preimage attack

noun

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.

Meanings

nounpreimage attack (plural preimage attacks)

plural preimage attacks

  1. computingAn 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.

Translations

Finnish alkukuvahyökkäys
  • alkukuvahyökkäysattack on a hash function
Cite this entry
APA

preimage attack. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/preimage%20attack

MLA

“preimage attack.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/preimage%20attack. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “preimage attack,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/preimage%20attack.

Source: preimage attack on Wiktionary, CC BY-SA 4.0.