On the Impossibility of Basing Identity Based Encryption on Trapdoor Permutations.

Dan Boneh Periklis A. Papakonstantinou Charles Rackoff Yevgeniy Vahlis Brent Waters On the Impossibility of Basing Identity Based Encryption on Trapdoor Permutations. 283-292 2008 FOCS http://dx.doi.org/10.1109/FOCS.2008.67 conf/focs/2008 db/conf/focs/focs2008.html#BonehPRVW08