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Kazuo Ohta
Kazuo Ohta
Verified email at uec.ac.jp
Title
Cited by
Cited by
Year
A practical secret voting scheme for large scale elections
A Fujioka, T Okamoto, K Ohta
International Workshop on the Theory and Application of Cryptographic …, 1992
13701992
Universal electronic cash
T Okamoto, K Ohta
Annual international cryptology conference, 324-337, 1991
6521991
Attribute-based encryption with partially hidden encryptor-specified access structures
T Nishide, K Yoneyama, K Ohta
International conference on applied cryptography and network security, 111-129, 2008
4802008
Method and apparatus for implementing electronic cash
K Ohta, T Okamoto
US Patent 4,977,595, 1990
3601990
Accountable-subgroup multisignatures
S Micali, K Ohta, L Reyzin
Proceedings of the 8th ACM Conference on Computer and Communications …, 2001
3492001
Multiparty computation for interval, equality, and comparison without bit-decomposition protocol
T Nishide, K Ohta
International Workshop on Public Key Cryptography, 343-360, 2007
3072007
Fault sensitivity analysis
Y Li, K Sakiyama, S Gomisawa, T Fukunaga, J Takahashi, K Ohta
International workshop on cryptographic hardware and embedded systems, 320-334, 2010
2602010
Disposable zero-knowledge authentications and their applications to untraceable electronic cash
T Okamoto, K Ohta
Conference on the Theory and Application of Cryptology, 481-496, 1989
1911989
A digital multisignature scheme based on the Fiat-Shamir scheme
K Ohta, T Okamoto
International Conference on the Theory and Application of Cryptology, 139-148, 1991
1881991
A modification of the Fiat-Shamir scheme
K Ohta, T Okamoto
Conference on the Theory and Application of Cryptography, 232-243, 1988
1721988
On concrete security treatment of signatures derived from identification
K Ohta, T Okamoto
Annual International Cryptology Conference, 354-369, 1998
1651998
Electronic cash system
T Okamoto, K Ohta
US Patent 5,224,162, 1993
1571993
Multi-signature schemes secure against active insider attacks
K Ohta, T Okamoto
IEICE Transactions on Fundamentals of Electronics, Communications and …, 1999
1541999
Electronic cash implementing method using a trustee
E Fujisaki, T Okamoto, K Ohta
US Patent 5,901,229, 1999
1191999
Divertible zero knowledge interactive proofs and commutative random self-reducibility
T Okamoto, K Ohta
Workshop on the Theory and Application of of Cryptographic Techniques, 134-149, 1989
1171989
Identity-based conference key distribution systems
K Koyama, K Ohta
Conference on the Theory and Application of Cryptographic Techniques, 175-184, 1987
1091987
Authentication system and apparatus therefor
K Ohta, T Okamoto
US Patent 4,969,189, 1990
931990
How to simultaneously exchange secrets by general assumptions
T Okamoto, K Ohta
Proceedings of the 2nd ACM Conference on Computer and Communications …, 1994
871994
Method and apparatus for implementing traceable electronic cash
K Ohta, E Fujisaki, A Fujioka, M Abe
US Patent 5,889,862, 1999
861999
On the power of fault sensitivity analysis and collision side-channel attacks in a combined setting
A Moradi, O Mischke, C Paar, Y Li, K Ohta, K Sakiyama
International Workshop on Cryptographic Hardware and Embedded Systems, 292-311, 2011
842011
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