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Dear editor,Attribute-based encryption(ABE)was first introduced by Sahai and Waters[1]where the decryption ability of a user is based on his attributes.Later,it was divided into ciphertext-policy ABE(CP-ABE)and key-policy ABE(KP-ABE)[2].
Dear editor, Attribute-based encryption (ABE) was first introduced by Sahai and Waters [1] where the decryption ability of a user is based on his attributes.Later, it was divided into ciphertext-policy ABE (CP-ABE) and key -policy ABE (KP-ABE) [2].