Delphi ActiveX

Add Private Key and Certificate to a PEM

See more PEM Examples

Demonstrates how to add certificates and private keys to a PEM. 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;
pem: TChilkatPem;
privKey: TPrivateKey;
cert: TChilkatCert;
includeCertChain: Integer;
password: WideString;
extendedAttrs: Integer;
noKeys: Integer;
noCerts: Integer;
noCaCerts: Integer;
encryptAlg: WideString;
pemStr: WideString;

begin
success := 0;

// This example assumes the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

// The Chilkat PEM class was introduced in v9.5.0.49.  
// It requires the bundle to be unlocked, as shown above.
pem := TChilkatPem.Create(Self);

// Add the private key found in alice.key to this PEM.
// 
privKey := TPrivateKey.Create(Self);

success := privKey.LoadAnyFormatFile('qa_data/alice.key','');
if (success <> 1) then
  begin
    Memo1.Lines.Add(privKey.LastErrorText);
    Exit;
  end;

// Add it to the PEM:
success := pem.AddPrivateKey(privKey.ControlInterface);

// Add the certificate found in alice.crt to this PEM.
// 
cert := TChilkatCert.Create(Self);

success := cert.LoadFromFile('qa_data/alice.crt');
if (success <> 1) then
  begin
    Memo1.Lines.Add(cert.LastErrorText);
    Exit;
  end;

// Add it to the PEM:
includeCertChain := 0;
success := pem.AddCert(cert.ControlInterface,includeCertChain);

// Write the PEM containing the private key and certificate.
// The private key will be output in PKCS8 encrypted form.
// Certificates are never encrypted.

// This is the password that will be required to open and access the private key
// from the PEM we're about to write..
password := 'secret';
extendedAttrs := 0;
noKeys := 0;
noCerts := 0;
noCaCerts := 0;
encryptAlg := 'aes128';

pemStr := pem.ToPemEx(extendedAttrs,noKeys,noCerts,noCaCerts,encryptAlg,password);
Memo1.Lines.Add(pemStr);
end;