Ericsson Research Ericsson Research Ericsson Research Ericsson Research Ericsson Research This document describes a key management scheme that can be used for real-time applications (both for peer-to-peer communication and group communication). In particular, its use to support the Secure Real-time Transport Protocol is described in detail. Security protocols for real-time multimedia applications have started to appear. This has brought forward the need for a key management solution to support these protocols. [STANDARDS-TRACK]