#secconbeginners2021 FLAG = b'<censored>' SIZE = 8 p = random_prime(2^128) MS = MatrixSpace(GF(p), SIZE) key = MS.random_element() while key.rank() != SIZE: key = MS.random_element() M = copy(MS.zero()) for i in range(SIZE): for j in range(SIZE): n </censored>…

#secconbeginners2021 from Crypto.Util.number import * from random import getrandbits from flag import flag flag = bytes_to_long(flag.encode("utf-8")) flag = bin(flag)[2:] length = len(flag) A = [] a, b = 0, 0 for _ in range(length): a += g…

#secconbeginners2021 from Crypto.Util.number import * from random import getrandbits from os import urandom # from flag import flag def gen_primes(bits, e): q = getStrongPrime(bits) p = q while True: p = p-8 # p-8 phi = (p - 1) * (q - 1) i…