One Time Passwords
One Time Passwords Links
- PalmKey OTP (S/Key) calculator for palm pilots.
- OTP/Skey - One Time Password Information Good list of OTP (S/Key) calculators for normal and unusual platforms. Description of S/Key tools usage on unix systems.
- The S/KEY One-Time Password System Scholarly paper by Neil Haller on the original S/Key system.
- Clearview Systems Suppliers of Secure Computing SafeWord, a one-time password scheme based on hardware tokens. Site includes rationale for one-time password systems, as well as other network security products.
- DynaPass Provides primary or secondary authentication by regularly distributing passwords (or parts of passwords) through wireless phones. Time locked access.
- CRYPTOCard Network Security One time tokens delivered on key fobs, palm pilots, hardware or software. Security for dial in, access control, internet and web connections. Offers strong two factor user authentication. Management software.
- otpCalc An OTP (S/Key) calculator for X (X-Windows). Supports MD4, MD5, SHA1, and RIPEMD-160 message digests. Site includes screenshots.
- PyOTP a simple Python library, currently under development, to generate OTP (S/Key) responses. RFC-2289 compliant. Site includes links to development and release information.
- SkeyCalc OTP (S/Key) calculator for MacOS X, MacOS X Server and NEXTSTEP. RFC-2289 compliant.
- RFC2289 - A One-Time Password System The current internet standard, as descended from the original S/Key specification.
- RSA Security Makers of SecurID token system.
- OTPC 9000 An OTP (S/Key) calculator for Nokia 9000 cellular phones. Other web resources.
- One Time Passwords In Everything (OPIE) OTP (S/Key) source code, oriented towards unix servers. Provides calculator tools, as well as server FTP, login and su programs. Freely redistributable.
- S/Key Introduction Technical description of the S/Key system
- 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.
- David Baldwin Author of an Apple Newton OTP (S/Key) calculator.
- Vulnerabilities in S/KEY A good discussion of those problems that OTP schemes can't solve. Applicable to many OTP schemes, not just S/Key.
- JOTP Calculator A java applet OTP (S/Key) calculator. The applet downloads onto the client machine and calculates locally.
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