Configure signature and timestamp in Adobe Acrobat Reader
Timestamp is a digitally signed time and date record of an event providing long-term assurance for document, file or signature validity. This guide includes instructions to configure your signature and timestamp in Adobe Acrobat Reader.
To check installed certificates in Adobe Acrobat Reader:
Open Adobe Acrobat Reader.
In the menu bar, navigate to Acrobat Reader > Preferences > Signatures.
Under Identities and Trusted Certificates, select More.
Select Digital IDs.
Select the desired certificate from the list to check.
To configure a timestamp server in Adobe Acrobat Reader:
Open Adobe Acrobat Reader.
In the menu bar, navigate to Acrobat Reader > Preferences > Signatures.
Under Document Timestamping, select More.
Select Time Stamp Servers > New.
Enter name and server URL. (for example: http://ts.quovadisglobal.com/ch for Swiss/ZertES qualified remote signatures).
Specify whether the server requires a username and password, then select OK.
To set a default timestamp server in Adobe Acrobat Reader:
Open Adobe Acrobat Reader.
In the menu bar, navigate to Acrobat Reader > Preferences > Signatures.
Under Document Timestamping, select More.
Select Time Stamp Servers.
Select the timestamp server you would like to set as default, then select Set Default > OK.
To configure long term signature validation in Switzerland:
Open Adobe Acrobat Reader.
In the menu bar, navigate to Acrobat Reader > Preferences > Signatures.
Under Creation & Appearance, from the Default Signing Format dropdown, select CAdES-Equivalent.
Clear the Include signature’s revocation status checkbox.
Select OK, then select OK again to save the configuration.
To sign document with LTV in Switzerland, follow the steps below every time you apply a signature:
Apply the signature using a ZertES certificate.
Open the signed document in Adobe Acrobat Reader.
Select Signature Panel.
In the signature panel, right click on the signature.
Select Add Verification Information > OK. This adds DSS dictionary and validation information according to ETSI 319 142.