This module defines safer C library string * * routine replacements. These are meant to make C * * a bit more safe in reference to security and * * robustness
標(biāo)簽: replacements defines library routine
上傳時間: 2014-01-04
上傳用戶:佳期如夢
維吉尼亞(Vigenere)密碼為了提高密碼的破譯的難度,人們有發(fā)明一種多表置換的密碼,即一個明文字母可以表示為多個密文字母,多表密碼加密算法結(jié)果將使得對單表置換用的簡單頻率分析方法失效,其中維吉尼亞密碼就是一種典型的加密方法。維吉尼亞密碼是使用一個詞組(語句)作為密鑰,詞組中每一個字母都作為移位替換密碼密鑰確定一個替換表,維吉尼亞密碼循環(huán)的使用每一個替換表完成明文字母到密文字母的變換,最后所得到的密文字母序列即為加密得到的密文,具體過程如下: 設(shè)密鑰 ,明文 , 加密變換 其中 例如,M=data security,k=best。可以先將M分解為長為4的序列data secu rity 每一節(jié)利用密鑰k=best加密得密文c=Ek(M)=EELT TIUN SMLR。 當(dāng)密鑰k取的詞組很長時,截獲者就很難將密文破解。(我們還在計算機上就維吉尼亞密碼設(shè)計的方法,編寫了一個小的程序,可以運用其進行加密和相應(yīng)的解密。見附錄) 由于我們知識和條件所限,本學(xué)期對以上6種古典加密方法進行了學(xué)習(xí)和研究,從中我們收獲頗多,我們了解古典密碼學(xué)的基本原理和方法,并能夠?qū)π畔⑦M行簡單的加密和解密,大大提高我們的學(xué)習(xí)文化知識的興趣和熱情,如果有條件我們在今后將進一步研究密碼學(xué)。
上傳時間: 2015-03-24
上傳用戶:songnanhua
一、安裝SQL數(shù)據(jù)庫 1、 打開Microsoft SQL Server 企業(yè)管理器 2、 建立一個新的數(shù)據(jù)庫,名稱為 XfokSite_Free (必須為這個名字) 3、選擇該數(shù)據(jù)庫,點擊鼠標(biāo)右鍵 -> 所有任務(wù) -> 還原數(shù)據(jù)庫 -> 從設(shè)備 -> 選擇設(shè)備 -> 添加 -> 選擇程序目錄下的數(shù)據(jù)庫里面的文件 二、安裝程序 1、如果程序沒有放在虛擬目錄下,請把所有文件放在網(wǎng)站根目錄下,否則會提示出錯。 三、設(shè)置 1、 用文本編輯器打開web.config 2、 找到<add key="SqlConnectionString" value="Data Source=(local) Integrated Security=false Initial Catalog=XfokSite_Free User ID=xfok Password=xfok" /> 紅色部分:數(shù)據(jù)庫服務(wù)器地址,如果為本地地址,請設(shè)置為(local),外部請直接修改為IP地址(不要加括號) 深紅部分:數(shù)據(jù)庫名稱 粉紅部分:SQL數(shù)據(jù)庫登陸用戶名 藍色部分:SQL數(shù)據(jù)庫登陸密碼 四、設(shè)置完畢! 直接在瀏覽器中敲入地址,來體驗一下心隨我動,網(wǎng)站建設(shè)超輕松的快感吧!
標(biāo)簽: SQL Microsoft Server 數(shù)據(jù)庫
上傳時間: 2015-04-15
上傳用戶:璇珠官人
Software Testing, Second Edition provides practical insight into the world of software testing and quality assurance. Learn how to find problems in any computer program, how to plan an effective test approach and how to tell when software is ready for release. Updated from the previous edition in 2000 to include a chapter that specifically deals with testing software for security bugs, the processes and techniques used throughout the book are timeless. This book is an excellent investment if you want to better understand what your Software Test team does or you want to write better software.
標(biāo)簽: practical Software provides software
上傳時間: 2015-04-30
上傳用戶:bjgaofei
JBoss, one of the leading java Open Source groups, integrates and develops these services for a full J2EE-based implementation. JBoss provides JBossServer, the basic EJB container, and Java Manage Preface 18 Great Events of the Twentieth Centuryment Extension (JMX) infrastructure. It also provides JBossMQ, for JMS messaging, JBossTX, for JTA/JTS transactions, JBossCMP for CMP persistence, JBossSX for JAAS based security, and JBossCX for JCA connectivity. Support for web components, such as servlets and JSP pages, is providedby an abstract integration layer. Implementations of the integration service are provided for third party servlet engines like Tomcat and Jetty. JBoss enables you to mix and match these components through JMX by replacing any component you want with a JMX compliant implementation for the same APIs.
標(biāo)簽: integrates develops services leading
上傳時間: 2014-11-03
上傳用戶:wsf950131
幾本java p2p 安全的電子書,A Survey of Peer-to-Peer Security Issues.pdf
上傳時間: 2014-12-06
上傳用戶:aig85
java的加密樣例代碼, import java.math.BigInteger import java.security.KeyPair import java.security.cert.* import java.util.*
上傳時間: 2015-06-10
上傳用戶:大融融rr
WebServices_WebSphere_Version_5 Objectives § Web Services Overview • What are Web Services? • Roles and Functions of Web Services § Web Services Runtime • Base Support • IBM WebSphere UDDI Registry (Private UDDI) • Web Services Gateway (WSGW) § Problem Determination § Web Services Security § Technical Previews § Summary
標(biāo)簽: Services WebServices_WebSphere_Version Objectives Web
上傳時間: 2015-06-15
上傳用戶:cx111111
This book offers 226 code recipes applicable to a variety of difficulties that may arise in the process of application development. Topics covered include XML processing, Windows forms, database access, networking, runtime security, cryptography and more.
標(biāo)簽: difficulties applicable recipes variety
上傳時間: 2015-07-21
上傳用戶:朗朗乾坤
本源碼為OpenNETCF源代碼,包含了Diagnostics,IO,Multimedia,Runtime,Security,Threading,Win32等各種用于windows mobile開發(fā)的擴展類源代碼,對于移動開發(fā)者是個好東西。
上傳時間: 2015-08-22
上傳用戶:zhaiyanzhong
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