<PackageReference Include="System.Security.Cryptography.Cng" Version="5.0.0-rc.1.20451.14" />

System.Security.Cryptography.CngUIProtectionLevels

public enum CngUIProtectionLevels
Specifies the protection level for the key in user interface (UI) prompting scenarios.
namespace System.Security.Cryptography { public enum CngUIProtectionLevels { None = 0, ProtectKey = 1, ForceHighProtection = 2 } }