V2EX authentication code

Authentication Code

释义 Definition

认证码 / 验证码:用于确认用户身份或验证操作合法性的一串字符或数字,常见于登录、支付、找回密码等场景(如短信验证码、一次性口令)。在密码学语境中也可指消息认证码(Message Authentication Code, MAC),用于验证消息未被篡改且来自可信来源。

发音 Pronunciation (IPA)

/θen.tke.n kod/

例句 Examples

Please enter the authentication code we sent to your phone.
请输入我们发送到你手机上的认证码。

After the system detected unusual activity, it required an authentication code in addition to the password to complete the sign-in.
系统检测到异常活动后,除了密码外还要求输入认证码才能完成登录。

词源 Etymology

authentication 来自 authenticate(证明……为真、验证身份),其词根与希腊语/拉丁语中表示“真实、权威”(authentic/us)相关;code 指“编码、代码、符号串”。合在一起,“authentication code”字面意思就是“用于验证真伪/身份的代码”,在现代互联网安全中通常指一次性或短时有效的验证码。

关词 Related Words

文学与著作中的用例 Literary Works

  • Applied Cryptography(Bruce Schneier):讨论认证机制与消息认证码等概念时会使用相关术语。
  • Cryptography Engineering(Niels Ferguson, Bruce Schneier, Tadayoshi Kohno):涉及认证、验证码/令牌与MAC等安全设计。
  • RFC 2104:HMAC: Keyed-Hashing for Message Authentication(以“message authentication code/认证码”作为核心术语)。
  • NIST SP 800-63(Digital Identity Guidelines):在数字身份认证流程中涉及验证码、一次性口令等“authentication code”类概念。
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