internal static extern ErrorCode NCryptEnumKeys(SafeNCryptProviderHandle hProvider,
[In, MarshalAs(UnmanagedType.LPWStr)] string pszScope,
[Out] out SafeNCryptBuffer ppKeyName,
[In, Out] ref IntPtr ppEnumState,
CngKeyOpenOptions dwFlags);
internal static extern ErrorCode NCryptEnumStorageProviders([Out] out uint pdwProviderCount,
[Out] out SafeNCryptBuffer ppProviderList,
int dwFlags);
internal static extern ErrorCode NCryptEnumAlgorithms(SafeNCryptProviderHandle hProvider,
NCryptAlgorithmOperations dwAlgOperations,
[Out] out uint pdwAlgCount,
[Out] out SafeNCryptBuffer ppAlgList,
int dwFlags);