4cf86f2e53
More beginner problems/solutions for CTF-style challenges. Change-Id: Ide229e99e3ccc1ede5a5ca1c2ad039498e49ea4c Reviewed-on: https://cl.tvl.fyi/c/depot/+/4740 Reviewed-by: wpcarro <wpcarro@gmail.com> Autosubmit: wpcarro <wpcarro@gmail.com> Tested-by: BuildkiteCI
20 lines
541 B
Python
20 lines
541 B
Python
def fixed_xor(x, y, decode_hex=True, encode_hex=True):
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if decode_hex:
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x = bytearray.fromhex(x)
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y = bytearray.fromhex(y)
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result = bytearray(len(x))
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for i in range(len(x)):
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result[i] = x[i] ^ y[i]
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return result.hex() if encode_hex else result
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run_tests = False
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if run_tests:
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actual = fixed_xor("1c0111001f010100061a024b53535009181c", "686974207468652062756c6c277320657965")
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expect = "746865206b696420646f6e277420706c6179"
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print(actual)
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assert actual == expect
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print("Success!")
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