Delphi ActiveX

PKCS11 Set PIN for Currently Logged On User

See more PKCS11 Examples

Demonstrates how to change the PIN for the currently logged on user. (The currently logged on user can be the Security Officer, the Normal User, or Context Specific.)

Note: Requires Chilkat v9.5.0.89 or greater.

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;
pkcs11: TChilkatPkcs11;
slotID: Integer;
readWrite: Integer;
userType: Integer;
pin: WideString;

begin
success := 0;

// 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;

// Make it an authenticated session by calling Login.
// The smart card PIN is passed to the Login method.
// The user type can be one of three choices:
// 0 - Security Officer
// 1 - Normal User
// 2 - Context Specific.
userType := 1;
pin := '0000';
success := pkcs11.Login(userType,pin);
if (success = 0) then
  begin
    Memo1.Lines.Add(pkcs11.LastErrorText);
    success := pkcs11.CloseSession();
    Exit;
  end;

// Change the PIN from 0000 to 1234
// This changes the PIN for the user type that is logged in.
success := pkcs11.SetPin(pin,'1234');
if (success = 0) then
  begin
    Memo1.Lines.Add(pkcs11.LastErrorText);
    success := pkcs11.CloseSession();
    Exit;
  end;

// Revert to an unauthenticated session by calling Logout.
success := pkcs11.Logout();
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 0000 to 1234');
end;