2023-06-30 15:14:19 +02:00
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#!/usr/bin/env python3
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# Link: https://crackmes.one/crackme/6403ac2a33c5d447bc76179f
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# Conditions that must be fulfilled for the key to be valid:
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2023-07-02 18:47:44 +02:00
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# len(key) == 13 && key[3] == '-'
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# (sum1 = sum(key[0:3])))
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# (key[0] ^ sum1 % 3) == sum(key[4:7])
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# (key[1] ^ sum1 % 3) == sum(key[7:10])
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# (key[2] ^ sum1 % 3) == sum(key[10:13])
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2023-06-30 15:14:19 +02:00
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import random
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def complete(base):
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s = ["", "", ""]
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base_sum = sum(base)
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for i in range(3):
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c = base[i] ^ base_sum % 3
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s[i] = "".join(str(n) for n in find_sum(c))
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return f"{''.join(str(n) for n in base)}-{s[0]}{s[1]}{s[2]}"
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def find_sum(total):
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while True:
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x = random.randint(0, 9)
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y = random.randint(0, 9)
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z = random.randint(0, 9)
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if x + y + z == total:
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break
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return x, y, z
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while True:
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base = [random.randint(0, 9) for _ in range(3)]
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print(complete(base))
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