Patent ID: 9397840
Filing Date: 2016-07-19
CPC Classification: H04L

Claim Text:
1. A method for automatically applying for a digital certificate, comprising: notifying, by a digital certificate applying device, a digital certificate issue device of digital certificate generation schemes supported by the digital certificate applying device, and if the digital certificate applying device determines that a digital certificate issued by the digital certificate issue device has been possessed, then the digital certificate applying device further notifying the digital certificate issue device of information of the digital certificate possessed by the digital certificate applying device, or if the digital certificate applying device determines that no digital certificate issued by the digital certificate issue device has been possessed, then the digital certificate applying device further notifying the digital certificate issue device of certificate information to be included in an applied new digital certificate; selecting, by the digital certificate issue device, one of the digital certificate generation schemes supported by the digital certificate applying device and notifying the digital certificate applying device of the selected digital certificate generation scheme, and generating, by the digital certificate issue device, information of the new digital certificate according to the selected digital certificate generation scheme and the certificate information notified by the digital certificate applying device and notifying the digital certificate applying device of the information of the new digital certificate upon determining that the digital certificate applying device needs to apply for the new digital certificate, or notifying the digital certificate applying device of invalid digital certificate information upon determining that the digital certificate applying device does not need to apply for any new digital certificate; and determining, by the digital certificate applying device, a digital certificate for use according to the notification from the digital certificate issue device.