Yuji SUGIYAMA

An Efficient On-Line Electronic Cash with Unlinkable Exact Payments
Toru NAKANISHI Yuji SUGIYAMA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/10/01
Vol. E88-A  No. 10  pp. 2769-2777
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Cryptography and Information Security
Keyword: 
on-line e-cash, unlinkability, exact payments, zero-knowledge proofs of knowledge, paillier cryptosystem, 
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A Group Signature Scheme with Efficient Membership Revocation for Middle-Scale Groups
Toru NAKANISHI Yuji SUGIYAMA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/05/01
Vol. E88-A  No. 5  pp. 1224-1233
Type of Manuscript:  Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
Category: 
Keyword: 
group signature, membership revocation, strong RSA assumption, 
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Sealed-Bid Auctions with Efficient Bids Using Secure Bit-Slicing Conversion
Toru NAKANISHI Yuji SUGIYAMA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2004/10/01
Vol. E87-A  No. 10  pp. 2533-2542
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Cryptography and Information Security
Keyword: 
sealed-bid auction, multiparty computation (MPC), mix-and-match, additive homomorphic cryptosystems, 
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An Efficient Anonymous Survey for Attribute Statistics Using a Group Signature Scheme with Attribute Tracing
Toru NAKANISHI Yuji SUGIYAMA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2003/10/01
Vol. E86-A  No. 10  pp. 2560-2568
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Information Security
Keyword: 
anonymous survey for attribute statistics, group signature scheme, attribute tracing, signature of knowledge, strong RSA assumption, 
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An Efficiency Improvement on an Unlinkable Divisible Electronic Cash System
Toru NAKANISHI Yuji SUGIYAMA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2002/10/01
Vol. E85-A  No. 10  pp. 2326-2335
Type of Manuscript:  PAPER
Category: Information Security
Keyword: 
electronic cash system, divisibility, unlinkability, group signature scheme, signatures based on zero-knowledge proofs of knowledge, 
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The Number of Elements in Minimum Test Set for Locally Exhaustive Testing of Combinational Circuits with Five Outputs
Tokumi YOKOHIRA Toshimi SHIMIZU Hiroyuki MICHINISHI Yuji SUGIYAMA Takuji OKAMOTO 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1995/07/25
Vol. E78-D  No. 7  pp. 874-881
Type of Manuscript:  Special Section PAPER (Special Issue on Verification, Test and Diagnosis of VLSI Systems)
Category: 
Keyword: 
built-in self-test, exhaustive testing, test pattern generation, minimum test set, dependence matrix, 
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An Algebraic Specification of a Daisy Chain Arbiter
Yu Rong HOU Atsushi OHNISHI Yuji SUGIYAMA Takuji OKAMOTO 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1992/11/25
Vol. E75-D  No. 6  pp. 778-784
Type of Manuscript:  Special Section PAPER (Special Issue on Pacific Rim International Symposium on Fault Tolerant Systems)
Category: 
Keyword: 
specification, algebraic method, asynchronous circuits, arbiter, 
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Test Set for a Multibit Shifter Constructed with Multiplexers
Tokumi YOKOHIRA Hiroyuki MICHINISHI Takuji OKAMOTO Yuji SUGIYAMA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1990/08/25
Vol. E73-E  No. 8  pp. 1301-1309
Type of Manuscript:  Special Section PAPER (Special Issue on Fault-Tolerant Systems)
Category: 
Keyword: 
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Functional Programming for the Telegram Analysis Problem
Yuji SUGIYAMA Koji TORII Tadao KASAMI 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1988/05/25
Vol. E71-E  No. 5  pp. 523-529
Type of Manuscript:  PAPER
Category: Software Theory
Keyword: 
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