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Why can't I load System.Security.Cryptography.ProtectedData when it's on the same directory as the executable


By : Jim Davis
Date : October 17 2020, 08:10 PM
hope this fix your issue This API is not available "in" .NET Standard 2.0, but it is available "for" .NET Standard 2.0 as a "Platform Extension" which means that there is a NuGet package you have to add to get support for it. When you publish ensure that this is getting packaged.
code :


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System.Security.Cryptography.ProtectedData.Unprotect is throwing a Invalid key error in certain circumstances


By : user3263768
Date : March 29 2020, 07:55 AM
like below fixes the issue The Data protection API uses a key generated for each user. It is a symmetric encryption scheme, which means that data encrypted for a user cannot be decrypted by another user. It cannot be decrypted by the same user on a different machine either.
That leaves you with two options :

Can't find `DataProtectionScope` and `ProtectedData` classes in System.Security.Cryptography


By : Christian Lobach
Date : March 29 2020, 07:55 AM
it should still fix some issue This might be a slap in your face because you've probably tried that (and you haven't, you might deserve one). What happens if you reinstall the whole IDE? And I meant really the whole thing. Remove the framwork, the VS, remove the files, go paranoid and clean up the trash can, switch to a different installation directory etc. Does the problem still remains?
I know it doesn't explain why it happened but at this stage I'm guessing you're mostly interested in how to kill the problem.

Could not load file or assembly 'System.Security.Cryptography.Algorithms, Version = 4.1.0.0


By : taha
Date : March 29 2020, 07:55 AM
fixed the issue. Will look into that further In addition to having a .NET Standard library you also have an application (like a console application) or perhaps a test project. The platform for the application determines what specific assembly referenced by your .NET Standard library to load.
So your library references System.Security.Cryptography.Algorithms 4.3.0 however the actual version of the assembly to load for your platform may be 4.1.0 (that is the version you get on .NET Framework 4.6.1).
code :
<?xml version="1.0" encoding="utf-8" ?>
<configuration>
  <startup>
    <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.6.2" />
  </startup>

  <runtime>
    <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
      <dependentAssembly>
        <assemblyIdentity name="System.Runtime" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
        <bindingRedirect oldVersion="0.0.0.0-4.3.0.0" newVersion="4.1.1.0" />
      </dependentAssembly>
      <dependentAssembly>
        <assemblyIdentity name="System.Security.Cryptography.Algorithms" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
        <bindingRedirect oldVersion="0.0.0.0-4.3.0.0" newVersion="4.1.0.0" />
      </dependentAssembly>
    </assemblyBinding>
  </runtime>
</configuration>

Could not load type 'System.Security.Cryptography.SHA512' from assembly


By : Joshua Spiva
Date : March 29 2020, 07:55 AM
I hope this helps you . Be sure that the version of .NET is the same between the unit test project and the other project(s) in the solution. You might also try creating the unit test project when you create your first project for the solution.

.NET Standard 2.0 and System.Security.Cryptography.ProtectedData.Protect


By : Camille
Date : March 29 2020, 07:55 AM
should help you out This API is not available "in" .NET Standard 2.0, but it is available "for" .NET Standard 2.0 as a "Platform Extension" which means that there is a NuGet package you have to add to get support for it.
If you add a reference to the System.Security.Cryptography.ProtectedData NuGet package, you can develop a .NET Standard library that uses these APIs.
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