Oblivious interactive hash function

An interactive hash function with an obliviousness guarantee, introduced by Barnum and Heath, that can be constructed from a random oracle yet implies oblivious transfer via a non-black-box reduction.

TODO: syntax and security definition.

Participates in

Builds on Oblivious interactive hash function

• OIHF ⇒ OT

Produces Oblivious interactive hash function

• ROM ⇒ OIHF

Barriers

• No fully-black-box reduction from OIHF to OT