Research field (2):
Communication and network engineering
, Information theory
Research keywords (4):
暗号学
, 情報セキュリティ
, Cryptology
, Information Security
Research theme for competitive and other funds (7):
2013 - 2015 検索可能暗号の機能拡張
2005 - 2007 Pairing 応用
2005 - 2007 Pairing based Cryptography
2004 - 2006 プライバシ保護関連技術
2004 - 2006 Security and Privacy
2002 - 2006 電子投票
2002 - 2006 Electronic Voting
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Papers (26):
Koji Shima, Hiroshi Doi. A Hierarchical Secret Sharing Scheme over Finite Fields of Characteristic 2. Journal of Information Processing. 2017. 25. 875-883
Koji Tomida, Hiroshi Doi, Masami Mohri, Yoshiaki Shiraishi. Ciphertext Divided Anonymous HIBE and Its Transformation to Identity-Based Encryption with Keyword Search. 2015. 56. 9
General Construction of Certified Data Transmission Protocol Using ID-Based Encryption and ID-Based Signature. 2014. 2014. 4. 1-6