cryptography research papers-21


cryptography network security


Cryptography and network security
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ABSTRACT SECURITY in this contemporary scenarios has become a more sensible issue either it may be in theREAL WORLD or in theCYBER WORLD. In the real world as opposed to the cyber world an attack is often preceded by information gathering.

Enhanced security design for threshold cryptography in ad hoc network
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ABSTRACT A mobile ad hoc network (MANET) is an autonomous system of mobile nodes. The nodes are free to move arbitrarily. Due to lack of a centralized secure infrastructure, the communication is prone to security attacks and the nodes can be easily compromised.

Applied Cryptography and Network Security
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Applied Cryptography and Network Security
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CRYPTOGRAPHY AS AN INSTRUMENT TO NETWORK SECURITY
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Abstract Network security is a complicated subject, historically only tackled by well- trained and experienced experts. However, as more and more people become``wired'', an increasing number of people need to understand the basics of security in a networked

Applied Cryptography and Network Security
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The 1st International Conference on Applied Cryptography and Network Security (ACNS 2003) was sponsored and organized by ICISA (International Communications and Information Security Association), in cooperation with MiAn Pte. Ltd. and the Kunming

A General Session Based Bit Level Block Encoding Technique Using Symmetric KeyCryptography to Enhance the Security of Network Based Transmission
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Abstract In this paper a session based symmetric key cryptographic algorithm has been proposed and it is termed as Matrix Based Bit Permutation Technique (MBBPT). MBBPT consider the plain text (ie the input file) as a binary bit stream with finite number bits. This

A New Approach to Supervise Security in Social Network through Quantum Cryptographyand Non-Linear Dimension Reduction Techniques
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ABSTRACT Social networking sites such as Orkut, Tribe, or Facebook allow millions of individuals to create online profiles and share personal information with vast networks of friendsand, often, unknown numbers of strangers. Some of the information revealed inside

Cryptography, Network Security, Data Mining and Knowledge Discovery, E-Commerce and Its Applications, and Embedded Systems (CDEE 2010)
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F Gao, Y Chen, C Yu 2010 computer.org Page 1. Proceedings of CDEE 2010 1st ACIS International Symposiums on Cryptography, Network Security, Data Mining and Knowledge Discovery, E-Commerce and Its Applications, and Embedded Systems (CDEE 2010) 23-24 October 2010 Qinhuangdao, Hebei, China

Applied Cryptography and Network Security
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JZMY FengBao 2006 Springer The 4th International Conference on Applied Cryptography and Network Security (ACNS individuals from academia and industry involved in multiple research disciplines of

EC2035 CRYPTOGRAPHY AND NETWORK SECURITY LTPC
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UIIPKEY CRYPTOGRAPHY, A UNIT III francisxavier.ac.in AIM To understand the principles of encryption algorithms; conventional and public key cryptography. To have a detailed knowledge about authentication, hash functions and application level security mechanisms. OBJECTIVESTo know the methods of conventional

CS6701 CRYPTOGRAPHY AND NETWORK SECURITY LTPC
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U II slogix.in Services, Mechanisms and attacks-the OSI security architecture-Network security model-Classical Encryption techniques (Symmetric cipher model, substitution techniques, transposition techniques, steganography).FINITE FIELDS AND NUMBER THEORY: Groups, Rings,

NETWORK SECURITY AND CRYPTOGRAPHY (ELECTIVE IV) UNIT I
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M TECH ACADEMIC REGULATIONS COURSE STRUCTURE gnits.ac.in G. Narayanamma Institute of Technology and Science (for women), Autonomous M. TECH.(DIGITAL ELECTRONICS AND COMMUNICATION ENGINEERING) I Year II Sem M. Tech,(DECE) NETWORK SECURITY AND CRYPTOGRAPHY (ELECTIVE IV) UNIT I Introduction: Attacks, Services

