Time Stamping
Strong evidence for data authentication
  Adobe Acrobat Time Stamp CA certificate
 
How to import the DigiStamp CA certificate?
  DigiStamp operates several time stamp server locations to ensure reliable availability to our customers. Also, the time stamp servers periodically change their "time stamp keys" to improve security. All the time stamps are verified using a singe public key certificate via a standard technique called certificate chaining to a single, imported certificate. You will need to import the DigiStamp CA certificate into your Acrobat software. There is background information about DigiStamp public key certificates here.
   
  Here is an example of when you need to take another step to accept the DigiStamp public key certificate:
   
 
   
  Here is the method for importing the DigiStamp CA certificate:
   
 
   
 
   
  "Browse..." to the certificate file that you download to your computer from the DigiStamp web site:

  The DigiStamp CA certificate is here: https://support.digistamp.com/pubkeys/dgsca80.cer
  There is background information about DigiStamp public key certificates here.
   
 
   
  Then, click "IMPORT".
 
     
 
 
 
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