Preparation, Enforcement, and Comparison of Internationalized Strings Representing Usernames and Passwords
RFC 7613, “Preparation, Enforcement, and Comparison of Internationalized Strings Representing Usernames and Passwords”, is a Proposed Standard document published in August 2015 by P. Saint-Andre, A. Melnikov. It obsoletes RFC 4013. It has been obsoleted by RFC 8265 — refer to the newer document for the authoritative version. The canonical text is published by the RFC Editor.
Abstract
This document describes updated methods for handling Unicode strings representing usernames and passwords. The previous approach was known as SASLprep (RFC 4013) and was based on stringprep (RFC 3454). The methods specified in this document provide a more sustainable approach to the handling of internationalized usernames and passwords. The preparation, enforcement, and comparison of internationalized strings (PRECIS) framework, RFC 7564, obsoletes RFC 3454, and this document obsoletes RFC 4013.
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 7613 is hosted at rfc-editor.org. Available in TXT,HTML.
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