libsrtp2-1 2.5.0-3 (i386 binary) in ubuntu mantic

 SRTP is a security profile for RTP
 that adds confidentiality, message authentication, and replay protection
 to that protocol.
 It is specified in RFC 3711.
 .
 LibSRTP provides an implementation
 of the Secure Real-time Transport Protocol (SRTP),
 the Universal Security Transform (UST),
 and a supporting cryptographic kernel.
 .
 This package contains the shared libraries.