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## The Second Task Continuing the series, let's check what's inside the second task.  So now we can search for "**Invalid Header**". And there is exactly one hit! This message is shown when the condition involving the *parapet* function fails. ...

## What is even this task about? Ok, so last time we ended up with some bunch of weird looking bytes; > 00 00 00 00 0e 05 13 07 36 0f 37 69 22 27 3f 65 2e 20 36 69 2f 3b 3f 24 26 61 2c 21 24 3a 7b 65 7d 39 6a 79 7d 79 6a 38 4d  Attempt to **SOLVE**...

## What's that? Because I need to practice my skills in IoT and physical security of electronic devices, I decided to buy the Sword of Secrets hardware crypto CTF kit, which recently arrived. If you don't know what that is, don't worry you haven't missed anything important. In this post I'll...