Category: Cryptography
Level: easy - 10 points
| You don’t need to drink in order to solve this challenge. |
10 points if your team submits the flag. If you publish the associated source code to solve the challenge on GitHub along with the write-up it’s 5 additional points.
Challenge
Johnny is a system administrator in a large bank. He doesn’t like his job. In a late evening, he encrypted an important key but he cannot remember how he did it. He was obviously drunk. Being drunk and using crypto, it’s usually not a good idea. Early in the morning he found back one file
SHA1 |
filename |
|
4da131c1c4dbb9bec4eb81f308b9f90183936d80 |
and a post-it on his desk with the following text:
E6sbNnnKhw/tc