challenge006

That is how it’s pronounced, isn’t it? Encrypted Message: pshmv{gvlakpgoadoxzj_swlwkptwdmfu}

Hints Vigenere cipher The key is 6 characters long

Solution:

1. As the clue suggest, is “vinegar” cipher
2. Use dcode.fr, and choose knowing the plaintext word, which would be the flag header “isfcr”
3. It will gives the key which is “HACKES”
4. Try to encode which the key again, check the consistency.
5. And there u go, the flag: isfcr{oolyalohabethc_subssitutinn}