[DllImport("Crypt32.dll", SetLastError = true)]
public static extern bool CryptMsgSignCTL(
uint dwMsgEncodingType,
IntPtr pbCtlContent,
uint cbCtlContent,
IntPtr pSignerCertInfo,
uint dwSignerIndex,
IntPtr rgSignerCert,
IntPtr rgCrl,
IntPtr pbEncoded,
ref uint pcbEncoded
);