I wanted to play around with the .NET cryptography classes in the C# interactive console in Visual Studio 2022 (v17.14.16). I tried creating the default instance of the System.Security.Cryptography.RSA class:
> var key = System.Security.Cryptography.RSA.Create();
I’m getting this error in the console:
(1,11): error CS0234: The type or namespace name 'RSA' does not exist in the namespace 'System.Security.Cryptography' (are you missing an assembly reference?)
When I type System.Security.Cryptography. in the interactive console to see what Intellisense suggests, only one type is suggested: CryptographicException; no other types are suggested:
In a .NET 9 web project, typing the same code shows a lot more types:
This leads me to believe I need to load a DLL file, which I can do using the #r directive in the console, but the trouble is, Microsoft says this should exist in netstandard.dll and System.Security.Cryptography.dll, but the project I’m using doesn’t have either of these DLLs in the bin/ directory.
How do I load the RSA class in the C# interactive console in Visual Studio 2022?