2.16.10 Can't open encrypted DCP

Anything and everything to do with DCP-o-matic.
nimes
Posts: 25
Joined: Tue Jan 05, 2016 4:20 am

2.16.10 Can't open encrypted DCP

Post by nimes »

Both the DCP Player and DCP encoder of version 2.16.10 can't open the encrypted DCP encrypted by its own encoder. An error message opens while opening those encrypted DCPs.
Carsten
Posts: 2307
Joined: Tue Apr 15, 2014 9:11 pm
Location: Germany

Re: 2.16.10 Can't open encrypted DCP

Post by Carsten »

I don't see that in 2.16.9 - just created a short encrypted SMPTE DCP, created a discrete (file) DKDM for DCP-o-matic, and was able to play that DCP in player after I assigned that DKDM. Will now try 2.16.10...
Carsten
Posts: 2307
Joined: Tue Apr 15, 2014 9:11 pm
Location: Germany

Re: 2.16.10 Can't open encrypted DCP

Post by Carsten »

Hmm, interesting, both main and player 2.16.10 crash hard right after start on my Mac OS Sierra system. 2.16.9 is okay. Now trying 2.16.11...
Same with 2.16.11. 2.16.9 still okay. Now with trashed prefs...


2.16.10 and 2.16.11 start ok after I trashed prefs. However, with trashed prefs, I can not test decryption of the encrypted DCP created with 2.16.9.

Will create a new one now with fresh prefs.


Okay - it works with 2.16.10 with fresh prefs for me. But maybe there is some prefs inconsistency that causes the crashes for me, and prevents decryption for you. Can you save/archive your prefs folder and start from scratch for a test? You may later need to save/restore your existing encryption/decryption chain if you want to keep your cert chain consistent with your earlier prefs/chain.

I usually just ZIP the prefs folder and add some meaningful name to it.
Last edited by Carsten on Sat May 21, 2022 3:45 pm, edited 2 times in total.
nimes
Posts: 25
Joined: Tue Jan 05, 2016 4:20 am

Re: 2.16.10 Can't open encrypted DCP

Post by nimes »

I'm on Windows 10, DoM 2.16.10 runs properly except it gives an error while adding or playing encrypted DCPs.
Carsten
Posts: 2307
Joined: Tue Apr 15, 2014 9:11 pm
Location: Germany

Re: 2.16.10 Can't open encrypted DCP

Post by Carsten »

Maybe Carl needs to look into some prefs issue between 2.16.9 and 2.16.10

What does the error msg say?
nimes
Posts: 25
Joined: Tue Jan 05, 2016 4:20 am

Re: 2.16.10 Can't open encrypted DCP

Post by nimes »

Right now I've returned back to 2.16.8 and is running perfectly. Won't be taking risk right now by trashing pref, because I've yet to generate KDM's for the film to be released this Friday. Thanks for the support Carsten, will be testing it on the next system.
nimes
Posts: 25
Joined: Tue Jan 05, 2016 4:20 am

Re: 2.16.10 Can't open encrypted DCP

Post by nimes »

This is the error message after trying to play or import encrypted DCP in 2.16.10
Attachments
image_2022-05-21_214446353.png
image_2022-05-21_214446353.png (9 KiB) Viewed 697 times
carl
Site Admin
Posts: 1901
Joined: Thu Nov 14, 2013 2:53 pm

Re: 2.16.10 Can't open encrypted DCP

Post by carl »

I'm seeing this here now, thanks - I'll look into it. Here's a bug report.
carl
Site Admin
Posts: 1901
Joined: Thu Nov 14, 2013 2:53 pm

Re: 2.16.10 Can't open encrypted DCP

Post by carl »

A fix is in the works; I just need to run the tests and then build - should be uploaded within the next 24 hours or so.
carl
Site Admin
Posts: 1901
Joined: Thu Nov 14, 2013 2:53 pm

Re: 2.16.10 Can't open encrypted DCP

Post by carl »

2.16.10 and 2.16.11 start ok after I trashed prefs. However, with trashed prefs, I can not test decryption of the encrypted DCP created with 2.16.9.
Did you choose OpenGL mode again after trashing the prefs? Maybe I broke the OpenGL backend?
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