Seknipel

ASIS CTF

Task: ASIS Crypto "Seknipel" — ASIS cipher. Solution: ASIS CTF specific cryptographic challenge, custom algorithm.

continued_fractions cubic_pell_curve xtr_cryptosystem wiener_attack polynomial_resultant finite_field_factorization cubic_extension crt

Continued fractions attack (Wiener-style) on e/n^2Polynomial resultant computation for system solvingFactorization over finite fields GF(p)Chinese Remainder Theorem for solution combination

$ ls tags/ techniques/

continued_fractions cubic_pell_curve xtr_cryptosystem wiener_attack polynomial_resultant finite_field_factorization cubic_extension crt

Continued fractions attack (Wiener-style) on e/n^2Polynomial resultant computation for system solvingFactorization over finite fields GF(p)Chinese Remainder Theorem for solution combination

Analysis

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$ python3 exploit.py --target 192.168.1.1 --port 8080
[*] Connecting to target...
[+] Shell obtained!

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