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|標題:||Authenticated encryption schemes with message linkages for message flows||作者:||Tseng, Y.M.
|關鍵字:||cryptography;authenticated encryption;message flows;message linkage||Project:||Computers & Electrical Engineering||期刊/報告no：:||Computers & Electrical Engineering, Volume 29, Issue 1, Page(s) 101-109.||摘要:||
Two efficient authenticated encryption schemes with message linkages are proposed. One is a basic scheme, that it has the better performance in comparison with the all previously proposed schemes in terms of the communication and the computation costs. However, it has a property as same as the previously proposed schemes, that the message blocks can be recovered only after the entire signature blocks have been received. Therefore, the basic scheme is applicable to encrypt all-or-nothing flow. Thus, we improve the basic scheme and also propose a generalized scheme, which allows the receiver to recover the partial message blocks before receiving the entire signature blocks, That is, the receiver may perform the receiving and the recovering processes simultaneously. Therefore, the generalized scheme is applicable to message flows. The generalized scheme requires smaller bandwidth and computational time as compared to the previously proposed authenticated encryption schemes with message linkages for message flows. (C) 2002 Elsevier Science Ltd. All rights reserved.
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