Clearview Systems - http://www.clearview.co.uk/
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. |
CRYPTOCard Network Security - http://www.cryptocard.com/
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. |
DynaPass - http://www.dynapass.com/
Provides primary or secondary authentication by regularly distributing passwords (or parts of passwords) through wireless phones. Time locked access. |
IETF One Time Password Authentication Charter - http://www.ietf.org/html.charters/OLD/otp-charter.html
Current specifications for the official internet standard (a continuation of the BellCore S/Key standard). Composition and membership information included. |
JOTP Calculator - http://www.cs.umd.edu/users/harry/jotp/
A java applet OTP (S/Key) calculator. The applet downloads onto the client machine and calculates locally. |
OTPC 9000 - http://www.basun.net/software/otpc/
An OTP (S/Key) calculator for Nokia 9000 cellular phones. Includes S/Key information and resources. |
otpCalc - An OTP and S/Key calculator for X - http://killa.net/infosec/otpCalc/
otpCalc is an RFC2289 and RFC1760 compliant one time password calculator, written to use the GTK+ library for screen I/O. |
PalmKey - http://palmkey.sourceforge.net/
OTP (S/Key) calculator for palm pilots. Information about both source and binary distributions. |
PyOTP - http://pyotp.sourceforge.net/
A simple Python library, currently under development, to generate OTP (S/Key) responses. RFC-2289 compliant. Includes links to development and release information. |
RFC2289 - A One-Time Password System - http://tools.ietf.org/html/rfc2289
The current internet standard, as descended from the original S/Key specification. |
S/Key Introduction - http://www.surfnet.nl/innovatie/surf-ace/security/doc/skey.html
A technical description of the S/Key algorithm. |
SkeyCalc - http://www.orange-carb.org/SkeyCalc/
OTP (S/Key) calculator for MacOS X, MacOS X Server and NEXTSTEP. RFC-2289 compliant. Software downloads, documentation and an introduction to the technology. |
The S/KEY One-Time Password System - http://citeseer.ist.psu.edu/34338.html
Scholarly paper by Neil Haller on the original S/Key system. Links to many citations from the original paper. |