Cryptography / Hashing
Lesson 7 of 25
Hash functions
A hash turns any input into a fixed-length fingerprint. The same input always gives the same hash, and you can't run it backwards.
Key points
- One-way
- Fixed length output
- Tiny change, totally different hash
echo -n 'hello' | sha256sumQuiz · +10 XP
Can you get the original input back from a SHA-256 hash?
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