2010 Fiscal Year Final Research Report
Theoretical Study for Practical Applications of Information Theoretically Secure Cryptosystems
| Project/Area Number |
20760236
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| Research Category |
Grant-in-Aid for Young Scientists (B)
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| Allocation Type | Single-year Grants |
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| Research Field |
Communication/Network engineering
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| Research Institution | The University of Electro-Communications |
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Principal Investigator |
IWAMOTO Mitsugu The University of Electro-Communications, 先端領域教育研究センター, 特任助教 (50377016)
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| Project Period (FY) |
2008 – 2010
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| Keywords | 暗号・情報セキュリティ / 情報理論的暗号 / 秘密分散法 / 不正検出 |
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| Research Abstract |
We studied information theoretically secure cryptosystems in order to make them more practical. As a result, we obtained three results along with this research direction. Three main results are : (1) coding theorems for (2,2)-threshold secret sharing schemes secure against cheaters, (2) a proposal of efficient visual secret sharing schemes by relaxing information theoretical security notion, and (3) a new look at relations among information theoretically secure and computationally secure symmetric key encryptions. Furthermore, we obtained several results in cryptography and information security in which information theoretic methods are effectively utilized.
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[Presentation] 電磁波解析における局所性と放射磁界方向について2011
Author(s)
落合隆夫, 山本大, 伊藤孝一, 武仲正彦, 鳥居直哉, 内田大輔, 永井利明, 若菜伸一, 岩本貢, 太田和夫, 崎山一男
Organizer
暗号と情報セキュリティシンポジウム(SCIS2011), 2D3-3
Year and Date
2011-01-26
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