Access control of blockchain based on dual-policy attribute-based encryption.
Daojun HanJinyu ChenLei ZhangYatian ShenXueheng WangYihua GaoPublished in: HPCC/DSS/SmartCity (2020)
Keyphrases
- attribute based encryption
- access control
- ciphertext
- access control policies
- access structure
- standard model
- policy enforcement
- rbac model
- security model
- encryption scheme
- diffie hellman
- dynamic access control
- multi attribute
- data security
- secret key
- fine grained
- public key
- security policies
- conflict resolution
- access control systems
- security mechanisms
- metric space
- access control models
- xml access control
- databases
- role based access control
- database security
- data sharing
- information sharing
- low cost