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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef MEDIA_CRYPTO_AES_DECRYPTOR_H_
#define MEDIA_CRYPTO_AES_DECRYPTOR_H_
#include "base/basictypes.h"
#include "base/memory/ref_counted.h"
#include "media/base/media_export.h"
namespace media {
class Buffer;
// Decrypts AES encrypted buffer into unencrypted buffer.
class MEDIA_EXPORT AesDecryptor {
public:
AesDecryptor();
// Decrypt |input| buffer. The |input| should not be NULL.
// Return a Buffer that contains decrypted data if decryption succeeded.
// Return NULL if decryption failed.
scoped_refptr<Buffer> Decrypt(const scoped_refptr<Buffer>& input);
private:
DISALLOW_COPY_AND_ASSIGN(AesDecryptor);
};
} // namespace media
#endif // MEDIA_CRYPTO_AES_DECRYPTOR_H_
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