Hash>(createMD5())->update(data).getHash();
            }
    };
}