Delphi ActiveX

ZATCA Load Certificate and Private Key from PEM Files

See more ZATCA Examples

Demonstrates how to load a certificate and private key from a pair of PEM files. Delphi ActiveX

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
success: Integer;
cert: TChilkatCert;
privKey: TPrivateKey;

begin
success := 0;

// The LoadFromFile method will automatically detect the file format..
cert := TChilkatCert.Create(Self);
success := cert.LoadFromFile('qa_data/zatca/cert.pem');
if (success <> 1) then
  begin
    Memo1.Lines.Add(cert.LastErrorText);
    Exit;
  end;

Memo1.Lines.Add(cert.SubjectCN);

// Load the private key.
privKey := TPrivateKey.Create(Self);
success := privKey.LoadPemFile('qa_data/zatca/ec-secp256k1-priv-key.pem');
if (success <> 1) then
  begin
    Memo1.Lines.Add(privKey.LastErrorText);
    Exit;
  end;

Memo1.Lines.Add('Key Type: ' + privKey.KeyType);

// Associate the private key with the certificate.
success := cert.SetPrivateKey(privKey.ControlInterface);
if (success <> 1) then
  begin
    Memo1.Lines.Add(cert.LastErrorText);
    Exit;
  end;

Memo1.Lines.Add('Success.');
end;