Hashing In Computer Science
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Hashing In Computer Science
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Author : Alan G. Konheim
language : en
Publisher: John Wiley & Sons
Release Date : 2010-12-07
Hashing In Computer Science written by Alan G. Konheim and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-12-07 with Technology & Engineering categories.
Written by one of the developers of the technology, Hashing is both a historical document on the development of hashing and an analysis of the applications of hashing in a society increasingly concerned with security. The material in this book is based on courses taught by the author, and key points are reinforced in sample problems and an accompanying instructor s manual. Graduate students and researchers in mathematics, cryptography, and security will benefit from this overview of hashing and the complicated mathematics that it requires.
Design Of Hashing Algorithms
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Author : Josef Pieprzyk
language : en
Publisher: Springer
Release Date : 1993
Design Of Hashing Algorithms written by Josef Pieprzyk and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with Algorithms categories.
This work presents recent developments in hashing algorithm design. Hashing is the process of creating a short digest (i.e., 64 bits) for a message of arbitrary length, for exam- ple 20 Mbytes. Hashing algorithms were first used for sear- ching records in databases; they are central for digital si- gnature applications and are used for authentication without secrecy. Covering all practical and theoretical issues related to the design of secure hashing algorithms the book is self contained; it includes an extensive bibliography on the topic.
The Design And Analysis Of Coalesced Hashing
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Author : Jeffrey Scott Vitter
language : en
Publisher: Oxford University Press, USA
Release Date : 1987
The Design And Analysis Of Coalesced Hashing written by Jeffrey Scott Vitter and has been published by Oxford University Press, USA this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with Computers categories.
Hashing, a commonly used technique for arranging data to facilitate rapid searches, is discussed from several different perspectives as an efficient solution to the classical problem of information storage and retrieval. The underlying theme is close cooperation between the analysis of algorithms and the computer world. To increase the work's accessibility to computer scientists, algorithms are given both in English and in a variant of the well-known language Pascal. Designed to appeal to as wide an audience as possible, this book serves both as a graduate text in analysis of algorithms and as a professional reference for computer scientists and programmers.
The Joys Of Hashing
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Author : Thomas Mailund
language : en
Publisher: Apress
Release Date : 2019-02-09
The Joys Of Hashing written by Thomas Mailund and has been published by Apress this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-02-09 with Computers categories.
Build working implementations of hash tables, written in the C programming language. This book starts with simple first attempts devoid of collision resolution strategies, and moves through improvements and extensions illustrating different design ideas and approaches, followed by experiments to validate the choices. Hash tables, when implemented and used appropriately, are exceptionally efficient data structures for representing sets and lookup tables, providing low overhead, constant time, insertion, deletion, and lookup operations. The Joys of Hashing walks you through the implementation of efficient hash tables and the pros and cons of different design choices when building tables. The source code used in the book is available on GitHub for your re-use and experiments. What You Will LearnMaster the basic ideas behind hash tables Carry out collision resolution, including strategies for handling collisions and their consequences for performance Resize or grow and shrink tables as needed Store values by handling when values must be stored with keys to make general sets and mapsWho This Book Is For Those with at least some prior programming experience, especially in C programming.
The Theory Of Hash Functions And Random Oracles
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Author : Arno Mittelbach
language : en
Publisher: Springer Nature
Release Date : 2021-01-19
The Theory Of Hash Functions And Random Oracles written by Arno Mittelbach and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-01-19 with Computers categories.
