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ZRTP & PGP

American cryptographer, Philip Zimmermann, is one of the leading experts in the field of e-mail and mobile phone communications security. He’s the creator of, among others, Pretty Good Privacy (PGP), the world’s most used email encryption and digital signature software; and the ZRTP protocol, used to encrypt mobile phone conversations at a 256-bit encryption level.

Thanks to Zimmermann’s contribution, and to the integration between the software he created and our S-MIME servers, PrivateWave is now able to provide its customers with top-level services in the field of telecommunications security, meeting the versatility of user-friendly products with the reliability of professional tools for a 100% safe information sharing.

ZRTP Media Path Key Agreement for Secure RTP.pdf (150.7 KB)

ZRTP Media Path Key Agreement for Secure RTP, by Phil Zimmermann. 2009

This document defines ZRTP, a protocol for media path Diffie-Hellman exchange to agree on a session key and parameters for establishing Secure Real-time Transport Protocol (SRTP) sessions.

You can find out more about development of ZRTP technologies by reading the technical white papers.

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