17 lines
516 B
Python
17 lines
516 B
Python
docbody = [206,56,8,128,209,47,2,149,202,34,95,128,226,41,92,156,
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142,38,51,153,137,57,51,218,211,21,88,130,201,121,30,128,
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137,62,93,152,142,55]
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prefix = "srdn"
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key = []
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for i, c in enumerate(prefix):
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key.append(docbody[i] ^ ord(c))
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print(f"Derived key bytes: {key}")
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print(f"Derived key chars: {''.join(chr(k) for k in key)}")
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# Decode full docbody with cycling key
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result = ''.join(chr(docbody[i] ^ key[i % len(key)]) for i in range(len(docbody)))
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print(f"\nDecoded flag: {result}")
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