chosen-plaintext attack

noun

An attack on a cryptosystem that relies on the attacker's ability to choose any plaintext of their liking and encrypt it into the corresponding ciphertext with that system and key. More powerful than a known-plaintext attack but less powerful than a chosen-ciphertext attack.

Similar
CPA
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Meanings

nounchosen-plaintext attack (plural chosen-plaintext attacks)

plural chosen-plaintext attacks

  1. computingAn attack on a cryptosystem that relies on the attacker's ability to choose any plaintext of their liking and encrypt it into the corresponding ciphertext with that system and key. More powerful than a known-plaintext attack but less powerful than a chosen-ciphertext attack.

    Synonyms: CPA

Synonyms & antonyms

nounAn attack on a cryptosystem that relies on the attacker's ability to choose any plaintext of their liking and encrypt it into the corresponding ciphertext with that system and key. More powerful than a known-plaintext attack but less powerful than a chosen-ciphertext attack.

Similar
CPA

Translations

Finnish valittuun selkotekstiin perustuva hyökkäys
  • valittuun selkotekstiin perustuva hyökkäyscryptanalytic attack
Cite this entry
APA

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

MLA

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

Chicago

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

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