| An improvement of discrete Tardos fingerprinting codes K Nuida, S Fujitsu, M Hagiwara, T Kitagawa, H Watanabe, K Ogawa, ... Designs, Codes and Cryptography 52 (3), 339-362, 2009 | 102 | 2009 |
| Watermarking for HEVC/H. 265 stream K Ogawa, G Ohtake 2015 IEEE international conference on consumer electronics (ICCE), 102-103, 2015 | 37 | 2015 |
| Attribute-based encryption for range attributes N Attrapadung, G Hanaoka, K Ogawa, G Ohtake, H Watanabe, S Yamada IEICE Transactions on Fundamentals of Electronics, Communications and …, 2018 | 31 | 2018 |
| Attribute-Based Encryption for Range Attributes N Attrapadung, G Hanaoka, K Ogawa, G Ohtake, H Watanabe, S Yamada Conference on Security and Cryptography for Networks, 42-61, 2016 | 31 | 2016 |
| An improvement of Tardos’s collusion-secure fingerprinting codes with very short lengths K Nuida, S Fujitsu, M Hagiwara, T Kitagawa, H Watanabe, K Ogawa, ... International Symposium on Applied Algebra, Algebraic Algorithms, and Error …, 2007 | 30 | 2007 |
| On the theoretical gap between group signatures with and without unlinkability G Ohtake, A Fujii, G Hanaoka, K Ogawa International Conference on Cryptology in Africa, 149-166, 2009 | 22 | 2009 |
| An efficient strong key-insulated signature scheme and its application G Ohtake, G Hanaoka, K Ogawa European Public Key Infrastructure Workshop, 150-165, 2008 | 22 | 2008 |
| Efficient broadcast encryption with personalized messages G Ohtake, G Hanaoka, K Ogawa International Conference on Provable Security, 214-228, 2010 | 17 | 2010 |
| Anonymous authentication scheme for subscription services A Fujii, G Ohtake, G Hanaoka, K Ogawa International Conference on Knowledge-Based and Intelligent Information and …, 2007 | 15 | 2007 |
| Watermarking application system for broadcast contents copyright protection T Yamada, H Yoshiura, I Echizen, S Tago, S Goshi, K Ogawa, I Murota, ... US Patent App. 10/411,393, 2004 | 14 | 2004 |
| Privacy preserving system for integrated broadcast-broadband services using attribute-based encryption G Ohtake, K Ogawa, R Safavi-Naini IEEE Transactions on Consumer Electronics 61 (3), 328-335, 2015 | 13 | 2015 |
| Traitor tracing scheme secure against adaptive key exposure and its application to anywhere TV service K Ogawa, G Hanaoka, H Imai IEICE transactions on fundamentals of electronics, communications and …, 2007 | 13 | 2007 |
| Managing encryption and key publication independently in Digital Rights Management Systems G Hanaoka, K Ogawa, I Murota, G Ohtake, K Majima, S Gohshi, ... IEICE transactions on fundamentals of electronics, communications and …, 2004 | 10 | 2004 |
| Secure broadcast system with simultaneous individual messaging A Fujii, G Ohtake, G Hanaoka, N Attrapadung, H Watanabe, K Ogawa, ... IEICE transactions on fundamentals of electronics, communications and …, 2011 | 8 | 2011 |
| Integrated broadcasting communications receiver, resource access controlling program, and integrated broadcasting communications system H Ohmata, K Majima, T Inoue, K Ogawa, A Fujii, K Otsuki, G Ohtake, ... US Patent App. 14/118,391, 2014 | 7 | 2014 |
| Efficient provider authentication for bidirectional broadcasting service G Ohtake, G Hanaoka, K Ogawa IEICE transactions on fundamentals of electronics, communications and …, 2010 | 7 | 2010 |
| An efficient 2-secure and short random fingerprint code and its security evaluation K Nuida, S Fujitsu, M Hagiwara, H Imai, T Kitagawa, K Ogawa, ... IEICE transactions on fundamentals of electronics, communications and …, 2009 | 7 | 2009 |
| A Constant-Size Signature Scheme with a Tighter Reduction from the CDH Assumption K KAJITA, K OGAWA, E FUJISAKI IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and …, 2020 | 6 | 2020 |
| A Constant-Size Signature Scheme with Tighter Reduction from CDH Assumption K Kajita, K Ogawa, E Fujisaki International Conference on Information Security, 137-154, 2017 | 6 | 2017 |
| Weakened anonymity of group signature and its application to subscription services K Ogawa, G Ohtake, A Fujii, G Hanaoka IEICE Transactions on Fundamentals of Electronics, Communications and …, 2014 | 6 | 2014 |
