82 lines
2.7 KiB
C
82 lines
2.7 KiB
C
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/*
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* Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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// This sub-API supports the following functionalities:
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//
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// - External encryption and decryption.
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//
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// Usage example, omitting error checking:
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//
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// using namespace webrtc;
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// VoiceEngine* voe = VoiceEngine::Create();
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// VoEEncryption* encrypt = VoEEncryption::GetInterface(voe);
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// ...
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// encrypt->Release();
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// VoiceEngine::Delete(voe);
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//
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#ifndef WEBRTC_VOICE_ENGINE_VOE_ENCRYPTION_H
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#define WEBRTC_VOICE_ENGINE_VOE_ENCRYPTION_H
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#include "common_types.h"
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namespace webrtc {
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class VoiceEngine;
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class WEBRTC_DLLEXPORT VoEEncryption
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{
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public:
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// Factory for the VoEEncryption sub-API. Increases an internal
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// reference counter if successful. Returns NULL if the API is not
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// supported or if construction fails.
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static VoEEncryption* GetInterface(VoiceEngine* voiceEngine);
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// Releases the VoEEncryption sub-API and decreases an internal
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// reference counter. Returns the new reference count. This value should
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// be zero for all sub-API:s before the VoiceEngine object can be safely
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// deleted.
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virtual int Release() = 0;
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// Installs an Encryption instance and enables external encryption
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// for the selected |channel|.
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virtual int RegisterExternalEncryption(
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int channel, Encryption& encryption) = 0;
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// Removes an Encryption instance and disables external encryption
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// for the selected |channel|.
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virtual int DeRegisterExternalEncryption(int channel) = 0;
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// Not supported
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virtual int EnableSRTPSend(int channel, CipherTypes cipherType,
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int cipherKeyLength, AuthenticationTypes authType, int authKeyLength,
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int authTagLength, SecurityLevels level, const unsigned char key[30],
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bool useForRTCP = false) = 0;
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// Not supported
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virtual int DisableSRTPSend(int channel) = 0;
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// Not supported
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virtual int EnableSRTPReceive(int channel, CipherTypes cipherType,
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int cipherKeyLength, AuthenticationTypes authType, int authKeyLength,
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int authTagLength, SecurityLevels level, const unsigned char key[30],
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bool useForRTCP = false) = 0;
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// Not supported
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virtual int DisableSRTPReceive(int channel) = 0;
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protected:
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VoEEncryption() {}
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virtual ~VoEEncryption() {}
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};
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} // namespace webrtc
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#endif // WEBRTC_VOICE_ENGINE_VOE_ENCRYPTION_H
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