One Time Passwords in Everything (OPIE): Experiences with Building and Using Stringer Authentication

Abstract

The U. S. Naval Research Laboratory's OPIE (One-time Passwords In Everything) Software Distribution is an enhancement of Bellcore's S/Key (TradeMark) 1.0 package. OPIE improves on S/Key in several areas, including FTP service with one-time passwords, and a stronger algorithm for generating one-time passwords. OPIE diverges from S/Key in select design decisions and in the behavior of certain programs. While not a total security solution, OPIE can be an important part of one. OPIE and its evolutionary predecessors have been used for over a year in parts of NRL. Its use has taught the authors lessons on implementation, usability, deployment, and future directions for improvement.

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Document Details

Document Type
Technical Report
Publication Date
Jan 01, 1995
Accession Number
ADA465608

Entities

People

  • Craig Metz
  • Daniel L. Mcdonald
  • Randall J. Atkinson

Organizations

  • United States Naval Research Laboratory

Tags

Communities of Interest

  • Counter IED
  • Cyber
  • Materials and Manufacturing Processes

DTIC Thesaurus Topics

  • Algorithms
  • Application Protocols
  • Authentication
  • Computer Networks
  • Computer Programming
  • Computers
  • Deployment
  • Emergencies
  • Emergency Response
  • Information Operations
  • Internet
  • Military Research
  • Networks
  • Operating Systems
  • Security
  • Security Protocols
  • Shell Scripts

Readers

  • Computer Networking
  • Cybersecurity.