Patent ID: 8132237

Claim:
An electronic document repository system connected to a user terminal over a network for guaranteeing authenticity of an electronic document and issuing an authenticity certificate, the system comprising: an authentication module for performing user authentication through a login process and controlling a system access right depending on a user when the user connects to the electronic document repository system; a registration module for checking an electronic document information package sent by the user, producing metadata, appending authentication information to the electronic document information package, and registering the resultant electronic document in a computer database; a reading module for producing a reading information package according to a user's reading right, performing security processing on the reading information package, and transmitting the resultant reading information package to the user upon receipt of a request from the user to read the electronic document; an issuing module for producing an issuing information package according to a user's issue right, performing security processing on the issuing information package, and transmitting the resultant issuing information package to the user upon receipt of a request from the user to issue the electronic document; and a certification module for issuing a certificate of the electronic document to the user or verifying the issued certificate.