CryptoStream.h

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/*
  * Copyright 2010-2016 Amazon.com, Inc. or its affiliates. All Rights Reserved.
  *
  * Licensed under the Apache License, Version 2.0 (the "License").
  * You may not use this file except in compliance with the License.
  * A copy of the License is located at
  *
  *  http://aws.amazon.com/apache2.0
  *
  * or in the "license" file accompanying this file. This file is distributed
  * on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
  * express or implied. See the License for the specific language governing
  * permissions and limitations under the License.
  */
#pragma once

#include <aws/core/utils/crypto/CryptoBuf.h>
#include <aws/core/Core_EXPORTS.h>

namespace Aws
{
    namespace Utils
    {
        namespace Crypto
        {
            class AWS_CORE_API SymmetricCryptoStream : public Aws::IOStream
            {
            public:
                SymmetricCryptoStream(Aws::IStream& src, CipherMode mode, SymmetricCipher& cipher, size_t bufLen = DEFAULT_BUF_SIZE);
                SymmetricCryptoStream(Aws::OStream& sink, CipherMode mode, SymmetricCipher& cipher, size_t bufLen = DEFAULT_BUF_SIZE);
                SymmetricCryptoStream(Aws::Utils::Crypto::SymmetricCryptoBufSrc& bufSrc);
                SymmetricCryptoStream(Aws::Utils::Crypto::SymmetricCryptoBufSink& bufSink);

                SymmetricCryptoStream(const SymmetricCryptoStream&) = delete;
                SymmetricCryptoStream(SymmetricCryptoStream&&) = delete;

                virtual ~SymmetricCryptoStream();

                SymmetricCryptoStream& operator=(const SymmetricCryptoStream&) = delete;
                SymmetricCryptoStream& operator=(SymmetricCryptoStream&&) = delete;


                void Finalize();

            private:
                CryptoBuf* m_cryptoBuf;
                bool m_hasOwnership;
            };
        }
    }
}