The HFE cryptosystem presented by Jacques Patarin in 1996 has long been regarded as the most promising one of multivariate cryptosystems,and is a promising public key cryptosystem with many practical applications:very fast or very short digital signatures,fast public key encryption,etc.

多變量密碼系統(tǒng)設(shè)計(jì)與分析是近年來密碼學(xué)研究領(lǐng)域中的一個(gè)非吵鲈谙呷似廾夥眩活躍的研究方向国产精品湿润，其中基于有限域上多變量二次方程組的求解問題設(shè)計(jì)密碼系統(tǒng)并對其進(jìn)行分析是這一方向的一個(gè)重要內(nèi)容。