… In the scheme [36], the trusted central authority is removed and … [37] provided a multi-authority
attribute-based encryption … protocol that is used to remove key escrow from IBE scheme [38]…

… We display that key escrow hassle and also key … be removed from a conclusive cipher text?
It shows a CL requires facilitated endeavor with the KA and CS for unscramble cipher textual …

… cloud computing application, attribute based encryption (ABE) … How to eliminate the key
escrow is also an important and … the trusted central authority is removed and an anonymous key …

… Efficient revocation in ciphertext-policy attribute-based encryption based cryptographic
cloud … Removing escrow from ciphertext policy attribute- based encryption. Computers and …

… Traceability, revocation and key escrow issues will be detailed in this section. … Then,
we define the Ciphertext Policy Attribute Based Encryption (CPABE) scheme and its security …

… In fact, we hope the system still works normally after the delete operation is … Ciphertext-policy
attribute based encryption supporting any monotone access structures without escrow…

… Our proposed traceable-revocable layer over ciphertext-policy attribute-based encryption (…
, revocability of users without collusion and also removes the key escrow problem, all at once. …

… introduce a revocable blockchain-aided attribute-based encryption with escrowfree (BC-ABE…
replaces the key authority to solve the key escrow problem, where the consensus nodes are …

… policy, were removed from the user’s side. For instance, in libfenc [15], about 3000 lines are
dedicated to access policy … by preventing the key-escrow problem produced when attackers …

… In addition, in order to improve the decryption efficiency of attribute-based encryption and
make the scheme better adapt to the resource-constrained environment, we extend the …