A cryptographic hash function is a mathematical algorithm that maps data of arbitrary size to a bit array of a fixed size. It is a one-way function, meaning it is practically infeasible to invert.
Core Properties
- Deterministic: The same input always produces the same hash.
- Quick Computation: Computing the hash value is fast.
- Pre-image Resistant: Infeasible to find the input from its hash.
- Collision Resistant: Infeasible to find two different inputs that produce the same hash.
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