plaintext attack

[/ˈpleɪntɛkst əˈtæk/]
nounpl: plaintext attacks
ataque de texto plano
1. A cryptanalytic attack in which the attacker has access to both plaintext and its corresponding ciphertext, using this information to deduce the encryption key or method
A known plaintext attack allowed the cryptographer to identify patterns in the encryption algorithm.
Um ataque de texto plano conhecido permitiu ao criptógrafo identificar padrões no algoritmo de criptografia.
2. A type of security breach where an attacker obtains unencrypted data that corresponds to encrypted data they already possess
The security team discovered a plaintext attack had compromised their messaging system.
A equipe de segurança descobriu que um ataque de texto plano havia comprometido seu sistema de mensagens.
This is specialized terminology primarily used in cybersecurity, cryptography, and computer science fields in both Brazil and the USA. It's rarely used in everyday conversation and is primarily found in technical documentation, academic papers, and security industry discussions.
Synonyms / Sinônimos
known plaintext attackKPAchosen plaintext attack
Antonyms / Antônimos
ciphertext-only attack

Regional Variations

General Brazilian
ataque de texto plano
Standard technical term used in cybersecurity and cryptography fields
Portugal
ataque de texto claro
Alternative Portuguese usage, where 'claro' is used instead of 'plano'
Technical Communities
ataque KPA (Known Plaintext Attack)
Often used with the English acronym in technical documentation

Related Words

ciphertextencryptioncryptanalysisdecryptioncipher

Related Idioms & Phrases

break the cipher
crack the code
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