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四方研究室
Showing the original Japanese · View translation
暗号理論と数理アルゴリズムを基礎から研究する研究室。
AboutAbout the lab
基礎理論から、暗号の安全性を探る。
四方研究室は、
暗号理論は、
公開鍵暗号や、
数理的な
Key terms
- 離散対数問題
- 計算困難であると
仮定されている 問題の 一つ。 暗号の 安全性を 保証する ときの 仮定に 使われる - 情報理論的暗号理論
- 攻撃者への
情報漏えいの 度合いを 見積もり、 計算能力の 仮定なしに 安全性を 保証する 暗号理論 - 結合
可能安全性 - 暗号システムが
他の システムと 自由に 結合しても、 安全である ことを 保証できる 性質
ResearchResearch themes
暗号理論や
*Illustrative image計算困難な問題を解くアルゴリズム
計算困難と
*Illustrative image計算量理論的暗号理論
素因数分解や
*Illustrative image情報理論的暗号理論
攻撃者への
*Illustrative image結合可能安全性の理論
暗号システムや
MembersFaculty
四方研究室の
- Professor四方 順司
- IAS Professor徐 浩源
- Project Lecturer佐藤 慎悟
- Project Assistant Professor冨田 斗威
- Project Assistant ProfessorJO Hyungrok
- Project Assistant Professor松峯 利樹
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Asymmetric encryption scheme” MarcT0K (icons by JGraph) / CC BY 4.0 (cropped)
- 計算困難な
問題を 解く アルゴリズム: “D-Wave Two 512 qubit Vesuvius chip” Steve Jurvetson / CC BY 2.0 (cropped) - 計算量理論的暗号理論: “Asymmetric encryption (colored)” Nicobon / CC BY-SA 4.0 (cropped)
- 情報理論的暗号理論: “Love padlocks on the Butchers' Bridge (Ljubljana)” Petar Milošević / CC BY-SA 4.0 (cropped)
- 結合
可能安全性の 理論: “Three stage quantum cryptography protocol” Gauntman1 / CC BY-SA 3.0 (cropped) - Related lab (暗号理論，
情報セキュリティ， 情報理論 （冨田 斗威） ): “Padlock with lattice background” M. B., Jr. / CC BY-SA 4.0 (cropped) - Related lab (暗号理論
（佐藤 慎悟） ): “SecurityTokens.CryptoCard.agr” ArnoldReinhold at en.wikipedia. Later version(s) were uploaded by Silverxxx at en.wikipedia. / CC BY-SA 3.0 (cropped) - Related lab (西島研究室
（光ナノマテリアル研究室） ): “Metasurface ( )” National Institute of Standards and Technology / Public domain (cropped) - Related lab (森研究室): “Library stacks of books and bookshelf” Shixart1985 / CC BY 2.0 (cropped)
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