(Delphi ActiveX) Import a Certificate (.cer file) into a Windows Certificate Store

See more Certificates Examples

Chilkat for Delphi Downloads Chilkat ActiveX DLL for Delphi Chilkat non-ActiveX DLL for Delphi * The examples here use the ActiveX DLL.

uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Chilkat_TLB;

...

procedure TForm1.Button1Click(Sender: TObject);
var
cert: TChilkatCert;
success: Integer;
certStoreCU: TChilkatCertStore;
readOnlyFlag: Integer;

begin
cert := TChilkatCert.Create(Self);

success := cert.LoadFromFile('qa_data/certs/example.cer');
if (success = 0) then
  begin
    Memo1.Lines.Add(cert.LastErrorText);
    Exit;
  end;

certStoreCU := TChilkatCertStore.Create(Self);
readOnlyFlag := 0;

// "CurrentUser" and "My" are the exact keywords to select your user account's certificate store.
success := certStoreCU.OpenWindowsStore('CurrentUser','My',readOnlyFlag);
if (success = 0) then
  begin
    Memo1.Lines.Add('Failed to open the CurrentUser/My certificate store for read/write.');
    Exit;
  end;

// Import the certificate into the CurrentUser/My certificate store.
success := certStoreCU.AddCertificate(cert.ControlInterface);
if (success = 0) then
  begin
    Memo1.Lines.Add(certStoreCU.LastErrorText);
    Exit;
  end;

Memo1.Lines.Add('Imported ' + cert.SubjectCN);
Memo1.Lines.Add('Success.');
end;