Pascal (Lazarus/Delphi)

ScMinidriver - Import a Certificate and Private Key to a Smart Card or USB Token

See more ScMinidriver Examples

Demonstrates how to import a certificate and its private key to a key container on a smart card or USB token.

Note: This functionality was introduced in Chilkat v9.5.0.87.

Note: The ScMinidriver functionality is for Windows-only because ScMinidriver DLLs only exist on Windows.

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.ScMinidriver,
  Chilkat.Cert;

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

procedure RunDemo;
var
  success: Boolean;
  scmd: TScMinidriver;
  readerName: string;
  pinId: string;
  retval: Integer;
  cert: TCert;
  password: string;
  containerIndex: Integer;
  keySpec: string;

begin
  success := False;

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

  scmd := TScMinidriver.Create;

  //  Reader names (smart card readers or USB tokens) can be discovered
  //  via List Readers or Find Smart Cards
  readerName := 'SCM Microsystems Inc. SCR33x USB Smart Card Reader 0';
  success := scmd.AcquireContext(readerName);
  if (success = False) then
    begin
      WriteLn(scmd.LastErrorText);
      Exit;
    end;

  //  If successful, the name of the currently inserted smart card is available:
  WriteLn('Card name: ' + scmd.CardName);

  //  To import a cert + private key, we'll need to be PIN authenticated.
  //  For more details about smart card PIN authentication, see the Smart Card PIN Authentication Example
  pinId := 'user';
  retval := scmd.PinAuthenticate(pinId,'000000');
  if (retval <> 0) then
    begin
      WriteLn('PIN Authentication failed.');
      scmd.DeleteContext();
      Exit;
    end;

  cert := TCert.Create;

  //  Load the cert + private key from a .p12/.pfx
  //  We got this .p12 from https://badssl.com/download/
  password := 'badssl.com';
  success := cert.LoadPfxFile('qa_data/pfx/badssl.com-client.p12',password);
  if (success = False) then
    begin
      WriteLn(cert.LastErrorText);
      scmd.DeleteContext();
      Exit;
    end;

  //  Let's import this certificate as the "signature" key/cert in key container #6.
  containerIndex := 6;
  keySpec := 'sig';
  success := scmd.ImportCert(cert,containerIndex,keySpec,pinId);
  if (success = False) then
    begin
      WriteLn(scmd.LastErrorText);
    end
  else
    begin
      WriteLn('Successfully imported the cert + private key onto the smart card.');
    end;

  //  When finished with operations that required authentication, you may if you wish, deauthenticate the session.
  success := scmd.PinDeauthenticate('user');
  if (success = False) then
    begin
      WriteLn(scmd.LastErrorText);
    end;

  //  Delete the context when finished with the card.
  success := scmd.DeleteContext();
  if (success = False) then
    begin
      WriteLn(scmd.LastErrorText);
    end;


  scmd.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.