Meanings of authentication protocol in English

Create a USM entry on a device with proper USM attributes: username, authentication protocol, etc.

The passphrase used in conjunction with the authentication protocol.

The following sequence of code sets up the security name (user), authentication protocol, authentication passphrase, privacy protocol, and privacy passphrase:

In the most severe of their proof-of-concept attacks, the researchers found they could exploit SmartThings' flawed implementation of a common authentication protocol known as OAuth.

Yu's paper, co-authored with MIT colleague Sam Hartman, was the basis for a draft CERT vulnerability note detailing cryptographic flaws in the Kerberos authentication protocol.