Zimmermann VoIP encryption now available for Windows, NSA will like it

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Mac and Linux users had the priority. But now, their Windows fellow VoIP users have their dedicated Zfone. Philip “Mr. PGP” Zimmermann rolled his encryption software for voice calls yesterday, on Sunday, when people used to lawn their back yard. Zfone for Windows still in beta but closer to a final release.

For the record, Zfone is supposed to top current voice encryption applications (even Skype’s built-in encryption) because it uses a new protocol called ZRTP. According to Zimmermann, the technique allows “key agreements and key management in a purely peer-to-peer manner over the RTP packet stream.”

In short: No more need of certifications, trust models, or encryption key management. And also, no more need to rely on a bunch of servers.

Zfone works with Gizmo, SJphone, X-lite, Jabbin and almost open source voice clients. Of course, it does not get along with Skype at all.

This latest release should spark more interest than the previous ones, mainly due to the NSA US spying program controversy. So far, the FCC, which is in charge of making telcos comply with the wiretapping program, hasn’t put their hands on Philip Zimmermann.

That would be at least his second time. The first was during the 1990’s, after he released its Pretty Good Privacy software to encrypt emails. The FBI accused him to violate export restrictions on cryptographic software.

May 22, 2006 | By Nuno

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