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Title:
Construction of Fully CCA-Secure Predicate Encryptions from Pair Encoding Schemes
Authors: Johannes Blömer, Gennadij Liske
Abstract:This paper presents a new framework for constructing fully CCA-secure predicate encryption schemes from pair encoding schemes. Our construction is the first in the context of predicate encryption which uses the technique of well-formedness proofs known from public key encryption. The resulting constructions are simpler and more efficient compared to the schemes achieved using known generic transformations from CPA-secure to CCA-secure schemes. The reduction costs of our framework are comparable to the reduction costs of the underlying CPA-secure framework. We achieve this last result by applying the dual system encryption methodology in a novel way.
ePrint: https://eprint.iacr.org/2016/206
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