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Author Topic: Which Certificate To Use In DCP-O-Matic? Jim Cassedy Phenomenal Film Handler Posts: 1661 From: San Francisco, CA Registered: Dec 2006 posted 01-29-2016 08:28 PM                     I rarely need to make KDM's, but I've got to generate awholebunch soon. I've already made a KDM for the theater in question once before, and I have two certificate files stored on my computer for the auditorium in question. The file names are: #1: DCP-2000-XXXYYY-ZZ.chain.sha256.pem #2: DCP-2000-XXXYYY-ZZ.cert.sha256.pem I can't remember which one I used last time. I'm guessing #2 is the one I should use? I just wanted to check before I get started on the project. I might have asked this question a long time ago, but I searched & can't seem to find the post.  |  IP: Logged Michael Putlack Expert Film Handler Posts: 187 From: Fort Collins, Colorado Registered: Sep 2011 posted 01-29-2016 09:58 PM                        If you're not sure, can't you just make two keys and have them ingest both?  |  IP: Logged Carsten Kurz Film God Posts: 4340 From: Cologne, NRW, Germany Registered: Aug 2009 posted 01-30-2016 05:38 AM                     #2 is sufficient. It contains only the device certificate, not the whole certificate chain. The chain-file is used by professional software tools to make sure your device/manufacturer is DCI compliant (the certificate chain will allow these tools to follow the certificate chain up to the manufacturer and certification authority) When you create your own KDMs, the plain device certificate will do. Note DCP-o-matic will download the necessary certificate for Dolby/Doremi servers when you supply it with E-SN or serial number (from the new combined Dolby-Doremi certificate repository in recent versions). - Carsten  |  IP: Logged

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