V2EX cypher

Cypher

释义 Definition

cypher(也常写作 cipher):指“密码、暗号”,即用来把信息加密/解密的一套方法或编码系统;也可指“用密码写成的文字”。(另有较少见义:指“零、无足轻重的人”。)

发音 Pronunciation (IPA)

/safr/

例句 Examples

She wrote the message in a cypher.
她用密码写下了那条信息。

The diplomat relied on a complex cypher to transmit sensitive reports without interception.
那位外交官依靠一套复杂的密码系统来传递敏感报告,以避免被截获。

词源 Etymology

cypher/cipher 源自阿拉伯语 ifr(意为“零、空”),经中世纪拉丁语与法语传播进入英语。由于“零/空位”的概念与数字记号、编码体系有关,后来引申出“密码、暗号”的含义。

相关词 Related Words

文学作品 Literary Works

  • Edgar Allan PoeThe Gold-Bug》(《金甲虫》):情节核心涉及破译密码(cipher/cypher)。
  • Arthur Conan DoyleThe Adventure of the Dancing Men》(《跳舞的小人》):故事围绕加密符号与破译展开,常以 cipher 一类词汇讨论“密码/暗号”。
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