V2EX keccak

KECCAK

Definition / 释义

Keccak:一种密码学哈希函数(散列算法)家族,采用“海绵结构(sponge construction)”。它被美国 NIST 选为 SHA-3 标准的基础;在区块链领域也常指 Keccak-256(以太坊常用的变体)。

Pronunciation / 发音

/ktk/

Examples / 例句

Keccak is used to compute a hash from this message.
Keccak 用来从这条消息计算出一个哈希值。

In Ethereum, addresses and transaction data are often processed with Keccak-256 to produce fixed-length digests that help verify integrity.
在以太坊中,地址和交易数据常用 Keccak-256 处理,生成定长摘要,以帮助验证数据完整性。

Etymology / 词源

“Keccak”是该算法设计者(如 Guido Bertoni、Joan Daemen 等)为其哈希函数家族取的名称,通常被认为与印尼巴厘岛的“kecak”(一种合唱舞/吟唱)这一词形有关,是一种带有变体拼写的命名方式;后来因其成为 SHA-3 的核心而广为人知。

Related Words / 相关词

Notable Works / 作品出处

  • FIPS PUB 202: SHA-3 Standard(NIST 标准文件,正式采用 Keccak 结构定义 SHA-3)
  • The Keccak Reference(Keccak 参考规范/说明文档)
  • The Sponge and Duplex Construction(介绍海绵结构与相关安全性分析的论文/技术文献)
  • Mastering Ethereum(区块链技术书籍,讨论以太坊中对 Keccak-256 的使用)
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