V2EX cryptography

Cryptography

释义 Definition

cryptography 是名词,指密码学,即研究信息加密与解密技术的学科。广义上也指编写或破解密码的技术和实践。

发音 Pronunciation

/krptrfi/(英式) /krptrfi/(美式)

例句 Examples

Cryptography is essential for keeping online transactions safe.
密码学对于保障在线交易的安全至关重要。

Modern cryptography relies on complex mathematical algorithms that would take even the most powerful computers millions of years to crack.
现代密码学依赖于复杂的数学算法,即使是最强大的计算机也需要数百万年才能破解。

词源 Etymology

该词源自希腊语,由 kryptós(隐藏的)和 graphein(书写)组合而成,字面意思是"隐秘的书写"。这个词在17世纪进入英语,最初指代用秘密符号书写信息的技术。随着计算机时代的到来,密码学的含义扩展到了数字信息的加密与保护领域。

相关词汇 Related Words

文学作品引用 Literary References

  • Edgar Allan Poe 的短篇小说 The Gold-Bug(《金甲虫》,1843)中大量涉及密码破译的情节,是文学史上最早以密码学为核心的作品之一。
  • Simon SinghThe Code Book(《密码故事》,1999)详尽地讲述了从古代到现代密码学的发展历程。
  • Dan Brown 的小说 Digital Fortress(《数字城堡》,1998)围绕美国国家安全局的密码学技术展开。
  • Neal StephensonCryptonomicon(《编码宝典》,1999)以二战时期的密码破译和现代数据加密为双线叙事。
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