Junji Shikata, “Developing Aggregate Message Authentication Codes and Its Standardization,” Invited Speaker, WG4, The 4th French-Japanese Cybersecurity Workshop, Annecy, France, May 17, 2018.
Junji Shikata, “Toward Lightweight Authentication: Application of Aggregate MACs for IoT”, Keynote Speaker, The 4th French-Japanese Cybersecurity Workshop, Annecy, France, May 16, 2018.
四方順司, ”横浜国立大学先端科学高等研究院「情報・物理セキュリティ研究ユニット」の活動紹介”, IoT Security Forum 2016, 東京, 2016年9月15日.
J. Shikata, “Recent topics and trends in cryptography and our challenges,” Yokohama Environment and Information Sciences (YEIS) International Forum, Yokohama, Japan, Dec. 23rd, 2015.
Y. Watanabe, “Unconditionally Secure Revocable Storage,” The 10th International Workshop on Security (IWSEC 2015), Nara, Japan, August 26th-28th, 2015.
四方順司, “Information-Theoretically Secure Anonymous Group Authentication with Arbitration: Formal Definition and Construction”, 城西大学ワークショップ-- Annual Workshop on Mathematics and Computer Science, 2014年3月25日.
J. Shikata, “Information-Theoretic Cryptography: Survey and Challenge”, JSPS-DST Asian Academic Seminar 2013 (AAS 2013: 日印アジアアカデミックセミナー), Discrete Mathematics and its Applications, Graduate School of Mathematical Sciences, the University of Tokyo, Japan, November 3-10, 2013.
Y. Watanabe, “Timed-Release Cryptography -Two Theoretical Approaches to Achieve Security”, JSPS-DST Asian Academic Seminar 2013 (AAS 2013: 日印アジアアカデミックセミナー), Discrete Mathematics and its Applications, Graduate School of Mathematical Sciences, the University of Tokyo, Japan, November 3-10, 2013.
J. Shikata, “Information Theoretic Security (Unconditional Security)”, Invited Speaker of the Session of Cryptography (Theoretical and Applied Mathematics/Informatics), Japanese-French Frontiers of Science Symposium (JFFoS: 第2回日仏先端科学 シンポジウム), Roscoff, France, January 25-27, 2008.
J. Shikata, “Construction Methodology of Unconditionally Secure Signature Schemes”, The 2nd International Conference on Information Theoretic Security (ICITS 2007), Madrid, Spain, May 2007.
J. Shikata, “Steganography with Unconditional Security”, The 2nd Franco-Japanese Computer Security Workshop, Tokyo, Japan, Dec.4-5, 2006.
四方順司, “Public-key Steganography with Provable Security”, 公開鍵暗号の安全な構成とその応用ワークショップ, 東京大学生産技術研究所, 2006年2月.
T. Matsumoto and J. Shikata, “Authenticated Encryption and Steganography in Unconditional Security”, The 2005 IEEE Information Theory Workshop on Theory and Practice on Information-Theoretic Security (ITW2005), Awaji Island, Japan, October 2005.
J. Shikata, “Encryption and Signatures with Unconditional Security”, French-Japanese Joint Symposium on Computer Security, Tokyo, Japan, September 5-7, 2005.
H. Imai, G. Hanaoka, J. Shikata, A. Otsuka, and A. Nascimento, “Cryptography with Information Theoretic Security”, The 2002 IEEE Information Theory Workshop (ITW2002), India, October 2002.