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RSA算法是第一個能同時用于加密和數字簽名的算法，也易于理解和操作。RSA是被研究得最廣泛的公鑰算法，從提出到現在已近二十年，經歷了各種攻擊的考驗，逐漸為人們接受，普遍認為是目前最優秀的公鑰方案之一。RSA的安全性依賴于大數的因子分解，但并沒有從理論上證明破譯RSA的難度與大數分解難度等價。即RSA的重大缺陷是無法從理論上把握它的保密性能如何，而且密碼學界多數人士傾向于因子分解不是NPC問題。 RSA的缺點主要有：A)產生密鑰很麻煩，受到素數產生技術的限制，因而難以做到一次一密。B)分組長度太大，為保證安全性，n 至少也要 600 bits 以上，使運算代價很高，尤其是速度較慢，較對稱密碼算法慢幾個數量級；且隨著大數分解技術的發展，這個長度還在增加，不利于數據格式的標準化。目前，SET( secure Electronic Transaction )協議中要求CA采用比特長的密鑰，其他實體使用比特的密鑰
上傳時間： 2014-10-13
上傳用戶：sz_hjbf
Aspect-Oriented Software Developement Coverage includes Using AOSD to streamline complex systems development without sacrificing flexibility or scalability How AOSD builds on the object-oriented paradigmand how it s different State-of-the-art best practices for the AOSD development process Languages and foundations: separating concerns, filter technologies, improving modularity, integrating new features, and more Using key AOSD tools, including AspectJ, Hyper/J, JMangler, and Java Aspect Components Engineering aspect-oriented systems: UML, concern modeling and elaboration, dependency management, and aspect composition Developing more secure applications with AOSD techniques Applying aspect-oriented programming to database systems Building dynamic aspect-oriented infrastructure
標簽： Aspect-Oriented Developement streamline Software
上傳時間： 2013-12-01
上傳用戶：jennyzai
BlackBerry Hacks will enhance your mobile computing with great tips and tricks. You ll learn that the BlackBerry is capable of things you never thought possible, and you ll learn how to make it an even better email and web workhorse: Get the most out of the built-in applications Take control of email with filters, searches, and more Rev up your mobile gaming--whether you re an arcade addict or poker pro Browse the web, chat over IM, and keep up with news and weblogs Work with office documents, spell check your messages, and send faxes Become more secure, lock down your BlackBerry and stash secure information somewhere safe Manage and monitor the BlackBerry Enterprise Server (BES) and Mobile Data System (MDS) Create web sites that look great on a BlackBerry Develop and deploy BlackBerry applications
標簽： BlackBerry computing enhance mobile
上傳時間： 2016-12-07
上傳用戶：GavinNeko
SharpPrivacy has been developed to be an Open Source implementation of the OpenPGP standard. OpenPGP is a standard for encrypting, decrypting, signing and verifying data cryptographically. The OpenPGP protocoll is commonly used and is said to be very secure.
標簽： OpenPGP implementation SharpPrivacy developed
上傳時間： 2017-01-13
上傳用戶：dreamboy36
Description: Microsoft?Windows?HTTP Services (WinHTTP) provides developers with a server-supported, high-level interface to the HTTP/1.1 Internet protocol. WinHTTP is designed to be used primarily in server-based scenarios by server applications that communicate with HTTP servers. WinHTTP is also designed for use in system services and HTTP-based client applications. WinHTTP is more secure and robust than WinInet. However, single-user applications that need FTP or gopher functionality, cookie persistence, caching, automatic credential dialog handling, Internet Explorer compatibility, or downlevel platform support should still consider using WinInet.
標簽： server-supported Description developers Microsoft
上傳時間： 2017-02-07
上傳用戶：refent
Java technology is both a programming language and a platform. The Java programming language originated as part of a research project to develop advanced software for a wide variety of network devices and embedded systems. The goal was to develop a small, reliable, portable, distributed, real-time operating platform. When the project started, C++ was the language of choice. But over time the difficulties encountered with C++ grew to the point where the problems could best be addressed by creating an entirely new language platform. Design and architecture decisions drew from a variety of languages such as Eiffel, SmallTalk, Objective C, and Cedar/Mesa. The result is a language platform that has proven ideal for developing secure, distributed, network-based end-user applications in environments ranging from network-embedded devices to the World-Wide Web and the desktop
標簽： programming language Java technology
上傳時間： 2014-01-03
上傳用戶：huangld
S60V2版短信漏洞補丁ortiCleanUp_CurseSMS_103這條不到10個字符短信成功利用了SymbianOS的漏洞，使用者收到這條短信后，就再也無法打開短信收件箱功能，并可能頻繁死機。由于這條短信誰都能發，所以諾基亞所有N系列智能手機、E系列智能手機都將遭遇有史以來最嚴重的安全威脅。目前還沒有發布相關的補丁。如果你尚未中招，建議安裝諾基亞和F-secure推出的保護程序，直到諾基亞推出新固件為止
標簽： ortiCleanUp_CurseSMS SymbianOS S60V2 103
上傳時間： 2017-03-15
上傳用戶：qunquan
secureCRT 是高度可定制的終端仿真器，適用于 Internet 和 Intranet，支持 IPv6 標準。對于連接到運行 Windows、UNIX 和 VMS 的 遠程系統來說，secureCRT 是理想的選擇。 主要特性： . 廣泛的終端仿真： VT100，VT102，VT220，ANSI，SCO ANSI，Xterm，Wyse 50/60， 和 Linux console 仿真（帶有 ANSI 顏色）。 . 優秀的會話管理特性： 新的帶標簽的用戶界面和 Activator 托盤工具，最小化桌面的雜亂。 會話設置可以保存在命名的會話中。 . 協議支持： 支持 SSH1，SSH2，Telnet，RLogin，Serial，和 TAPI 協議。 . secure Shell： secure Shell 加密登錄和會話數據，包括以下支持： - 端口轉發使 TCP/IP 數據更安全 - 口令，公鑰，鍵盤交互和 Kerberos 驗證 - AES，Twofish，Blowfish，3DES，RC4，和 DES 加密 - X11 轉發 . 文件傳輸工具： VCP 和 VSFTP 命令行公用程序讓使用 SFTP 的文件傳輸更安全。 . 腳本支持： 支持 VBScript 和 JScript 腳本語言。
上傳時間： 2013-12-19
上傳用戶：kikye
Spread-spectrum techniques are methods by which electromagnetic energy generated in a particular bandwidth is deliberately spread in the frequency domain, resulting in a signal with a wider bandwidth. These techniques are used for a variety of reasons, including the establishment of secure communications, increasing resistance to natural interference and jamming, and to prevent detec
標簽： Spread-spectrum electromagnetic techniques particular
上傳時間： 2017-06-06
上傳用戶：royzhangsz
This application note describes the design and implementation of a usb mass storage devic using a secure digital card,which should prove useful to developers of usb mass storage solution.This application may be used as a stand-alone MSD or as a secure Digital/Multimedia Card (SD/MMC) reader/ writer interface.
標簽： implementation application describes storage
上傳時間： 2017-06-24
上傳用戶：weiwolkt
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