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  1. The StepOver GmbH Root CA (SORootCAProductive.cer) is necessary for all signature where the Hash-Dialog is enabled.
  2. The StepOver GmbH Software Root (SOSoftwareRoot.cer) is for necessary when the Hash-Dialog is disabled.

Download certificate here: 

Installer for the certificates

The setups of SignAPI, SimpleSigner or eSignatureOffice have an option to install all StepOver certificates to the windows cert store and to set an option inside Adobe to trust the windows cert store. We also offer a small setup for this certificates installation only: 


manual Installation Guidelines for Adobe Reader / Acrobat


Page Tree
rootValidation of signed documents

Download certificate here: