PPT-Symmetric-Key Cryptography

CS 161 Computer Security Prof Raluca Ada Popa Sept 13 2016 Announcements Project due Sept 20 Special guests Alice Bob The attacker Eve eavesdropper Malice Sometimes Chris too. Ken Birman. The role of cryptography in O/S. Core questions we’ve encountered:. I claim to be “Ken Birman”. But can I prove this?. The web site claims to be “M&T Bank.com”. But is it?. ®. Common Body of . Knowledge Review:. . Cryptography Domain – . Part 2. Version: . 5.9.2. - . 2. -. Learning Objective. Cryptography Domain. The Cryptography domain addresses the principles, means, and methods of applying mathematical algorithms and data transformations to information to ensure its integrity, confidentiality, and authentication.. Aalto . University. , . autumn. . 2012. Outline. Symmetric encryption. Public-key encryption. Cryptographic authentication. 2. Most. . important. !. Brief. . introduction. to . encryption. and . CS 465. Last Updated. : . Aug 25, 2015. Outline. Provide a brief historical background of cryptography. Introduce definitions and high-level description of four cryptographic primitives we will learn about this semester. Stefano Tessaro. UC Santa Barbara. Visions . of Cryptography. Weizmann Institute. Crypto-History . [oversimplified]. 1982. Cryptographic . algorithms designed from scratch, no proofs, …. 2000 BC. Provable security:. based symmetric and asymmetric cryptography mechanisms to protect packet integrity, and applies Neighborhood WatchDog to generate Trust Token based on instant performance to verify packet corr 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. “Cryptology” . Based of: “Cryptography and network Security” by William Stalling, 5th edition. . Eng. Mohamed Adam . Isak. PH.D Researcher . in CS. Lecturer in Mogadishu University and University of Somalia. Block Ciphers. Slides Original Source:. M. Stamp, “Information Security: Principles and Practice,” John Wiley. C. . Paar. and J. Pelzl, “Understanding Cryptography – A Textbook for Students and Practitioners,” . Symmetric Encryption. Key exchange . Public-Key Cryptography. Key exchange. Certification . Why Cryptography. General Security Goal. - . Confidentiality . (. fortrolig. ). - . End-point Authentication . 1. Administrative Note. Professor Blocki is traveling and will be back on Wednesday. . E-mail: . jblocki@purdue.edu. . Thanks to Professor Spafford for covering the first lecture!. 2. https://www.cs.purdue.edu/homes/jblocki/courses/555_Spring17/index.html. The . art and science of concealing the messages to introduce secrecy in . information security . is recognized as cryptography. .. The word ‘cryptography’ was coined by combining two Greek words, ‘Krypto’ . Faculty of Engineering Stream Cipher Course name: Data Encryption. Computer Engineering Dep. Lecturer: Fatimah Al-. Slides Original Source:. M. Stamp, “Information Security: Principles and Practice,” John Wiley. C. . Paar. and J. Pelzl, “Understanding Cryptography – A Textbook for Students and Practitioners,” .