A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : Secure Session Key Generation. Creating PRF from MAC
Function
Author(s) : U. Blumenthal
Filename : draft-blumenthal-keygen-03.txt
Pages : 18
Date : 08-Jul-02
This document describes Pseudo Random Function (PRF) based on
MAC function (keyed iterated hash function), and offers a ref-
erence implementation of PRF based on SHA-1.
This PRF can be used to produce cryptographic keys for authen-
tication/integrity and encryption. It uses pre-shared secret
and publicly known random value (and possibly parties� identi-
ties). The main advantage of this algorithm over other similar
ones is that its security is formally tied to the MAC property
of the underlying function.
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