Method of providing mutual authentication of contents in social media service, and server, user terminal, and application implementing the method

Abstract

Disclosed is a method of providing, by a server, mutual authentication of mutual authentication participants for contents of a social media service, the method including: receiving requestor authentication information generated in a terminal of a requestor requesting mutual authentication for specific contents; receiving acceptor authentication information generated in a terminal of an acceptor accepting the mutual authentication for the specific contents; and verifying the requestor authentication information and the acceptor authentication information, and storing the specific contents included in the requestor authentication information and the acceptor authentication information as mutually authenticated contents of the requestor and the acceptor. The requestor authentication information includes the specific contents and a signature of the requestor for the specific contents, and the acceptor authentication information includes the specific contents and a signature of the acceptor for the specific contents. The specific contents are selected in the terminal of the requestor displaying contents provided in the social media service and then is transmitted to the terminal of the acceptor.