A list of Windows.Security.Cryptography features unavailable in Metro apps

Hello,
I'm playing with Windows.Security.Cryptography namespace (framework version: 4.5.1, a Metro/Windows Store revision) for last couple of days and I found out that a lot of methods within this namespace throw a System.NotImplementedException. Particularly,
this exception is thrown by Windows.Security.Cryptography.Core.CryptographicEngine.VerifySignatureWithHashInput() and CryptographicKey.Export() and ExportPublicKey() methods.
I wonder if there is any official list of methods that are not implemented in the Metro version of the framework available somewhere?
Thanks in advance,
Ken

I think I may have misread this post - are you saying that these methods throw "Not Implemented" at runtime?
Windows.Security.Cryptography.Core.CryptographicEngine.VerifySignatureWithHashInput()
CryptographicKey.Export()
CryptographicKey.ExportPublicKey()
That doesn't make sense - these are definitely implemented and should run. Can you show code that shows how they throw the exception for you?
Matt Small - Microsoft Escalation Engineer - Forum Moderator
If my reply answers your question, please mark this post as answered.
NOTE: If I ask for code, please provide something that I can drop directly into a project and run (including XAML), or an actual application project. I'm trying to help a lot of people, so I don't have time to figure out weird snippets with undefined
objects and unknown namespaces.

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Hi,
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I have enabled both authentication (Windows and FBA) on default zone, now when I want to open any document library on windows explorer it showing me an error.
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Web client service is running on server.
Desktop Experience feature is also enabled on server
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Hi,
According to your post, my understanding is that you got “Your client does not support opening this list with Windows Explorer” error.
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http://blogs.technet.com/b/asiasupp/archive/2011/06/13/error-message-quot-your-client-does-not-support-opening-this-list-with-windows-explorer-quot-when-you-try-to-quot-open-with-explorer-quot-on-a-sharepoint-document-library-in-office-365-site.aspx
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Jason Guo
TechNet Community Support

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val

Hi Val,
sometimes an answer can be found on the internet by typing the error message from your computer into your favourite search engine.
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see
http://blogs.technet.com/b/asiasupp/archive/2011/06/13/error-message-quot-your-client-does-not-support-opening-this-list-with-windows-explorer-quot-when-you-try-to-quot-open-with-explorer-quot-on-a-sharepoint-document-library-in-office-365-site.aspx
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According to your post, my understanding is that you got “Your client does not support opening this list with Windows Explorer” error.
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Use compatibility mode to check whether it works.
Open IE->Tools->Compatibility View Settings
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In addition, you can also try to enable Basic authentication on the client computer, by setting the BasicAuthLevel registry entry of the following key:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\WebClient\Parameters
For detailed steps, visit the following KB page.
http://support.microsoft.com/kb/841215/en-us
There are some similar threads for your reference.
http://social.msdn.microsoft.com/Forums/en-US/e9a07773-db23-46e9-8d1d-7015cd5aa13b/your-client-does-not-support-opening-this-list-with-windows-explorer?forum=sharepointgeneralprevious
http://blogs.technet.com/b/asiasupp/archive/2011/06/13/error-message-quot-your-client-does-not-support-opening-this-list-with-windows-explorer-quot-when-you-try-to-quot-open-with-explorer-quot-on-a-sharepoint-document-library-in-office-365-site.aspx
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I am looking for a suite method :)

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======================================================================
Log generated by Microsoft Platform Ready Test Tool - Version 4.1.0.0 | Signed: Tuesday, March 26, 2013
======================================================================
Test name: PPSS 3.23 Gold
Test date: 05/01/2013 13:11:54
Tested on: Virtual Machine on Microsoft Windows Server 2012 Hyper-V
Test for: Windows Server 2012
======================================================================
Test case/Verification: 11.1.1 - Check if application installed binaries
======================================================================
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======================================================================
Result: No binaries were detected as installed.
05/01/2013 13:11:54 ::
======================================================================
05/01/2013 13:11:54 :: Note: The files below were excluded from this test
======================================================================
C:\Windows\Installer\cce9a8.msi
======================================================================
Test case/Verification: 11.1.1 - Check if application installed binaries
05/01/2013 13:11:54 End of Log.
======================================================================
QUESTIONS:
How can we resolve these issues?
Is passing these 2 failures mandatory in order to get certified?
Can we file a waiver for these?
Thanks,
Neeha.

Update: We were not giving the right installation directory and corrected that.
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Can we submit a waiver for this?
=====================================================================
Log generated by Microsoft Platform Ready Test Tool - Version 4.1.0.0 | Signed: Tuesday, March 26, 2013
======================================================================
Test name: PPSS 3.23 Gold Certification
Test date: 05/06/2013 12:56:03
Tested on: Virtual Machine on Microsoft Windows Server 2012 Hyper-V
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======================================================================
Test case/Verification: 11.1.1 - Check if application installed binaries
======================================================================
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05/06/2013 12:56:03 ::
======================================================================
05/06/2013 12:56:03 :: Note: The files below were excluded from this test
======================================================================
C:\Windows\Installer\1ab2aa62.msi
======================================================================
Test case/Verification: 11.1.1 - Check if application installed binaries
05/06/2013 12:56:03 End of Log.
======================================================================
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======================================================================
Log generated by Microsoft Platform Ready Test Tool - Version 4.1.0.0 | Signed: Tuesday, March 26, 2013
======================================================================
Test name: PPSS 3.23 Gold Certification
Test date: 05/06/2013 12:56:00
Tested on: Virtual Machine on Microsoft Windows Server 2012 Hyper-V
Test for: Windows Server 2012
======================================================================
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======================================================================
Authenticode sign all setup files and binaries installed by the application.
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======================================================================
05/06/2013 12:56:00 :: Binary list
No binary found for verification.
05/06/2013 12:56:00 ::
List of installers that failed signature verification:
C:\ppss_323_installer\install_PPSS_3_23_0\setup.exe
======================================================================
Note: The files below were excluded from this test
======================================================================
C:\Windows\Installer\1ab2aa62.msi
======================================================================
No executable files were detected as installed during test.
Microsoft Platform Ready Test Tool requires that your application physically installs executable files on this Computer.
======================================================================
Test case/Verification: TC2.3 - All binaries and installers must be Authenticode signed
05/06/2013 12:56:03 End of Log.
======================================================================
Any help of guidance in addressing these 2 issues will be great.
Thanks,
Neeha.

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Trevor Seward
Follow or contact me at...
&nbsp&nbsp
This post is my own opinion and does not necessarily reflect the opinion or view of Microsoft, its employees, or other MVPs.

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http://sharepoint.stackexchange.com/questions/15098/your-client-does-not-support-opening-this-list-with-windows-explorer
--Cheers

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A list of Windows.Security.Cryptography features unavailable in Metro apps

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