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 ...

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

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

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.

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

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

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

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

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