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
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