What is an example of a basic authentication scheme?

Consider, for example, that the server and client agree to use the Basic authentication scheme. The ID/Password pair is sent unencrypted and thus has to rely on the data being transmitted over a secure HTTP Connection, such as HTTPS.

What is an authentication scheme?

An authentication scheme's authenticate action is responsible for constructing the user's identity based on request context. It returns an AuthenticateResult indicating whether authentication was successful and, if so, the user's identity in an authentication ticket. See AuthenticateAsync. Authenticate examples include:

What is a basic HTTP authentication scheme?

The "Basic" HTTP authentication scheme is defined in RFC 7617, which transmits credentials as user ID/password pairs, encoded using base64. As the user ID and password are passed over the network as clear text (it is base64 encoded, but base64 is a reversible encoding), the basic authentication scheme is not secure.