Am Fr 16. Mai 2008 schrieb Al Johnson: > On Friday 16 May 2008, ramsesoriginal wrote: > > I was just wondering: we have seen the problems of encryptingcalls. > > But what about decrypting them? Let*s say someone hasa method to call > > you with some sort of encryption.. would it be possible to write a > > decryption for it? Maybe public key? > > Depends what sort of calls you mean. If it's GSM voice calls then the same > problems apply as already discussed. If you're talking about a data link > encrypted end to end and passing voice data then it's possible, probably > using established standards. You could make an OpenVPN or IPsec tunnel end to > end, then use SIP, h323 or IAX2 over it. You could use one of the secured > versions of SIP directly, at least one of which uses public keys, but none of > them are universally accepted.
What about ZRTP? (Zimmerman, PGP inventor). Have a look at twinkle.com! Via GSM you can setup not only voice calls, but also fax and *DATA* calls with up to 14400bps. Tunneling SIP and low bandwidth RTP/ZRTP through this link should be feasible with low effort /j > You could even roll your own protocol using > TLS or something. > > _______________________________________________ > Openmoko community mailing list > community@lists.openmoko.org > http://lists.openmoko.org/mailman/listinfo/community > _______________________________________________ Openmoko community mailing list community@lists.openmoko.org http://lists.openmoko.org/mailman/listinfo/community