Guidance for External Pre-Shared Key (PSK) Usage in TLS
RFC 9257

Received changes through RFC Editor sync (created alias RFC 9257, changed title to 'Guidance for External Pre-Shared Key (PSK) Usage in TLS', changed abstract to 'This document provides usage guidance for external Pre-Shared Keys (PSKs) in Transport Layer Security (TLS) 1.3 as defined in RFC 8446.  It lists TLS security properties provided by PSKs under certain assumptions, then it demonstrates how violations of these assumptions lead to attacks.  Advice for applications to help meet these assumptions is provided.  This document also discusses PSK use cases and provisioning processes.  Finally, it lists the privacy and security properties that are not provided by TLS 1.3 when external PSKs are used.', changed pages to 13, changed standardization level to Informational, changed state to RFC, added RFC published event at 2022-07-25, changed IESG state to RFC Published)