$ ctf42

Grey_Box_Hacking

Crypto weight 23.13 No technique tags yet.
Difficulty Not rated yet

Flag format: grodno{...}

Вы нашли устройство, шифрующее данные через LFSR, но его параметры не известны. Уцелел только зашифрованный флаг. Определите параметры LFSR и извлеките флаг.

You have found a device that encrypts data using LFSR, but its parameters are unknown. Only the encrypted flag has survived. Determine the LFSR parameters and extract the flag.

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