V2EX argon2

Argon2

定义 Definition

Argon2:一种用于密码哈希(password hashing)与密钥派生(KDF)的算法,特点是内存硬(memory-hard)、可调参数(时间成本、内存成本、并行度),旨在提高对暴力破解、GPU/ASIC 并行攻击的抵抗力。常用于安全地存储用户密码的哈希值。(另有不同变体如 Argon2id、Argon2i、Argon2d。)

发音 Pronunciation

/rn tu/

例句 Examples

Argon2 is used to hash passwords securely.
Argon2 用于安全地对密码进行哈希处理。

To reduce the risk of offline cracking, the developer chose Argon2id with a higher memory cost and tuned parameters for the production server.
为降低离线破解风险,开发者选择了 Argon2id 并提高内存成本,同时为生产服务器调优了相关参数。

词源 Etymology

“Argon2”是算法名称,其中“Argon”原指“氩”(一种惰性气体),常被理解为强调“惰性/稳定”的意象;“2”表示第二代/版本。Argon2 由研究团队在 Password Hashing Competition(密码哈希竞赛,PHC) 中提出并于 2015 年获胜,随后在安全工程实践与标准文档中被广泛采用。

相关词 Related Words

文学与著作 Literary Works

  • Argon2: the memory-hard function for password hashing and other applications(Argon2 原始论文/说明文档)
  • RFC 9106: Argon2 Memory-Hard Function for Password Hashing and Proof-of-Work Applications(IETF 标准文档)
  • OWASP Password Storage Cheat Sheet(OWASP 密码存储实践指南,提及并推荐相关方案)
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