Research on the format-preserving encryption modes

FPE (format-preserving encryption) was discussed, and it was shown that how to reduce domain complexity was the direction of designing FPE modes. A new FPE mode named coding-then-encipher mode was proposed and its operating principle and security were described in detail, and it was pointed out that...

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Bibliographic Details
Published inTongxin Xuebao Vol. 32; no. 6; pp. 184 - 190
Main Authors Liu, Zhe-Li, Jia, Chun-Fu, Li, Jing-Wei
Format Journal Article
LanguageChinese
Published Editorial Department of Journal on Communications 01.06.2011
Subjects
Algorithms
China
Complexity
Encryption
format-preserving encryption;rank-then-encipher;coding-then-encipher;random reference-based encryption
Security
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Summary:FPE (format-preserving encryption) was discussed, and it was shown that how to reduce domain complexity was the direction of designing FPE modes. A new FPE mode named coding-then-encipher mode was proposed and its operating principle and security were described in detail, and it was pointed out that the key for this mode was finding efficient encode and decode algorithms on domain. Furthermore, a scheme under coding-then-encipher mode which can resolve FPE problem in chars(n) was presented, the encode and decode algorithms were described, and their efficiency were analyzed.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:1000-436X