• E. Kim, J. Hong, J. Cheon, and K. Park, "Fair Private Matching with Semi-Trusted Third Party,"
  J. of KISS, Vol. 14, No. 4, pp. 446-450, 2008

• Y. Jeong, J. Ki, and J. Cheon, "Secure Electronic Trading System for Online Game-Items(in Korean),"
  J. of KIISC, Vol. 13, No. 3, pp. 91-100, 2003
   

• S. Lee, J. Cheon, and Y. Kim, "Tree-based Group Key Agreement Protocol using Pairing(in Korean),"
  J. of KIISC, Vol. 13, No. 3, pp. 101-110, 2003
   

• J. Lee, J. Cheon, S. Jin, and T. Kim, "ID-based Proxy Signature Scheme from the Bilinear Map(in Korean),"
  J. of KIISC, Vol. 13, No. 2, pp. 3-12, 2003

• J. Kim and J. Cheon, "A Study on Discrete Logarithm Related Assumptions,"
  Proc. of KIISC Conference Region Chung-Cheong, pp. 83-93, 2002
   

• C. Choi and J. Cheon, "An Overview of Bluetooth Security,"
  Proc. of KIISC Conference Region Chung-Cheong, pp. 95-111, 2002
   

• J. M. Kim and J. Cheon, "A Cryptographic Protocol for Online Test,"
  Proc. of KIISC Conference Region Chung-Cheong, pp. 145-152, 2002

• H. Kim, J. Cheon, and S. Hahn, "Elliptic Curve Discrete Logarithm and Lifting Problem(in Korean),"
  Comm. Korean Math. Soc., Vol. 14, No. 4, pp. 649-679, 1999
  

• J. Cheon, H. Kim, S. Hahn, and C. Park, "Discrete Logarithms on an Elliptic Curve over a Finite Field(in Korean),"
  J. of KIISC, Vol. 8, No. 3, pp. 95-104, 1998

• S. Sung, J. Cheon, S. Chee, and K. Kim, "Global Avalanche Characteristics of Balanced boolean Functions(in Korean),"
  J. of KIISC, Vol. 7, No. 4, pp. 51-58, 1997

 1996

• J. Cheon and S. Hahn, "The Orders of the Reductions of a Rational Point of an Elliptic Curve,"
  Proc. of workshops on Pure Mathematics, 1996