ECE 646, Cryptography and Computer Network Security Instructor
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1. Organization of the course. Basic concepts of cryptology. 08/27/2013 2. Types of cryptosystems. 09/03/2013 3. Implementation of security services. 09/10/2013 4. Key management. 09/17/2013 5. Pretty Good Privacy. 09/24/2013 6. Mathematical background

QUANTUM CRYPTOGRAPHY: AN EMERGING TREND IN NETWORK SECURITY
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MV CHAUDHARI, PA SALUNKHE ijcitb.com ABSTRACT Classical cryptography methods fails when computations increase and also the channel capacity reduces which led to the development of quantum cyrptography. Quantum cryptography is a technology is a technology in which the communicating parties develop

Network Security Using Quantum Cryptography
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N Kusuma, NS Tejaswi, T Anitha, KVD Kiran ijcttjournal.org ABSTRACT Network security and cryptography is a subject about how to protect information in digital form and to provide security services. The purpose of a digital signature is to provide a means for an entity to bind its identity to a piece of information. The common attacks on

Network Security Challenges and Cryptography in Network Security
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ABSTRACT The importance of network security has been significantly increasing in the past few years. As the number of autonomous systems or hosts are increasing every day due the wide spread use of the internet. We know that the internet has become the largest hub of

Network Security: Cryptography-The Science of Secret Code
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K VIJAYALAKSHMI technicaljournals.org ABSTRACT Network security is a fast moving technology in the field of computer science. The success and growth of the Internet has made it fertile ground for malicious attackers and abusers. With the increasing number of security devices and rules in the network, the

Enhancement of Network Security by Quantum Cryptography
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ABSTRACT The Security of data and data communication is a top priority because the consequences of insecure data can have grave effects on both the economy and national security. Cryptography is used to secure the information transmitted over

Network security and cryptography
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ABSTRACT A paper realize on network security and cryptography for different applications to secure data in a system, though the top management, IT professionals and end users need to be aware and understand the concept of it. Also discusses how all three groups look at

Applied Cryptography and Network Security
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The 3rd International Conference on Applied Cryptography and Network Security (ACNS 2005) was sponsored and organized by ICISA (the International Communications and Information Security Association). It was held at Columbia University in New York, USA,

Investigation of System Performance of Quantum Cryptography Key Distribution in Network Security
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ABSTRACT For the past decade progress in quantum cryptography changed the status of quantum key distribution (QKD) from laboratory to the practical innovation technology. Quantum cryptography is an emerging technology in which two parties can secure

Applied Cryptography and Network Security
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ACNS 2010, the 8th International Conference on Applied Cryptography and Network individuals from academia and industry involved in multiple research disciplines of

Applied Cryptography and Network Security
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ACNS 2008, the 6th International Conference on Applied Cryptography and Network 2008 was organized in cooperation with the International Association for Cryptologic

Applied Cryptography and Network Security
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The 12th International Conference on Applied Cryptography and Network Security (ACNS) Polytechnique Fdrale de Lausanne (EPFL). The conference received 147 submissions.

ECE 546/646 Cryptography and Computer Network Security
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S Bruck, F Yuan, K Chaudry 2000 bass.gmu.edu The Equal Employment Opportunity Commission's (EEOC) mission is to promote equal opportunity in employment through administrative and judicial enforcement of the federal Civil Rights laws and through education and technical assistance. The EEOC receives

NETWORK SECURITYCRYPTOGRAPHY: it's time to take it seriously
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ABSTRACT Network security has become more important to personal computer users, organizations, and the military. With the advent of the internet, security became a major concern and the history of security allows a better understanding of the emergence of

Applied Cryptography and Network Security
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These proceedings contain 31 papers selected for presentation at the 9th International Conference on Applied Cryptography and Network Security (ACNS 2011) held June 7-10, 2011 in Nerja (Malaga), Spain, and hosted by the Computer Science Department of the

