logarithm n. 【数学】对数。 common logarithms 常用对数。 general logarithms 普通对数。 natural logarithm自然对数。 the table of logarithms 对数表。
discrete adj. 1.分离的,分立的;显然有别的。 2.不连续的;【数学】离散的;【哲学】抽象的 (opp. concrete)。 A nebula is really a discrete mass of innumerous stars. 一团星云实际上是无数星体不连续的集合体。 adv. -ly
The efficiency of this scheme is higher than the schemes based on eclipse curve discrete logarithm problem ( ecdlp ) , and the required band is narrower than theirs so it works well in rigorous environment 该方案的效率略高于同类的椭圆曲线离散对数问题( ecdlp )方案,同时加密结果也较小,可适用于带宽要求较小的环境。
A considerable large part of the principle of elliptic curve is described , and a comparison of elliptic curve discrete logarithm problem ( ecdlp ) and conventional discrete logarithm problem is also given 本文对椭圆曲线的原理进行了深入的研究,比较了椭圆曲线离散对数问题( ecdlp )与一般离散对数问题( dlp )的异同。
Elliptic curve cryptosystem is one of the most important , cryptosystems , which is obtained by substituting finite group of elliptic curve on finite field for finite group of cryptosystem based on discrete logarithm problem 椭圆曲线密码体制是用有限域上的椭圆曲线有限群,代替基于离散对数问题密码体制中的有限群所得到的一类密码体制。
The difficulties of elliptic curve discrete logarithm problem and safety of 3 - des encryption is analyzed in detail . this cryptographic system applies a key exchange scheme based on ecc and trusty data encryption algorithm 文章最后分析了该密码系统的安全性,对椭圆曲线离散对数问题的难解性以及三重des加密算法的安全性作了较详细的分析。
This scheme is based on the elliptic curve discrete logarithm , which is one of the mathematic puzzles . compared with other cipher systems , it has shorter length of secret key and grouping in the same security intensity 该体制是建立在椭圆曲线离散对数问题这一数学难题之上的,和其它密码体制相比较而言在同等安全强度下具有小得多的秘钥长度及分组长度。
Implement a digital signature scheme based on elliptic curve cryptosystem . the safety of this scheme is based on the elliptic curve discrete logarithm of non - supersingular elliptic curve over finit field , which has no efficient attack up to now 实现了一种基于椭圆曲线密码体制的数字签名方案。这种方案是建立在目前还没有有效攻击方法的有限域上非超奇异椭圆曲线离散对数问题之上的。
3 . look into basic identification schemes , present and implement a identification scheme based on certificate data . the scheme is provably secure if the underlying primitive - discrete logarithm problem is a hard problem , together with the existence of collision free hash functions 对身份认证方法进行分析,设计并实现了基于离散对数困难问题( dlp ) ,辅以hash函数和公钥证书进行身份确认的身份认证方法。
The knapsack public key cryptosystem based on np completeness problem and the elliptic curve cryptography ( ecc ) based on discrete logarithm problem ( dlp ) are two significant ones , which plays an crucial role in the development and research of computer cryptology 基于np完全问题的背包公钥密码和基于离散对数问题的椭圆曲线密码( ecc )是两种著名的公钥密码系统,在计算机密码学的发展和研究中具有十分重要的地位。
The security of elliptic curve cryptography ( ecc ) depends on the intractability of the elliptic curve analogue of the discrete logarithm problem . ecc has gained increasing popularity in public key cryptography , because of its computation and storage 椭圆曲线密码是基于椭圆曲线离散对数难题的一种密码体制,由于它在运算量和安全性方面的优势,是目前最具有广泛应用前景的一种公钥密码体制,近几年一直是人们的研究热点。
Abstract : two new digital signature schemes whose security are based onboth discrete logarithms and factorization are proposed . the paper also considers some possible attacks to the schemes , shows that the two schemes are more secure than the elgamal ' s signature scheme and the rabin ' s signature scheme 文摘:提出了两个新的数字签名方案,它们的安全性同时基于离散对数和素因子分解两个困难问题,并各有特点.对两个方案的性能和可能遭受到的攻击进行了详细讨论