APDU.py 文件源码

def changePin(c, oldPin, newPin, P2=0x01, logCh=0):
    """Change PIN
oldPin   - old PIN value (str, 4-8bytes)
newPin   - new PIN value (str, 4-8bytes)
P2    - PIN identification (0x01: PIN1 (default), 0x81: PIN2, etc.)
logCh - logical channel (default 0)
"""
    assert 4 <= len(oldPin) <= 8
    oldPin += '\xFF' * (8 - len(oldPin))
    assert 4 <= len(newPin) <= 8
    newPin += '\xFF' * (8 - len(newPin))
    apdu = [logCh, INS_CHANGE_PIN, 0, P2, 0x10] + s2l(oldPin) + s2l(newPin)
    resp, sw1, sw2 = c.transmit(apdu)
    sw = (sw1 << 8) + sw2
    if sw != 0x9000:
        raise ISOException(sw)