Identity Based cryptography with Outsourced Revocation in cloud computing for Feedback Management System for Educational Institutes

Computer Engineering

IBE which simplifies public key and certificate management at Public Key Infrastructure (PKI) .Identity Based Encryption scheme is best to the public key encryption. One of the main Disadvantage of Identity Based Encryption (IBE) is overhead computation at private key generator during user revocation. In Proposed system use outsourcing computation in IBE and propose a revocable IBE scheme in server aided Our proposed scheme offload key generation related operations during key issuing and key updating using Key update cloud service provider (KU-CSP).using Constant number of calculation. This gaol achieve by utilizing novel collusion resistance technique. We generate private key for every user and use AND logic to connect identity component and time component. Propose another construction which provable secure under the recently formalized referenced Delegation of computation model.

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