[asterisk-bugs] [Asterisk 0018643]: SRTP unprotect: authentication failure when RTP sequence number switches from 65535 -> 0

[Asterisk Bug Tracker]

A NOTE has been added to this issue. 
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https://issues.asterisk.org/view.php?id=18643 
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Reported By:                marcelloceschia
Assigned To:                
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Project:                    Asterisk
Issue ID:                   18643
Category:                   Channels/chan_sip/SRTP
Reproducibility:            always
Severity:                   major
Priority:                   normal
Status:                     acknowledged
Asterisk Version:           1.8.2.1 
JIRA:                       SWP-2945 
Regression:                 No 
Reviewboard Link:            
SVN Branch (only for SVN checkouts, not tarball releases): N/A 
SVN Revision (number only!):  
Request Review:              
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Date Submitted:             2011-01-19 06:53 CST
Last Modified:              2011-05-25 09:14 CDT
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Summary:                    SRTP unprotect: authentication failure when RTP
sequence number switches from 65535 -> 0
Description: 
[Jan 19 09:29:34] WARNING[9825] res_srtp.c: SRTP unprotect: authentication
failure

Useragent    : Nokia RM-530 052.005
Prim.Transp. : TLS

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 (0135374) michaesc (reporter) - 2011-05-25 09:14
 https://issues.asterisk.org/view.php?id=18643#c135374 
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This isn't limited to Nokia user agents. My test of SRTP using SDES over
TLS led to the same failure (one way audio) with a Snom 8.4.31 user agent.
The test lasted about 1 1/2 hours before the one way audio began. 

Issue History 
Date Modified    Username       Field                    Change               
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2011-05-25 09:14 michaesc       Note Added: 0135374                          
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