[DllImport("Crypt32.dll", SetLastError=true)]
  public static extern Boolean CryptVerifyDetachedMessageSignature (
    ref CRYPT_VERIFY_MESSAGE_PARA pVerifyPara,
    Int32 dwSignerIndex,
    Byte[] pbDetachedSignBlob,
    Int32 cbDetachedSignBlob,
    Int32  cToBeSigned,
    Byte[][] rgpbToBeSigned,
    Int32[] rgcbToBeSigned,
    IntPtr ppSignerCert
  );

BOOL WINAPI CryptVerifyDetachedMessageSignature(
  __in       PCRYPT_VERIFY_MESSAGE_PARA pVerifyPara,
  __in       DWORD dwSignerIndex,
  __in       const BYTE *pbDetachedSignBlob,
  __in       DWORD cbDetachedSignBlob,
  __in       DWORD cToBeSigned,
  __in       const BYTE *rgpbToBeSigned[],
  __in       DWORD rgcbToBeSigned[],
  __out_opt  PCCERT_CONTEXT *ppSignerCert
);