sha-256

1 free lesson tagged sha-256 across Programming. Each one is a short sequence of focused steps with narration and a five-question quiz at the end — take them in any order, no signup required.

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Hash Functions, MACs, and Password Hashing

Hash functions are not all equal and MACs are not just hashes with a secret. Learn the three resistance properties, why length-extension attacks break naive HMAC constructions, how KDFs differ from hashes, and why bcrypt/scrypt/Argon2 exist for passwords.

9 steps·~14 min

Hash Functions, MACs, and Password Hashing

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