paring libraries which can be used in encryption algorithms and is useful to get curves-paring libraries which can be used in encryption algorithms and is useful to get curves

cp-abe代码 需要jpbc-1.2.0的环境 -cp-abe code needs jpbc-1.2.0 environment

jpbc比不能少的jar包,实现密码学实验中的jpbc库，很急很关键(Jpbc is more important than jar package, so it is very urgent to implement the jpbc Library in cryptography experiment)