| Constant-size structure-preserving signatures: Generic constructions and simple assumptions M Abe, M Chase, B David, M Kohlweiss, R Nishimaki, M Ohkubo Asiacrypt, 2012 | 142* | 2012 |
| Watermarking cryptographic capabilities A Cohen, J Holmgren, R Nishimaki, V Vaikuntanathan, D Wichs Proceedings of the forty-eighth annual ACM symposium on Theory of Computing …, 2016 | 125 | 2016 |
| Tagged one-time signatures: Tight security and optimal tag size M Abe, B David, M Kohlweiss, R Nishimaki, M Ohkubo Public-Key Cryptography–PKC 2013: 16th International Conference on Practice …, 2013 | 99 | 2013 |
| From cryptomania to obfustopia through secret-key functional encryption N Bitansky, R Nishimaki, A Passelegue, D Wichs Journal of Cryptology 33 (2), 357-405, 2020 | 72 | 2020 |
| Re-encryption, functional re-encryption, and multi-hop re-encryption: a framework for achieving obfuscation-based security and instantiations from lattices N Chandran, M Chase, FH Liu, R Nishimaki, K Xagawa International Workshop on Public Key Cryptography, 95-112, 2014 | 68 | 2014 |
| Anonymous traitor tracing: how to embed arbitrary information in a key R Nishimaki, D Wichs, M Zhandry Advances in Cryptology–EUROCRYPT 2016: 35th Annual International Conference …, 2016 | 67 | 2016 |
| CCA proxy re-encryption without bilinear maps in the standard model T Matsuda, R Nishimaki, K Tanaka Public Key Cryptography–PKC 2010, 261-278, 2010 | 66 | 2010 |
| Obfustopia Built on Secret-Key Functional Encryption F Kitagawa, R Nishimaki, K Tanaka Journal of Cryptology 35 (3), 1-102, 2022 | 46* | 2022 |
| Quantum encryption with certified deletion, revisited: Public key, attribute-based, and classical communication T Hiroka, T Morimae, R Nishimaki, T Yamakawa Advances in Cryptology–ASIACRYPT 2021: 27th International Conference on the …, 2021 | 45 | 2021 |
| Secure software leasing from standard assumptions F Kitagawa, R Nishimaki, T Yamakawa Theory of Cryptography Conference, 31-61, 2021 | 44 | 2021 |
| Compact structure-preserving signatures with almost tight security M Abe, D Hofheinz, R Nishimaki, M Ohkubo, J Pan Advances in Cryptology–CRYPTO 2017: 37th Annual International Cryptology …, 2017 | 44 | 2017 |
| Fast, compact, and expressive attribute-based encryption J Tomida, Y Kawahara, R Nishimaki Designs, Codes and Cryptography 89, 2577-2626, 2021 | 42 | 2021 |
| The direction of updatable encryption does matter R Nishimaki IACR International Conference on Public-Key Cryptography, 194-224, 2022 | 40 | 2022 |
| How to watermark cryptographic functions R Nishimaki Advances in Cryptology–EUROCRYPT 2013: 32nd Annual International Conference …, 2013 | 37 | 2013 |
| Information generation apparatus, method, program, and recording medium for deriving a decryption key from another decryption key K Suzuki, R Nishimaki US Patent 8,619,980, 2013 | 34 | 2013 |
| Adaptively secure constrained pseudorandom functions in the standard model A Davidson, S Katsumata, R Nishimaki, S Yamada, T Yamakawa Annual International Cryptology Conference, 559-589, 2020 | 33* | 2020 |
| Designated verifier/prover and preprocessing NIZKs from Diffie-Hellman assumptions S Katsumata, R Nishimaki, S Yamada, T Yamakawa Advances in Cryptology–EUROCRYPT 2019: 38th Annual International Conference …, 2019 | 33 | 2019 |
| Constrained PRFs for in traditional groups N Attrapadung, T Matsuda, R Nishimaki, S Yamada, T Yamakawa Annual International Cryptology Conference, 543-574, 2018 | 32 | 2018 |
| Key-private proxy re-encryption from lattices, revisited R Nishimaki, K Xagawa IEICE Transactions on Fundamentals of Electronics, Communications and …, 2015 | 29 | 2015 |
| Adaptively secure and succinct functional encryption: improving security and efficiency, simultaneously F Kitagawa, R Nishimaki, K Tanaka, T Yamakawa Advances in Cryptology–CRYPTO 2019: 39th Annual International Cryptology …, 2019 | 27 | 2019 |
Takashi YamakawaNTT Social Informatics Laboratories確認したメール アドレス: hco.ntt.co.jp