A Weakness in Some Oblivious Transfer and Zero-Knowledge Protocols.

Ventzislav Nikov Svetla Nikova Bart Preneel A Weakness in Some Oblivious Transfer and Zero-Knowledge Protocols. 348-363 2006 conf/asiacrypt/2006 ASIACRYPT http://dx.doi.org/10.1007/11935230_23 db/conf/asiacrypt/asiacrypt2006.html#NikovNP06