Some Aspects of Quantum Cryptography and Network Security
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ABSTRACT Quantum mechanics is the current best description of the world as we know it. Experiments have shown that quantum predictions are accurate up ten places of decimal. In quantum cryptography much work has been devoted to the study of Quantum Key

Cryptography and Network Security
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Welcome to today's class. Today, we will discuss about Modern Block Cipher Standards. In last day's class, we have discussed about the DES algorithm. So, today, we will take up a new standard, which is followed worldwide. It was adopted as a standard around 2000–

BODY SENSOR NETWORK SECURITY USING CRYPTOGRAPHY APPROACH
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ABSTRACT A body sensor network (BSN), is a network of sensors de-ployed on a person's body, usually for health care monitoring. Since the sensors collect personal medical data, security and privacy are important components in a body sensor network. At the same time

Digital One Time Proxy Signature Using Domain Keys Identified Mail (Dkim) In CryptographyUnder Network Security
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KN Devi iosrjournals.org ABSTRACT One-time proxy signature scheme is a method for constructing a digital signature. Digital signature of a document is a piece of information encrypted by the signer's private key. Proxy signature is a digital signature where an original signer delegates her

RSA Cryptography Algorithm: An Impressive Tool in Decreasing Intrusion Detection System Vulnerabilities in Network Security
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SH Mortazavi, PS Avadhani ijitee.org ABSTRACT This paper is discussed the security of computer networks is a concern for businesses and individuals who are aware of its advantages due to its flexibility. With the increase security of IDS for companies and homes, where information property are shared

Sensor Network Security: Elliptic Curve Cryptography on SunSPOTs.
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While several security mechanisms and protocols have been developed in the context of the Internet, many new challenges arise due to the characteristics of power-constrained wireless sensor networks. In this work, we focus on the Javaprogrammable SunSPOT device and

Polynomially Uncomputable Number-Theoretic Problems in Cryptography and Network Security.
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ABSTRACT By far the most important automated tool for network and communications security is encryption, but encryption itself needs security. As we know, many cryptosystems and cryptographic protocols are based their security on some computationally intractable

Network Security and Applied Cryptography Lab, Stony Brook University {petertw, sion} cs. stonybrook. edu
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P Williams 46.43.36.213 ABSTRACT In [22] we showed that existing single-server computational private information retrieval (PIR) protocols for the purpose of preserving client access patterns leakage are orders of magnitude slower than trivially transferring the entire data sets to the inquiring

Data Security via Public-Key Cryptography in Wireless Sensor Network
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ABSTRACT Wireless Sensor Networks (WSN) are becoming a key technology in the support of dominant and ubiquitous services. The previous notion of PKC is too expensive for WSN" has changed partially due to the existence of new hardware and software prototypes

Network based Security model using Symmetric Key Cryptography (AES 256–Rijndael Algorithm) with Public Key Exchange Protocol (Diffie-Hellman Key
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Summary The main aim of this paper is to strengthen secured communication over the Network by enhancing the strength of the AES algorithm with Diffie-Hellman key exchange Protocol. The Rijndael is a block cipher with variable block and key size is believed to

Quantum asymmetric cryptography with symmetric keys
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ABSTRACT Based on quantum encryption, we present a new idea for quantum public-key cryptography (QPKC) and construct a whole theoretical framework of a QPKC system. We show that the quantum-mechanical nature renders it feasible and reasonable to use

An authenticated constant round group key agreement protocol based on elliptic curvecryptography
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Summary Group key agreement protocol allows all the members to agree upon a common session key, which may be used for later secure communication among all the participants. In this paper, an authenticated constant round group key agreement protocol is proposed

Fast arithmetic on ATmega128 for elliptic curve cryptography
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ABSTRACT. Authentication protocols are indispensable in wireless sensor networks. Commonly they are based on asymmetric cryptographic algorithms. In this paper we investigate all categories of finite fields suitable for elliptic curve cryptography on the ATmega128

