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The beginning of GO KNOW package main import ( "fmt" "unsafe" ) func main() { fmt.Println("Hello, World!") age := 18 //var age int=18 fmt.Println("age 阅读全文
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前20守门员 悲 Random_RSA import gmpy2 from Crypto.Util.number import * from mt19937predictor import MT19937Predictor from gmpy2 import next_prime from math 阅读全文
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本次HECTF,由于学业繁忙,挑了些题目做一做。 流动的音符:♭♭♫♭♭§‖♭∮♭♯♩‖♭♪‖♩♫‖♭‖♭‖§♭‖♩‖♬♫♭‖‖‖♬∮‖¶♩♭‖♪‖♬♯♭♯♪‖¶¶‖♬♭♭‖♪‖♬♫§= 直接网页在线解密,得到EA>N?s:WZgTdPYbMSaYg 古典密码无非移位和替换,分析前面字母与HECTF 阅读全文
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from secret import FLAG, ECDH_KEY_EXCHANGE from Crypto.Cipher import AES from hashlib import md5 from os import urandom iv = urandom(16) a = 14489 b = 阅读全文
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下面先给出题目 import os from Crypto.Cipher import AES auth_major_key = os.urandom(16) from flag import secret BANNER = """ Login as admin to get the flag ! 阅读全文
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from Crypto.Util.number import * flag = b'xxxxxxxxxxxxxxxxxxxx' class my_prng_lcg: def __init__(self, seed, multiplier, increment, modulus): self.stat 阅读全文
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from Crypto.Util.number import * from somewhere_you_do_not_know import flag #flag格式为 flag{XXXX} def ezprime(n): p=getPrime(n) while p%4!=3: p=getPrime 阅读全文
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本题目的是使新生对rsa更加熟悉,一个题目内含五个小问。🏎️ 题干 assert len(flag) % 5 == 0 cnt = len(flag) // 5 flags = [flag[cnt*i:cnt*(i+1)] for i in range(5)] 我们根据题干不难发现,这一题的fla 阅读全文