A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : A Simple Approach to Data Source Authentication for Multicast Security
Author(s) : A. Sharma
Filename : draft-sharma-simple-multicast-source-auth-00.txt
Pages : 7
Date : 2004-5-11
Data source authentication is an important requirement to provide
multicast security. Data source authentication assures that the
member claiming to send the data is the actual sender. An imposter
member should not be able to claim to be the sender of the data.
This document proposes a scheme by which data source authentication
can be acheived. This approach does not use digital signatures or
assume any time synchronization between the sender and the
receivers. Instead of directly authenticating a multicast
communication, it is split into a 1-to-1 authenticated unicast to
GCKS followed by an authenticated multicast by GCKS. Message
Authentication Codes (MACs) are used instead of digital signatures in
both the authenticated unicast and the authenticated multicast.
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