One-Way Function

nouncandidate·updated May 9, 2026

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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.

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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.