ecc 中文意思是什麼

The realization of encryption system based on ecc and aes

相結合的加密系統的實現

Furthermore, shear type is simple shear - dominated at the early stage by analysis of wk from the method of polar mohr and pure shear component increases at the late stage by the methods of ecc. much synthetic extensional crenulation cleavage ecc is found in mylonitic rocks zone

不同方法求得運動學渦度wk介於0 . 453 ? 0 . 809間，表現為一般剪切作用類型，其中早期為以簡單剪切組份為主、晚期為以純剪組份為主的一般剪切作用類型。

Ecc : elliptic curve crypto

橢圓曲線加密

Ecc elliptic curve crypto

橢圓曲線加密

The main contributions of this dissertation include : firstly, deeply research on underlying techniques of pki system, emphatically analyze dissymmetrical public - key cryptography ecc and compare it with other cryptography techniques

本文首先對pki體系的底層技術進行深入研究，重點分析了非對稱密碼橢圓曲線密碼體制，並將它與其他密碼技術進行了比較。

Also we study the ecc crypto theory in the field of public crypto system, in which the ecc encrypt principle, safety, reliability, as well as the structure of ecc based on galois field is focused on

研究了公鑰加密系統中的橢圓曲線加密理論，詳細闡述了有限域上橢圓曲線的結構及其基本運算； 3

The company s main products include sweaters, cotton knit wears and woven garments. these products are exported to the united states, japan, canada, ecc countries, the bermuda islands, australia, southeast asia and hong kong

經營范圍主要有毛衫綿針織品及服裝等，主銷地區包括美國日本加拿大歐洲共同體東南亞百慕達群島及香港等地。

The adjudicating panels included professional consultants from hkpc, convenor and members of the ecc s business partnership working group and representatives of joint organisers and co - organisers. the adjudication processes included interviews with the participating organisations and comprehensive field assessments on participants environmental performance

為了評估參與機構在環保方面的表現，香港生產力促進局的專業顧問環保會的企業伴小組召集人及小組成員，和主辦與協辦機構的代表會組成評審團，除了與各參賽機構進行面試，評審團更會到部分機構作實地視察，以評核參賽機構的表現。

Analysesd the current situation of the implemention of the attack of ecc system, proved that ecc is abundant and safey enough presently, suitable for research and devolopment at present and applicate in normal communication

同時也給出了目前對ecc系統實施攻擊的現狀分析，證明ecc是充分安全的，適合開展研究及在民用通信中大規模應用。

Selection of secure elliptic curves, implementation of elgamal encrytion and signature over big prime field ; 2. fpga implementation of point multiplication ; 3. at last put forward two blind signature based on ecc, nyberg - rueppel blind scheme and dsa blind scheme, these two schemes can be used in e - cash svstems

作者所做的主要工作有： （ 1 ）實現了安全橢圓曲線的選取，實現了基於大素數域上的橢圓曲線的elgamal加解密和數字簽名： （ 2 ）設計了標量乘的fpga功能模擬； （ 3 ）最後提出兩種用橢圓曲線密碼體制實現的盲簽名方案，基於ecc的nvberg - rueppel盲簽名方案和基於ecc的dsa盲簽名方案，這兩種方案可以用於電子現金系統獲得匿名性。

Firstly, we generalize and analyze the advantages and present research of elliptic curve cryptography ; secondly, we study the basic theory of the ecc ; thirdly, we illustrate the safety of the ecc and discuss the elliptic curve key agreement scheme, elliptic curve encryption scheme and elliptic curve digital signature algorithm ; fourthly, we study fast algorithms of the multiplication and inversion multiplication of the element of in the underlying finite field f2m whose characteristic is two represented by the two basis of optimal normal basis and polynomial basis. we make improvements to the fast algorithm of the polynomial basis multiplication by hankerson and base on the experiments, we describe the properties and compare the advantages of the multiplication and inversion multiplication of the elements in f2m field under optimal normal bases and polynomial basis. results concluding from the study car be used as references in the realization of the elliptic curve cryptosystem ; fifthly, we overview the current fast algorithm of point multiplication, improve the fix base point comb algorithm, advance the speed of the whole system and remark the advantages and disadvantages of the popular algorithms based upon the experimental datas ; sixthly we realize the algorithm library of elliptic curve cryptography based on the f2m. only change slightly in our algorithm library can we realize the ecdh, eces, ecdsa based onf2m of anysize ; seventhly, we realize the ecc on two secure elliptic curves, including ecdh, eces, ecdsa

