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ECC相关的网络例句
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This paper first analyses and summarizes the ststus quo and evolution trend of encryption, some common used cryptograph are introduced, including the algorithms used in symmetric cryptosystem and asymmetirc cryptosystem. We describe the theory of each algorithms and compare the elliptic curve cryptosystem with the other two asymmetric cryptosystems to show the advantages of this algorithm. Second, the principle of ECC is discussed, including the math foundation of ECC, basic conception of elliptic curves, constructiong idea of ECC, operation on the elliptic curve and so on. Third, the current attacks of ECC were analyzed deeply, and an algorithm based on limited prime number field was constructed. We analyzed its realizability in theory, and implement it by using certain function of MIRACL software package. Latter half in this paper, the implementation model of a simple elliptic curve encryption system which based on GF has been introduced. The paper also put a deep analysis on the algorithm of point addition and point multiplication.

本文首先对密码技术的发展现状及其发展趋势进行了分析和综述,详细的介绍了私钥密码系统和公钥密码系统的发展,说明各种算法的原理和优缺点,并给出了一些典型的密码体制的简要分析,重点将椭圆曲线算法与其它几种公钥密码算法比较,说明椭圆曲线算法的优势;其次,探讨了椭圆曲线密码体制的原理,包括椭圆曲线密码的数学基础、基本概念、椭圆曲线密码体制的构造思想等问题;第三作者对椭圆曲线的攻击现状作了详细的分析,针对所使用的大素数域F_p,设计了素数域上安全椭圆曲线产生的算法,从理论上做了可实施性分析,从软件上做了具体实现;在本文的后半部分,提出了一个简单的基于有限素数域上的椭圆曲线加密方按算实现模型,并对SECES中设计的点加和点乘运算进行了深入分析。

ECC system makes use of the finite group of elliptic curve on the finite field instead of finite cyclic group used in the discrete logarithm problem. The theory of ECC is being studied a lot and it is the focus of the cryptography and the industrial estate, especially the technique of the implementation of ECC.In this thesis, the meaning of the information technology is discussed firstly, then we analyze the classical cryptography algoritham. After that, the mathematics base of elliptic curve cryptosytems are introduced, especially the theory of the finite field. As for some algorithms, we also give out the program of reliazation.

随后,介绍了研究椭圆曲线密码系统所需要的数学理论基础,特别是有限域中的椭圆曲线理论,并对相关的方法给出相应的实例及其程序实现;论文第三章讨论给出了椭圆曲线密码体制的研究现状,综述了椭圆曲线与现有一些密码算法的结合,介绍了椭圆曲线的离散对数问题以及椭圆曲线面临的攻击,详细描述了椭圆曲线密码系统的实现细节及各个部分的实验数据。

This article first introduces the math foundation required by ECC,including the addition rule for elliptic curve point defined over finite field.Then , the principle of ECC is discussed and its security and efficiency of ECC are analyzed.Third, a cryptosystem is designed through analyzing the security requiration, choosing the elliptic curve domain parameters,denoting field element,elliptic curve and elliptic curve point,choosing associate primitves and schemes andpartitioning functional module.Forth, how to develop a crytosystem based on elliptic curve encryption algorithm is investigated.Fifth, a cryptosystem we have developed by us and the testing result is described.

本文首先介绍了ECC的数学基础,对有限域上椭圆曲线点的运算规则进行了详细描述;其次探讨了ECC的原理,分析了ECC的安全性和有效性;第三,设计了一个基于ECC的加密系统,包括系统的安全需求分析,域参数选择,域元、椭圆曲线、点的表示,原语和方案的选择,及整个系统的模块功能划分;第四,在设计的基础上,研究如何开发一个基于椭圆曲线的加密系统;第五,描述了一个我们已经设计与开发的基于椭圆曲线的加密系统,并给出了相应的测试结果。

CUF is not the effective method to increase the COP during ECC, actually, MUF can effectively promote the COP after ECC in infants undergoing ECC heart surgery.

CUF可以提高ECC期间的COP,但效果不够理想;MUF是提高术后COP的有效手段。

The book is divided into eight chapters, mainly introduced the super-elliptic curve cryptography algorithms of number theory based on hyperelliptic curve cryptography system, in addition to the core algorithm for computing sub-groups, from the ECC's technical standards to the super-elliptic curve cryptosystem implementation technology, but also on the super-elliptic curve cryptography and ECC and RSA in the security strength, complexity and the realization on the comparison.

全书共分八章,主要介绍了超椭圆曲线密码体制的算法数论基础、超椭圆曲线的密码学体系、除子群运算的核心算法、从ECC的技术标准到超椭圆曲线密码体制的实现技术,同时也对超椭圆曲线密码体制与ECC及RSA在安全强度、复杂度以及实现上进行了比较。

RESULTS There were no complications relating to ECC in all of the 240 infants.The ECC time ranged from 49 min to 184 min and the aorta cross-clamp time ranged from 17 min to 110 min.The ultrafiltration volume ranged from 150 ml to 400 ml. The intraoperative Hct ranged from 16% to 20% and the hematocrit after MUF ranged from 30% to 39%.The mechanical ventilation support time after operation ranged from 6 h to 72 h.

结果 240例患儿未发现同ECC有关的并发症,ECC时间为49~184 min、升主动脉阻断时间17~110 min,改良超滤滤出液体150~400 ml,全组患者术中Hct维持0.16~0.20,改良超滤结束Hct为0.30~0.39,术后呼吸机辅助时间6~72 h,24 h胸腔引流量30~110ml,术后输入库血量100~200 ml。

Scalar multiplication is the main operation in ECC. It determines the speed of encryption / decryption in ECC.

椭圆曲线密码算法中最主要的运算是数乘运算,数乘运算的效率决定了椭圆曲线密码算法的加解密速度。

Degree of myocardial damage of ECC operation with the video-assisted thoracoscope is conspicuous about two hours after ECC stopping, but does not deteriorate.

幼龄犬胸腔镜体外循环术后的心肌损伤程度可能以停机后2 h最明显,后未再出现持续性加重。

METHODS 30 patients undergoing ECC surgery were randomly divided into two groups. 14 patients in CO2 group were insufflated with CO2 at pericardial cavity via a new designed gas-diffuser during ECC, whereas 16 patients in control group were not.

30例ECC手术病例随机分为二氧化碳组与对照组,前者使用改进后的气体弥散器在ECC期间向术野充弥二氧化碳,后者不进行此项干预。

When the data and ECC are read, the function is recomputed, the result is compared to the ECC appended to the data, and correction is performed if necessary.

当读取数据与ECC码时,再使用ECC码的计算函数进行计算,并将得到的结果与ECC码进行比较,如果可能的话更正发现的错误。

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The network space is the typical form of abstract space when it comes to the digital stage.

网络空间是抽象空间数字化阶段的典型形式。

The Notarial System,as the system of judicial certification in our country,is both the constructor and the defender of social credit system,It has its special value and function in the social honesty.

公证制度作为我国司法证明制度,既是社会信用体系的建设者,同时也是社会信用的捍卫者,在诚信中有其特殊的价值和功能。

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