[CyBRICS 2019]Fast Crypto
| ID： | 13076 |
|---|---|
| 标题： | [CyBRICS 2019]Fast Crypto |
| 描述： | Here you have some modern encryption software. Actually, it's even too modern for your hardware. Try to find out how to decode the WAV file with a secret message: 得到的flag使用NSSCTF{}格式提交。 |
| 类型： | Crypto |
| 网站： | NSSCTF |
| 题目链接： | https://www.nssctf.cn/problem/1172 |
| 赛事： | CyBRICS |
| 年度： | 2019 |
| Flag值： | 15, 89 |
| writeup： |
https://blog.soreatu.com/posts/writeup-for-crypto-problems-in-cybrics-ctf-2019/ 通过爆破仿射密码的a=15和b=89参数解密图片文件获得flag 1 |