[messaging] JackPair

Nathan of Guardian nathan at guardianproject.info
Sat Aug 23 20:04:43 PDT 2014

On 08/22/2014 09:00 PM, Tony Arcieri wrote:
> Another fun engineering challenge for these sorts of
> compressed/encrypted digital voice systems: avoiding information leakage
> sidechannels in variable bitrate audio compression:
> https://www.infsec.cs.uni-saarland.de/teaching/WS08/Seminar/reports/yes-we-can.pdf
> tl;dr: use CBR I suppose? Is this device using CBR, and is that
> sufficient to mitigate this attack?

They are using Codec2 which is CBR and amazing at working within noisy
analog radio links:

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