摘要: 刚好昨天学习了feistel结构的加解密 题目给出的加密源码: from Crypto.Util.number import * round = 2 flag = open("./secret", "rb").read().strip() def f(m, key): m = m ^ (m >> 4 阅读全文
posted @ 2023-10-02 09:50 N0zoM1z0 阅读(80) 评论(0) 推荐(0) 编辑
摘要: https://shimo.im/docs/XKq421EBKzFyRzAN/ 阅读全文
posted @ 2023-10-02 09:34 N0zoM1z0 阅读(235) 评论(0) 推荐(0) 编辑