A practical secret voting scheme for large scale elections A Fujioka, T Okamoto, K Ohta Advances in Cryptology—AUSCRYPT'92: Workshop on the Theory and Application …, 1993 | 1460 | 1993 |
Universal electronic cash T Okamoto, K Ohta Annual international cryptology conference, 324-337, 1991 | 699 | 1991 |
Attribute-based encryption with partially hidden encryptor-specified access structures T Nishide, K Yoneyama, K Ohta Applied Cryptography and Network Security: 6th International Conference …, 2008 | 566 | 2008 |
Accountable-subgroup multisignatures S Micali, K Ohta, L Reyzin Proceedings of the 8th ACM Conference on Computer and Communications …, 2001 | 414 | 2001 |
Method and apparatus for implementing electronic cash K Ohta, T Okamoto US Patent 4,977,595, 1990 | 390 | 1990 |
Multiparty computation for interval, equality, and comparison without bit-decomposition protocol T Nishide, K Ohta Public Key Cryptography–PKC 2007: 10th International Conference on Practice …, 2007 | 358 | 2007 |
Fault sensitivity analysis Y Li, K Sakiyama, S Gomisawa, T Fukunaga, J Takahashi, K Ohta Cryptographic Hardware and Embedded Systems, CHES 2010: 12th International …, 2010 | 312 | 2010 |
A digital multisignature scheme based on the Fiat-Shamir scheme K Ohta, T Okamoto Advances in Cryptology—ASIACRYPT'91: International Conference on the Theory …, 1993 | 200 | 1993 |
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 | 199 | 1989 |
A modification of the Fiat-Shamir scheme K Ohta, T Okamoto Advances in Cryptology—CRYPTO’88: Proceedings 8, 232-243, 1990 | 179 | 1990 |
On concrete security treatment of signatures derived from identification K Ohta, T Okamoto Advances in Cryptology—CRYPTO'98: 18th Annual International Cryptology …, 1998 | 172 | 1998 |
Multi-signature schemes secure against active insider attacks K Ohta, T Okamoto IEICE Transactions on Fundamentals of Electronics, Communications and …, 1999 | 171 | 1999 |
Electronic cash system T Okamoto, K Ohta US Patent 5,224,162, 1993 | 160 | 1993 |
Electronic cash implementing method using a trustee E Fujisaki, T Okamoto, K Ohta US Patent 5,901,229, 1999 | 132 | 1999 |
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 | 121 | 1989 |
Identity-based conference key distribution systems K Koyama, K Ohta Advances in Cryptology—CRYPTO’87: Proceedings 7, 175-184, 1988 | 109 | 1988 |
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 Cryptographic Hardware and Embedded Systems–CHES 2011: 13th International …, 2011 | 94 | 2011 |
Authentication system and apparatus therefor K Ohta, T Okamoto US Patent 4,969,189, 1990 | 93 | 1990 |
How to simultaneously exchange secrets by general assumptions T Okamoto, K Ohta Proceedings of the 2nd ACM Conference on Computer and Communications …, 1994 | 91 | 1994 |
Information-theoretic approach to optimal differential fault analysis K Sakiyama, Y Li, M Iwamoto, K Ohta IEEE Transactions on Information Forensics and Security 7 (1), 109-120, 2011 | 90 | 2011 |