second preimage attack

noun

An attack on a cryptographic hash function that is able to find a second preimage for a hash and its preimage; that is, given a hash and an input that has that specific hash, it is able to find (faster than by brute force) another input with the same hash.

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Meanings

nounsecond preimage attack (plural second preimage attacks)

plural second preimage attacks · alternative second-preimage attack

  1. computingAn attack on a cryptographic hash function that is able to find a second preimage for a hash and its preimage; that is, given a hash and an input that has that specific hash, it is able to find (faster than by brute force) another input with the same hash.

Translations

Finnish toinen alkukuva -hyökkäys
  • toinen alkukuva -hyökkäysattack on a hash function
Cite this entry
APA

second preimage attack. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/second%20preimage%20attack

MLA

“second preimage attack.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/second%20preimage%20attack. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “second preimage attack,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/second%20preimage%20attack.

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