It was a great joy to learn from him and contribute to the. Concept based notes network security and cryptology. The elgamal signature algorithm is rarely used in practice. Abstract one of the canonical unsolved problems in network information theory is. Multiple sources and destinations multiaccessing broadcasting interference relaying interactive communication distributed coding and computing. Ieee transactions on information theory 54 11, 50595067. Kim, lecture notes on network information theory, stanford university and ucsd, 2009. The users are coordinated with each other to decode the message at different time slots.
Professor of economics and statistics chair of islamic economics. He has founded, cofounded and served on the board of directors. The basic setup is the desire of a sending entity to transmit information in form of a message to a receiving entity. Their combined citations are counted only for the first article. Elements of information theory 2nd edition wiley series in telecommunications and. Lecture notes on network information theory citeseerx. An original signed hard copy of the signature page is on file in university archives.
About onethird of the book is devoted to shannon source and channel coding theorems the remainder addresses sources, channels, and codes and on. Learn about an informationtheoretic approach to managing interference in future generation wireless networks. A variant developed at the nsa and known as the digital signature algorithm is much more widely used. The authors are currently preparing a set of slides based on the book that will be posted in the. The information is considered to be secret, therefore the. In cryptography, the elgamal encryption system is an asymmetric key encryption algorithm for publickey cryptography which is based on the diffiehellman key exchange.
Network information theory request pdf researchgate. But avoid asking for help, clarification, or responding to other answers. A novel cooperative multicast scheme based on fountain code. He is best known for his contributions to network information theory, fieldprogrammable gate arrays fpgas, and cmos imaging sensors and systems. It uses asymmetric key encryption for communicating between two parties and encrypting the message. Thanks for contributing an answer to mathematics stack exchange. Thanks for contributing an answer to cryptography stack exchange. Pdf extension and application of elgamal encryption scheme. Abbas elgamal, primary adviser i certify that i have read this dissertation and that, in my opinion, it is fully adequate. Adoptions have remained strong since the books publication in 1991. Fountain codes are used in multicast systems to enable a robust transmission without csi feedback and arq.
Meier june 8, 2005 taher elgamal rst described the elgamal cryptosystem 6 in an article. Chapters 1017 include rate distortion, the method of types, kolmogorov complexity, network information theory, universal source coding and portfolio theory. They have collected and organized the fruits of six decades of research demonstrating how shannons original seminal theory has been enlarged to solve a multitude of important problems mostly encountered in multiple link communication networks. We propose a cooperative multicast scheme based on fountain code to improve the performance of multicast. Network information theory studies the fundamental limits on information flow in networks and optimal coding techniques and protocols that achieve these limits. Cover is with the departments of electrical engineering and statistics, stanford university, stanford, ca 94305. Mar 02, 2015 the undersea network ebook written by nicole starosielski. The elgamal cryptosystem was first described by taher elgamal in 1985 and is closely related to the diffiehellman key exchange. Elgamal encryption and signatures require twice the bandwidth overhead of rsa as a mask 1 encryption can be fast but decryption slow comparable to elgamal encryption and decryption 2 signing is slow comparable to elgamal signing and verification but verification can be fast. Meier june 8, 2005 taher elgamal rst described the elgamal cryptosystem 6 in an article published in the proceedings of the crypto 84, a conference on the advances of cryptology. These results spurred a flurry of research on network information theory from the mid 1970s to the early 1980s with many new results and techniques developed. Network information theory is a branch of information theory that aims to address the fundamental limits of communications in a multiple user setting and when several sources of information are available. Users are assigned an id number and password that allows them access to information and programs within their authority. He is the hitachi america professor of engineering at stanford university.
This cryptosystem is based on the difficulty of finding discrete logarithm in a cyclic group that is even if we know g a and g k, it is extremely difficult to compute g ak idea of elgamal cryptosystem. Multicast is an efficient way to support emerging multimedia services over wireless network. The proposed algorithm belongs to the family of public key cryptographic algorithms. I started a course on multiple user network information theory at. Request pdf network information theory this comprehensive treatment of network information theory and its. Ieee information theory society newsletter ieee information theory society newsletter usps 360350 is published quarterly by the information theory society of the institute of electrical and electronics engineers, inc. Lectures on network information theory information systems. Network information theory book the book provides a comprehensive coverage of key results, techniques, and open problems in network information theory the organization balances the introduction of new techniques and new models the focus is on discrete memoryless and gaussian network models we discuss extensions if any to many users and large. These lecture notes have been converted to a book titled network information theory published recently by cambridge university press. Elgamal encryption is often used for research becaus e. While a complete theory is still lacking, tools and techniques developed to address research problems in network information theory.
