V2EX ctap

CTAP

释义 Definition

CTAPClient to Authenticator Protocol 的缩写,指“客户端到认证器协议”:一种让电脑/手机等客户端与外部或内置的认证器(如安全密钥、指纹/人脸模块)通信的协议,常用于 FIDO2 / WebAuthn 的无密码登录与强身份验证。(该缩写也可能在其他领域有不同含义,但计算机安全语境中以上最常见。)

发音 Pronunciation (IPA)

/si ti e pi/

例句 Examples

CTAP lets my laptop talk to a security key for login.
CTAP 让我的笔记本电脑在登录时能与安全密钥通信。

In a WebAuthn setup, the browser uses CTAP2 to communicate with an external authenticator over USB or NFC, reducing the risk of phishing.
在 WebAuthn 配置中,浏览器通过 CTAP2 经由 USB 或 NFC 与外部认证器通信,从而降低网络钓鱼风险。

词源 Etymology

CTAP 来自首字母缩写 Client to Authenticator Protocol,描述“客户端(Client)到认证器(Authenticator)”之间的通信协议。它由 FIDO 生态推动,常见版本包括 CTAP1(与 U2F 相关)CTAP2(与 FIDO2/WebAuthn 相关)

相关词 Related Words

文学与著名作品 Literary / Notable Works

  • FIDO Alliance: Client to Authenticator Protocol (CTAP) Specification(FIDO 联盟技术规范文档)
  • W3C: Web Authentication (WebAuthn) An API for accessing Public Key Credentials(W3C 标准文档,相关流程常与 CTAP2 配合出现)
  • *NIST Digital Identity Guidelines (SP 800-63)*(美国 NIST 数字身份指南,涉及与硬件认证/抗钓鱼相关的认证方法背景)
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