Bernardo M. David,  Anderson C. A. Nascimento,  Rodrigo B. Nogueira. 

In this paper we propose the first code-based oblivious transfer protocol with perfect (unconditional) security for one of the parties. To obtain this result we show that the McEliece cryptosystem is rerandomizable, a property that might be of independent interest.

http://www.lbd.dcc.ufmg.br/colecoes/sbseg/2010/005.pdf

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