Oblivious Transfer Using Elliptic Curves

Authors:
Abhishek Parakh
Affiliations:
Louisiana State University, USA
Venue:
CIC '06 Proceedings of the 15th International Conference on Computing
Year:
2006

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Abstract

We introduce the idea of Oblivious Transfer to Elliptic Curve Cryptography (ECC), which has the advantage of providing same security with a 160-bit key compared to 1024-bit key needed by RSA. Oblivious Transfer forms the basis of numerous protocols which can all now be analogously developed in ECC using the algorithm we present in this paper. Also, we look into one of its important applications known as chosen one-out-of-two Oblivious Transfer and present a protocol for it using the algorithm we discuss.