internal unsafe static extern int InitializeSecurityContextW(ref SSPIHandle credentialHandle, [In] void *inContextPtr, [In] string targetName, [In] ContextFlags inFlags, [In] int reservedI, [In] Endianness endianness, SecurityBufferDescriptor *inputBuffer, [In] int reservedII, [In, Out] void *newContextPtr, [In, Out] SecurityBufferDescriptor outputBuffer, [In, Out] ref ContextFlags attributes, out long timeStamp);
internal static unsafe extern int DecryptMessage([In] ref SSPIHandle contextHandle, [In, Out] SecurityBufferDescriptor inputOutput, [In] uint sequenceNumber, uint *qualityOfProtection);
internal static extern int EncryptMessage(ref SSPIHandle contextHandle, [In] uint qualityOfProtection, [In, Out] SecurityBufferDescriptor inputOutput, [In] uint sequenceNumber);
internal unsafe static extern int AcceptSecurityContext(ref SSPIHandle credentialHandle, [In] void *inContextPtr, [In] SecurityBufferDescriptor inputBuffer, [In] ContextFlags inFlags, [In] Endianness endianness, ref SSPIHandle contextPtr, [In, Out] SecurityBufferDescriptor outputBuffer, [In, Out] ref ContextFlags attributes, out long timeStamp);
