message authentication code
[/ˈmɛsɪdʒ ɔːˌθɛntɪˈkeɪʃən koʊd/]
nounpl: message authentication codes
código de autenticação de mensagem
1. A cryptographic checksum or tag used to verify both the authenticity and integrity of a message, ensuring that the message has not been altered and originates from a legitimate sender
The message authentication code ensures that the transmitted data has not been tampered with during transmission.
O código de autenticação de mensagem garante que os dados transmitidos não foram alterados durante a transmissão.
2. A short piece of information appended to a message that is computed using a secret key and the message content, allowing the receiver to verify the message's origin and integrity
The server generates a message authentication code using HMAC-SHA256 to protect sensitive communications.
O servidor gera um código de autenticação de mensagem usando HMAC-SHA256 para proteger comunicações sensíveis.
This is a specialized technical term used primarily in cybersecurity, cryptography, and information technology fields. The acronym MAC is universally recognized and used in both English-speaking and Portuguese-speaking technical communities. In Brazil, the full Portuguese term is often used in academic contexts, while the English abbreviation MAC is prevalent in industry and technology sectors.
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