Luke McAven Reihaneh Safavi-Naini Moti Yung Unconditionally Secure Encryption Under Strong Attacks. 427-439 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3108&spage=427 2004 conf/acisp/2004 ACISP db/conf/acisp/acisp2004.html#McAvenSY04