Method and system for binding digital certificate of system users and digital certificate authentication center

• Main Authors: GUO JIHONG, TAO JIANYU, REN YALUN, ZHANG HONG, GUO CHAOQUN, FENG FENG, ZHU ZHONGMING
• Format: Patent
• Language: Chinese; English
• Published: 16.06.2010
• Subjects: ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION

The invention provides a method and a system for binding a digital certificate of system users and a digital certificate authentication center. The method comprises the following steps of: sending password input hint information to a plurality of system users respectively after receiving a digital certificate rebinding request which is sent by one of the plurality of the system user and carries user information; receiving passwords returned by the system user according to password input prompting messages respectively, and authenticating a plurality of the received passwords; and if the authentication is successful, generating the digital certificate bound with the user information, and returning the digital certificate to the system user which sends the digital certificate rebinding request. When the digital certificate rebinding request sent by the system is received at the digital certificate authentication center, only when correct passwords re-returned by all system users are received, the method binds a