# rail-fence-100pt [題目在這](https://play.picoctf.org/practice/challenge/289?category=2&originalEvent=70&page=1) ## 題意  ## 解題思路 題目叫做 rail fence 丟上去網路上收尋這什麼東西,因為一看就覺得可能是某個密碼學加密方法,還真的有個叫做 Rail Fence Cipher 的,用 online decoder : https://www.dcode.fr/rail-fence-cipher  按下 auto 後,看一下他解析的狀況,感覺上這個最有可能是答案  ## 困難之處 nope Date : 2023/04/17 ###### tags: `picoCTF2022` `Cryptography` [`從零開始的 picoCTF`](https://hackmd.io/-KQeDuzrQMOcFNhwU_5eKA?both=) `picoCTF`
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