Yu Sasaki received B.E., M.E., and Ph.D. degrees from The University of Electro-Communications in 2005, 2007, and 2010. Since 2007, he has been a researcher at NTT Secure Platform Laboratories. His current research interests are in cryptography. He was awarded a paper prize from SCIS 2007 and IEICE Trans. in 2009. He also received best paper awards from IWSEC 2009, SECRYPT 2012, and IWSEC 2012.