supported by the National Natural Science Foundation of China (90718001, 60821001);the National Basic Research Program of China (2007CB310704);National S&T Major Program (2009ZX 03004-003-03)
Threshold signature plays an important role to distribute the power of a single authority in modem electronic society. In order to add functions and improve efficiency of threshold signatures, a multi-policy threshold...
supported by the National Natural Science Foundation of China (NSFC);the Research Grants Council of Hong Kong (RGC) Joint Research Scheme (Grant No. 60731160626);the 111 Project (Grant No.B08004);the National Natural Science Foundation of China (Grant Nos. 60821001, 90718001);the Chinese Universities Scientific Fund (Grant No. BUPT2009RC0220)
Our concern, in the paper, is to construct information-theoretic secure network coding in the presence of eavesdroppers. Based on the generalized attack model and all-or-nothing transformation, the security of network...
supported by the National Natural Science Foundation of China (Grant Nos. 90718001, 60973159,60972034, 60773086, 60821001);the National High-Tech Research & Development Program of China (Grant No.2009AA01Z439);the National Basic Research Program of China (Grant No. 2007CB310704);(Japan) NICT International Exchange Program (Grant No. 2009-002)
The development of quantum computation casts serious threats to the securities of most existing public-key cryptosystems. Braid-based cryptography is one of the alternatives that have potential advantages in resisting...
国家自然科学基金(批准号:90718001;60973159;60972034;60773086;60821001);国家高技术研究发展计划(批准号:2009AA01Z439);国家重点基础研究发展计划(批准号:2007CB310704);(Japan)NICT International Exchange Program(批准号:2009-002)资助项目