Cryptography

Get Analysis and Design of Cryptographic Hash Functions PDF

Posted On February 23, 2018 at 5:08 pm by / Comments Off on Get Analysis and Design of Cryptographic Hash Functions PDF

By Bart Preneel

Книга research and layout of Cryptographic Hash features research and layout of Cryptographic Hash capabilities 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 examine of cryptographic hash services. the significance of hash capabilities for safeguarding the authenticity of knowledge is tested. functions contain integrity security, traditional message authentication and electronic signatures. Theoretical effects on cryptographic hash features are reviewed. the data theoretic method of authentication is defined, and the practicality of schemes in keeping with common hash features is studied. an summary is given of the complexity theoretic definitions and buildings. the most contribution of this thesis lies within the examine of functional structures for hash services. 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 periods: hash services in response to block ciphers, hash features in accordance with modular mathematics and committed hash features. an outline is given of current assaults, new assaults are established, and new schemes are proposed.The research of easy development blocks of cryptographic hash services results in the examine of the cryptographic houses of Boolean features. New standards are outlined and capabilities pleasing new and current standards are studied.

Show description

Read or Download Analysis and Design of Cryptographic Hash Functions PDF

Best cryptography books

Thomas W. Cusick, Pantelimon Stanica's Cryptographic Boolean Functions And Applications PDF

Cryptographic Boolean services and purposes, moment version is designed to be a finished reference for using Boolean capabilities in smooth cryptography. whereas nearly all of study on cryptographic Boolean capabilities has been completed because the Nineteen Seventies, while cryptography started to be widespread in daily transactions, specifically banking, appropriate fabric is scattered over thousands of magazine articles, convention complaints, books, stories and notes, a few of them in simple terms on hand on-line.

Download e-book for iPad: The Mathematics of Coding Theory by Paul Garrett

This publication makes a really available advent to an important modern program of quantity thought, summary algebra, and chance. It includes various computational examples all through, giving beginners the chance to use, perform, and payment their knowing of key strategies. KEY issues insurance starts off from scratch in treating chance, entropy, compression, Shannon¿s theorems, cyclic redundancy exams, and error-correction.

Verification of security intelligence for a resilient SCADA - download pdf or read online

Supervisory keep an eye on and information acquisition (SCADA) networks practice key features to supply crucial companies and commodities such
as power, utilities, protection and communique procedure of a rustic. SCADA is part of a nation’s serious infrastructure and operates with the
support of commercial keep watch over structures, sensor networks, complicated info and communique applied sciences. SCADA networks are potentially
vulnerable to numerous different types of malicious assaults that may have an effect on the security of universal humans and the functionality of serious infrastructure
seriously and will reason large monetary loss. a good SCADA process is anticipated to be a resilient approach. The resiliency measures the ability
to and the rate at which a SCADA process can go back to common functionality point following a disruption. The vulnerability of a SCADA system
to a disruptive occasion might be considered as a mix of probability of a disruption and its capability severity. This paper explores a suite of
verification mechanisms to ascertain the safety intelligence of a resilient SCADA method. SCADA approach may be checked via intrusion,
device attestation, safe verbal exchange, inference keep an eye on and credential entry keep watch over verification mechanisms. those verification
mechanisms are analyzed within the context of a wise clever strength grid.
Keywords: SCADA, defense intelligence, Resiliency, Verification mechanisms, version checking.

Download e-book for iPad: Wireshark for Security Professionals: Using Wireshark and by Jessey Bullock, Jeff T. Parker

Grasp Wireshark to resolve real-world protection difficulties  in case you don’t already use Wireshark for quite a lot of info safety initiatives, you'll after this booklet. Mature and robust, Wireshark is often used to discover root reason behind tough community matters. This booklet extends that energy to info safeguard pros, entire with a downloadable, digital lab atmosphere.

Extra info for Analysis and Design of Cryptographic Hash Functions

Sample text

Finally note that in a complexity theoretic context the term universal one-way hash function (UOWHF) was proposed by M. Naor and M. Yung in [233]. The main characteristic of this one-way hash function is that it is randomly selected from a large set and independently of the data to be hashed. This implies trivially that producing collisions for a single hash function is useless. To avoid confusion between this very specific definition and the more general one-way hash function, this term will only be used in the complexity theoretic approach.

2. The argument X has a fixed length of m bits and the result g(X) has a fixed length of n bits (with n ≥ 128 cf. 1). 3. Given g and X, the computation of g(X) must be “easy”. 4. The function must be one-way in the sense that given a Y in the image of g, it is “hard” to find a message X such that g(X) = Y and given X and g(X) it is “hard” to find a message X = X such that g(X ) = g(X). 5. The function must be collision resistant: this means that it is “hard” to find two distinct messages that yield the same result.

Xi . t. Xi , or given Hi−1 , Hi , (and Xi ) it must be “hard” to find an Xi = Xi such that f (Xi , Hi−1 ) = Hi . The expression “for a given . . ” implies that Hi−1 and Hi can not be selected directly by an attacker. This attack can be used to construct either a preimage or a second preimage. If a direct attack requiring 2s operations can be mounted such that only n < n bits of Hi are matched, finding a (second) preimage will require 2n−n +s operations, which is more efficient than exhaustive search if s < n .

Download PDF sample

Analysis and Design of Cryptographic Hash Functions by Bart Preneel


by Robert
4.5

Rated 4.60 of 5 – based on 25 votes