(CkPython) ScMinidriver - Change Smart Card PIN (or USB token PIN)

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

Chilkat Python Downloads install with pip pip3 install chilkat or download... Python Module for Windows, MacOS, Linux, Alpine Linux, Solaris

import sys
import chilkat

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

scmd = chilkat.CkScMinidriver()

# Reader names (smart card readers or USB tokens) can be discovered
# via List Readers or Find Smart Cards
readerName = "Alcor Micro USB Smart Card Reader 0"
success = scmd.AcquireContext(readerName)
if (success == False):
    print(scmd.lastErrorText())
    sys.exit()

# If successful, the name of the currently inserted smart card is available:
print("Card name: " + scmd.cardName())

# Change the "user" PIN.  (Typically, you'll always be using the "user" PIN.)
currentPin = "0000"
newPin = "1234"
retval = scmd.PinChange("user",currentPin,newPin)
if (retval == -1):
    print("The PIN is already blocked.")
    sys.exit()

if (retval == -2):
    print("The PinChange function failed for some unanticipated reason")
    print(scmd.lastErrorText())
    sys.exit()

if (retval == 0):
    print("PIN successfully changed.")
else:
    print("Current PIN is incorrect.")
    print("Number of attempts remaining = " + str(retval))

scmd.DeleteContext()