网路环境中通讯安全技术之研究.ppt

* A Secure E-mail Protocol for Mobile Devices (4/8) Login phase: * A Secure E-mail Protocol for Mobile Devices (5/8) The first sub-phase of the sending phase: * The second sub-phase of the sending phase: A Secure E-mail Protocol for Mobile Devices (7/8) * The receiving phase: * A Secure E-mail Protocol for Mobile Devices (8/8) * Conclusions and Future Works (1/2) We have proposed solutions as follows mutual authenticated key agreement protocol dynamic ID-based user authentication scheme secure single sign-on mechanism for distributed computer networks authentication scheme with anonymity for roaming service secure e-mail protocol for mobile devices * Conclusions and Future Works (2/2) In the future, we will extend the result of this study decrease the overhead of message transmission design authentication schemes that can provide 1-out-of-∞ deniability design secure authentication protocols in the RFID systems Department of Computer Science and Information Engineering National Chung Cheng University, Chia-Yi, Taiwan * 網路環境中通訊安全技術之研究Secure Communication Schemes in Network Environments 博士論文 指導教授：張真誠 博士 (Dr. Chin-Chen Chang) 研究生：李佳穎 (Chia-Yin Lee) * Outline Introduction A Mutual Authenticated Key Agreement Scheme A Dynamic ID-based User Authentication Scheme Using Smart Cards A Secure Single Sign-on Mechanism for Distributed Computer Networks An Enhanced Authentication Scheme with Anonymity for Roaming Service in GLOMONET A Secure E-mail Protocol for Mobile Devices Conclusions and Future Works * Introduction (1/2) Property of network environments convenient efficient cannot communicate face to face insecure Secure communications user authentication data confidentiality * Introduction (2/2) Authentication user authentication protocols mutual authentication protocols Confidentiality encryption session key establishment protocols * Mutual Authenticated Key Agreement (1/6) Login into the server over insecure networks: * Mutual Authenticated Key Agreement (2/6) Drawbacks