PPT-Toward Practical Code-Based Cryptography

Paulo S L M Barreto University of Washington Tacoma Objectives Basics of coding theory Security considerations Panorama of codebased cryptosystems Choice of codes Implementation issues. 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. Guest lecture. Final project presentation logistics. The Politics of Crypto. Export Controls. Key Escrow. The Clipper Chip. 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. Vadim . Lyubashevsky. Cryptography. Allows for secure communication in the presence of malicious parties. 2. Cryptography. Allows for secure communication in the presence of malicious parties. 3. Cryptography. 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. Vadim . Lyubashevsky. Cryptography. Allows for secure communication in the presence of malicious parties. 2. Cryptography. Allows for secure communication in the presence of malicious parties. 3. Cryptography. or one reason that linear equations are cool.. Basic Cryptography Code. A. B. C. D. E. F. G. H. I. J. K. L. M. N. O. P. Q. R. S. T. U. V. W. X. Y. Z. D. E. F. G. H. I. J. K. L. M. N. O. P. Q. R. S. T. 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. 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!