Design Of Hashing Algorithms
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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 Computers 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.
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.
Principles For The Design Of Hashing Algorithms
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Author : Babak Sadeghiyan
language : en
Publisher:
Release Date : 1993
Principles For The Design Of Hashing Algorithms written by Babak Sadeghiyan and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with Computer algorithms categories.
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 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.
Design Fabrication And Implementation Of A Hash Table Processor
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Author : Robert Paul Ketrick
language : en
Publisher:
Release Date : 1987
Design Fabrication And Implementation Of A Hash Table Processor written by Robert Paul Ketrick and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with Computer storage devices categories.
"Hash tables have been used frequently to implement organized data table storage. However, there is a great deal of overhead in executing the hash algorithm every time the table is accessed. Alternatively, a content addressable memory (CAM) is a hardware implementation of an organized data table. A CAM requires very complex hardware design for each memory cell and therefore yields a very low cell density on each chip. This requires a large number of expensive chips to implement a large hash table. In this thesis a simple hash function was designed into an integrated circuit using 4- micron NMOS technology. The scope of this thesis covers theoretical development, circuit design, simulation and fabrication. This chip performs a simple hashing algorithm using standard RAM to store the data and can interface to several 8-bit and 16-bit microprocessors. The design of this device is aimed at improving the speed of compilers, assemblers, and whenever fast access to organized data tables are needed."--Abstract.
Hash Functions
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Author : Khanssaa Munthir AbdulMajeed
language : en
Publisher:
Release Date : 2013
Hash Functions written by Khanssaa Munthir AbdulMajeed and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with Algorithms categories.
While the some weaknesses have appeared in many hash functions such as MD4, MD5, RIPEMD-family and the series of Secure Hash Algorithm (SHA) families such as, SHA-0, SHA-1, SHA-2, with a number of SHA-3. Thus, National Institute of Standard and Technology (NIST) has suggested different principles to avoid the blunders, and to choice the ideal quality of hash function, that to be a measurement in future of hash function generations. Therefore, the goal of the NIST contenders in SHA-3 between the hash functions is to be chosen as the winner in the end of 2012, or the beginning of 2013. Therefore, for this reason the research addresses the comparative study of the finalist SHA-3 candidates in: design and structure, complexity, with performance and cost, to measure the robustness of the algorithms through the Fundamentals Security Measurement Factors of Hash Function (FSMFHF) of Secure Hash Algorithm (SHA). As a result, from this comprehensive comparison study between the finalist SHA-3 candidates such as; BLAKE, Grostl, JH, Keccak, and Skein, a choice can be made as to the ideal security algorithm against different attacks in suitable structure design of high utilizing of message distribution with high trade-off of speed/ area performance in low cost. Therefore main idea in this research is classify, comparison, and analysis for all five SHA-3 candidates of finalist, and studying the details of these five candidates that in Round 3 by using different structures and different design approaches, and identifying whether the complexity for each design. Thus, this research found a JH hash function is the faster in implementation followed by Grostl hash function, after that Keccak hash function, which gets best security of the hash function applications for different industry structures, as well as supporting a security of different size of data in computer science.
Towards Designing Energy Efficient Secure Hashes
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Author : Priyanka Dhoopa Harish
language : en
Publisher:
Release Date : 2015
Towards Designing Energy Efficient Secure Hashes written by Priyanka Dhoopa Harish and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015 with Computer security -- Software -- Energy consumption -- Design categories.
In computer security, cryptographic algorithms and protocols are required to ensure security of data and applications. This research investigates techniques to reduce the energy consumed by cryptographic hash functions. The specific hash functions considered are Message Digest-2 (MD2), Message Digest-5 (MD5), Secure Hash Algorithm-1 (SHA-1) and Secure Hash Algorithm-2 (SHA-2). The discussion around energy conservation in handheld devices like laptops and mobile devices is gaining momentum. Research has been done at the hardware and operating system levels to reduce the energy consumed by these devices. However, research on conserving energy at the application level is a new approach. This research is motivated by the energy consumed by anti-virus applications which use computationally intensive hash functions to ensure security. To reduce energy consumption by existing hash algorithms, the generic energy complexity model, designed by Roy et al. [Roy13], has been applied and tested. This model works by logically mapping the input across the eight available memory banks in the DDR3 architecture and accessing the data in parallel. In order to reduce the energy consumed, the data access pattern of the hash functions has been studied and the energy complexity model has been applied to hash functions to redesign the existing algorithms. These experiments have shown a reduction in the total energy consumed by hash functions with different degrees of parallelism of the input message, as the energy model predicted, thereby supporting the applicability of the energy model on the different hash functions chosen for the study. The study also compared the energy consumption by the hash functions to identify the hash function suitable for use based on required security level. Finally, statistical analysis was performed to verify the difference in energy consumption between MD5 and SHA2.
Hash Algorithm Design For A Non Uniformly Distributed Database
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Author : Christopher Jason Martinez
language : en
Publisher:
Release Date : 2008
Hash Algorithm Design For A Non Uniformly Distributed Database written by Christopher Jason Martinez and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with Computer networks categories.
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.