<PackageReference Include="NETStandard.Library" Version="2.0.2" />

System.Security.Cryptography.CspProviderFlags

public enum CspProviderFlags
namespace System.Security.Cryptography { public enum CspProviderFlags { CreateEphemeralKey = 128, NoFlags = 0, NoPrompt = 64, UseArchivableKey = 16, UseDefaultKeyContainer = 2, UseExistingKey = 8, UseMachineKeyStore = 1, UseNonExportableKey = 4, UseUserProtectedKey = 32 } }