NPUCTF
BUUCTF Reverse/[NPUCTF2020]你好sao啊
里面就一个加密函数,分析后发现这是一段变表的base解密,将四个字符替换成三个字符 点击查看代码 void *__fastcall RxEncode(const char *a1, int a2) { int v3; // [rsp+18h] [rbp-38h] int v4; // [rsp+1C ......
[NPUCTF2020]Baby Obfuscation
## [NPUCTF2020]Baby Obfuscation 将该文件使用ida打开并直接查看main()函数 ; class HelloPhp { public $a; public $b; public function __constr ......
Crypto|[NPUCTF2020]EzRSA
attachment.py from gmpy2 import lcm , powmod , invert , gcd , mpz from Crypto.Util.number import getPrime from sympy import nextprime from random impo ......