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chosen-ciphertext attack

chosen-ciphertext attack noun: 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.

Noun

chosen-ciphertext attack (plural chosen-ciphertext attacks)

  1. 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.
    • The ElGamal encryption system is resistant against chosen-plaintext attacks, but not against chosen-ciphertext attacks.
    Synonyms:
    CCA

Synonyms of chosen-ciphertext attack

Forms of chosen-ciphertext attack

pluralchosen-ciphertext attacks

Questions about chosen-ciphertext attack

What does chosen-ciphertext attack mean?
Chosen-ciphertext attack means 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.
What part of speech is chosen-ciphertext attack?
Chosen-ciphertext attack is a noun.
What is the plural of chosen-ciphertext attack?
The plural of chosen-ciphertext attack is chosen-ciphertext attacks.

Words near chosen-ciphertext attack in the dictionary

  1. chosen race
  2. chosen sides
  3. chosen the wrong horse
  4. chosen up
  5. chosen violence
  6. chosen-ciphertext attack
  7. chosen-ciphertext attacks
  8. chosen-plaintext attack
  9. chosen-plaintext attacks
  10. chosenhood
  11. chosenite

Source and license

Adapted from Wiktionary: chosen-ciphertext attack (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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