09 – Crypto Warmup 1

Solve

Crpyto can often be done by hand, here’s a message you got from a friend,

llkjmlmpadkkcwith

 the key of 

thisisalilkey

. Can you use this table to solve it?.

Solution

There is a link to download the table to decrypt this, don’t not much about it at all so lets have a look at some one cipher tools to see what one can crack it first.

Not really sure what one start with? Hmmm…

Instead of filling this with a heap of different tools I tried here is the one that worked.

https://planetcalc.com/2468/

So it looks like there is some sort of crypto algorithm called Vigenere using some ROT#

picoCTF{secretmessage}
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