Download Analysis and Design of Cryptographic Hash Functions by Bart Preneel PDF

By Bart Preneel

Книга research and layout of Cryptographic Hash features research and layout of Cryptographic Hash services Книги Криптография Автор: Bart Preneel Год издания: 2003 Формат: pdf Страниц: 338 Размер: 1.4 Язык: Английский eighty five (голосов: 1) Оценка:The topic of this thesis is the learn of cryptographic hash services. the significance of hash services for safeguarding the authenticity of knowledge is verified. purposes comprise integrity defense, traditional message authentication and electronic signatures. Theoretical effects on cryptographic hash features are reviewed. the knowledge theoretic method of authentication is defined, and the practicality of schemes in line with common hash capabilities is studied. an outline is given of the complexity theoretic definitions and buildings. the most contribution of this thesis lies within the examine of sensible structures for hash capabilities. A common version for hash services is proposed and a taxonomy for assaults is gifted. Then all schemes within the literature are divided into 3 sessions: hash capabilities in response to block ciphers, hash services in keeping with modular mathematics and devoted hash features. an summary is given of present assaults, new assaults are established, and new schemes are proposed.The learn of easy construction blocks of cryptographic hash features results in the research of the cryptographic houses of Boolean services. New standards are outlined and features gratifying new and latest standards are studied.

Show description

Read or Download Analysis and Design of Cryptographic Hash Functions PDF

Best cryptography books

Beginning Cryptography with Java

Whereas cryptography can nonetheless be a arguable subject within the programming neighborhood, Java has weathered that hurricane and gives a wealthy set of APIs that let you, the developer, to successfully comprise cryptography in applications-if you recognize how.

This ebook teaches you the way. Chapters one via 5 conceal the structure of the JCE and JCA, symmetric and uneven key encryption in Java, message authentication codes, and the way to create Java implementations with the API supplied by way of the Bouncy fort ASN. 1 programs, all with lots of examples. development on that starting place, the second one half the e-book takes you into higher-level themes, permitting you to create and enforce safe Java functions and utilize general protocols comparable to CMS, SSL, and S/MIME.

What you are going to examine from this publication the best way to comprehend and use JCE, JCA, and the JSSE for encryption and authentication The ways that padding mechanisms paintings in ciphers and the way to identify and fasten ordinary blunders An realizing of the way authentication mechanisms are applied in Java and why they're used tools for describing cryptographic gadgets with ASN. 1 tips on how to create certificates revocation lists and use the web certificates prestige Protocol (OCSP) Real-world net suggestions utilizing Bouncy fortress APIs

Who this e-book is for

This booklet is for Java builders who are looking to use cryptography of their purposes or to appreciate how cryptography is getting used in Java purposes. wisdom of the Java language is important, yet you needn't be conversant in any of the APIs discussed.

Wrox starting publications are crafted to make studying programming languages and applied sciences more uncomplicated than you're thinking that, offering a based, instructional layout that would consultant you thru the entire recommendations concerned.

Web and Information Security

Edited types of chosen papers from a 2002 IEEE COMPSAC workshop held in Oxford, united kingdom, including a number of extra papers on kingdom- of-the-art themes, disguise key advancements, instructions, and demanding situations for securing the semantic internet, handling and implementing safeguard regulations, and securing rising structures resembling multimedia and collaborative networks.

Robust Computer Vision: Theory and Applications (Computational Imaging and Vision)

From the foreword by means of Thomas Huang: "During the earlier decade, researchers in computing device imaginative and prescient have came across that probabilistic computer studying equipment are super strong. This booklet describes a few of these equipment. as well as the utmost probability framework, Bayesian Networks, and Hidden Markov types also are used.

Open Source Software for Digital Forensics

Open resource ApplicationsSpringer publication SeriesEditor: Ernesto Damiani, collage of Milan, Italyhttp://sesar. dti. unimi. it/ossbook/Open resource software program for electronic Forensics is the 1st publication devoted to using FLOSS (Free Libre Open resource software program) in laptop forensics. It offers the motivations for utilizing FLOSS functions as instruments for assortment, renovation and research of electronic facts in laptop and community forensics.

Additional resources for Analysis and Design of Cryptographic Hash Functions

Example text

Given h and X, it is “hard” to determine h(K, X) with a probability of success “significantly higher” than 1/2n . Even when a large set of pairs {Xi , h(K, Xi )} is known, where the Xi have been selected by the opponent, it is “hard” to determine the key K or to compute h(K, X ) for any X = Xi . This last attack is called an adaptive chosen text attack 2 . Note that this last property implies that the MAC should be both one-way and collision resistant for someone who does not know the secret key K.

Of course it is a nice property if even finding such a pseudo-collision is hard, but it is only relevant for applications where IV can be modified by an attacker, or where the hash function is constructed in a different way (cf. 4). • A similar remark applies if a preimage can be found for an IV = IV : for a large class of constructions it is always possible to find such a “pseudo-preimage”. If the attack yields an IV that is the outcome of a pseudo-random process, the probability of hitting the right IV is as small as finding a random preimage.

The size of the signature grows logarithmically with M and is equal to 2k ∗ n log2 M . The signing operation will require on average about 3k ∗ log2 M applications of g (this comprises the use of g to generate pseudo-random variables instead of using truly random quantities) and a memory of size (log2 M )2 n/2. The verification operation requires about k ∗ log2 M applications of g. 1 Kbytes for the computations and 8100 applications of g. 4 Kbytes. The author indicates that further optimizations are possible, that reduce the number of applications of g with a factor 4.

Download PDF sample

Rated 4.94 of 5 – based on 44 votes