Oblivious Transfer Is Symmetric

We show that oblivious transfer of bits from A to B can be obtained from a single instance of the same primitive from B to A. Our reduction is perfect and shows that oblivious transfer is in fact a symmetric functionality. This solves an open problem posed by Cr

• Type: Conference
• Year: 2006
• Where: EUROCRYPT
• Authors: Stefan Wolf, Jürg Wullschleger
• Keywords: Cryptology, EUROCRYPT 2006, Oblivious Transfer, Single Instance, Symmetric Functionality