The Certificate Viewer dialog box provides user attributes and other information about a certificate. When other users import your certificate, they may ask you to check your fingerprint information against the information they receive with the certificate. (The fingerprint refers to the MD5 digest and SHA1 digest values.) You can check certificate information for your own digital ID files or for ID files that you import.

The Certificate Viewer dialog box provides the validation period in which the certificate is valid, the certificate’s intended usage, and certificate data such as a unique serial number and public key method. You can also check if the certificate authority has revoked the certificate. Certificates are typically revoked when an employee leaves the company or when security is compromised in some way.