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[NPUCTF2020]认清形势,建立信心 题目 from Crypto.Util.number import * from gmpy2 import * from secret import flag p = getPrime(25) e = # Hidden q = getPrime(25) n 阅读全文
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[GKCTF2021]RRRRSA 题目 from Crypto.Util.number import * from gmpy2 import gcd flag = b'xxxxxxxxxxxxx' p = getPrime(512) q = getPrime(512) m = bytes_to_l 阅读全文
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[GKCTF2021]random 本题出现了MT19937伪随机数生成算法。 题目 task.py import random from hashlib import md5 def get_mask(): file = open("random.txt","w") for i in range( 阅读全文
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signin 题目 from Crypto.Util.number import getStrongPrime,bytes_to_long from gmpy2 import powmod,is_prime,invert,bit_length, next_prime from FLAG import 阅读全文