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deayzl's blog
[2022 Fall GoN Open Qual CTF] Checkers writeup
#!/usr/bin/python3 import random CHARSET = "ABCDEFGHIJKLMNOPQRSTUVWXYZ_/" def key_gen(): tmp = list(CHARSET) random.shuffle(tmp) p = "".join(tmp) k1, k2 = random.sample(range(1, 10), 2) k3_len = random.randint(5, 10) k3 = tuple(random.randrange(1, 10) for _ in range(k3_len)) p_li = list(p) p_li.append(p_li[k1]) p_li.append(p_li[k2]) p_li[k1] = " " p_li[k2] = " " p = "".join(p_li) return (p, k1, ..
CTF writeup/GoN Open Qual CTF
2022. 8. 31. 21:00