OTP Extended Responses
RFC 2243, “OTP Extended Responses”, is a Proposed Standard document published in November 1997 by C. Metz. The canonical text is published by the RFC Editor.
Abstract
This document provides a specification for a type of response to an OTP [RFC 1938] challenge that carries explicit indication of the response's encoding. This document also provides a specification for a response that allows an OTP generator to request that a server re-initialize a sequence and change parameters such as the secret pass phrase. [STANDARDS-TRACK]
What “Proposed Standard” means
An entry-level standards-track specification: stable, peer-reviewed and a solid basis for implementation, though it may still evolve before becoming an Internet Standard.
The canonical text of RFC 2243 is hosted at rfc-editor.org. Available in TXT,HTML.
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