authentication code

常見例句

The message digest (also called the message authentication code) is computed using a hash function.
消息摘要（又稱消息認(rèn)證代碼）是用散列函數(shù)計(jì)算的。
As mentioned above, there are two common technologies used to satisfy the requirement of message authentication: the Message Authentication Code and the digital signature.
正如上文所提到的，為滿足消息身份驗(yàn)證的要求，用到了兩項(xiàng)通用技術(shù)：消息身份驗(yàn)證代碼（Message Authentication Code）和數(shù)字簽名。
Forms authentication not only writes the user's name into the cookie, it adds a message authentication code (a hash formed from the cookie and a secret value that only the Web server knows).
表單驗(yàn)證不僅將用戶名寫入Cookie，它還寫入信息驗(yàn)證碼（一種來自Cookie和只有服務(wù)器知道的密值的散列形式）。

Authentication can be done via code entry or NFC (or there's WPS too).
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This increases the level of security by preventing reverse engineering of an authentication service process or preventing attacks that try to modify this code.
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Finally, the plan makes multi-factor authentication available to website owners for the cost of adding a few lines of software to their server code.
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