50 lines
1.3 KiB
Python
50 lines
1.3 KiB
Python
#!/bin/python
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import sys, getopt, os
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def main(argv):
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comp1 = ''
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comp2 = ''
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comp3 = ''
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try:
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opts, args = getopt.getopt(argv,"h:1:2:3:",["comp1=","comp2=","comp3="])
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except getopt.GetoptError:
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print ('test.py -i <inputfile> -a <address> -p <port>')
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sys.exit(2)
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for opt, arg in opts:
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if opt == '-h':
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print ('test.py -i <inputfile> -a <address> -p <port>')
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sys.exit()
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elif opt in ("-1","--comp1"):
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comp1 = str(arg)
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elif opt in ("-2","--comp2"):
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comp2 = str(arg)
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elif opt in ("-3","--comp3"):
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comp3 = str(arg)
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if (len(comp1) != len(comp2)) or (len(comp1) != len(comp3)):
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print("All components should be of the same length")
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sys.exit(2)
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if len(comp1) not in (16, 32, 64, 128, 256):
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print("All components should be of byte length")
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print(len(comp1))
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print(len(comp2))
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print(len(comp3))
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sys.exit(2)
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bytes1 = bytes.fromhex( comp1.encode("utf-8").hex())
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bytes2 = bytes.fromhex( comp2.encode("utf-8").hex())
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bytes3 = bytes.fromhex( comp3.encode("utf-8").hex())
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e = bytearray()
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for c,d,f in zip(bytes1,bytes2,bytes3):
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e.append( ( c ^ d ^ f ) )
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print(e.hex())
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if __name__ == "__main__":
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main(sys.argv[1:])
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