Packet encryption possibilities?

[Patrick Madden]

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Hi -- I spotted a bit of discussion in the archives on this, but it  
wasn't clear if it would be possible to add in alternate encryption  
algorithms.

I'd like to get access to the voice packets prior to them being sent  
out.  The flow I'm hoping to be able to achieve is
[speaker] -> [stock compression] -> [MY ENCRYPT] -> cell network ->  
[MY DECRYPT] -> [stock decompression] -> [listener]

It looks like the standard encryption algorithms may have been broken  
(see
<http://www.nytimes.com/2007/04/29/technology/29cnd-encrypt.html? 
ex=1335499200&en=aa06d98a600afc6f&ei=5088&partner=rssnyt&emc=rss>),  
so I'm hoping to develop a good alternative.

One of my research interests is encryption, and cell phones clearly  
need some help.  Will hacking along these lines be possible in the  
upcoming release?   The chip sets used in the phone might not expose  
enough to do this, and if it's not possible, I'd like to know early!

Best Regards,
Patrick
- --
Patrick H. Madden, SUNY Binghamton CSD   pmadden at acm.org



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