ciphertext-only attack

English

Noun

ciphertext-only attack (plural ciphertext-only attacks)

(cryptography) An attack on a cryptosystem that relies only on the attacker's knowledge of some ciphertexts encrypted with that system and key. Less powerful than a known-plaintext attack.

Synonyms

known-ciphertext attack
COA (initialism)

Coordinate terms

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

Translations

cryptanalytic attack

Finnish: vain salatekstiin perustuva hyökkäys

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