[asterisk-dev] [Code Review] 3679: WebRTC: Add SHA-256 support, change DTLS-SRTP negotiation, add finer grain control of things.

[one47]

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I do not feel qualified to add a ship-it flag, but can confirm good results with this patch and Chrome.

When using diff v.1 I did see a 100% CPU usage issue during a call hangup, and some random one-way audio issues, but cannot replicate them since I moved up to diff v.3.

- one47


On June 29, 2014, 6:04 p.m., Joshua Colp wrote:
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> This is an automatically generated e-mail. To reply, visit:
> https://reviewboard.asterisk.org/r/3679/
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> 
> (Updated June 29, 2014, 6:04 p.m.)
> 
> 
> Review request for Asterisk Developers.
> 
> 
> Bugs: ASTERISK-22961 and ASTERISK-23026
>     https://issues.asterisk.org/jira/browse/ASTERISK-22961
>     https://issues.asterisk.org/jira/browse/ASTERISK-23026
> 
> 
> Repository: Asterisk
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> 
> Description
> -------
> 
> This change does the following:
> 
> 1. Adds SHA-256 support for DTLS-SRTP. This is done in an extensible way so if we need to add other hashes it should be relatively easy to.
> 2. Adds the ability to force "AVP" for DTLS streams for greater interoperability.
> 3. Sets the ICE role to controlled or controlling depending on offer/answer.
> 4. Provides the ability to verify only fingerprint, certificate, or both.
> 5. Adds DTLS negotiation to RTCP.
> 6. Changes DTLS negotiation to occur after ICE negotiation completes.
> 7. Adds handling of DTLS traffic before ICE negotiation has formally completed.
> 
> 
> Diffs
> -----
> 
>   /branches/11/res/res_rtp_asterisk.c 417586 
>   /branches/11/main/rtp_engine.c 417586 
>   /branches/11/include/asterisk/rtp_engine.h 417586 
>   /branches/11/configs/sip.conf.sample 417586 
>   /branches/11/channels/sip/include/sip.h 417586 
>   /branches/11/channels/chan_sip.c 417586 
>   /branches/11/UPGRADE.txt 417586 
> 
> Diff: https://reviewboard.asterisk.org/r/3679/diff/
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> 
> Testing
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> Tested inbound and outbound calls against:
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> Chrome
> Yandex Browser
> Opera
> Maxthon
> Firefox
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> Note that hold/unhold only currently works against Chrome based browsers.
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> 
> Thanks,
> 
> Joshua Colp
> 
>

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