A Survey on Various Attribute based Public Key Cryptography

A Public Key Encryption is a technique of encrypting the message using public keys so that the message is secure against various attacks. A Keyword based Public Key Encryption is a new way of providing security against various attacks. Although there are various keyword searches based public key encryption techniques are implemented. Here in this paper a survey of all the techniques based on Keyword search based public key encryption is analyzed and describes here, so that on the basis of their various advantages and limitations a new and efficient technique is implemented in future. Keywords—CP-ABE, OTPK, TRNG, Data Sharing, Key Escrow, Proxy Encryption.