1、附件3: (本科畢業論文文獻、資料題目: 院(部專班姓名:張三學號:2001888888指導教師:張九光 山東建筑大學畢業設計(或畢業論文,二選一外文文獻及譯文 ,the National Institute of Standards and Technology (NIST has been working to develop a new encryption standard to keep government information secure .The organization is in the final stages of an open process of select

2、ing one or more algorithms ,or data-scrambling formulas ,for the new Advanced Encryption Standard (AES and plans to make adecision by late summer or early fall .The standard is slated to go into effect next year .AES is intended to be a stronger ,more efficient successor to Triple Data Encryption St

3、andard (3DES,which replaced the aging DES ,which was cracked in less than three days in July 1998.“Until we have the AES ,3DES will still offer protection for years to come .So there is no need to immediately switch over ,”says Edward Roback , acting chief of the computer security division at NIST a

4、nd chairman of the AES selection committee .“What AES will offer is a more efficient algorithm .It will be a federal standard ,but it will be widely implemented in the IT community .”According to Roback ,efficiency of the proposed algorithms is measured by how fast they can encrypt and decrypt infor

5、mation ,how fast they can present an encryption key and how much information they can encrypt .The AES review committee is also looking at how much space the algorithm takes up on a chip and how much memory it requires .Roback says the selection of a more efficient AES will also result in cost savin

6、gs and better use of resources .“DES was designed for hardware implementations ,and we are now living in a world of much more efficient software ,and we have learned an awful lot about the design of algorithms ,”says Roback .“When you start multiplying this with the billions of impleme ntations done

7、 daily ,the saving on overhead on the networks will be enormous .” 山東建筑大學畢業設計(或畢業論文,二選一外文文獻及譯文 - 2 -以確保政府的信息安全。該組織目前正處于為新的先進加密標準(AES 選擇一個或幾個算法或數據打亂公式的開放過程的最后階段,并計劃在夏末或秋初作出決定。此標準內定明年實施。AES 預定為比三層數據加密標準(3DES更強、更高效的后續標準,3DES 替代了老化的DES 加密標準,DES 在1998年7月在不到三天的時間內就被破譯了。NIST 計算機安全部的代理主管兼AES 選擇委員會主席Edward Roback 說:“在我們擁有AES 之前,3DES 還將在今后幾年提供保護。所以沒有必要馬上轉換。AES 所提供的是一種更有效的算法。它將是一項聯邦標準,但它將在IT 界廣泛實施。”據Roback 稱,提議中的算法的效率是通過對信息加密和解密有多快、給出加密密鑰有多快以及能對多少信息加密等幾個方面進行測量的。AES 評價委員會也要看算法占據芯片上多少空間和需要多少內存。Roback 說,選擇一個更高效的AES