preimage attack

Fetched 2026-10-26 (cache).

Datamuse reports no synonyms or antonyms for this word.

Noun

1. {{lb|en|cryptography}} An [[attack]] on a cryptographic [[hash function]] that is able to find a [[preimage]] for a hash; that is, it is able to determine (faster than by [[brute force]]) some input that results in a known hash when passed through the algorithm.

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.