A Document Protection Scheme Using Innocuous Messages as Camouflage

淡江大學機構典藏 > 商管學院 > 資訊管理學系暨研究所 > 期刊論文 > Item 987654321/68596

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题名:	A Document Protection Scheme Using Innocuous Messages as Camouflage
作者:	侯永昌;Hsu, C.S.;Tu, S.F.
贡献者:	淡江大學資訊管理學系
关键词:	Document Protection Scheme;Steganography;Cryptography;Encoding Method
日期:	2009-04
上传时间:	2011-10-23 13:18:26 (UTC+8)
摘要:	Lin and Lee proposed a document protection scheme which utilized a meaningful document to cover the secret document. Although some researchers extended and improved their scheme, the main drawbacks of Lin and Lee’s scheme are still left unsolved. The aim of our study is to propose a new document protection scheme to solve these drawbacks. Instead of encoding the secret codes into index numbers, we generate the cipher message through a series of comparisons between cheating codes and the logic operator XOR. Compared with other studies, ours have the following advantages: firstly, the selection of the cheating document needs not to be restricted to the character set of the secret document; secondly, the length of the encoded file is the same as that of the secret document; thirdly, the codes of the cipher message are almost uniformly distributed so is difficult to analyze without the key; fourthly, with the help of inner codes, our scheme is applicable to documents in any languages; finally, our scheme performs efficiently and is easy to implement.
關聯:	WSEAS Transactions on Information Science and Applications 6(4), pp.694-703
显示于类别:	[資訊管理學系暨研究所] 期刊論文

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