d3501adf17
Create the SrtpTransportInterface, a subclass of RtpTransportInterface, which allows the user to set the send and receive keys. The functionalities are implemented inside the RtpTransportAdapters on top of BaseChannel. BUG=webrtc:7013 Review-Url: https://codereview.webrtc.org/2714813004 Cr-Commit-Position: refs/heads/master@{#17023}
49 lines
1.9 KiB
C++
49 lines
1.9 KiB
C++
/*
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* Copyright 2017 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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#ifndef WEBRTC_API_ORTC_SRTPTRANSPORTINTERFACE_H_
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#define WEBRTC_API_ORTC_SRTPTRANSPORTINTERFACE_H_
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#include "webrtc/api/ortc/rtptransportinterface.h"
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#include "webrtc/api/rtcerror.h"
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#include "webrtc/media/base/cryptoparams.h"
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namespace webrtc {
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// The subclass of the RtpTransport which uses SRTP. The keying information
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// is explicitly passed in from the application.
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//
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// If using SDP and SDES (RFC4568) for signaling, then after applying the
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// answer, the negotiated keying information from the offer and answer would be
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// set and the SRTP would be active.
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//
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// Note that Edge's implementation of ORTC provides a similar API point, called
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// RTCSrtpSdesTransport:
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// https://msdn.microsoft.com/en-us/library/mt502527(v=vs.85).aspx
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class SrtpTransportInterface : public RtpTransportInterface {
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public:
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virtual ~SrtpTransportInterface() {}
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// There are some limitations of the current implementation:
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// 1. Send and receive keys must use the same crypto suite.
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// 2. The keys can't be changed after initially set.
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// 3. The keys must be set before creating a sender/receiver using the SRTP
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// transport.
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// Set the SRTP keying material for sending RTP and RTCP.
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virtual RTCError SetSrtpSendKey(const cricket::CryptoParams& params) = 0;
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// Set the SRTP keying material for receiving RTP and RTCP.
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virtual RTCError SetSrtpReceiveKey(const cricket::CryptoParams& params) = 0;
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};
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} // namespace webrtc
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#endif // WEBRTC_API_ORTC_SRTPTRANSPORTINTERFACE_H_
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