Universally Composable Adaptive Priced Oblivious Transfer KU Leuven
An adaptive k-out-of-N Priced Oblivious Transfer (POT) scheme is a two-party protocol between a vendor and a buyer. The vendor sells a set of messages m 1 , ⋯ ,m N with prices p 1 , ⋯ , p N . In each transfer phase i=1, ⋯ , k, the buyer chooses a selection value σ i {1, ⋯ ,N} and interacts with the vendor to buy message m σi in such a way that the vendor does not learn σ i and the buyer does not get any information about the other messages. We ...