Directory Sites

  • CRYPTOCard Network Security

    Password tokens delivered on key fobs, palm pilots, hardware or software. Security for dial in, access control, internet and web connections. Offers a strong two factor system. Management software. Includes rationale and business case for token-based access.

    www.cryptocard.com

  • Clearview Systems

    Suppliers of Secure Computing SafeWord, a scheme based on hardware tokens. Includes rationale for single-use password systems, as well as other network security products.

    www.clearview.co.uk

  • JOTP Calculator

    A java applet OTP (S/Key) calculator. The applet downloads onto the client machine and calculates locally.

    www.cs.umd.edu

  • SkeyCalc

    OTP (S/Key) calculator for MacOS X, MacOS X Server and NEXTSTEP. RFC-2289 compliant. Site includes software downloads, documentation and an introduction to the technology.

    www.orange-carb.org

  • PalmKey

    OTP (S/Key) calculator for palm pilots. Site includes information about both source and binary distributions.

    palmkey.sourceforge.net

  • OTPC 9000

    An OTP (S/Key) calculator for Nokia 9000 cellular phones. Includes S/Key information and resources.

    www.basun.net

  • DynaPass

    Provides primary or secondary authentication by regularly distributing passwords (or parts of passwords) through wireless phones. Time locked access.

    www.dynapass.com

  • PyOTP

    A simple Python library, currently under development, to generate OTP (S/Key) responses. RFC-2289 compliant. Includes links to development and release information.

    pyotp.sourceforge.net

  • S/Key Introduction

    A technical description of the S/Key algorithm.

    www.surfnet.nl

  • RFC2289 - A One-Time Password System

    The current internet standard, as descended from the original S/Key specification.

    www.faqs.org

  • pilOTP

    OTP (S/Key) client for the Palm platform. Includes screen captures, and general information as well as software downloads.

    astro.uchicago.edu

  • otpCalc - An OTP and S/Key calculator for X

    otpCalc is an RFC2289 and RFC1760 compliant one time password calculator, written to use the GTK+ library for screen I/O.

    killa.net

  • The S/KEY One-Time Password System

    Scholarly paper by Neil Haller on the original S/Key system. Links to many citations from the original paper.

    citeseer.ist.psu.edu

  • IETF One Time Password Authentication Charter

    Current specifications for the official internet standard (a continuation of the BellCore S/Key standard). Composition and membership information included.

    www.ietf.org

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