internal static extern CSecurityStatus AcceptSecurityContext_2( ref CRawSspiHandle credHandle, ref CRawSspiHandle oldContextHandle, IntPtr inputBuffer, CContextAttrib requestedAttribs, CSecureBufferDataRep dataRep, ref CRawSspiHandle newContextHandle, IntPtr outputBuffer, ref CContextAttrib outputAttribs, ref CTimeStamp expiry );
internal static extern CSecurityStatus InitializeSecurityContext_2( ref CRawSspiHandle credentialHandle, ref CRawSspiHandle previousHandle, string serverPrincipleName, CContextAttrib requiredAttribs, int reserved1, CSecureBufferDataRep dataRep, IntPtr inputBuffer, int reserved2, ref CRawSspiHandle newContextHandle, IntPtr outputBuffer, ref CContextAttrib contextAttribs, ref CTimeStamp expiry );