[asterisk-dev] [Code Review] Randomize IAX2 encryption padding

Russell Bryant russell at digium.com
Fri Mar 13 14:37:10 CDT 2009


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Ship it!


- Russell


On 2009-03-13 14:34:57, David Vossel wrote:
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> (Updated 2009-03-13 14:34:57)
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> Review request for Asterisk Developers and Russell Bryant.
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> Summary
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> The 16-32 byte random padding at the beginning of an encrypted IAX2 frame turns out to not be all that random at all.  This patch calls ast_random to fill the padding buffer with random data.  The padding is randomized at the beginning of every encrypted call and for every encrypted retransmit frame.
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> Diffs
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>   /trunk/channels/chan_iax2.c 182114 
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> Diff: http://reviewboard.digium.com/r/193/diff
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> Testing
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> ran an encrypted call, everything worked as expected. 
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> Thanks,
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> David
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>




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