ISO/IEC 10118-3:2018 信息技术 保密技术 散列函数 第3部分：专用散列函数

标准编号：ISO/IEC 10118-3:2018

中文名称：信息技术 保密技术 散列函数 第3部分：专用散列函数

英文名称：IT Security techniques — Hash-functions — Part 3: Dedicated hash-functions

发布日期：2018-10

标准范围

ISO/IEC 10118-3:20 18本文件规定了专用散列函数，即专门设计的散列函数。本文档中的散列函数基于循环函数的迭代使用。指定了不同的舍入函数，从而产生不同的专用散列函数。在新的数字签名实现中不推荐使用专用散列函数1、2和3。注意，由于它们的短散列代码长度和/或密码分析结果，专用散列函数1、2和3不能为将来的数字签名应用提供足够的抗碰撞水平，因此它们仅可用于传统应用。然而，对于不需要抗碰撞性的应用，例如在ISO/IEC 9797中规定的散列函数中？2，或在ISO/IEC 11770中规定的关键推导功能中？6，不反对使用它们。附录B中给出了本文档中指定的专用散列函数的数值示例作为附加信息。仅供参考，附录C中规定了SHA-3可扩展输出函数。

ISO/IEC 10118-3:2018 This document specifies dedicated hash-functions, i.e. specially designed hash-functions. The hash-functions in this document are based on the iterative use of a round-function. Distinct round-functions are specified, giving rise to distinct dedicated hash-functions.
The use of Dedicated Hash-Functions 1, 2 and 3 in new digital signature implementations is deprecated.
NOTE As a result of their short hash-code length and/or cryptanalytic results, Dedicated Hash-Functions 1, 2 and 3 do not provide a sufficient level of collision resistance for future digital signature applications and they are therefore, only usable for legacy applications. However, for applications where collision resistance is not required, such as in hash-functions as specified in ISO/IEC 9797？2, or in key derivation functions specified in ISO/IEC 11770？6, their use is not deprecated.
Numerical examples for dedicated hash-functions specified in this document are given in Annex B as additional information. For information purposes, SHA-3 extendable-output functions are specified in Annex C.

标准预览图