Technical Summary
This document defines a new 'crypto' attribute for the Session Description
Protocol (SDP). This attribute constitutes a means of key exchange within SDP tosecure media streams such as RTP (via sRTP) when used in the context of SIP and
the offer/answer model.
Working Group Summary
The advancement of this document was supported by the MMUSIC WG. It is one of
two mechanisms being advanced by MMUSIC to fill the gap left by the "k=" line
mechanism of SDP. While the WG could not achieve consensus on a single
mechanism, it is hoped that deployment experience will clarify the respective
applicability of these two approaches.
Protocol Quality
This document was reviewed for the IESG by Jon Peterson.