secure digital 中文意思是什麼
secure digital
解釋
安全數字卡-
Secure e - commerce means expanding e - commerce with secure techniques and measures of encryption and digital signature to resist the anticipative risk
安全電子商務是指運用加密和數字簽名等安全技術與手段來開展電子商務，抵禦預期的風險。 -
The system was designed by dynamic asp ( active server page ), secure socket layer, digital signature and certification technologies
系統應用了動態asp技術和數據庫技術、安全套接字協議、數字簽名和身份認證技術。 -
Additional in - room features include luxurious bath products, a digital in - room safe, mini bar, designer tea and coffee set, sleek contemporary bathrooms with rain showers and a secure key card system for the lifts and guest rooms
其它房內設施包括豪華沐浴用品、電子保險箱、迷你酒吧、名師設計咖啡茶套裝以及頂設噴淋花灑的時尚浴室；電梯及客房均以保安鎖匙卡系統啟動。 -
Like direct printing from digital cameras, long format printing for banners, e - mail printing and secure printing
如從數碼相機直接列印，橫幅列印，電子郵件列印和機密列印等。 -
Non - duplicable digital certificate an electronic identification certification that helps establish a customers identity online and is stored in a secure device such as a hong kong smart id card or an electronic security key
在進行網上交易時用來核實身分的電子證書，並儲存於安全的工具或設施內如香港智能身分證或電子鑰匙 -
Mr. kingsley li, acting postmaster general of hongkong post, said, " today we witness another milestone reaffirming hong kong s status as a leading digital city. with the widespread use of the e - cert embedded in the smart id card, hong kong people can experience new secure e - life
署理香港郵政署長李景光說：香港是一個先進的數碼城市，今次香港郵政為智能身份證持證人提供首年免費電子證書的做法，不但見證了香港邁向都市生活電子化的另一新里程，更進一步肯定了香港作為首屈一指數碼城市的地位。 -
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 。 -
It is conceivable that future vms and core language libraries will not only optimize public key operations associated with secure connections, but also make the optimization available to general security functions such as digital signature
可以想象未來的vm和核心語言庫不僅優化與安全連接相關的公鑰操作，而且還使優化可用於一般安全性功能（如數字簽名） 。 -
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:提出了兩個新的數字簽名方案，它們的安全性同時基於離散對數和素因子分解兩個困難問題，並各有特點.對兩個方案的性能和可能遭受到的攻擊進行了詳細討論 -
According to the described quantum one - way function, a quantum digital signature scheme whose security is based on fundamental principles of quantum physics is given and that the signature scheme is absolutely secure using one method of key distribution is shown
根據所描述的量子單向函數，本文給出了一種基於量子物理的基本原理基礎之上的安全性的量子數字簽名，同時說明了在使用一種密鑰分配的條件下，它是無條件安全的。 -
Is simple and secure. having authenticated their identity with a digital certificate or password, users can choose the type of tax return to file, complete the electronic return online, sign it using their password or digital certificate and finally submit the form online
網站，利用通行密碼或數碼證書確認身份，然後選擇合適的報稅服務，便可透過電子報稅表于網上直接申報資料，最後以通行密碼或數碼證書作簽署，即可完成所需手續，過程快捷簡便。 -
With the digital signature, document integrity can be guaranteed while documents protected by i. secure office can be shared with others safely
此外， i . secureoffice亦可利用數碼證書授權其他人共用或分享機密文件檔案。由於i -
Secure digital memory card. a flash based memory card designed to provide secure high capacity data storage
安全電子存儲卡。一種基於為提供安全的大容量數據存儲功能而設計的閃存。 -
Secure digital music initiative
數字音樂版權保護組織 -
A forward - secure digital signature scheme of ecc elliptic curve cryptography cryptography
基於橢圓曲線密碼體制的一種具有前向安全的數字簽名方案 -
Thus, this paper studies secure digital watermarking protocols with theories and techniques of modern cryptography, which is important for the protection of copyright of digital work and trading over the internet
因此，結合現代密碼學技術知識研究安全的數字水印協議，對數字產品的版權保護和網上交易是比較重要的。本文所取得的主要研究成果如下： 1 -
In may, hongkong post and pacific century cyberworks jointly launched a secure digital message delivery service, known as websenger, which offers multi - level electronic messaging security and provides users with a high level of control and privacy in message delivery over the internet
五月，香港郵政與電訊盈科攜手推出「網傳保」網上函件傳送服務，提供多重信息保密功能，令利用網際網路傳遞信息的人士可以全面掌握信息往來的情況，並且保障個人私隱。 -
In the field of verifying digital - cash, no good logic model describing and verifying a digital cash protocol has been brought forward either abroad or at home. in this background, the contents and purpose of my researches are to design a secure digital - cash protocol, devising a simple e - dealing system and building a logic model
數字現金安全分析方面國內外都沒有一個能夠嚴格描述和驗證數字現金協議的邏輯模型，基於這種背景，本課題的研究目的是設計一個安全的數字現金協議，實現一個簡易電子交易系統來展示該協議的思想，並建立一個邏輯模型來形式化描述該協議且對其進行安全性分析。 -
The bridge certification authority and the technology of cross authentication in the public key infrastructure are studied. the new cross authentication scheme and certificate revocation scheme based on forward - secure digital signature are proposed. the forward security of new scheme can guarantee the lowest loss and high efficiency in the case that the bca ' s signing secret key is exposed
研究了公鑰基礎設施中的橋接認證機構和交叉認證技術，提出了基於前向安全數字簽名的交叉認證方案和基於前向安全數字簽名的證書撤消方案，新方案的前向安全性確保了在簽名密鑰泄露的情況下將造成的損失減少到最小。 -
The digital signature algorithms with special attributes are studied, and the new digital signature scheme, a undeniable forward - secure digital signature scheme based on zero - knowledge proof, is proposed based on the difficult mathematic problems. it is the first time that the undeniable property and the forward - secure property are combined in a digital signature scheme
以數學中的困難問題為理論基礎研究了具有特殊性質的數字簽名演算法，提出了滿足特殊需求的新的數字簽名演算法- - - -基於零知識證明的不可否認前向安全數字簽名演算法，首次將不可否認數字簽名與前向安全數字簽名結合起來。
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