PPT-SIP Authentication using EC-SRP5 Protocol

Fuwen Liu liufuwenchinamobilecom Minpeng Qi qiminpengchinamobilecom Min Zuo zuominchinamobilecom 1 SIP Authentication SIP is a popular standard signaling protocol for VoIP Wired networks. Instructional Resource. Chapter 3 – Authentication, Authorization and Accounting. Chapter 3: Objectives. Explain the function and operation of the authentication, authorization, and accounting (AAA) protocol.. Security --- 2. Steve Ko. Computer Sciences and Engineering. University at Buffalo. Recap. Three . types of functions. Cryptographic hash, symmetric key crypto, asymmetric key . crypto. Cryptographic hash. User Authentication. modified from slides of . Lawrie. Brown. RFC 2828: . user authentication . “The process of verifying an identity claimed by or for a system entity.”. Authentication Process. Alexander . Potapov. Authentication definition. Protocol architectures. Cryptographic properties. Freshness. Types of attack on protocols. T. wo-way authentication . protocol. attack. The . Diffie-Hellman key . Marwan. Al-. Namari. Week 10. RTS/CTS. time line. RTS: Ready-to-Send. CTS: Clear-to- Send. ACK: Acknowledgment .NAV: network allocation vector (channel access, expected time to finish and packet sequence transmission ). Sequence. Initialization:. Cloud machine instances initializes and sent . ServiceToken. from Service Controller.. Authentication:. Client sends . AuthRequest. to . AuthenticationService. .. AuthenticationService. Rocky K. C. . Chang, 18 March 2011. 1. Rocky, K. C. Chang. 2. Outline. Rocky, K. C. Chang. 3. Authentication problems. Network-based authentication. Password-based authentication. Cryptographic authentication protocols (challenge and response). Intrusion-Resilient,. DDoS. -Resistant Authentication System (IDAS) System. Yanjun. Zhao. Current Protocols . SSL (Secure Sockets Layer) protocol . IPSec(Internet . Protocol Security. ). suffer from . . Chapter . 11. Network Security. 1. Security Assessment. What is at risk?. Consider effects of risks. Different organization types have different risk levels. Posture assessment. Thorough network examination . IETF-86. Joe . Salowey. Open Issues. Open Issues with Retransmission and re-authentication. Remove text about lack of . differentiation in Network . Access. Proposed Retransmission Text. 2.1 Retransmission. Grid. ESORICS, September 2017. Cas Cremers, . Martin Dehnel-Wild. , and Kevin Milner. Oxford CS: Information Security Group. . High Assurance Security Research. Prof.. Cas Cremers. Martin Dehnel-Wild. Discuss the standard methods for securing TCP/IP networks . Compare TCP/IP security standards. Implement secure TCP/IP applications. Objectives. Overview. Original TCP/IP had no real security. User names and passwords is not enough. Discuss the standard methods for securing TCP/IP networks . Compare TCP/IP security standards. Implement secure TCP/IP applications. Objectives. Overview. Original TCP/IP had no real security. User names and passwords is not enough. cothority framework and using it to build a login serviceDEDIS EPFL 2018/19 -Lucas PiresResponsible Prof Bryan Ford Dr EwaSytaSupervisorLinus Gasser1Integrating DAGA into the cothority framework and u