[SDCTF 2025]PermEG
| ID： | 13668 |
|---|---|
| 标题： | [SDCTF 2025]PermEG |
| 描述： | I learned about some group theory ElGamal encryption in CSE107 and thought it was pretty cool! Did you know you can implement ElGamal for any group? I made one for the symmetric group!! It has 151 bits of security, so you won't be cracking it any time soon... 得到的flag请使用NSSCTF{}格式提交。 |
| 类型： | CRYPTO |
| 网站： | NSSCTF |
| 题目链接： | https://www.nssctf.cn/problem/6769 |
| 赛事： | SDCTF |
| 年度： | 2025 |
| Flag值： | sdctf{omg_i_luv_shlcd} |
| writeup： | https://naup.mygo.tw/2025/05/12/San-Diego-CTF-2025-writeup/ |