Message authentication code (MAC) hash functions are commonly used with digital signatures to sign data, while message detection code (MDC) hash functions are used for data integrity.是什么意思_Message authentication code (MAC) hash functions are commonly used with digital signatures to sign data, while message detection code (MDC) hash functions are used for data integrity.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句