Titlebook: Information and Communications Security; First International Yongfei Han,Tatsuaki Okamoto,Sihan Qing Conference proceedings 1997 Springer-

transdermal

Secret sharing in hierarchical groups,We introduce the idea of hierarchical delegation within a secret sharing scheme and consider solutions with both conditional and unconditional security.

Allege

-code = Affine resolvable + BIBD,We say that an ..-code is optimum if it has the minimum cheating probabilities and the minimum sizes of keys. We first show that an optimum ..-code implies an affine .-resolvable design. Next, we define an affine .-resolvable + BIBD design and prove that an optimum ..-code is equivalent to an affine .-resolvable + BIBD design.

fiscal

CORE

Lecture Notes in Computer Sciencehttp://image.papertrans.cn/i/image/465895.jpg

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Zero-knowledge proofs of decision power: New protocols and optimal round-complexity, number of rounds of zero-knowledge proofs of membership to our “decision power model”. This shows that (under some technical restrictions) our protocol is round-optimal unless the considered language is in BPP (which seems unlikely).

珠寶

芳香一點

Design of a security platform for CORBA based application,l security services which are dependent on supporting security technology will be provided as external security services for replaceability. Implementation issues such as how to simulate an interceptor mechanism using a commercial ORB product without source code, and how to extend Current object required for security services are also described.

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Duality of Boolean functions and its cryptographic significance,s that are related to lower bounds on nonlinearity, as well as on the number of terms, of Boolean functions. We hope that these results would stimulate the research community‘s interest in further exploring this important area.

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BRAWL