Cuauhtemoc Mancillas-López Debrup Chakraborty Francisco Rodríguez-Henríquez Efficient Implementations of Some Tweakable Enciphering Schemes in Reconfigurable Hardware. 414-424 2007 conf/indocrypt/2007 INDOCRYPT http://dx.doi.org/10.1007/978-3-540-77026-8_33 db/conf/indocrypt/indocrypt2007.html#Mancillas-LopezCR07