Receiver- and sender-deniable functional encryption.

Deniable encryption, first introduced by Canetti et al. 1997, allows equivocation of encrypted communication. In this work, the authors generalise its study to functional encryption (FE). The authors' results are summarised as follows: They first put forward and motivate the concept of receiver-deniable FE, for which they consider two models. In the first model, as previously considered by O'Neill...