YanoSecConcepts / XOR
Concept · short entry
XOR
Exclusive or: a bit is 1 when exactly one input bit is 1. Applying the same key twice gives the input back.
Taught in
- Hex, Base64, and XOR in code 04 · Code
- XOR as a puzzle 10 · Crypto and files
This is a short entry. The lessons above are where the idea is taught with evidence and checks.