我有一台OmniKey 5321智能卡读卡器和一台装有Debian的电脑。以下Python代码读取卡片:
from smartcard.CardMonitoring import CardMonitor, CardObserver
from smartcard.util import *
import sys
class printobserver( CardObserver ):
def update( self, observable, (addedcards, removedcards) ):
for card in addedcards:
print "+Inserted: ", toHexString( card.atr )
for card in removedcards:
print "-Removed: ", toHexString( card.atr )
try:
print "Insert or remove a smartcard in the system."
print ""
cardmonitor = CardMonitor()
cardobserver = printobserver()
cardmonitor.addObserver( cardobserver )
raw_input('Press Enter to exit\n')
except:
print "Unexpected error: ", sys.exc_info()[0]
Python代码运行正常,但为许多卡提供了相同的 atr 标记。给定的atr是:
3B 8F 80 01 80 4F 0C A0 00 00 03 06 03 00 01 00 00 00 00 6A
我怎样才能从卡片中读到一些东西?我知道我必须发送一些命令,回复将包含UID,但我怎样才能找到命令?我将如何发送它们?
谢谢!
答案 0 :(得分:3)
连接到卡(或实际上是读卡器)后,您可以发送PC / SC标准化命令以从读卡器获取卡UID:
FF CA 00 00 00