Tokenized Authentication Methods

A.

The requirement is to use token-based authentication while avoiding the exposure of the client's password. Token-based authentication allows clients to access the REST API using an access token instead of a password. The token is generated by the server after the client provides its credentials, and the token is then used for subsequent requests.

Out of the given options, the method that best meets this requirement is OAuth.

OAuth (Open Authorization) is an open standard protocol used for authorization, specifically for granting access to resources on behalf of a user. OAuth enables users to authorize third-party applications to access their resources without revealing their passwords. It works by providing a token to the client application, which the client application can use to access the resources on behalf of the user.

OAuth allows for delegated authorization, meaning that a user can grant access to their resources to a third-party application without sharing their credentials. The client application requests access from the OAuth provider, which prompts the user to authenticate and grant access. The OAuth provider then generates a token that can be used by the client application to access the user's resources.

In summary, OAuth is the best method for the web developer to use for token-based authentication while avoiding the exposure of the client's password.