GPN Cryptography Challenge Part 2:

Part two of the GPN Cryptography Challenge is a Vigenere cypher.

What is a Vigenere cypher?

A Vigenere cypher is like a Caesar cypher but the key is a word. Each letter of the word gets translated into a number key, then the keys are used in order to shift the message. For example, this is encrypting the sentence “GPN is very fun” with a key of “pizza”

The Vigenere Message:

ysc gprj id et sxeoz lx uic teqzr kalmr ktxn hsi icoi ccch mfpitgwikjpw lcc xns weyh ncvvpv

Hint: the keyword you need is hidden on our cryptography challenge poster!