libzrtp， 最新版本的ZRTP源码,比SRTP更安全,用于Voip媒体加密。The libzrtp library is a cross-platform implementation of ZRTP, a VoIP encryption protocol developed by Phil Zimmermann. libzrtp is suitable for inclusion in software VoIP clients, firmware for hardware VoIP

跨平台libzrtp库,比srtp更安全,支持unix/linux, windows等平台