https://www.iankduncan.com/projects/rfc-browser/4785
RFC 4785: Pre-Shared Key (PSK) Ciphersuites with NULL Encryption for Transport Layer Security (TLS)...
This document specifies authentication-only ciphersuites (with no encryption) for the Pre-Shared Key (PSK) based Transport Layer Security (TLS) protocol. These...
transport layer securityshared keynull encryptionrfcpre