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Acrobat + Microsoft Information Protection (MIP) - Double Key Encryption (DKE)

New Here ,
Jun 12, 2023 Jun 12, 2023

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We just applied Microsoft Double Key Encryption (DKE), with a corresponding Sensitivity label. It works fine with Word and the MS Unified Labeling Client / Viewer. However, when trying to open a DKE-labelled file with Adobe Acrobat Pro, we get the error attached ("Double Key Consumption is Disabled").

No documentation whatsoever anywhere about this message. Google says "no results found".

 

By reverse-engineering (text search) the binaries of Acrobat and the libraries of the plug-ins (mip_protection_sdk.dll, mip_core.dll, mip_upe_sdk.dll), it seems to me that the libraries themselves support double key encryption. The basic Microsoft Dotnet API seems to have a "flighting" feature to enable it (https://learn.microsoft.com/it-it/dotnet/api/microsoft.informationprotection.flightingfeature).

The question is if Adobe Acrobat has a kind of flag somewhere (Windows registry? maybe at Computer\HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Adobe\Adobe Acrobat\DC\FeatureLockDown) to enable this.

Any ideas anyone?

Many thanks in advance!

Kind regards

Thanos S.

 

Could you please advise how we can enable the possibility to view DKE-labelled files in Acrobat? Thanks

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Adobe Employee ,
Jun 13, 2023 Jun 13, 2023

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Hi @Athanassios25384468b2r5 ,

 

Moving this thread to the Acrobat community for further assistance.

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New Here ,
Jul 19, 2023 Jul 19, 2023

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Hi! I'm very keen on hearing about DKE integration with Adobe. Where can I follow the discussion and latest updates from the Adobe side?

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New Here ,
Jul 20, 2023 Jul 20, 2023

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I haven't heard anything new. Adobe Enterprise Support reported

quote

Hi Admin,

Greetings from the Adobe Enterprise Support team!

As informed after checking with product experts, we only support MIP. Currently DKE is not supported by Acrobat / Reader

 

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New Here ,
Nov 24, 2023 Nov 24, 2023

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Hi, 

are there any news about this? 
Is DKE still not supported? 

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New Here ,
Oct 30, 2024 Oct 30, 2024

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found this one in the documentation... but it doesnt work for me.. 😞
https://helpx.adobe.com/enterprise/kb/mpip-support-acrobat.html#setup-requirements-double-key-encrpy... 

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Adobe Employee ,
Nov 01, 2024 Nov 01, 2024

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Hi @ivo_6417,

 

Hope you are doing well. Thanks for writing in!

 

When you mention not working for you, any specific error you see when trying to use MPIP? 

It would help us understand the issue better and assist with proper troubleshooting steps.

 

Can you ensure that the Double Key Encryption is set up for the user using the steps mentioned here: Set up Double Key Encryption (DKE) | Microsoft Learn?

 

Look forward to hearing from you.


-Souvik

Community & Social Consultant | Document Cloud | Adobe

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