Abstract—Cloud computing is an emerging computing paradigm in which resources of the computing infrastructure are provided as services over the Internet. Promising as it is, this paradigm also brings forth many new challenges for data security and a
用于CP_ABE相关方案的编程。The cpabe toolkit provides a set of programs implementing a ciphertext-policy attribute-based encryption scheme. It uses the PBC library for the algebraic operations. Note that the cpabe toolkit might not compile against versions of
