A Novel Cryptosystem with Lock Generation and Sum-Difference Replacement Ladder

Victor R. L. SHEN  Tzer-Shyong CHEN  

IEICE TRANSACTIONS on Information and Systems   Vol.E85-D   No.10   pp.1719-1722
Publication Date: 2002/10/01
Online ISSN: 
Print ISSN: 0916-8532
Type of Manuscript: LETTER
Category: Applications of Information Security Techniques
grey data generating,  encryption system,  cryptographic algorithm,  

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According to the grey data generating techniques in grey system theory, we propose a novel cryptosystem, whose applications can develop a new direction in the field of information security. In this paper, we present the concepts of sum-lock, difference-lock, sum-ladder, and difference-ladder. By using these concepts, we can obtain a cryptosystem with lock generation and sum-difference replacement ladder. In addition, we provide the encryption and decryption algorithms of our cryptosystem and adopt an illustrative example to verify it.