CryptSignCertificate

function CryptSignCertificate(

  hCryptProv: HCRYPTPROV;

  dwKeySpec: DWORD;

  dwCertEncodingType: DWORD;

  pbEncodedToBeSigned: LPBYTE;

  cbEncodedToBeSigned: DWORD;

  pSignatureAlgorithm: PCRYPT_ALGORITHM_IDENTIFIER;

  pvHashAuxInfo: Pointer;

  pbSignature: LPBYTE;

  var pcbSignature: DWORD

):BOOL;