Apparatus and method for anonymity-based authentication and key agreement with message binding properties

摘要

We propose an apparatus and method for anonymous authentication and key agreement that provides outgoing message connectivity that protects anonymity and ensures that messages received in multiple rounds through binding properties are secured by participants who want key agreement. do. The proposed apparatus receives a plurality of messages including a signature generated based on the sender's connection information, and includes a signature verification unit that verifies a signature included in each of the plurality of messages, and the signature verification unit validates each signature. And verifying that the plurality of messages are sent from the same sender based on the connection information of each signature.