Show Timestamp in Signature

Specifies whether the timestamp time should be displayed in the signature appearance. By default, the signature appearance displays the signing time from the signer's computer clock. To display the timestamp server time in a signature appearance: Go to HKLM\SOFTWARE\WOW6432Node\Policies\Adobe\(product)\(version)\FeatureLockDown\cSecurity\cPubSec\ Create the new DWORD bUseTSAsSigningTime and set it to 1. Go to HKCU\Software\Adobe\(product)\(version)\Security\cASPKI\cASPKI\cSign. Set bReqSigPropRetrieval to 1. Create the preference if it does not exist. Verify the computer time does not vary from the signature validation revocation check response time specified by HKCU\Software\Adobe\(product)\(version)\Security\cPubSec\ iMaxClockSkew . The default is 65 minutes. iMaxClockSkew allows admins to account for a network delay, time synchronization issues, and so on without invalidation signatures. Possible values include: 0: Don't show the timestamp time. 1: Do show the timestamp time.