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Security of the Jan-Tseng integrated schemes for user authentication and access control

โœ Scribed by He, W.-H.; Wu, T.-C.


Book ID
114448449
Publisher
The Institution of Electrical Engineers
Year
2000
Tongue
English
Weight
96 KB
Volume
147
Category
Article
ISSN
1350-2387

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โœ Chien-Lung Hsu; Tzong-Sun Wu ๐Ÿ“‚ Article ๐Ÿ“… 2003 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 152 KB

## Recently, Wu and Chang and Shen and Chen separately proposed a cryptographic key assignment scheme for solving access control problem in a partially ordered user hierarchy. However, this paper will show the security leaks inherent in both schemes based on polynomial interpolations. That is, the u