Security Analysis and Improvement for Key Issuing Schemes in ID-Based Cryptography. - Saeran Kwon; Sang-Ho Lee (TrustBus, 2006)

Identity-Based Key Issuing Without Secure Channel in a Broad Area. - Saeran Kwon; Sang-Ho Lee (WISA, 2006)

An Efficient ID-Based Verifiably Encrypted Signature Scheme Based on Hess's Scheme. - Saeran Kwon; Sang-Ho Lee (ISPEC, 2007)

An identity-based strongly unforgeable signature without random oracles from bilinear pairings. - Saeran Kwon (Inf. Sci., 2014)