Word of the Day – April 9, 2026
hash function
Definitions
| Type | Definition | Sources |
|---|---|---|
| Noun | An algorithm, a function, that maps or translates one set of bits into another (generally smaller) so that a message yields the same result every time the algorithm is executed using the same message as input. This function creates a hash value from binary input. The hash is substantially smaller than the text itself, and is generated by the hash function in such a way that it is extremely unlikely that some other input will produce the same hash value. Approved hash functions satisfy the following properties: • One-Way. It is computationally infeasible to find any input that maps to any pre-specified output. • Collision Resistant. It is computationally infeasible to find any two distinct inputs that map to the same output. (used 24 times in citations and controls) |
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| Noun | A function that maps a bit string of arbitrary length to a fixed length bit string. Approved hash functions are specified in FIPS 180 and are designed to satisfy the following properties: • (One-way) It is computationally infeasible to find any input that maps to any new prespecified output, and • (Collision resistant) It is computationally infeasible to find any two distinct inputs that map to the same output. (used 0 times in citations and controls) | |
| Noun | A mathematical function that maps a string of arbitrary length (up to a predetermined maximum size) to a fixed length string. (used 0 times in citations and controls) |
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Other Forms
| Type | Other Form |
|---|---|
| Plural | hash functions |
| Plural Possessive | hash functions' |
| Possessive | hash function's |
Relationships
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Citations
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