English Explanatory Dictionary

known-plaintext attack

English dictionary entry

Meanings

noun
  1. 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.

Word forms

known-plaintext attack known-plaintext attacks

Synonyms

KPA
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