Energy analysis of lightweight encryption algorithms on. Without special strict teaching requirements, the readers only need to acquire the basic. The awards citation reads, for contributions to network multiuser information theory and for wide ranging impact on programmable circuit architectures. Network information theory this comprehensive treatment of network information theory and its applications provides the. This comprehensive treatment of network information theory and its applications provides the first unified coverage of both classical and recent results. This is because asymmetric cryptosystems like elgamal are usually slower than symmetric ones for the same level of security, so it is faster to. It extends shannons pointtopoint information theory and the fordfulkerson maxflow mincut theorem to networks with multiple sources and destinations, broadcasting, interference. Focusing on cooperative schemes motivated by coordinated multipoint comp technology, the book develops a robust theoretical framework for interference management that uses recent advancements in backhaul design, and practical precoding schemes based on local cooperation, to.
This cryptosystem is based on the difficulty of finding discrete logarithm in a cyclic group that is even if we know g a and g k, it is extremely difficult to compute g ak. These coding schemes are based on block markov coding, joint. Wesel, optimal encoding schemes for several classes of discrete degraded broadcast channels. Coding schemes for discrete memoryless multicast networks. Learn about an information theoretic approach to managing interference in future generation wireless networks. Elements of information theory elements of information theory. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. If you have an ipad or a huge screen, youd better buy the pdf version.
These are the issues that are the domain of network information theory. Theory and application of cryptology and information security, hanoi, vietnam, december 48, 2016, proceedings, part i, berlin, heidelberg. However, many problems, including shannons twoway channel, remained open and there was little interest in these results from communication theorists. You can decide on the book based on the preferred motifs that you like. Introduction networked information processing system communication network system. It was described by taher elgamal in 1985 the elgamal signature algorithm is rarely used in practice. Network information theory hardcover initially forms the complete cover of classic information theory and internet information theory making the readers comprehensively acquire the shannons classic point to point theory, secret communication, wireless communication and etc. An introduction to network information theory with slepianwolf and. The elgamal public key encryption algorithm the elgamal algorithm provides an alternative to the rsa for public key encryption. Cu, younghan kim partially supported by darpa itmanet ita 2010 a. The elgamal signature scheme is a digital signature scheme which is based on the difficulty of computing discrete logarithms. Network information theory a system with many senders and receivers contains many new elements in the communication problem.
Diagram below borrowed from elements of network information theory. The first edition of this book is the most successful book on information theory on the market today. The diffiehellman key exchange provides a method of sharing a secret key between alice and bob, but does not allow alice and bob to otherwise communicate securely. Network information theory aims to answer the fundamental i nformation ow questions while capturing some of these aspects of realwor ld networks by studying network models with. Coding schemes for discrete memoryless multicast networks with feedback from receivers and relays to the transmitter are proposed. This book provides a significantly expanded exposition of the material in the lecture notes as well as problems and bibliographic notes at the end of each chapter. Wesel, optimal encoding schemes for several classes of discrete degraded broadcast channels, submitted. It is shown that network coding is an essential ingredient in achieving the capacity of a network.
His early work formed the basis for several new areas in multiuser information theory, paving. Network security is controlled by the network administrator. Download for offline reading, highlight, bookmark or take notes while you read the undersea network. Like most public key systems, the elgamal cryptosystem is usually used as part of a hybrid cryptosystem where the message itself is encrypted using a symmetric cryptosystem and elgamal is then used to encrypt only the symmetric key. For networks which are restricted to using linear network codes, we find necessary and sufficient conditions for the feasibility of any given set of connections over a. These schemes used in practice are not provably tight or anything like the theory. Feb 19, 2015 for the love of physics walter lewin may 16, 2011 duration.