File formats:

Status:

INTERNET STANDARD (changed from DRAFT STANDARD)

Obsoletes:

RFC 1938

Authors:

N. Haller
C. Metz
P. Nesser
M. Straw

Stream:

IETF

Source:

otp (sec)

Cite this RFC: TXT  |  XML  |   BibTeX

DOI:  https://doi.org/10.17487/RFC2289

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Abstract

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.