There are several types of digital certificates:

1.UKey certificate

Digital certificate in X.509 format stored in USBKey (also known as U shield). The key of the certificate is protected by the hardware password module in the U shield, which can generally be used as an institution certificate and a post certificate. (as shown in the above picture)

Step 2 hold a pass

Digital certificate in X.509 format stored in mobile devices (mobile phones, PADs). The key of the certificate is protected by the software password module in the mobile device, and can generally be used as a personal certificate.

3. Cloud certificate

A digital certificate in X.509 format stored in a cloud device (cloud cipher machine). The key of the certificate is protected by the hardware password module in the cloud server, which can be used as institution certificate, post certificate and personal certificate.

4.SSL certificate

SSL certificate, also known as server SSL certificate, is a digital certificate that abides by SSL protocol and is issued after verifying the identity of the server. Installing SSL certificate on the website server can realize the dual functions of website authentication and data encryption transmission.