chromium/media/cdm/aes_decryptor.h

// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef MEDIA_CDM_AES_DECRYPTOR_H_
#define MEDIA_CDM_AES_DECRYPTOR_H_

#include <stdint.h>

#include <map>
#include <memory>
#include <string>
#include <unordered_map>
#include <vector>

#include "base/memory/scoped_refptr.h"
#include "base/synchronization/lock.h"
#include "base/thread_annotations.h"
#include "media/base/callback_registry.h"
#include "media/base/cdm_context.h"
#include "media/base/cdm_key_information.h"
#include "media/base/cdm_promise.h"
#include "media/base/content_decryption_module.h"
#include "media/base/decryptor.h"
#include "media/base/media_export.h"
#include "media/cdm/json_web_key.h"

namespace crypto {
class SymmetricKey;
}

namespace media {

// Decrypts an AES encrypted buffer into an unencrypted buffer. The AES
// encryption must be CTR with a key size of 128bits.
class MEDIA_EXPORT AesDecryptor : public ContentDecryptionModule,
                                  public CdmContext,
                                  public Decryptor { … };

}  // namespace media

#endif  // MEDIA_CDM_AES_DECRYPTOR_H_