Challenge - Santa's Secure Data Storage
In order to prevent the leakage of any flags, Santa decided to instruct his elves to implement a secure data storage, which encrypts all entered data before storing it to disk.
According to the paradigm Always implement your own crypto the elves designed...
Challenge - Padawanlock
A new apprentice Elf heard about "Configuration as Code". When he had to solve the problem to protected a secret he came up with this "very sophisticated padlock".
Solution
Unpacking the .zip archive, we got a 19MB Linux executable. That's large. But maybe...
Challenge - Santa's Special GIFt
Today, you got a strange GIFt from Santa:
You are unsure what it is for. You do happen to have some wood lying around, but the tool seems to be made for metal. You notice how it has a rather strange size. You could use it for your fingernails, perhaps? If you k...