PPT-Threats to Modern Cryptography and State-of-the-Art

Solutions Kenny Paterson Information Security Group Living with the Threat of the CryptApocalypse Kenny Paterson Information Security Group Crypto In Use Relative to the number of primitives that have been invented by academic cryptographers the number that are . of . Modern Cryptography. Josh Benaloh. Brian . LaMacchia. Winter 2011. Side-Channel Attacks. Breaking a cryptosystem is a frontal attack, but there may be easier access though a side or back door – especially on embedded cryptographic devices such as . of . Modern Cryptography. Josh Benaloh. Brian . LaMacchia. Winter 2011. Agenda. Integrity Checking (HMAC . redux. ). Protocols (Part 1 – Session-based protocols). Introduction. Kerberos. SSL/TLS. of . Modern Cryptography. Josh Benaloh. Brian . LaMacchia. Winter 2011. Some Tools We’ve Developed. Homomorphic Encryption. Secret . Sharing. Verifiable Secret Sharing. Threshold Encryption. of . Modern Cryptography. Josh Benaloh. Brian . LaMacchia. Winter 2011. January 6, 2011. Practical Aspects of Modern Cryptography. Cryptography is .... Protecting Privacy of Data. Authentication of Identities. Josh Benaloh. Tolga Acar. Fall 2016. November 8, 2016. Practical Aspects of Modern Cryptography. 1. What is Money?. 106 billion people lived. 94% are dead. Most of the world’s wealth made after 1800. 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. Problem 1. Each participant . selects a random polynomial. The joint secret is the sum of the original secrets. How are shares of the joint secret formed?.  . 3/10/2011. Practical Aspects of Modern Cryptography. Maps from Lattices. Craig Gentry (IBM. ). Sergey . Gorbunov. (. MIT). Shai Halevi (IBM). https. ://eprint.iacr.org/2014/645. July 10, 2015. The Mathematics of Modern Cryptography. Multilinear Maps (MMAPs). 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. 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. Crypto is amazing. Can do things that initially seem impossible. Crypto is important. It impacts each of us every day. Crypto is fun!. Deep theory. Attackers’ mindset. Necessary administrative stuff. The Benefits of Reading Books,Most people read to read and the benefits of reading are surplus. But what are the benefits of reading. Keep reading to find out how reading will help you and may even add years to your life!.The Benefits of Reading Books,What are the benefits of reading you ask? Down below we have listed some of the most common benefits and ones that you will definitely enjoy along with the new adventures provided by the novel you choose to read.,Exercise the Brain by Reading .When you read, your brain gets a workout. You have to remember the various characters, settings, plots and retain that information throughout the book. Your brain is doing a lot of work and you don’t even realize it. Which makes it the perfect exercise! The Benefits of Reading Books,Most people read to read and the benefits of reading are surplus. But what are the benefits of reading. Keep reading to find out how reading will help you and may even add years to your life!.The Benefits of Reading Books,What are the benefits of reading you ask? Down below we have listed some of the most common benefits and ones that you will definitely enjoy along with the new adventures provided by the novel you choose to read.,Exercise the Brain by Reading .When you read, your brain gets a workout. You have to remember the various characters, settings, plots and retain that information throughout the book. Your brain is doing a lot of work and you don’t even realize it. Which makes it the perfect exercise! The Benefits of Reading Books,Most people read to read and the benefits of reading are surplus. But what are the benefits of reading. Keep reading to find out how reading will help you and may even add years to your life!.The Benefits of Reading Books,What are the benefits of reading you ask? Down below we have listed some of the most common benefits and ones that you will definitely enjoy along with the new adventures provided by the novel you choose to read.,Exercise the Brain by Reading .When you read, your brain gets a workout. You have to remember the various characters, settings, plots and retain that information throughout the book. Your brain is doing a lot of work and you don’t even realize it. Which makes it the perfect exercise!