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Paper 2004/336
Oblivious Transfer Is Symmetric
Stefan Wolf and Jürg Wullschleger
Abstract
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 Crépeau and Sántha in 1991.
Metadata
- Available format(s)
- PDF PS
- Category
- Foundations
- Publication info
- Published elsewhere. Eurocrypt '06
- Keywords
- oblivious transfer
- Contact author(s)
- wjuerg @ inf ethz ch
- History
- 2006-02-23: last of 4 revisions
- 2004-12-02: received
- See all versions
- Short URL
- https://ia.cr/2004/336
- License
-
CC BY