A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : TOTP: Time-based One-time Password Algorithm
Author(s) : M. View, et al.
Filename : draft-mraihi-totp-timebased-08.txt
Pages : 17
Date : 2011-02-24
This document describes an extension of one-time password (OTP)
algorithm, namely the HMAC-Based One-Time Password (HOTP) Algorithm
as defined in RFC 4226, to support time-based moving factor. The
HOTP algorithm specifies an event based OTP algorithm where the
moving factor is an event counter. The present work bases the moving
factor on a time value. A time-based variant of the OTP algorithm
provides short-lived OTP values, which are desirable for enhanced
security.
The proposed algorithm can be used across a wide range of network
applications ranging from remote Virtual Private Network (VPN)
access, Wi-Fi network logon to transaction-oriented Web applications.
The authors believe that a common and shared algorithm will
facilitate adoption of two-factor authentication on the Internet by
enabling interoperability across commercial and open-source
implementations.
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