V2EX challenge-response

Challenge-response

释义 Definition

(计算机安全/身份认证)“挑战-响应”机制:系统先发出一个随机或特定的“挑战”(challenge),用户/设备再计算并返回正确的“响应”(response)以证明身份或持有密钥;常用于避免明文密码传输与重放攻击。

发音 Pronunciation (IPA)

/tlnd rspns/

例句 Examples

The server uses a challenge-response method to verify your login.
服务器使用挑战-响应方法来验证你的登录。

In many authentication protocols, a nonce-based challenge-response exchange helps prevent replay attacks even if an attacker can observe the traffic.
在许多认证协议中,基于随机数(nonce)的挑战-响应交互即使在攻击者能观察通信的情况下,也有助于防止重放攻击。

词源 Etymology

challenge(“挑战、质询”)与 response(“回应、响应”)组合而成的复合术语。在密码学与计算机网络领域中,它特指一种“先提问、再作答”的认证思路:用动态挑战迫使对方给出可验证的计算结果,从而证明“你是谁/你拥有什么”。

相关词 Related Words

文学与典籍 Literary Works

  • Applied Cryptography(Bruce Schneier)讨论多种认证方案与挑战-响应思想
  • Cryptography Engineering(Ferguson, Schneier, Kohno)在工程化安全设计中涉及挑战-响应认证
  • Handbook of Applied Cryptography(Menezes, van Oorschot, Vanstone)涵盖认证协议与相关机制
  • RFC 2617: HTTP Authentication: Basic and Digest Access Authentication 以“challenge”和“response”形式规定了摘要认证的交互流程
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