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Re: [webrtc-stats] Add stats for the negotiated DTLS-SRTP and DTLS cipher suites.

From: Taylor Brandstetter via GitHub <sysbot+gh@w3.org>
Date: Thu, 12 Oct 2017 20:56:23 +0000
To: public-webrtc-logs@w3.org
Message-ID: <issue_comment.created-336264326-1507841767-sysbot+gh@w3.org>
> Is this the stream cipher only, or does it include the cert ciphers?

Is the cert cipher represented by `RTCCertificateStats.fingerprintAlgorithm`, or are you referring to something different?

> Is there a reference to (D)TLS that you can use to give its definition?

`dtlsCipher` would be the selected "cipher suite" as defined in RFC6101, and `srtpCipher` would be the selected "DTLS-SRTP SRTP Protection Profile" as defined in RFC5764.

> How does this tie in to which certificate you used?

The certificates are used for authentication, and (I believe) play a role in encrypting the key that's ultimately used for media.

> Should it be per-transport or per-certificate?

Per-transport.



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Received on Thursday, 12 October 2017 20:56:18 UTC

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