Zero knowledge proof for correctness of the product of. Mar 02, 2015 the undersea network ebook written by nicole starosielski. The undersea network ebook written by nicole starosielski. It is shown that network coding is an essential ingredient in achieving the capacity of a network. H network information theory aims to establish the fundamental limits on information flow in networks and the optimal coding schemes that achieve these limits. Pdf the application of elgamal encryption technology to the. It was described by taher elgamal in 1985 the elgamal signature algorithm is rarely used in practice.
Feb 19, 2015 for the love of physics walter lewin may 16, 2011 duration. On the security of elgamal based encryption springerlink. This is because asymmetric cryptosystems like elgamal are usually slower than symmetric ones for the same level of security, so it is faster to. Anyone can verify that the addition was done correctly. 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. Without special strict teaching requirements, the readers only need to acquire the basic. Introduction to modern cryptography, second edition. Elements of information theory second edition solutions to. The awards citation reads, for contributions to network multiuser information theory and for wide ranging impact on programmable circuit. The lecture is based on lecture notes on network information theory jointly developed with younghan kim, uc san diego a. Cu, younghan kim partially supported by darpa itmanet ita 2010 a. Cryptosystems can add and multiply plaintext through the manipulation of ciphertexts of homomorphic cryptosystems, but most of them. Network information theory this comprehensive treatment of network information theory and its applications provides the.
The encryption key is published, and the decryption key is kept private. 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. This comprehensive treatment of network information theory and. Read principles of modern communication systems by samuel o. The authors cover an impressively large part of information theory. The information is considered to be secret, therefore the. A comparative study of elgamal based digital signature algorithms note that k should be chosen to be an integer from 2 to. We take a new look at the issue of network capacity. These schemes used in practice are not provably tight or anything like the theory.
If you have an ipad or a huge screen, youd better buy the pdf version. 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. Interference management in wireless networks by venugopal v. Lecture notes on network information theory citeseerx. The elgamal cryptosystem is implicitly based on the difficultly of finding a solution to the discrete logarithm in fp. The proposed algorithm belongs to the family of public key cryptographic algorithms. 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.
These notes provide a broad coverage of key results, techniques, and open problems in network information theory. It extends shannons fundamental theorems on pointtopoint communication and the fordfulkerson maxflow mincut theoremfor graphical unicast networks to general networks withmultiple sources and. Related reading here are some documents that you may find helpful in understanding cryptography. Professor of economics and statistics chair of islamic economics. This allows an entity human or computer to receive encrypted messages from diverse. It provides a principled and comprehensive reference for students and researchers with a background in communication and information theory. These are the issues that are the domain of network information theory. Meier june 8, 2005 taher elgamal rst described the elgamal cryptosystem 6 in an article. The elgamal signature algorithm is rarely used in practice. The undersea network by nicole starosielski books on. You can decide on the book based on the preferred motifs that you like.
See proof of correctness of a homomorphic elgamal sum, which shows exactly how. Principles of modern communication systems ebook by samuel. A short course in information theory download link. However, its security has never been concretely proven based on clearly understood and accepted primitives. 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. In this paper, we propose and study optimal proactive resource allocation and demand shaping for data networks. These lecture notes have been converted to a book titled network information theory published recently by cambridge university press. This book provides a significantly expanded exposition of the material in the lecture notes as well as problems and bibliographic notes at.
Ee376astats376a information theory lecture 15 02272018 lecture 15. Y 0jx0 1 simple 2 fundamental 3 intuitively easy to. This comprehensive treatment of network information theory and its. Download for offline reading, highlight, bookmark or take notes while you read the undersea network. 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. 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. An achievable rate region for threepair interference. He is best known for his contributions to network information theory, fieldprogrammable gate arrays fpgas, and cmos imaging sensors and systems. Written specifically for a onesemester course, this textbook introduces the physical and engineering principles of comm. This comprehensive treatment of network information theory and its applications provides the first unified coverage of both classical and recent results. Elements of information theory second edition solutions to problems thomas m. Lecture notes on network information theory download link.
Network information theory studies the fundamental limits on information flow in networks and optimal coding techniques and protocols that achieve these limits. Claude elwood shannon 19162001 father of information theory his formulation of the mathematical theory of communication provided the foundation for the development of data storage and transmission systems that launched the information age dedicated october 16, 2001. Network information theory deals with the fundamental limits on information flow in networks and optimal coding techniques and protocols that achieve these limits. It uses asymmetric key encryption for communicating between two parties and encrypting the message.
Feistel network is a standard form for iterating a function f on parts of a message producing invertible transformation uaes rijndael is related also a block cipher with repeated rounds not a feistel network feistel network. 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. The elgamal signature scheme is a digital signature scheme which is based on the difficulty of computing discrete logarithms. A variant developed at the nsa and known as the digital signature algorithm is much more widely used. Proactive content download and user demand shaping for data. Lecture notes and readings network and computer security. One round uscheme requires function fr i1,k i computation for ki e. Taher elgamal, a publickey cryptosystem and a signature scheme based on discrete logarithms, ieee transactions on information theory, v. The data processing while maintaining confidentiality is called secret computation. I started a course on multiple user network information theory at. The users communicate over a noisy channel with the goal of exchanging their information reliably. Strong converse theorems for multimessage networks with. Interference management in wireless networks by venugopal. Motivated by the recent findings on the predictability of human behavior patterns in data networks, and the emergence of highly capable handheld devices, our design aims to smooth out the network traffic over time and minimize the.
He is the hitachi america professor of engineering at stanford university. Network information theory request pdf researchgate. Network information theory a system with many senders and receivers contains many new elements in the communication problem. Taher elgamal elg85 proposed the following way to make diffiehellman into an encryption scheme. Lectures on network information theory information systems. This book provides a signi cantly expanded exposition of the material in the lecture notes as well as problems and bibliographic notes. Elgamal cryptosystem like rsa, elgamal is a public key cryptosystem. In recent years, opportunities for using cloud services as computing resources have increased and there is a concern that private information may be leaked when processes data.
Discover hpcc systems the truly open source big data solution that allows you to quickly process, analyze and understand large data sets, even data stored in massive, mixedschema data lakes. The elgamal cryptosystem was first described by taher elgamal in 1985 and is closely related to the diffiehellman key exchange. Elgamal library web site other useful business software ftmaintenance is an easytouse, yet robust cloudbased cmms solution that automates maintenance tasks and connects you with powerful data for smarter maintenance management. Shannons theory of information 1 and subsequent generalizations to multiple users for a survey see 2 consider the situation of a small number of users each with an unlimited amount of information. Reliable communication of highly distributed information. Break elgamal algorithm by knowing the value of the random k. The elgamal encryption scheme has been proposed several years ago and is one of the few probabilistic encryption schemes. Pdf extension and application of elgamal encryption scheme. Elgamal encryption is probabilistic, meaning that a single plaintext can be encrypted to many possible ciphertexts, with the consequence that a general elgamal encryption produces a 2. Basic concepts in cryptography fiveminute university. Wesel, optimal encoding schemes for several classes of discrete degraded broadcast channels, submitted.
1237 663 981 303 1086 33 911 534 459 388 1523 147 88 1441 216 873 557 549 388 1346 1318 668 750 128 820 1205 426 1107 438 141 540 745