Jik Hyun Chang

According to our database, Jik Hyun Chang authored at least 5 papers between 2007 and 2010.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2010

Forgery attacks on Kang et al.'s identity-based strong designated verifier signature scheme and its improvement with security proof.

Ji-Seon Lee, Jik Hyun Chang, Dong Hoon Lee

Comput. Electr. Eng., 2010

2009

Security flaw of authentication scheme with anonymity for wireless communications.

Ji-Seon Lee, Jik Hyun Chang, Dong Hoon Lee

IEEE Commun. Lett., 2009

Comment on Saeednia et al.'s strong designated verifier signature scheme.

Ji-Seon Lee, Jik Hyun Chang

Comput. Stand. Interfaces, 2009

2007

Generating a Proxy Signature on a Confidential Message.

Ji-Seon Lee, Jik Hyun Chang

Proceedings of the Fourth International Conference on Information Technology: New Generations (ITNG 2007), 2007

Semantically Secure Authenticated Encryption Scheme and the Same Scheme for Ad-hoc Group Called a Ring.

Ji-Seon Lee, Jik Hyun Chang

Proceedings of the Fourth International Conference on Information Technology: New Generations (ITNG 2007), 2007