Bilinear Entropy Expansion From The Decisional Linear Assumption
Advances in Cryptology -- CRYPTO 2015(2015)
摘要
We develop a technique inspired by pseudorandom functions that allows us to increase the entropy available for proving the security of dual system encryption schemes under the Decisional Linear Assumption. We show an application of the tool to Attribute-Based Encryption by presenting a Key-Policy ABE scheme that is fully-secure under DLIN with short public parameters.
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