Attribute based encryption simulation and code implementation (cp-abe) paper: ciphertext policy attribute based encryption

1、 Simulation paper ：Ciphertext-Policy Attribute-Based Encryption

2、 Use the library ：JPBC + lombok

3、 Directory structure ：

3.1 essay： The paper

3.2 lib：jpbc library

3.3 params： Elliptic curve parameters

3.4 src： Source code

1. attribute： Property object
2. engine： Attribute based encryption engine , complete encrypt、decrypt、keyGen Work
3. polynomial： Encapsulated polynomial object
4. structure： Access tree structure
5. test： Test class
6. text： Plaintext and ciphertext objects
7. util： Tool class

4、 How to use

according to test Under bag Text.class Class getAccessTree() Method example , Build an access tree structure , And then according to test1() Method to encrypt and decrypt

5、github Address

https://github.com/lengnu/CP-ABE Give me one if it's useful star Oh