一种产生单向分解值的算法

由于 12 8位的单向分解值将越来越不能满足信息安全的需要 ,本文提出了一种利用伪随机序列产生单向分解值的算法。该算法利用 2 5 6个不同的数所随机组成的不同排列来产生一个 2 5 6位的单向分解值。由于 2 5 6 !=8.5 78× 10 50 6,所以在这个巨大空间上可以方便地设计安全的单向分解值变换 ,从而可以取代MD5应用于对身份认证要求较高的场合

A one way hash function algorithm

Using pseudo-random sequences, an algorithm of 256-bit one way hash function is put forward in this paper, for it is more and more not ample for 128-bit algorithm to keep up with the demand of information security. Making use of various random permutable pattern, which is composed of 256 different elements, the algorithm can produce a 256-bit one way hash value. Because 256!= 8.578×10 506 , a secure transforming algorithm can be designed easily based on the enormous space. Instead of MD5, it can be used in more authenticated occasion.