Why do we add a unique salt to each stored password hash?

Problem Statement

Explanation

A per user salt makes identical passwords hash to different values. That kills precomputed tables and cross user comparisons. It does not replace a slow hash. You still need bcrypt, scrypt, or Argon two i d.

Code Solution

SolutionRead Only

store: user, salt, argon2id_hash(salt + password)

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This question appears in the following practice sets:

Passwords & Auth Attacks

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Why do we add a unique salt to each stored password hash?

Problem Statement

Explanation

Code Solution

Practice Sets

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Why do we add a unique salt to each stored password hash?

Problem Statement

Explanation

Code Solution

Practice Sets

Related Questions

Why is a written scope and Rules of Engagement mandatory before any ethical hacking test?

Which ordering matches the common PTES workflow?

In ethical hacking, what does “without authorization” generally imply for legality?

What is the purpose of a Safe Harbor clause in a vulnerability disclosure or bounty program?

Which activity is typically out of scope for standard penetration tests unless explicitly allowed?

More from Ethical hacking

Master Interviews
Anywhere, Anytime