목록 게시판 리스트 옵션 검색 Non-repudiation Protocol for Efficiency and Fairness : Improvement of TTP Security Service Management Architecture by Minimum Intervention of TTP Journal Technical Proceedings of APNOMS2001 Vol(Issue) nan, nan Page pp 506 Author Sang Jun Park, Choong Seon Hong, Dae Young Lee, Year 2001 Date Sept. -