<PackageReference Include="System.Security.Cryptography.Cng" Version="5.0.0-preview.5.20278.1" />

System.Security.Cryptography.CngKeyCreationParameters

public sealed class CngKeyCreationParameters
namespace System.Security.Cryptography { public sealed class CngKeyCreationParameters { public CngExportPolicies? ExportPolicy { get; set; } public CngKeyCreationOptions KeyCreationOptions { get; set; } public CngKeyUsages? KeyUsage { get; set; } public CngPropertyCollection Parameters { get; } public IntPtr ParentWindowHandle { get; set; } public CngProvider Provider { get; set; } public CngUIPolicy UIPolicy { get; set; } public CngKeyCreationParameters(); } }