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1、九十二學年度第二學期 專題介紹,阮夙姿 Justie Su-tzu Juan,無線通訊環境下群播安全之研究機密配置系統與其在群播上密鑰管理及分配之應用,一、課程代號：210059二、課程名稱（中文）：專題（二）課程名稱（英文）：Project Study(2)三、授課教師：阮夙姿四、開授年級：四（上）五、學分數：3 六、授課時數：?七、先修課程：無八、課程目標：研究與探討資訊安全上之Secret Sharing Scheme問題九、評量方式：期末報告 40%,平時成績 60%十、主要教科書：W.Trappe and L.C.Washington,Introduction to Cryptogr
2、aphy with Coding Theory,Prentice Hall(開發代理),2002 W.Stallings,Cryptography and Network Security,Prentice Hall(開發代理),2003十一、重要參考書籍：與專題相關論文,3,題目:,Construction Improve(time complexity)Geometric configurations:hyper-ellipseRoom square:critical sets,Implement Optimization Hypergraph-based Extension Multis
3、ecret:improve Nonperfect Application Secret image sharing:new methodmuiltcast,4,Introduction,Secret sharing scheme(SSS),5,Introduction,The Shamir Threshold Scheme,6,題目:,Construction(建構)Improve(time complexity)Geometric configurations:hyper-ellipseRoom square:critical sets,Implement Optimization(最佳化)
4、Hypergraph-based Extension(推廣)Multisecret:improve Nonperfect Application(應用)Secret image sharing:new methodmuiltcast,7,應用(Secret image sharing),Step 1.Permute image,8,1.The sharing phase(2,3)threshold system,EX:(gray value:0 255),9,Step 2.Truncate gray values larger than 250 to 250.Step 3.Construct
5、r 1 polynomial.,250,1.The sharing phase(2,3)threshold system,10,3 shadows:(1,5),(2,7),(3,9),Shadow images 1,Shadow images 2,Shadow images 3,1.The sharing phase(2,3)threshold system,11,2.Reveal phase,Shadow images 1,Shadow images 2,30,14,25,12,3,14,13,16,3,15,19,10,14,3,2,3,4,113,12,6,1,7,5,4,2,7,3,3,2,9,14,11,2,6,2,10,4,2,3,10,3,6,13,4,4,6,7,5,12,Experimental Results,Gray values 250Often only 1/r of the secret image,13,其他,權利與義務我有能力做嗎?興趣!,
