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Hashing vs encryption vs salting: what's the difference?


Why is salting important?

What are the ingredients of effective cybersecurity? As with most tech verticals, non-techies charged with researching the best options will discover a world of jargon and specialized terms. Encryption and hashing come up a lot. At a glance, they sound similar—both are methods of scrambling data, so prying eyes can’t make sense of it. But what do they actually do? Are they the same thing? Two different approaches to the same task? Do you need one, or the other, or both? And by the way, how did salting become involved? Are we protecting data, or cooking breakfast? Let’s cut through the confusion and discuss how encryption, hashing, and salting are different, and how they relate to each other.

Symmetric encryption algorithms

Asymmetric encryption algorithms

Deterministic encryption algorithms

Probabilistic encryption algorithms

So what good is this hashed data? 

Which algorithm creates the most secure hashes?

Avalanche effect

Hash collision

Merkle-Damgard hash functions

Can you spot the algorithm from the hashed password?

Password salt

Why is salting important?

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