Stream cipher encryption of random access files

被引:3
作者
Golic, JD [1 ]
机构
[1] Univ Belgrade, Sch Elect Engn, YU-11001 Belgrade, Yugoslavia
关键词
cryptography; random access files; algorithms;
D O I
10.1016/S0020-0190(99)00004-6
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
It is shown that synchronous stream ciphers based on keystream generators can be used for efficient and secure encryption/decryption of random access files if the underlying next-state function satisfies an associativity condition. In particular, secure designs based on combining different types of linearity in the next-state function are proposed. (C) 1999 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:145 / 148
页数:4
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