known-plaintext attack
English
Noun
known-plaintext attack (plural known-plaintext attacks)
- (cryptography) An attack on a cryptosystem that relies on the attacker's knowledge of not just some ciphertexts encrypted with that system and key, but also their corresponding plaintexts (cribs). More powerful than a ciphertext-only attack, but less powerful than a chosen-plaintext attack.
Synonyms
- KPA (initialism)
Coordinate terms
- ciphertext-only attack, chosen-plaintext attack, chosen-ciphertext attack
Translations
cryptanalytic attack
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