【正文】 的私鑰拆開“數(shù)字信封”得到對稱密鑰， 使用對稱密鑰解開被加密的敏感數(shù)據(jù) ： 1）密鑰的泄露 2）密鑰或公鑰的確定性的喪失 3）密鑰或公鑰未經(jīng)授權(quán)使用 ： 1）源的數(shù)字簽字 2）可信賴的第三方的數(shù)字簽名 3）可性賴第三方對對消息的雜湊值進行簽字 4）可信賴第三方的持證 5）線內(nèi)可信賴第三方 6）上述方法的適當(dāng)組合 ： 1）收信人簽字認可 2）收信人利用持證認可 3）可信賴遞送代理 4）逐級遞送報告 ： 1）收取認可證據(jù) 2）進行證實確定文件的真實性 3） 作證或公布簽名 4）證實或公布文件副本。 CA：可信賴，公正的組織。包括與客戶端的電子錢包軟件的溝通，取得客戶的信用卡相關(guān)數(shù)據(jù)，另外必須與支付網(wǎng)關(guān)聯(lián)系取得銀行傳來的支付信息 簡答： 加密協(xié)議的用途： 安全套接層協(xié)議是用于到購物網(wǎng)站上交易的并保障交易的 安全性。它對 srt 軟件建立了一套測試標準，如測試通過后就可獲得 SET 商店的商標。 體系結(jié)構(gòu)是由幾層協(xié)議組成的共有幾個？ 共有 4 個協(xié)議組成他們是 SSL 記錄協(xié)議、 SSL 更改密碼規(guī)格協(xié)議、 SSL警告協(xié)議、 SSL 握手協(xié)議 的購物過程 擇支付方式確認定單，簽發(fā)付款指令 b 通過收單銀行檢查信用卡的有效性 7.結(jié)帳 3.多方認證的解決 edi 貿(mào)易模式 與 SET 交易的成員 消費者 CA6.支付網(wǎng)關(guān) ？ 付款轉(zhuǎn)接站：接受由商店傳來了付款信息，并轉(zhuǎn)換到銀行網(wǎng)絡(luò)處理的組織 系統(tǒng)運做是通過那幾個軟件組成的 電子錢包、商店服務(wù)器、支付網(wǎng)關(guān)、認證中心軟件著四個軟件分別放在持卡人、網(wǎng)上商店、銀行及認證中心計算機上 認證中心的管理結(jié)構(gòu)層次 最高層 rCA 下一層 bCA 基層 CA 是 店數(shù)字證書 CA SET 的電子商務(wù)的業(yè)務(wù)流程有 機構(gòu)處理 ：用私鑰解密回函，用商家公鑰填發(fā)定單，用銀行公鑰填發(fā)付款單和數(shù)字簽名 ：用私鑰解密付款及金融數(shù)據(jù)；用商家公鑰加密購買者付款通知 ：用私鑰解密定單和付款通知；用購買者公鑰發(fā)出付款通知和代理銀行公鑰 哪三個方面？答 鑰體制加密 用聯(lián)機動態(tài)的授權(quán)和認證檢查以確保交 易過程的安全可靠 . 和 SSL 的異同 在使用場合上， SET 主要用于信用卡交易，傳送電子現(xiàn)金， SSL 主要用于購買信息的交流，傳送電子商貿(mào)信息；在安全方面， SET 要求很高，整個交易過程中都要保護，所以參與 SET 交易的成員都必須先申請數(shù)字證書來識別身份 SSL 要求很低因為保護范圍只是持卡人到商家一端的信息交換，通常只是商家一端的服務(wù)器，而客戶端認證是可選的，在實施設(shè)置方面， SET 要求持卡人先申請數(shù)字證書然后在計算機上安裝符合 SET 規(guī)格的 電子錢包軟件，而 SSL不需要另外安裝軟件。 的體系結(jié)構(gòu)：總體分為三層第一層為根 CA 第二層為政策 CA 第三層為運營 CA，運營 CA 由 CA 系統(tǒng)和證書注冊審批機構(gòu) ra 兩大部分組成 ： 網(wǎng)上銀行業(yè)務(wù)商業(yè)銀行將其傳統(tǒng)的柜臺業(yè)務(wù)拓展到inter 上用戶訪問其 web server 進行在線的實現(xiàn)查詢、轉(zhuǎn)帳、匯款、開戶等業(yè)務(wù) ： 網(wǎng)上證券交易可分為網(wǎng)上炒股和網(wǎng)上銀證轉(zhuǎn)帳，網(wǎng)上炒股是股民和證券公司發(fā)生的兩方交易。中國電信電子商務(wù) CA 認證系統(tǒng)由全國 CA 中心、省 RA 中心系統(tǒng)、地市級業(yè)務(wù)受理點組成。 論述 商務(wù) － mail、安全文檔管理系統(tǒng) vpn 部署 truepass 系統(tǒng) 時間戳服務(wù) 數(shù)字證書業(yè)務(wù) 服務(wù)器證書 Inter 的攻擊有多種類型，包括（截斷信息、偽造、介入） CA 系統(tǒng)的服務(wù)器有（安全服務(wù)器、注冊機構(gòu) RA、 CA 服務(wù)器、 LDAP 目錄服務(wù)器和數(shù)據(jù)庫服務(wù)器等） 3．認證機構(gòu)應(yīng)提供四個方面的服務(wù)（證書頒發(fā)、證書更新、證書廢除、證書的 公布和查詢） （遞送的不可否認性、提交的不可否認性、傳送的不可否認性、源的不可否認性） 要達到的主要目標有（信息的安全傳輸、交易的實時性、多方認證的解決 ） 6 請您刪除一下內(nèi)容， O(∩ _∩ )O 謝謝?。?！【 China39。s animation outpouring that are not to be missed. Let39。 violence, and lack of suitability for children39。s real name was Nasreddin. He was wise and witty and, more importantly, he had the courage to resist the exploitation of noblemen. He was also full of passion and tried his best to help poor people. Adventure of Shuke and Beita【舒克與貝塔】 Adventure of Shuke and Beita (Chinese: 舒克和貝塔 ) is a classic animation by Zheng Yuanjie, who is known as King of Fairy Tales in China. Shuke and Beita are two mice who don39。s contents on the stone wall of a white cloud cave in the mountains. He was then punished with guarding the book for life by the jade emperor for breaking heaven39。