Constructions, Lower Bounds, and New Directions in Cryptography and Computational Complexity
In the first part of the thesis we show black-box separations in public and private-key cryptography. Our main result answers in the negative the question of whether we can base Identity Based Encryption (IBE) on Trapdoor Permutations. Furthermore, we make progress towards the black-box separation...
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| Language: | en_ca |
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2010
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| Online Access: | http://hdl.handle.net/1807/24843 |