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报文拼接与加解密测试

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电梯直达

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发表于 2024-3-31 17:21 |只看该作者 |倒序浏览

|招呼Ta 关注Ta

# -*- coding: gb2312 -*-
import socket
from myutil import *
from binascii import unhexlify as unhex
from ctypes import *
dll = cdll.LoadLibrary('mydll.dll')
print 'begin load mydll..'
#key
key='\xF1\xE2\xD3\xC4\xF1\xE2\xD3\xC4'
#output MAC
mac='\x00'*8
data='\x00'*8
pkey=c_char_p()
pdata=c_char_p()
pmac=c_char_p()
pkey.value=key
pdata.value=data
pmac.value=mac
#pack1
class pack:
pass
pk=pack()
pk.len='00000032'
pk.ID='0001'
pk.slnum='00000004'
pk.poscode='123456781234'
pk.rand='1122334455667788'
pk.psam='313233343536'
pk.kind='0000'
pk.ver='000001'
pk.time='20140805135601'
pk.mac='06cc571e6d96e12d'

data=unhex(pk.len+pk.ID+pk.slnum+pk.poscode+pk.rand+pk.psam+pk.kind+pk.ver+pk.time)
#print_hex(data)
pdata.value=data
#cacl MAC
dll.CurCalc_DES_MAC64(805306481,pkey,0,pdata,42,pmac)
stro= pmac.value
strtemp=''
for c in stro:
strtemp+="{0:02x}".format(ord(c))
#print strtemp
pk.mac=strtemp
#data to send
sd=pk.len+pk.ID+pk.slnum+pk.poscode+pk.rand+pk.psam+pk.kind+pk.ver+pk.time+pk.mac
print  'send1 len is 0x%02x' %(len(sd)/2)
print sd
#pack2
class pack2:
pass
pk2=pack2()
pk2.len='0000006E'
pk2.ID='0012'
pk2.slnum='00000005'
pk2.fatCode='00'
pk2.cardASN='0000000000000000'
pk2.cardType='00'
pk2.userNO= '0000000000000000'

pk2.fileName1='00000000000000000000000000000015'
pk2.dataLen1='00'
pk2.dataArea1='00000000000000319999990800FB2014080620240806FFFFFFFFFFFFFFFFFFFF'
pk2.fileName2='00000000000000000000000000000016'
pk2.dataLen2='00'
pk2.dataArea2='000003E800FFFF16'
pk2.mac='06cc571e6d96e12d'

data2=unhex(pk2.len+pk2.ID+pk2.slnum+pk2.fatCode+pk2.cardASN+pk2.cardType+pk2.userNO+pk2.fileName1+pk2.dataLen1+pk2.dataArea1+pk2.fileName2+pk2.dataLen2+pk2.dataArea2)

pdata.value=data2
#cacl MAC
dll.CurCalc_DES_MAC64(805306481,pkey,0,pdata,102,pmac)
stro= pmac.value
strtemp=''
for c in stro:
strtemp+="{0:02x}".format(ord(c))
#print strtemp
pk2.mac=strtemp
#data to send
sd2=pk2.len+pk2.ID+pk2.slnum+pk2.fatCode+pk2.cardASN+pk2.cardType+pk2.userNO+pk2.fileName1+pk2.dataLen1+pk2.dataArea1+pk2.fileName2+pk2.dataLen2+pk2.dataArea2+pk2.mac

print  'send2 len is 0x%02x' %(len(sd2)/2)
print sd2

#PORT="192.168.60.37"
#PORT="localhost"
HOST, PORT = "192.168.51.28", 5800
# Create a socket (SOCK_STREAM means a TCP socket)
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
try:
# Connect to server and send data
sock.connect((HOST, int(PORT))
#data= "123456789"
#s = struct.pack('bbb',1,2,3)
sock.send(sd.decode('hex'))
print "Sent1 OK:"
print sd
# Receive data from the server and shut down
received = sock.recv(1024)
print "Received:"
print_hex(received)
print  'received len is 0x%02x' %(len(received))
print  'received data analysis...'
re1=received[0:4]
print_hex(re1)
re1=received[4:6]
print_hex(re1)
re1=received[6:10]
print_hex(re1)
re1=received[10:16]
print_hex(re1)

#pack2 send
sock.send(sd2.decode('hex'))
print "Sent2 OK:"
print sd2
# Receive data from the server and shut down
received1 = sock.recv(1024)
print "Received1:"
print_hex(received1)
print  'received1 len is 0x%02x' %(len(received1))

finally:
sock.close()

s=raw_input('press any key to continue...')

zan