Title	Cryptanalysis of Sui et al.'s Second ID-based Key Issuing Protocol without Key Escrow
Author	Hyunjue Kim, Seungjoo Kim, Dongho Won
Citation	Vol. 6  No. 1  pp. 247~250
Keywords	ID-based cryptography, Key escrow problem, Secure key issuing

Title	A Method for Detecting the Exposure of a Secret Key in Key-Insulated Scheme
Author	Younggyo Lee, Dongho Won
Citation	Vol. 8  No. 9  pp. 13-20
Keywords	key-insulated signature, one-time hash chain, NOVOMODO, PSD