[asterisk-bugs] [JIRA] (ASTERISK-22832) Support AES-GCM mode in SRTP

[Kristian Kielhofner (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-22832?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=216464#comment-216464 ] 

Kristian Kielhofner commented on ASTERISK-22832:
------------------------------------------------

I also created a ReviewBoard entry with the latest patch:

https://reviewboard.asterisk.org/r/3350/

> Support AES-GCM mode in SRTP
> ----------------------------
>
>                 Key: ASTERISK-22832
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-22832
>             Project: Asterisk
>          Issue Type: Improvement
>      Security Level: None
>          Components: Channels/chan_sip/SRTP
>    Affects Versions: SVN
>         Environment: Linux x86_64
>            Reporter: Kristian Kielhofner
>            Severity: Minor
>         Attachments: asterisk_gcm_draft10.patch, asterisk_gcm.patch
>
>
> There is a version of libsrtp that supports AES-NI and AES-GCM mode:
> https://github.com/cisco/libsrtp/pull/34
> More on AES-GCM mode:
> http://tools.ietf.org/html/draft-ietf-avtcore-srtp-aes-gcm-10
> https://crypto.stanford.edu/RealWorldCrypto/slides/gueron.pdf
> AES-GCM mode improves the performance of SRTP on systems with and without support for the AES-NI instruction set.
> Performance test results pending.



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