(VB.NET) PKCS11 Set PIN for Currently Logged On User

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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.

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' 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.

Dim pkcs11 As New Chilkat.Pkcs11

' 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"

Dim success As Boolean = pkcs11.Initialize()
If (success = False) Then
    Debug.WriteLine(pkcs11.LastErrorText)
    Exit Sub
End If



' Pass -1 for the slotID to open a session on the first non-empty slot.
Dim slotID As Integer = -1

' Open a session.
Dim readWrite As Boolean = True
success = pkcs11.OpenSession(slotID,readWrite)
If (success = False) Then
    Debug.WriteLine(pkcs11.LastErrorText)
    Exit Sub
End If


' 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.
Dim userType As Integer = 1
Dim pin As String = "0000"
success = pkcs11.Login(userType,pin)
If (success = False) Then
    Debug.WriteLine(pkcs11.LastErrorText)
    success = pkcs11.CloseSession()
    Exit Sub
End If


' 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 = False) Then
    Debug.WriteLine(pkcs11.LastErrorText)
    success = pkcs11.CloseSession()
    Exit Sub
End If


' Revert to an unauthenticated session by calling Logout.
success = pkcs11.Logout()
If (success = False) Then
    Debug.WriteLine(pkcs11.LastErrorText)
    success = pkcs11.CloseSession()
    Exit Sub
End If


' 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 = False) Then
    Debug.WriteLine(pkcs11.LastErrorText)
    Exit Sub
End If


Debug.WriteLine("Successfully changed PIN from 0000 to 1234")