- File formats:
- INTERNET STANDARD (changed from DRAFT STANDARD)
- RFC 1938
- N. Haller
- otp (sec)
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This document describes a one-time password authentication system (OTP). The system provides authentication for system access (login) and other applications requiring authentication that is secure against passive attacks based on replaying captured reusable passwords. [STANDARDS-TRACK]
For the definition of Status, see RFC 2026.
For the definition of Stream, see RFC 8729.