The present application discloses methods and devices for information registration and authentication. The registration method may comprise: sending a request for registering standard information to an authentication server; receiving first authentication information fed back by the authentication server; generating a standard information acquisition request, sending the standard information acquisition request and the first authentication information to a first application, and acquiring signed standard information and an identity identifier of the standard information that are returned by the first application after the first application approves authentication of the first authentication information, wherein the signed standard information is signed by the first application using second authentication information; and sending the signed standard information, the identity identifier of the standard information, and the first authentication information to the authentication server.