Xbase++

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. Xbase++

LOCAL nSuccess
LOCAL oScmd
LOCAL cReaderName
LOCAL cCurrentPin
LOCAL cNewPin
LOCAL nRetval

nSuccess := 0

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

oScmd := CreateObject("Chilkat.ScMinidriver")

//  Reader names (smart card readers or USB tokens) can be discovered
//  via List Readers or Find Smart Cards
cReaderName := "Alcor Micro USB Smart Card Reader 0"
nSuccess := oScmd:AcquireContext(cReaderName)
IF (nSuccess == 0)
    ? oScmd:LastErrorText
    oScmd:destroy()
    RETURN
ENDIF

//  If successful, the name of the currently inserted smart card is available:
? "Card name: " + oScmd:CardName

//  Change the "user" PIN.  (Typically, you'll always be using the "user" PIN.)
cCurrentPin := "0000"
cNewPin := "1234"
nRetval := oScmd:PinChange("user", cCurrentPin, cNewPin)
IF (nRetval == -1)
    ? "The PIN is already blocked."
    oScmd:destroy()
    RETURN
ENDIF

IF (nRetval == -2)
    ? "The PinChange function failed for some unanticipated reason"
    ? oScmd:LastErrorText
    oScmd:destroy()
    RETURN
ENDIF

IF (nRetval == 0)
    ? "PIN successfully changed."
ELSE
    ? "Current PIN is incorrect."
    ? "Number of attempts remaining = " + Str(nRetval)
ENDIF

oScmd:DeleteContext()

oScmd:destroy()