chosen-ciphertext attack

Fetched 2026-10-26 (cache).

Datamuse reports no synonyms or antonyms for this word.

Noun

1. {{lb|en|cryptography}} An [[attack]] on a [[cryptosystem]] that relies on the attacker's ability to choose any [[ciphertext]] of their liking and decrypt it into the corresponding [[plaintext]] with that system and key. More powerful than a [[chosen-plaintext attack]].

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