chosen-ciphertext attack

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

ciphertext-only attack, known-plaintext attack, chosen-plaintext attack

Translations

cryptanalytic attack

Finnish: valittuun salatekstiin perustuva hyökkäys

This article is issued from Wiktionary. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.