3rd International ICST Symposium on Information Assurance and Security

Research Article

Certified Email Delivery with Offline TTP

  • @INPROCEEDINGS{10.1109/IAS.2007.85,
        author={Hao Wang and Yuyi Ou and Jie Ling and Lu  Liang and Xiang  Xu},
        title={Certified Email Delivery with Offline TTP},
        proceedings={3rd International ICST Symposium on  Information Assurance and Security},
        keywords={Communication channels  Communication standards  Computer science  Computer security  Information security  Performance analysis  Personal communication networks  Postal services  Protocols  Termination of employment},
  • Hao Wang
    Yuyi Ou
    Jie Ling
    Lu Liang
    Xiang Xu
    Year: 2007
    Certified Email Delivery with Offline TTP
    DOI: 10.1109/IAS.2007.85
Hao Wang1,*, Yuyi Ou1,*, Jie Ling1,*, Lu Liang1,*, Xiang Xu2,*
  • 1: Faculty of Computer, Guangdong University of Technology
  • 2: Department of Computer Science, State University of New York at Stony Brook
*Contact email: iswanghao@acm.org, ouyuyi@163.com, jling@gdut.edu.cn, jessica_llu@163.com, xxu@cs.sunysb.edu


Email has become a standard communication method nowadays. But when it comes to important correspondences containing sensitive governmental, commercial or medical information, certified delivery is required. We present in this paper a new certified email protocol which assures fair delivery, non-repudiability, confidentiality and timeliness. To achieve definite fairness, an offline TTP is employed which will be involved only if there is a dispute.