About the Authors

Jongho Moon

Affiliation Department of Computer Engineering, Sungkyunkwan University, Suwon, Gyeonggido 16419, Korea

Younsung Choi

Affiliation Department of Computer Engineering, Sungkyunkwan University, Suwon, Gyeonggido 16419, Korea

Jaewook Jung

Affiliation Department of Computer Engineering, Sungkyunkwan University, Suwon, Gyeonggido 16419, Korea

Dongho Won

dhwon@security.re.kr

Affiliation Department of Computer Engineering, Sungkyunkwan University, Suwon, Gyeonggido 16419, Korea

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JM YC JJ DW. Performed the experiments: JM YC JJ. Analyzed the data: JM YC DW. Contributed reagents/materials/analysis tools: JM DW. Wrote the paper: JM YC JJ DW. Designed the scheme: JM YC DW. Proved the security of the scheme: JM YC.