libsrtp 介绍
libsrtp 是 SRTP (Secure Realtime Transport Protocol) 安全实时传输协议的开发包。
示例：
set k=c1eec3717da76195bb878578790af71c4ee9f859e197a414a78d5abc7451 [sh1]$ test/rtpw -s -k $k -e 128 -a 0.0.0.0 9999 Security services: confidentiality message authentication set master key/salt to C1EEC3717DA76195BB878578790AF71C/4EE9F859E197A414A78D5ABC7451 setting SSRC to 2078917053 sending word: A sending word: a sending word: aa sending word: aal ... [sh2]$ test/rtpw -r -k $k -e 128 -a 0.0.0.0 9999 security services: confidentiality message authentication set master key/salt to C1EEC3717DA76195BB878578790AF71C/4EE9F859E197A414A78D5ABC7451 19 octets received from SSRC 2078917053 word: A 19 octets received from SSRC 2078917053 word: a 20 octets received from SSRC 2078917053 word: aa 21 octets received from SSRC 2078917053 word: aal