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14 lines
258 B
Python
Executable file
14 lines
258 B
Python
Executable file
#! /usr/bin/python3
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import binascii
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import sys
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def mask(buf1, buf2):
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return bytes(a^b for (a,b) in zip(buf1, buf2))
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t = bytes([0]*29)
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for line in sys.stdin:
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line = line.strip().encode()
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a = binascii.unhexlify(line)
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t = mask(t, a)
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print(t)
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