CryptMsgVerifyCountersignatureEncodedEx

function CryptMsgVerifyCountersignatureEncodedEx(

  hCryptProv: HCRYPTPROV;

  dwEncodingType: DWORD;

  pbSignerInfo: PBYTE;

  cbSignerInfo: DWORD;

  pbSignerInfoCountersignature: PBYTE;

  cbSignerInfoCountersignature: DWORD;

  dwSignerType: DWORD;

  pvSigner: Pointer;

  dwFlags: DWORD;

  pvReserved: Pointer

):BOOL;