简介:Withouttheassumptionthattheprivatekeysarekeptsecureperfectly,cryptographicprimitivescannotbedeployedintheinsecureenvironmentswherethekeyleakageisinevitable.Inordertoreducethedamagecausedbythekeyexposureintheidentity-based(ID-based)signaturescenariosefficiently,weproposeanID-basedkey-insulatedsignatureschemeinthispaper,whicheliminatestheexpensivebilinearpairingoperations.Comparedwiththepreviouswork,ourschememinimizesthecomputationcostwithoutanyextracost.Underthediscretelogarithm(DL)assumption,asecurityproofofourschemeintherandomoraclemodelhasalsobeengiven.
简介:是的巨大的部门操作广泛地为象图形的处理那样的设备作为最昂贵的操作之一接受了联合起来的完美地匹配的层(CPML)算法受不了的卷绕旋转的平行加速(GPU),地可编程的门数组(FPGA)等等。在更高的效率和更低的电源消费的追求,这篇文章重游CPML理论并且建议了新快没有部门的平行CPML结构。由最佳地重排CPML内部重复进程,所有部门操作符能被recalculating消除并且代替脱机更新系数的相关的域。实验证明没有任何精确性损失,建议没有部门的结构能节省超过50%算术指令和传统的平行CPML结构的25%实行时间。