V2EX public-key

Public-key

释义 Definition

公钥的;(密码学中)公钥(public key):用于加密或验证签名的密钥,可公开分发,通常与一把保密的私钥(private key)成对使用。(更广义上也可指“公开的、对公众开放的”,但此处最常见为密码学义。)

发音 Pronunciation

/pblk ki/

例句 Examples

Public-key cryptography lets you share your key safely.
公钥密码学让你可以更安全地共享密钥。

The website uses a public-key certificate so browsers can verify the server’s identity and set up encrypted connections.
该网站使用公钥证书,使浏览器能够验证服务器身份并建立加密连接。

词源 Etymology

public 来自拉丁语 publicus(“公共的、公众的”);key 原义为“钥匙”,引申为“关键、密钥”。在现代密码学中,“key”被用作“加密/解密用的密钥”,组合成 public-key,强调“可以公开发布的那把密钥”,与需要保密的 private key 相对。

相关词 Related Words

文学作品中的用例 Literary Works

  • Neal Stephenson,《Cryptonomicon》(《密码宝典》)涉及密码学与密钥等概念(常见于“public key/public-key”相关语境)。
  • Bruce Schneier,《Applied Cryptography》(《应用密码学》)系统讨论公钥密码与数字签名(书中常出现 public key 相关表述)。
  • Cory Doctorow,《Little Brother》(《少年黑客》)涉及加密与数字身份等主题(常出现 public key、certificate 等相关词汇)。
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