Robuta

https://eu.itglobal.com/glossary/pap/
PAP (Password Authentication Protocol) is a protocol that allows unencrypted name and password authentication for access to a specific server. | ITG EU
authentication protocolpappasswordsecurityaccessing
https://www.slideserve.com/mveronica/entity-authentication-and-key-agreement-powerpoint-ppt-presentation
Learn how Alice can prove her identity to Bob through shared key secrecy like passwords, MAC, or RSA private key, enhancing entity authentication and key...
powerpoint presentationpptkeybasedauthentication
https://www.rfc-editor.org/rfc/rfc7671.html
named entitiesrfcdnsbasedauthentication