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电子学报  2012 

基于MI和TPM混合的多变量数字签名方案

DOI: 10.3969/j.issn.0372-2112.2012.10.020, PP. 2021-2025

Keywords: 多变量公钥密码,数字签名,MI,TPM

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Abstract:

本文基于MI和TPM两类多变量公钥密码的公钥,利用"减"方法将其混合,提出了多变量数字签名方案的中心映射构造新方法,给出了基于MI和TPM混合的多变量数字签名方案,该方案能够有效抵抗高阶线性化方程攻击、秩攻击、XL&Grbner基攻击、差分攻击等现有典型攻击,并且与Rainbow、Sflashv2等典型多变量数字签名方案相比,在签名长度、密钥存储规模等方面具有优势.

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