test=0x1a6f2bec
targets=[
0x12345678,
0x87654321,
0xbadfeed0,
]
keys=[]
print "IV:",hex(test)
print "data:"
for target in targets:
    print hex(target)
print "encoded:"
for t in targets:
    test=test^t
    keys.append(test)
    print hex(test)
print "decoded:"
test=0x1a6f2bec
for key in keys:
    test=test^key
    print hex(test) # decodes first block
    #print hex(test^key) # decodes second block