Kazuhiko Minematsu joined NEC corporation at 1998,
and received Phd from Waseda University, Japan in 2008.
He works at research and practical applications of
His research interests are provable security, in particular
blockcipher mode of operations, and lightweight cryptography.
He is a co-designer of lightweight blockcipher TWINE, and
the designer of PC-MAC-AES, which is a MAC algorithm listed in
CRYPTREC, a Japanese govermental crypto standardization effort.