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)証代碼）是用散列函數(shù)計算的。
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，爲(wèi)滿足消息身份騐証的要求，用到了兩項通用技術(shù)：消息身份騐証代碼（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).
表單騐証不僅將用戶名寫入Cookie，它還寫入信息騐証碼（一種來自Cookie和衹有服務(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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