<PackageReference Include="System.Security.Cryptography.Cng" Version="5.0.0" />

System.Security.Cryptography.CngUIProtectionLevels

public enum CngUIProtectionLevels
Specifies the protection level for the key in user interface (UI) prompting scenarios.
ForceHighProtection = 2

A UI prompt is displayed every time the key is accessed.

None = 0

No UI prompt is displayed when the key is accessed.

ProtectKey = 1

A UI prompt is displayed the first time the key is accessed in a process.