发明名称 DOCUMENT AUTHENTICATION USING ELECTRONIC SIGNATURE
摘要 Embodiments of authenticating an electronic document are disclosed. A document authentication system is operatively connected with a professional system, a license management system and a certification authority system, for authenticating an electronic document of a client response to a request from a client system. An authentication unit included in the document authentication system receives the electronic document from the client system for review and seal thereof, transmits the electronic document to receive the electronic document with the electronic signature implemented and transmits the electronic signature to the license management system to verify license validity of the professional based on the electronic signature. Further, the authentication unit transmits the electronic document to the client system with the electronic signature including a seal imprint image of the professional if the license of the professional is valid.
申请公布号 US2010023758(A1) 申请公布日期 2010.01.28
申请号 US20090506988 申请日期 2009.07.21
申请人 HAN SHOCKY;KU PON CHUN 发明人 HAN SHOCKY;KU PON CHUN
分类号 H04L9/32;G06F3/12;H04L9/30 主分类号 H04L9/32
代理机构 代理人
主权项
地址