3DIANELOS GEORGES GEORGOUDIS,DAMON LEROUS,BILLY SIMON CHAVES.FROG algorithm description[Z].Computer Security Resource Center,National Institute of Standards&Technology,Gaithershburg,Marlyland USA:http://csrc.nist.gov／encryption／aes／round1／conf1／frog_slides.pdf,2002.
4CLUSIERS.FROG encryption standard introduction[Z].Department of Electrical Engineering.Princeton University,Princeton USA:http:／／www.ee.princeton.edu／～rblee／frog／,1999.
