RFC 3454: Preparation of Internationalized Strings ("stringprep")

This document describes a framework for preparing Unicode text strings in order to increase the likelihood that string input and string comparison work in…

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Incoming relationships (50 related RFCs)

Obsoleted by, Informatively referenced by — RFC 7564: PRECIS Framework: Preparation, Enforcement, and Comparison of Internationalized Strings in Application Protocols
Normatively referenced by — RFC 3490: Internationalizing Domain Names in Applications (IDNA)
Normatively referenced by — RFC 4422: Simple Authentication and Security Layer (SASL)
Normatively referenced by — RFC 4511: Lightweight Directory Access Protocol (LDAP): The Protocol
Normatively referenced by — RFC 4013: SASLprep: Stringprep Profile for User Names and Passwords
Normatively referenced by — RFC 3491: Nameprep: A Stringprep Profile for Internationalized Domain Names (IDN)
Normatively referenced by — RFC 5661: Network File System (NFS) Version 4 Minor Version 1 Protocol
Normatively referenced by — RFC 4513: Lightweight Directory Access Protocol (LDAP): Authentication Methods and Security Mechanisms
Normatively referenced by — RFC 3553: An IETF URN Sub-namespace for Registered Protocol Parameters
Normatively referenced by — RFC 4616: The PLAIN Simple Authentication and Security Layer (SASL) Mechanism
Normatively referenced by — RFC 4690: Review and Recommendations for Internationalized Domain Names (IDNs)
Normatively referenced by — RFC 4954: SMTP Service Extension for Authentication
Normatively referenced by — RFC 5802: Salted Challenge Response Authentication Mechanism (SCRAM) SASL and GSS-API Mechanisms
Normatively referenced by — RFC 4790: Internet Application Protocol Collation Registry
Normatively referenced by — RFC 5054: Using the Secure Remote Password (SRP) Protocol for TLS Authentication
Normatively referenced by — RFC 4518: Lightweight Directory Access Protocol (LDAP): Internationalized String Preparation
Normatively referenced by — RFC 5051: i;unicode-casemap - Simple Unicode Collation Algorithm
Normatively referenced by — RFC 4643: Network News Transfer Protocol (NNTP) Extension for Authentication
Normatively referenced by — RFC 5034: The Post Office Protocol (POP3) Simple Authentication and Security Layer (SASL) Authentication Mechanism
Normatively referenced by — RFC 5804: A Protocol for Remotely Managing Sieve Scripts
Normatively referenced by — RFC 6122: Extensible Messaging and Presence Protocol (XMPP): Address Format
Normatively referenced by — RFC 7143: Internet Small Computer System Interface (iSCSI) Protocol (Consolidated)
Normatively referenced by — RFC 8881: Network File System (NFS) Version 4 Minor Version 1 Protocol
Normatively referenced by — RFC 3467: Role of the Domain Name System (DNS)
Normatively referenced by — RFC 3922: Mapping the Extensible Messaging and Presence Protocol (XMPP) to Common Presence and Instant Messaging (CPIM)
Normatively referenced by — RFC 6856: Post Office Protocol Version 3 (POP3) Support for UTF-8
Normatively referenced by — RFC 4011: Policy Based Management MIB
Normatively referenced by — RFC 8146: Adding Support for Salted Password Databases to EAP-pwd
Normatively referenced by — RFC 6617: Secure Pre-Shared Key (PSK) Authentication for the Internet Key Exchange Protocol (IKE)
Normatively referenced by — RFC 6628: Efficient Augmented Password-Only Authentication and Key Exchange for IKEv2
Normatively referenced by — RFC 6631: Password Authenticated Connection Establishment with the Internet Key Exchange Protocol version 2 (IKEv2)
Informatively referenced by — RFC 5890: Internationalized Domain Names for Applications (IDNA): Definitions and Document Framework
Informatively referenced by — RFC 3748: Extensible Authentication Protocol (EAP)
Informatively referenced by — RFC 4279: Pre-Shared Key Ciphersuites for Transport Layer Security (TLS)
Informatively referenced by — RFC 5894: Internationalized Domain Names for Applications (IDNA): Background, Explanation, and Rationale
Informatively referenced by — RFC 5892: The Unicode Code Points and Internationalized Domain Names for Applications (IDNA)
Informatively referenced by — RFC 5893: Right-to-Left Scripts for Internationalized Domain Names for Applications (IDNA)
Informatively referenced by — RFC 3720: Internet Small Computer Systems Interface (iSCSI)
Informatively referenced by — RFC 6365: Terminology Used in Internationalization in the IETF
Informatively referenced by — RFC 4343: Domain Name System (DNS) Case Insensitivity Clarification
Informatively referenced by — RFC 5122: Internationalized Resource Identifiers (IRIs) and Uniform Resource Identifiers (URIs) for the Extensible Messaging and Presence Protocol (XMPP)
Informatively referenced by — RFC 7613: Preparation, Enforcement, and Comparison of Internationalized Strings Representing Usernames and Passwords
Informatively referenced by — RFC 8265: Preparation, Enforcement, and Comparison of Internationalized Strings Representing Usernames and Passwords
Informatively referenced by — RFC 6885: Stringprep Revision and Problem Statement for the Preparation and Comparison of Internationalized Strings (PRECIS)
Informatively referenced by — RFC 7622: Extensible Messaging and Presence Protocol (XMPP): Address Format
Informatively referenced by — RFC 8264: PRECIS Framework: Preparation, Enforcement, and Comparison of Internationalized Strings in Application Protocols
Informatively referenced by — RFC 7155: Diameter Network Access Server Application
Informatively referenced by — RFC 7790: Mapping Characters for Classes of the Preparation, Enforcement, and Comparison of Internationalized Strings (PRECIS)
Informatively referenced by — RFC 8753: Internationalized Domain Names for Applications (IDNA) Review for New Unicode Versions
Informatively referenced by — RFC 9233: Internationalized Domain Names for Applications 2008 (IDNA2008) and Unicode 12.0.0