# Active authentication # data originator # verifier # E CC # e&passport # ES # passive authentication

An Efficient Certificateless Designated

School of Mathematics and Statistics, Wuhan Univers ity, China

#CL%PKC # DVS # bilinear pairings # elliptic curve # ran dom oracle model

Privacy Preserving Authenticated Key Agreement based on Bilinear Pairing for uHealthcare

Sunghyun Cho1 and Hyunsung Kim2 1College of Computing, Sungkyunkwan University, Korea 2School of Computer Science, Kyungil University, Korea

#Authenticated key agreement # authentication # internet of things # prescription safety # ubiquitous healthcare