本文首先介紹並分析了橢圓曲線密碼體制的優點及研究現狀；其次研究了橢圓曲線密碼體制的基本理論；第三，分析了橢圓曲線密碼的安全性並介紹了密鑰共享，加密，數字簽名等橢圓曲線密碼體制；第四，深入研究了特徵為2的有限域f _ 2m中的元素在多項式基和最優正規基表示下的乘法運算和乘法逆運算的快速演算法，並對hankerson等人提出的多項式基下的乘法運算的快速演算法作了改進，而且在實驗的基礎上不僅分析研究了f _ 2m域中元素在多項式基和最優正規基表示下的乘法和乘法逆運算的性能，還對這兩種基表示下的f _ 2m域中元素運算效率的優劣作了比較和研究，所得的結論可供在實現橢圓曲線密碼體制時參考；第五，研究了目前流行的計算橢圓曲線標量乘法的快速演算法，同時改進了固定基點梳形法，提高了整個系統的速度，並在實驗的基礎上分析研究了流行演算法的優劣；第六，實現了基於f _ 2m的橢圓曲線密碼體制的演算法庫，在我們的演算法庫中只需稍微改變便能實現基於任意尺寸的f _ 2m上的ecdh ， eces ， ecdsa等橢圓曲線密碼體制；第七，實現了兩條安全橢圓曲線上的橢圓曲線密碼體制，包括ecdh ， eces ， ecdsa 。

The ecc organised a series of environmental programmes in collaboration with five district councils central western district council, kwai tsing district council, sai kung district council, tsuen wan district council and yuen long district council, and five green groups and community groups the conservancy association, friends of the earth charity ltd., the hong kong federation of trade unions youth affairs committee, the hong kong federation of youth groups kin sang s. p. o. t. and mongkok kai fong association ltd. chan hing social service centre from january to march 2005 to echo the themes of the epf 2004 - 05

環保會聯同五個區議會中西區區議會葵青區議會西貢區議會荃灣區議會元朗區議會以及五個環保團體和社區組織長春社香港地球之友慈善有限公司香港工會聯合會青年事務委員會香港青年協會建生青年空間，及旺角街坊會陳慶社會服務中心在2005年1月至3月期間舉辦一連串環保活動。

The main place of innovation of this paper is to grasp the advantage of different algorithms, from different angles and levels improve modular exponentiation algorithm and scalar multiplication algorithm, and achieve new algorithm which can provide reference to the implementation of rsa and ecc, meantime the new algorithm have greater practical value

本文的創新點在於綜合各種演算法在不同方面的優勢，從不同角度和不同層次去改進模冪演算法和標量乘演算法，得到的新演算法可供在實現rsa和橢圓曲線密碼體制時參考，具有較大的實用價值。

Round these two respects, how to structure security elliptic curve cryptography and the implementations of ecc is first discussed in this paper. then we have analysed especially the scalar multiplication on the elliptic curves, and present a new algorithm to quickly implement the fixed point scalar multiplication according to the idea of interleaving exponentiation algorithm and power division. this algorithm is much faster than fixed - base windowing method ; and a little faster than fixed - base comb method

圍繞這兩個方面的問題，本文首先討論了如何構造安全的橢圓曲線密碼體制和橢圓曲線密碼體制的應用；然後重點分析了橢圓曲線上數乘運算的快速實現，並結合interleavingexponentiation演算法和冪分割的思想，提出一種計算固定點數乘的快速演算法，該演算法的計算速度明顯快于fixed - basewindowing演算法，稍快于fixed - basecomb演算法。

Mr. wong, members of the ecc, green group representatives, past and present, may i thank you again for your excellent work over the past ten years. i look forward to even closer cooperation in future

最後，藉此機會我再次向王主席綠色組織代表以及環境保護運動委員會的歷屆委員和現任委員致意，感謝他們在過去十年作出卓越的貢獻，也希望大家日後更能夠繼續合作無間。

The main task of this article contains : ( l ) compares algorithm and encryption and decryption between the widely - used public key encryption system rsa and ecc ; ( 2 ) directing against present elliptic curve attack algorithm, uses sea algorithm to perform choosing of safe elliptic curve and to achieve based on prime field elliptic curve ' s elgamal encryption and decryption and digital signature ; ( 3 ) discusses elliptic curve ' s application on smart card and proposes two identification plans based on eec

綜上所述，本論文所作的主要工作有： （ 1 ）對目前應用較廣的公鑰密碼體制rsa和ecc演算法及加解密實現進行比較。 （ 2 ）針對目前已有的橢圓曲線攻擊演算法，使用sea演算法實現了安全橢圓曲線的選取，實現了基於大素數域上的橢圓曲線的elgamal加解密和數字簽名。 （ 3 ）討論了橢圓曲線在智能卡上的應用，並提出了兩種基於ecc的身份認證方案。

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

橢圓曲線密碼是基於橢圓曲線離散對數難題的一種密碼體制，由於它在運算量和安全性方面的優勢，是目前最具有廣泛應用前景的一種公鑰密碼體制，近幾年一直是人們的研究熱點。

Study of digital signature based on ecc - based self - certified public key system

基於橢圓曲線自證實公鑰的數字簽名研究

So ecc memory is only required in mission - critical workstations and in servers

因此，糾錯碼存儲器只在運行關鍵任務的工作站中和服務器中需要採用。

Introduce the ecc ( error correction code ) into the field of information hiding in binary images

本文的貢獻在於： 1將通信領域的糾錯碼技術引入到信息隱藏中。