Hash functions are the cryptographer’s Swiss Army knife. Even though they play an integral part in today’s cryptography, existing textbooks discuss hash functions only in passing and instead often put an emphasis on other primitives like encryption schemes. In this book the authors take a different approach and place hash functions at the center. The result is not only an introduction to the theory of hash functions and the random oracle model but a comprehensive introduction to modern cryptography. After motivating their unique approach, in the first chapter the authors introduce the concepts from computability theory, probability theory, information theory, complexity theory, and information-theoretic security that are required to understand the book content. In Part I they introduce the foundations of hash functions and modern cryptography. They cover a number of schemes, concepts, and proof techniques, including computational security, one-way functions, pseudorandomness and pseudorandom functions, game-based proofs, message authentication codes, encryption schemes, signature schemes, and collision-resistant (hash) functions. In Part II the authors explain the random oracle model, proof techniques used with random oracles, random oracle constructions, and examples of real-world random oracle schemes. They also address the limitations of random oracles and the random oracle controversy, the fact that uninstantiable schemes exist which are provably secure in the random oracle model but which become insecure with any real-world hash function. Finally in Part III the authors focus on constructions of hash functions. This includes a treatment of iterative hash functions and generic attacks against hash functions, constructions of hash functions based on block ciphers and number-theoretic assumptions, a discussion of privately keyed hash functions including a full security proof for HMAC, and a presentation of real-world hash functions. The text is supported with exercises, notes, references, and pointers to further reading, and it is a suitable textbook for undergraduate and graduate students, and researchers of cryptology and information security.
Analysis Of Coalesced Hashing
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Author : Jeffrey Scott Vitter
language : en
Publisher:
Release Date : 1980
Analysis Of Coalesced Hashing written by Jeffrey Scott Vitter and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with Algorithms categories.
The Analysis Of Hashing Algorithms
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Author : Leonidas John Guibas
language : en
Publisher:
Release Date : 1976
The Analysis Of Hashing Algorithms written by Leonidas John Guibas and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1976 with Algorithms categories.
Design Of Hashing Algorithms
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Author : Josef Pieprzyk
language : en
Publisher:
Release Date : 2014-01-15
Design Of Hashing Algorithms written by Josef Pieprzyk and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-01-15 with categories.
The Hash Function Blake
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Author : Jean-Philippe Aumasson
language : en
Publisher: Springer
Release Date : 2014-12-19
The Hash Function Blake written by Jean-Philippe Aumasson and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-12-19 with Computers categories.
This is a comprehensive description of the cryptographic hash function BLAKE, one of the five final contenders in the NIST SHA3 competition, and of BLAKE2, an improved version popular among developers. It describes how BLAKE was designed and why BLAKE2 was developed, and it offers guidelines on implementing and using BLAKE, with a focus on software implementation. In the first two chapters, the authors offer a short introduction to cryptographic hashing, the SHA3 competition and BLAKE. They review applications of cryptographic hashing, they describe some basic notions such as security definitions and state-of-the-art collision search methods and they present SHA1, SHA2 and the SHA3 finalists. In the chapters that follow, the authors give a complete description of the four instances BLAKE-256, BLAKE-512, BLAKE-224 and BLAKE-384; they describe applications of BLAKE, including simple hashing with or without a salt and HMAC and PBKDF2 constructions; they review implementation techniques, from portable C and Python to AVR assembly and vectorized code using SIMD CPU instructions; they describe BLAKE’s properties with respect to hardware design for implementation in ASICs or FPGAs; they explain BLAKE's design rationale in detail, from NIST’s requirements to the choice of internal parameters; they summarize the known security properties of BLAKE and describe the best attacks on reduced or modified variants; and they present BLAKE2, the successor of BLAKE, starting with motivations and also covering its performance and security aspects. The book concludes with detailed test vectors, a reference portable C implementation of BLAKE, and a list of third-party software implementations of BLAKE and BLAKE2. The book is oriented towards practice – engineering and craftsmanship – rather than theory. It is suitable for developers, engineers and security professionals engaged with BLAKE and cryptographic hashing in general and for applied cryptography researchers and students who need a consolidated reference and a detailed description of the design process, or guidelines on how to design a cryptographic algorithm.
On Neighborhood Preserving Hashing
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Author : Hebrew University of Jerusalem. Dept. of Computer Science
language : en
Publisher:
Release Date : 1992
On Neighborhood Preserving Hashing written by Hebrew University of Jerusalem. Dept. of Computer Science and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with Hashing (Computer science) categories.
Abstract: "We are interested in storing a dictionary in a hash table, such that the following types of queries can be answered efficiently: 'What are all the words in the dictionary of Hamming distance at most c from a given word?' We study the tradeoff between locality preservation and hashing, which this problem exhibits. We give lower bounds for this tradeoff that use the Isoperimetric Inequalities for the cube, and upper bounds that use certain types of error correcting codes."