"Authentication is the act of proving an assertion, such as the identity of a computer system user. In contrast with identification, the act of indicating a per

"Authentication is the act of proving an assertion, such as the identity of a computer system user. In contrast with identification, the act of indicating a person or thing's identity, authentication is the process of verifying that identity." (https://en.wikipedia.org/wiki/Authentication https://en.wikipedia.org/wiki/Authentication) So it's not useful for authentication but could be used for identification.