Pascal (Lazarus/Delphi)

Load PKCS12 / PFX and Access Contents

See more PFX/P12 Examples

Loads a PKCS12 / PFX file and iterates over the contents which include private keys and certificates. Pascal (Lazarus/Delphi)

program ChilkatDemo;

// Demonstrates using the Chilkat Pascal wrapper via the C bridge DLL.
// Builds as a console application under Lazarus (FPC) or Delphi.

{$IFDEF FPC}
  {$MODE DELPHI}
{$ENDIF}
{$APPTYPE CONSOLE}

uses
  {$IFDEF UNIX}
  cthreads,
  {$ENDIF}
  SysUtils,
  CkDllLoader,
  Chilkat.Pfx,
  Chilkat.PrivateKey,
  Chilkat.Cert;

// ---------------------------------------------------------------------------

procedure RunDemo;
var
  success: Boolean;
  pfx: TPfx;
  numPrivateKeys: Integer;
  privKey: TPrivateKey;
  i: Integer;
  cert: TCert;
  numCerts: Integer;

begin
  success := False;

  pfx := TPfx.Create;

  //  Load the PKCS12 from a file
  success := pfx.LoadPfxFile('/someDir/my.p12','pfxFilePassword');
  if (success = False) then
    begin
      WriteLn(pfx.LastErrorText);
      Exit;
    end;

  numPrivateKeys := pfx.NumPrivateKeys;

  privKey := TPrivateKey.Create;

  WriteLn('Private Keys:');

  i := 0;
  while i < numPrivateKeys do
    begin
      pfx.PrivateKeyAt(i,privKey);

      //  Do something with the private key ...

      i := i + 1;
    end;

  cert := TCert.Create;

  numCerts := pfx.NumCerts;

  WriteLn('Certs:');
  i := 0;
  while i < numCerts do
    begin
      pfx.CertAt(i,cert);
      WriteLn(cert.SubjectDN);

      //  If the certificate has a private key (one of the private keys within the PFX)
      //  then it can also be obtained via the certificate object:
      if (cert.HasPrivateKey() = True) then
        begin

          WriteLn('Has private key!');

          success := cert.GetPrivateKey(privKey);
          //  ...

        end;

      i := i + 1;
    end;



  pfx.Free;
  privKey.Free;
  cert.Free;

end;

// ---------------------------------------------------------------------------

begin

  try
    RunDemo;
  except
    on E: Exception do
      WriteLn('Unhandled exception: ', E.ClassName, ': ', E.Message);
  end;

  WriteLn;
  {$IFDEF MSWINDOWS}
  WriteLn('Press Enter to exit...');
  ReadLn;
  {$ENDIF}
end.