PPT-Strong Authentication using Asymmetric Keys on

Devices Controlled by You Dr Michael B Jones Identity Standards Architect Microsoft May 10 2017 Web Authentication using Asymmetric Keys Web Site Authenticator User 1 User goes to Web Site. Ecommerce and email are two resounding examples of the transformation exerted by the network of networks on people around the globe Unfortunately the ubiquity and flexibility of the network has also brought its own set of challenges and security con :. . Hijacking with Hitag2 . PREAMBLE. Electronic . vehicle . immobilizer - anti. -. theft device.. Prevents . the engine of the vehicle from starting unless the corresponding . transponder. is present. . Computer and Network Security. Dr. . Jinyuan. (Stella) Sun. Dept. of Electrical Engineering and Computer Science. University of Tennessee . Fall . 2011. 1. Overview of Authentication Systems. /599. . Computer and Network Security. Dr. . Jinyuan. (Stella) Sun. Dept. of Electrical Engineering and Computer Science. University of Tennessee . Fall . 2012. 1. Overview of Authentication Systems. Modular exponentiation for encryption/decryption. Efficient algorithms for this. Attacker needs to factor large numbers to extract key. Must use brute-force. One-way hash functions. Collision-free, collision-resistant. CS. . 111. Operating . Systems . Peter Reiher. . Outline. Basic concepts in computer security. Design principles for security. Important security tools for operating systems. Access control. Cryptography and operating systems. CS. . 111. Operating . System Principles . Peter Reiher. . Outline. Security goals. Access control. Cryptography. Symmetric cryptography. Asymmetric cryptography. Security Goals. Confidentiality. If it’s supposed to be secret, be careful who hears it. Symmetric Encryption. Key exchange . Public-Key Cryptography. Key exchange. Certification . Why Cryptography. General Security Goal. - . Confidentiality . (. fortrolig. ). - . End-point Authentication . Bux-Mont Chapter. PIAA Football Officials – District One. 3. 4. 0. 0. 0. 0. 4. 3. 2. 0. 2. 0. In recognizing the strength of the formation (strong vs. weak side), officials must pay attention to the offensive team. . 2012 IEEE High Performance Extreme Computing Conference. 10 - 12 September 2012. Scalable Cryptographic Authentication for High Performance Computing. This work is sponsored by the Department of the Air Force under Air Force contract FA8721-05-C-0002. Opinions, interpretations, conclusions and recommendations are those of the author and are not necessarily endorsed by the United States Government.. Fall 2010. 1. Outline. Wired Equivalent Privacy (WEP). first security protocol defined in 802.11. Wi-Fi Protected Access (WPA). defined by Wi-Fi Alliance. WPA2. 802.11i. 2. In the early 1980s, the IEEE began work on developing computer network architecture standards. Fall 2010. 1. Outline. Wired Equivalent Privacy (WEP). first security protocol defined in 802.11. Wi-Fi Protected Access (WPA). defined by Wi-Fi Alliance. WPA2. 802.11i. 2. In the early 1980s, the IEEE began work on developing computer network architecture standards. symbols, the disk is rotated to a new alignment (say, shifted by one position). Another basic form of cryptography is the transposition cipher. This involves permuting CS 417: Distributed Systems P. ublic-key encryption ( Asymmetric Encryption). Asymmetric encryption is a form of cryptosystem in which . encryption and . decryption are performed using the different keys—one a public . key and .