known-plaintext attack

English

Noun

known-plaintext attack (plural known-plaintext attacks)

1. (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

• Finnish: tunnettuun selkotekstiin perustuva hyökkäys