| Budget Amount *help |
¥3,640,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥840,000)
Fiscal Year 2014: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2013: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
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| Outline of Final Research Achievements |
Our target here was the realization of the effective non-interactive zero-knowledge proof system, which had been realized only by the pairing-based construction, in the other construction ( with the RSA) that yield benefit of enlarging its applied area. It is worth noting that existing work in the field of attribute-based encryption scheme that is one of the extensions of ID-based encryption scheme owes its construction to the pairing technique. Our research succeeded to construct an attribute-based signature scheme that does not utilize the pairing technique, which was the problem in our study. We presented this result in ACM AsiaPKC2014.
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