PPT-Public Key Cryptography Dr. X

Slides adopted by Prof William Enck NCSU Privatekey crypto is like a door lock Encryption and Message Authenticity Public Key Crypto 10000 ft view Separate keys for encryption and decryption . 897 Special Topics in Cryptography Instructors Ran Canetti and Ron Rivest Lecture 25 PairingBased Cryptography May 5 2004 Scribe Ben Adida 1 Introduction The 64257eld of PairingBased Cryptography has exploded 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.. Sixth Edition. by William Stallings . Chapter 10. Other Public-Key Cryptosystems. “Amongst the tribes of Central Australia every man, woman, and child has a secret or sacred name which is bestowed by the older men upon him or her soon after birth, and which is known to none but the fully initiated members of the group. This secret name is never mentioned except upon the most solemn occasions; to utter it in the hearing of men of another group would be a most serious breach of tribal custom. When mentioned at all, the name is spoken only in a whisper, and not until the most elaborate precautions have been taken that it shall be heard by no one but members of the group. The native thinks that a stranger knowing his secret name would have special power to work him ill by means of magic.”. EECS710: Info Security and Assurance. Professor Hossein Saiedian. Resources: Terry Ritter’s . Learning About . Cryptography. , Network Associates’ . An Introduction . to Cryptography, . course textbooks. The convergence of prime numbers, the history of math, inverse functions, and a contemporary application. Introduction to Cryptography. Cryptography is the study of ways of writing a message that hides its meaning from everyone except the intended recipient.. 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. 1. Part I: Crypto. Part 1 . . Cryptography . 2. Crypto. Cryptology . . The art and science of making and breaking “secret codes”. 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. UNIT 4 LESSON 7 – 2 DAY LESSON. VOCABULARY ALERT. :. asymmetric encryption.  - used in public key encryption, it is scheme in which the key to encrypt data is different from the key to decrypt. .. Cryptographic Checksums. Chapter 8: Basic Cryptography. Introduction to Computer Security ©2004 Matt Bishop. Cryptography-Intro. ISA 562. Chapter 8. These slides are modified with permission from Dan Fleck. Josh Benaloh. Tolga Acar. Fall 2016. October 25, 2016. 2. The wiretap channel. Key (K. 1. ). Key (K. 2. ). Eavesdropper. Plaintext. (P). Noisy insecure. channel. Encrypt. Decrypt. Alice. Bob. Plaintext. Steven M. Bellovin. https://www.cs.columbia.edu/~smb. What is Cryptography?. Literally: “hidden writing”. (Technical, the entire field is “cryptology”, but almost no one except the NSA and historians uses that word.).