A Rotation Session Key-Based Transposition Cryptosystem Scheme Applied to Mobile Text Chatting

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Title:	A Rotation Session Key-Based Transposition Cryptosystem Scheme Applied to Mobile Text Chatting
Authors:	陳興忠;Chen, Hsing-Chung;Liezel,Alpha;Alpha Liezel, V.Epa
Contributors:	資訊工程學系
Keywords:	mobile text encryption;block ciphers;secret key;session key;classical substitution;transposition scheme;key management
Date:	2014-05
Issue Date:	2014-10-01 08:53:11 (UTC+0)
Abstract:	In this paper, a new transposition cryptosystem scheme is proposed, in which a rotation session key is designed for a mobile user to secure access the multiple sessions of mobile text chatting (MTC). This is a block cipher adopts a classical substitution combined a text-matrix rotation operation in order to enhance the protection MTC over Internet. The scheme is entirely dependent on the only secret key. The session key is designed by a pseudo random function which the input is length of secret key. Due to the characteristics of easy and fast computation, it will be a low cost to achieve the useful cryptosystem. Finally, its security strength is strong compared to other approaches under the frequency analysis.
Relation:	The 28th IEEE International Conference on Advanced Information Networking and Applications
Appears in Collections:	[Department of Computer Science and Information Engineering] Journal Artical

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