Stage 03 · 03 · Practice · skill 1 of 2

Cryptography basics

Hashing, symmetric vs public key, why you do not invent ciphers.

Recommended first: Python syntax & types

After this you will be able to

• Contrast hashing, encryption, and encoding
• Use a standard library, never homemade crypto
• Solve Cryptopals set 1 challenges 1–3

Cryptopals · why we picked it