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Atsuko Miyaji Professor
School of Information Science（Department of Information Science・Theoretical Information Science）

■Degrees

Dr. Sc. degree from Osaka University (1997)

■Professional Career

JAIST　Information Science (1998/12-Currant)　
NARA Institute of Science and Technology part-time lecturer(2008/4-2009/3)　
The Kyoto College of Graduate Studies for Informatics　part-time lecturer(2008/4-2008/9)　
The Kyoto College of Graduate Studies for Informatics　part-time lecturer(2007/4-2007/9)　
University of California, Davis (2002/4-2003/2)　
Matsushita Electric Industrial Co., LTD (1990)

■Specialties

Information Security, Number-theoretic Algorithms

■Research Interests

Information security
New threats like hackers, computer crimes, tapping, forgeries, etc. have become serious problems. Information security aims at protecting electronic information against such threats. I have been studying information security, especially in cryptographic protocols such as signatures, and key agreements. My interests also include its applications like network security and copy protection.
Number-theoretic Algorithms
Number-theoretic algorithms are an important base of public key cryptography, which concerns both its efficiency and its security. I have studied arithmetic algorithms like addition chain and security about the discrete logarithm problem and the elliptic curve discrete logarithm problem.

■Publications

◇Published Papers

  • A Dynamic Attribute-Based Group Signature Scheme and its Application in an Anonymous Survey for the Collection of Attribute Statistics，K. Emura, A. Miyaji, K. Omote，IPSJ Journal，50，9，1968-1983
  • ``A Selectable k-Times Relaxed Anonymous Authentication Scheme"，K. Emura, A. Miyaji and K. Omote，The 10th International Workshop on Information Security Applications (WISA 2009), Lecture Notes in Computer Science, Springer-Verlag，5932，281-295，2009
  • ``New Correlations of RC4 PRGA Using Nonzero-Bit Differences"，A. Miyaji and M. Sukegawa，ACISP 2009, Lecture Notes in Computer Science, Springer-Verlag，5594，134-152，2009

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◇Lectures and Presentations

  • ``Elliptic Curve Cryptosystem for the Privacy Protection:Theory and International Standardization"，Atsuko Miyaji，UK-JAPAN Symposium on ``Privacy and Security in the Information Society"，英国大使館，11-12th Nov., 2008
  • 「双線型写像応用に適した楕円製曲線の最新技術及び標準化動向」，宮地　充子，RSA Conference 2007，東京プリンスホテル，2007/4/25
  • "Privacy Rights in the Digital Age Technological,-How to Protect Privacy Right by the technology of Information Security-",，Atsuko Miyaji，International Forum on Privacy Rights in the Digital Age,Korean National Commission for UNESCO,，September 2005.

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■Extramural Activities

◇Academic Society Affiliations

  • International Association for Crytologic Research(IACR)，Member，1991-

◇Other Activities

  • Special Section on Discrete Mathematics and Its Applications
  • Telecommunications Technology Council(1999-2000)

■Academic Awards Received

  • IPSJ/ITSCJ Project Editor Award，Information Processing Society of Japan，2009
  • IPSJ/ITSCJ Project Editor Award，Information Technology Standards Commission of Japan，2008
  • DoCoMo Mobile Science Awards，NPO Mobile Communication Fund，2008

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© Japan Advanced Institute of Science and Technology 2007