home/glossary/One-Way Function

One-Way Function

nounid 3425·updated May 9, 2026
candidate

A (mathematical) function, f, which is easy to compute the output based on a given input. However given only the output value it is impossible (except for a brute force attack) to figure out what the input value is.

MWE

Classifications

Entity Type

Control75%llm-generatedllm:claude-haiku-4-5

Sensitivity

unclassified

Information Class

unclassified

Variants

plural
One-Way Functions
possessive
One-Way Function's
pluralpossessive
One-Way Functions'

Framework definitions

SANS Glossary of Security Terms1 senseview framework →
§1
A (mathematical) function, f, which is easy to compute the output based on a given input. However given only the output value it is impossible (except for a brute force attack) to figure out what the input value is.

Outgoing relationships

No outgoing triples
This term is not the subject of any RDF-style relationship yet.

Incoming relationships

No incoming triples
No other term currently asserts a relationship to this one.