chosen-ciphertext attack
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English
Noun
chosen-ciphertext attack (plural chosen-ciphertext attacks)
- (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.
- The ElGamal encryption system is resistant against chosen-plaintext attacks, but not against chosen-ciphertext attacks.
Synonyms
- CCA (initialism)
Coordinate terms
Translations
cryptanalytic attack
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