However , elliptic curve cryptosystems , based on both of the finite fields mentioned above , have computational difficulties 但是建立在这两类有限域上的椭圆曲线密码体制，在微机上实现的速度都比较慢。
Determining the number of irreducible polynomials over a field of a given period and constructing irreducible polynomials of high degree 确定有限域上给定周期的不可约多项式的个数以及利用低次不可约多项式构造高次不可约多项式
In this paper , we study two kinds of error - correcting codes . one kind is cyclic code over finite chain rings , and the other is sdq ( b ) code over finite fields 本文研究了有限链环上的循环码和有限域上的sd _ q ( b )码这两类纠错码。
A construction of authentication codes with arbitration from subspace of vector space over finite fields is presented , the parameters of the code are computed 摘要利用有限域上向量空间的子空间构作了一个具有仲裁的认证码，计算了这个码的参数。
Through analyzing the different structure of finite fields （ 、 、 、 ） , we insist to find optimal finite fields for software applications 本文通过对不同结构的有限域（ 、 、 、 ）的分析来寻找一种最有利于软件实现的有限域、并在其上实现快速运算。
Including the importing of the elliptic ctirve , the geometrical meaning of the operation on the curve , the finite fie1ds and domain parameters on the curve 包括椭圆曲线的引入、曲线上运算的几何意义、有限域上的椭圆曲线以及椭圆曲线域参数的含义。
The key to finding a useful elliptic curve for elliptic curve cryptosystem ( ecc ) is to compute the order of elliptic curve rational points group over a finite field 寻找对椭圆曲线公钥体制( ecc )有用的椭圆曲线，关键在于求有限域上椭圆曲线有理点群的阶。
In the paper we studied the added mass of the ship when entering and leaving the chamber of the ship - lifter of three gorges project , based on a 3d model 本文研究的是三峡升船机中船在进出承船厢时的附加质量问题，该问题是属于物体在有限域中运动的附加质量问题。
The techniques for constructing extension fields are typically more involved than those for constructing prime fields and draw largely from the theory of polynomials over finite fields 构造扩展域的技术比那些构造素数域的要复杂的多，而且大多数是建立在基于有限域的多项式理论基础上的。
Expatiate on the ideas and methods of constructing elliptic curve cryptosystem over finite field f2m , build an elliptic curve cryptosystem which is easy to implement and secure 论述了建立有限域f2m上的椭圆曲线密码体制的思想及方法，建立了一种便于实现的、安全简便的椭圆曲线密码体制。
