V2EX digital-signature

Digital Signature

Definition|释义

数字签名:一种用密码学方法生成的“电子签名”,用于验证信息的发送者身份并确保证据完整性(内容未被篡改),通常基于公钥/私钥体系。

Pronunciation|发音(IPA)

/ddtl sntr/

Examples|例句

We added a digital signature to the document.
我们给这份文件加上了数字签名。

The contract is considered valid only if the digital signature can be verified with the signer’s public key and the signed data matches exactly.
只有当能用签署者的公钥验证数字签名,并且签名的数据与原文完全一致时,这份合同才被视为有效。

Etymology|词源

digital 来自拉丁语 digitus(“手指”),引申为“数字/数码的”;signature 源自拉丁语 signare(“做标记、签署”)。合在一起的 digital signature 指“以数字技术(密码学)实现的签署标记”,强调可验证性与防篡改。

Related Words|相关词

Literary Works|作品与著作中的用例

  • Applied Cryptography(Bruce Schneier,《应用密码学》)
  • Cryptography Engineering(Ferguson, Schneier, Kohno,《密码工程》)
  • Introduction to Modern Cryptography(Katz & Lindell,《现代密码学导论》)
  • RFC 5280(X.509 证书与公钥基础设施标准文档,讨论签名与验证)
  • FIPS 186-4(Digital Signature Standard,数字签名标准)
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