(Delphi ActiveX) PKCS11 Change Normal User PIN from Non-Logged-In State

See more PKCS11 Examples

When SetPin is called from a non-logged-in state, then it is the Normal User PIN that is changed.

Note: Requires Chilkat v9.5.0.89 or greater.

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
pkcs11: TChilkatPkcs11;
success: Integer;
slotID: Integer;
readWrite: Integer;

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

// Note: Chilkat's PKCS11 implementation runs on Windows, Linux, Mac OS X, and other supported operating systems.

pkcs11 := TChilkatPkcs11.Create(Self);

// See PKCS11 Find Driver Library Path for information about how to find the 
// PKCS11 driver file (if not explicitly known) for the plugged-in token or smart card in reader.
pkcs11.SharedLibPath := 'IDPrimePKCS1164.dll';

success := pkcs11.Initialize();
if (success = 0) then
  begin
    Memo1.Lines.Add(pkcs11.LastErrorText);
    Exit;
  end;

// Pass -1 for the slotID to open a session on the first non-empty slot.
slotID := -1;

// Open a session.
readWrite := 1;
success := pkcs11.OpenSession(slotID,readWrite);
if (success = 0) then
  begin
    Memo1.Lines.Add(pkcs11.LastErrorText);
    Exit;
  end;

// We haven't logged in, but we can set the Normal User's PIN directly by providing 
// the existing PIN, and the new PIN.

// Change the PIN from 1234 to 0000
success := pkcs11.SetPin('1234','0000');
if (success = 0) then
  begin
    Memo1.Lines.Add(pkcs11.LastErrorText);
    success := pkcs11.CloseSession();
    Exit;
  end;

// When finished, close the session.
// It is important to close the session (memory leaks will occur if the session is not properly closed).
success := pkcs11.CloseSession();
if (success = 0) then
  begin
    Memo1.Lines.Add(pkcs11.LastErrorText);
    Exit;
  end;

Memo1.Lines.Add('Successfully changed PIN from 1234 to 0000');
end;