One of the most memorable, mind-bending challenges in the Hacker101 CTF suite is the On the surface, it’s a simple idea: a site where users can create, share, and encrypt text pastes. But under the hood, it’s a masterclass in cryptographic misuse, developer oversights, and lateral thinking.
: When a user wants to create a new paste, generate a random encryption key on their device. This key will be used for both encryption and decryption. hacker101 encrypted pastebin