# picoCTF 2022 Vigenere (Cryptography 100 points)The challenge is the following,
![Figure 1](img/challenge.png) 
We are also given the file [cipher.txt](./files/cipher.txt) which contains,
```rgnoDVD{O0NU_WQ3_G1G3O3T3_A1AH3S_a23a13a5}```
I went to CyberChef and used Vigenere decode with the key `CYLAB`, which gave,
![Figure 1](img/flag.png) 
Therefore, the flag is,
`picoCTF{D0NT_US3_V1G3N3R3_C1PH3R_y23c13p5}`