V2EX sha-3

SHA-3

Definition / 释义

SHA-3(Secure Hash Algorithm 3,安全散列算法第3版)是一组由美国 NIST 标准化的加密哈希函数(基于 Keccak 结构),用于把任意长度的数据映射为固定长度的“摘要”(如 224/256/384/512 位)。常用于数据完整性校验、数字签名、密码学协议等。(注:它与 SHA-2 同属安全哈希标准,但内部结构不同。)

Pronunciation / 发音

/ θri/

Etymology / 词源

“SHA”是 Secure Hash Algorithm(安全散列算法)的缩写,“3”表示该系列的第三代标准。SHA-3 源自 Keccak 算法,在 NIST 举办的公开竞赛中胜出,后被写入标准(如 FIPS 202)。

Examples / 例句

We used SHA-3 to hash the password before storing it.
我们在存储密码前先用 SHA-3 对其进行哈希处理。

In our security audit, the team recommended migrating from older hash functions to SHA-3 for stronger, standardized integrity checks across services.
在我们的安全审计中,团队建议从较旧的哈希函数迁移到 SHA-3,以便在各项服务中获得更强且标准化的完整性校验。

Related Words / 相关词

Notable Works / 文学与著作例证

  • **FIPS PUB 202: SHA-3 Standard: Permutation-Based Hash and Extendable-Output Functions**(NIST 标准文档,正式定义 SHA-3)
  • NIST Special Publications(NIST 系列密码学出版物)(多处讨论 SHA-3 的应用与推荐场景)
  • The Keccak Reference / Keccak 团队技术文档(介绍 Keccak 及其与 SHA-3 的关系与设计细节)
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