s natural scenery. Pleasant Goat and Big Big Wolf【喜洋洋與灰太狼】 Pleasant Goat and Big Big Wolf (Chinese:喜羊羊與灰太狼 ) is a Chinese animated television series. The show is about a group of goats living on the Green Pasture, and the story revolves around a clumsy wolf who wants to eat them. It is a popular domestic animation series and has been adapted into movies. Nezha Conquers the Dragon King（ Chinese: 哪吒鬧海） is an outstanding animation issued by the Ministry of Culture in 1979 and is based on an episode from the Chinese mythological novel Fengshen Yanyi. A mother gave birth to a ball of flesh shaped like a lotus bud. The father, Li Jing, chopped open the ball, and beautiful boy, Nezha, sprung out. One day, when Nezha was seven years old, he went to the nearby seashore for a swim and killed the third son of the Dragon King who was persecuting local residents. The story primarily revolves around the Dragon King39。s death. Through bravery and wit, Nezha finally broke into the underwater palace and successfully defeated him. The film shows various kinds of attractive sceneries and the traditional culture of China, such as spectacular mountains, elegant sea waves and exquisite ancient Chinese clothes. It has received a variety of awards. Havoc in Heaven The story of Havoc in Heaven（ Chinese: 大鬧天宮） is based on the earliest chapters of the classic story Journey to the West. The main character is Sun Wukong, aka the Monkey King, who rebels against the Jade Emperor of heaven. The stylized animation and drums and percussion acpaniment used in this film are heavily influenced by Beijing Opera traditions. The name of the movie became a colloquialism in the Chinese language to describe someone making a mess. Regardless that it was an animated film, it still became one of the most influential films in all of Asia. Countless cartoon adaptations that followed have reused the same classic story Journey to the West, yet many consider this 1964 iteration to be the most original, fitting and memorable, The Golden Monkey Defeats a Demon【金猴降妖】 The Golden Monkey Defeats a Demon (Chinese: 金猴降妖 ), also referred as The Monkey King Conquers the Demon, is adapted from chapters of the Chinese classics Journey to the West, or Monkey in the Western world. The fiveepisode animation series tells the story of Monkey King Sun Wukong, who followed Monk Xuan Zang39。s Film Festival Award in 1989. McDull【麥兜】 McDull is a cartoon pig character that was created in Hong Kong by Alice Mak and Brian Tse. Although McDull made his first appearances as a supporting character in the McMug ics, McDull has since bee a central character in his own right, attracting a huge following in Hong Kong. The first McDull movie McMug Story My Life as McDull documented his life and the relationship between him and his McMug Story My Life as McDull is also being translated into French and shown in France. In this version, Mak Bing is the mother of McDull, not his father..