Pyscard 实现外部认证功能

1.解决问题：在智能卡开发测试中，需要用到测试工具比如 smarttest 等，利用Python 的pyscard拓展库也不失为一种好的办法，下面通过Python 实现智能卡的外部认证SCP02功能；

 *注:其中的send的接口是自己封装的，可以替换成 response,sw1,sw2 = cardservice.connection.transmit(apdu)的形式；

def Scp02():
    send([0x00,0xa4,0x04,0x00,0x00])
    send([0x00,0xa4,0x04,0x00,0x12])
    send([0x80,0x50,0x00,0x00,0x08,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08])
    InitializeUpdate = [0x00,0xC0,0x00,0x00,0x1C]
    InitializeUpdateDate,sw1,sw2 = cardservice.connection.transmit(InitializeUpdate)
    key='404142434445464748494A4B4C4D4E4F'
    key = key.decode("hex")
    iv = '0000000000000000'
    iv = iv.decode("hex")
    m=DES3.new(key,DES3.MODE_CBC,iv)
    num1 = re.sub(r'\s', "", toHexString(InitializeUpdateDate[12:14]))
    res='0182'+num1+'000000000000000000000000'
    res1 = res.decode("hex")
    cipherres = m.encrypt(res1)
    io=cipherres.encode("hex")
    iv2 = '0000000000000000'
    iv2 = iv2.decode("hex")
    n=DES3.new(cipherres,DES3.MODE_CBC,iv2)
    num2 = re.sub(r'\s', "", toHexString(InitializeUpdateDate[12:20]))
    res2 = num2+'01020304050607088000000000000000' 
    resss = res2.decode("hex")
    cipherres2 = n.encrypt(resss)
    po = cipherres2.encode("hex")
    key3='404142434445464748494A4B4C4D4E4F'
    key3 = key3.decode("hex")
    iv3 = '0000000000000000'
    iv3 = iv3.decode("hex")
    o=DES3.new(key3,DES3.MODE_CBC,iv3)
    res3='0101'+num1+'000000000000000000000000'
    res3 = res3.decode("hex")
    cipherres3 = o.encrypt(res3)
    iv4 = '0000000000000000'
    iv4 = iv4.decode("hex")
    key4 = cipherres3
    ert = key4.encode("hex")
    Mac1key = ert[:16]
    Mac1key = Mac1key.decode("hex")
    Mac2key = ert[-16:]
    Mac2key = Mac2key.decode("hex")
    Macdata = '8482000010'+po[-16:]+'800000'
    Macdata1 = Macdata[:16]
    yxc = Macdata1.decode("hex")
    Macdata2 = Macdata[-16:]
    gyf = Macdata2.decode("hex")
    jui = '0000000000000000'
    jui = jui.decode("hex")
    objMac2 = DES.new(Mac1key,DES.MODE_CBC,jui)
    Macnum2 = objMac2.encrypt(yxc)
    Macnum2show = Macnum2.encode("hex")
    objMac3 = DES.new(Mac1key,DES.MODE_CBC,Macnum2)
    Macnum3 = objMac3.encrypt(gyf)
    Macnum3show = Macnum3.encode("hex")
    objMac4 = DES.new(Mac2key,DES.MODE_ECB)
    Macnum4 = objMac4.decrypt(Macnum3)
    Macnum4show = Macnum4.encode("hex")
    objMac5 = DES.new(Mac1key,DES.MODE_ECB)
    Macnum5 = objMac5.encrypt(Macnum4)
    Macnum5show = Macnum5.encode("hex")
    yxczs = '8482000010'+po[-16:]+Macnum5show
    print len(yxczs)
    listy = []
    jj = 0
    for x in range(0,21):
        niu = '0x'+yxczs[jj:jj+2]
        liu = eval(niu)
        listy.append(liu)
        jj+=2
    send(listy)

 

2. 拓展功能：智能卡的测试可以大量用到Python的pyscard 的库，同时也可以通过py2exe等打包工具发给没有Python环境的测试机进行测试；