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Visual Basic 6.0 Examples

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(Visual Basic 6.0) ScMinidriver - Change Smart Card PIN (or USB token PIN)

See more ScMinidriver Examples

Demonstrates how to change the PIN for a smart card or USB token.

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

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

Dim scmd As New ChilkatScMinidriver

' Reader names (smart card readers or USB tokens) can be discovered
' via List Readers or Find Smart Cards
Dim readerName As String
readerName = "Alcor Micro USB Smart Card Reader 0"
Dim success As Long
success = scmd.AcquireContext(readerName)
If (success = 0) Then
    Debug.Print scmd.LastErrorText
    Exit Sub
End If

' If successful, the name of the currently inserted smart card is available:
Debug.Print "Card name: " & scmd.CardName

' Change the "user" PIN.  (Typically, you'll always be using the "user" PIN.)
Dim currentPin As String
currentPin = "0000"
Dim newPin As String
newPin = "1234"
Dim retval As Long
retval = scmd.PinChange("user",currentPin,newPin)
If (retval = -1) Then
    Debug.Print "The PIN is already blocked."
    Exit Sub
End If

If (retval = -2) Then
    Debug.Print "The PinChange function failed for some unanticipated reason"
    Debug.Print scmd.LastErrorText
    Exit Sub
End If

If (retval = 0) Then
    Debug.Print "PIN successfully changed."
Else
    Debug.Print "Current PIN is incorrect."
    Debug.Print "Number of attempts remaining = " & retval
End If

success = scmd.DeleteContext()

 

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