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If you want to validate a StepOver signature in Adobe Reader/Acrobat you would normally see that the identity of the signer is unknown. This is because a "self-signed" certificate is used for the signature, which is not trusted by Adobe Reader/ Acrobat by default. To change that, you have to install the appropriate Root-Certificate.

Therer are 2 certificates:

  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:


Installation Guidelines for Adobe Reader / Acrobat


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