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PETIR CYBER SECURITY

Tim kompetisi Capture The Flag (CTF) Universitas Bina Nusantara – Tempat untuk Belajar Lebih Dalam tentang Cyber Security secara Intensif dan Kompetitif.

Tag: sage

September 13, 2022September 13, 2022

[ARACTF Qual 2022] – Numbers

Posted in Crypto by kisanak Leave a Comment on [ARACTF Qual 2022] – Numbers

Chall.py from Crypto.Util.number import bytes_to_longfrom flag import FLAG f1, f2, f3, f4 = [bytes_to_long(FLAG[i:i+8]) for i in range(0, len(FLAG), 8)] print(f'{f1**3 – f2**3 + f3 – f4 = }’)print(f'{-f1**3 * f2**3 + f1**3 * f3 – f2**3 * f3 – f1**3 * f4 + f2**3 * f4 – f3 * f4 = }’)print(f'{-f1**3 * f2**3 […]

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