发表刊物：IACR Transactions on Symmetric Cryptology

关键字：ISO/IEC 9797-1, Beyond Birthday Bound Security, XOR Combiner

摘要：ISO/IEC 9797-1 is an international standard for block-cipher-based Message Authentication Code (MAC). The current version ISO/IEC 9797-1:2011 specifies six single-pass CBC-like MAC structures that are capped at the birthday bound security. For a higher security that is beyond-birthday bound, it recommends to use the concatenation combiner of two single-pass MACs. In this paper, we reveal the invalidity of the suggestion, by presenting a birthday bound forgery attack on the concatenation combiner, which is essentially based on Joux’s multi-collision. Notably, our new forgery attack for the concatenation of two MAC Algorithm 1 with padding scheme 2 only requires 3 queries. Moreover, we look for patches by revisiting the development of ISO/IEC 9797-1 with respect to the beyond-birthday bound security. More specifically, we evaluate the XOR combiner of single-pass CBC-like MACs, which was used in previous version of ISO/IEC 9797-1.

第一作者：沈耀斌

论文类型：Journal article (JA)

学科门类：工学

文献类型：J

卷号：2019

期号：2

页面范围：146–168

ISSN号：2519-173X

是否译文：否

发表时间：2019-06-11