Digital Signatures

Error: "At least one signature is invalid" | Adobe Acrobat Reader DC
When opening documents downloaded from Docusign, Adobe Acrobat Reader DC displays the error "At least one signature is invalid". We can assure you that the signa...
Standards-Based Signatures - The Digital ID used to Certify/Ubiquitize/ Sign this document in Demo
Acrobat security message: The Digital ID used to Certify/Ubiquitize/ Sign this document has been issued for Adobe's internal test purposes only. Hence the identit...
What is a digital ID?
Digital IDs, also known as digital certificates, are electronic documents that use a digital signature to bind together a public key with an identity—this informa...
Standards-Based Signatures Combined PDF Digital Signature Missing
Read this article if you see an error message stating, "Digital Signature missing in Adobe Signature Panel."
How to enable Sign with CoSign right-click menu option in Internet Explorer
Read this article to learn how to enable the "Sign with CoSign" right-click menu extension within Internet Explorer from OmniSign.
How to download the Root Certificate and CRL
Instructions for downloading Signature Appliance root certificate and CRL
Standards-Based Signatures - At Least One Signature has Problems
Completed PDF has yellow warning: At least one signature has problems