Cryptography Cloud computing 2 Digital storage 2 Distributed systems 2 Lightweight 2 Access control 1 Advanced technology 1 Asymmetric 1 Attribute-based encryptions 1 Authentication 1 Big Data Computing 1 Big data 1 Cellular automata 1 Cipher 1 Ciphertext-policy attribute-based encryptions 1 Cloud Computing 1 Cloud storage systems 1 Communication tools 1 Computer activities 1 Computer architecture 1 Computing technology 1 Cryptographic techniques 1 Diffie-Hellman 1 Distributed computer systems 1 Distributed database systems 1 Elliptic Curve Cryptography(ECC) 1 Encryption 1 Encryption schemes 1 Entropy 1 Finite state machine 1