picoCTF gym writeup: Transformation
Having fun hacking Unicode strings with CyberChef
Published in
5 min readFeb 16, 2023
The American Standard Code for Information Interchange, or ASCII, was the main encoding scheme in the latter half of the twentieth century when computing was still in its infancy. It maps 127 alphanumeric, non-alphanumeric and some other control characters onto a number.
But ASCII is limited in the amount of characters it can map to an integer. So, other character encoding schemes were invented. Unicode (n.d.) was invented as an alternative standard that could…