Isaac Posted December 6, 2014 Share Posted December 6, 2014 Specialized software can figure out with good certainty what was said over a VBR encrypted stream without decrypting the stream by analyzing the ups/downs in the bitrate.Paper by some engineering school - http://www.cs.jhu.edu/~cwright/oakland08.pdf Paper by some other school (university) - http://www.cs.unc.edu/~fabian/papers/foniks-oak11.pdf Could an option be added to force the use of CBR (Constant Bit Rate) on the server?Encryption is nice, but if 90% of the conversation can be figured out by software...it's not very private.Thanks,Isaac Quote Link to comment Share on other sites More sharing options...
Administrators hacst Posted December 14, 2014 Administrators Share Posted December 14, 2014 We are aware of this and for Opus we are using CBR. Quote Link to comment Share on other sites More sharing options...
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