CryptImportPublicKeyInfoEx

function CryptImportPublicKeyInfoEx(

  hCryptProv: HCRYPTPROV;

  dwCertEncodingType: DWORD;

  pInfo: PCERT_PUBLIC_KEY_INFO;

  aiKeyAlg: ALG_ID;

  dwFlags: DWORD;

  pvAuxInfo: Pointer;

  var phKey: HCRYPTKEY

):BOOL;