Fault Attack and Countermeasures on Pairing-Based Cryptography
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ABSTRACT Bilinear pairing is a new and increasingly popular way of constructing cryptographic protocols. This has resulted in the development of Identity Based Encryption (IBE) that is ideally used in identity aware devices. The security of such devices using pairing

A vector approach to cryptography implementation
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The current deployment of Digital Right Management (DRM) schemes to distribute protected contents and rights is leading the way to massive use of sophisticated embedded cryptographic applications. Embedded microprocessors have been equipped with bulky

Enhancement of AGT Telecommunication Security using Quantum Cryptography
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ABSTRACT Aeronautical Telecommunication Network (ATN) is the network used by the Air Traffic Authorities, the Air Traffic Controllers (ATCo), the aircrafts and all Ground Stations (GS) to communicate voice and data. This paper describes how the ATN can be secured

Quantum cryptography
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The Greek words kryptos = hidden and logos = word are the etymological sources for cryptology, the science of secure communication. Within cryptology, one distinguishes cryptography (or code-making ) and cryptanalysis (or code-breaking ). The aim of

ID-based cryptography using symmetric primitives
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ABSTRACT A general method for deriving an identity-based public key cryptosystem from a one- way function is described. We construct both ID-based signature schemes and ID-based encryption schemes. We use a general technique which is applied to multi-signature

Cryptography with tamperable and leaky memory A large and growing body of research has sought to secure cryptographic systems against physical attacks. Motivated by a large variety of real-world physical attacks on memory, an important line of work was initiated by Akavia, Goldwasser, and Vaikuntanathan where

Hybrid binary-ternary joint sparse form and its application in elliptic curve cryptography
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ABSTRACT Multi-exponentiation is a common and time consuming operation in public-key cryptography. Its elliptic curve counterpart, called multi-scalar multiplication is extensively used for digital signature verification. Several algorithms have been proposed to speed-up

Python Cryptography Toolkit
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ABSTRACT The Python Cryptography Toolkit describes a package containing various cryptographic modules for the Python programming language. This documentation assumes you have some basic knowledge about the Python language, but not necessarily about

A novel approach towards realizing optimum data transfer and Automatic Variable Key (AVK) in cryptography
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Summary High Level Information security needs research and Investigation due to increasing security threatsattacks with increasing volume of Information traffic. In literature huge studies are made but all with a fixed secret key, but variable encryption scheme and

Efficient application of hybrid 150/90 cellular automata to symmetric cryptography In this work, it is shown that a wide class of nonlinear sequence generators, the so called interleaved sequence generators, can be modelled in terms of linear cellular automata. A simple modelling procedure based on the concatenation of automata has been derived.

Group-based cryptography
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This book is about relations between three different areas of mathematics and theoretical computer science: combinatorial group theory, cryptography, and complexity theory. We explore how non-commutative (infinite) groups, which are typically studied in

Cryptography for efficiency: Authenticated data structures based on lattices and parallel online memory checking
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ABSTRACT. In this work, we initially design a new authenticated data structure for a dynamic table with n entries. We present the first dynamic authenticated table that is update-optimal, using a lattice-based construction. In particular, the update complexity is O (1), improving

Next generation usability of cryptography–combining flexiprovider and jcryptool
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ABSTRACT This work introduces the integration of the FlexiProvider cryptographic library in the JCrypTool e-learning application. This presents the software architecture of the implementation part, as well as the interface used to access the novel interface of the

Elliptic Curve Cryptography over Binary Finite Field GF (2m)
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ABSTRACT The rapid growth of information technology that has resulted in sgnificant advances in cryptography to protect the integrity and confidentiality of data is astounding. Elliptic curve cryptography is gaining wide acceptance as an alternative to the conventional

Cryptography and Cryptanalysis Through Computational Intelligence
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A basic task of cryptography is the transformation, or encryption, of a given message into another message which appears meaningful only to the intended recipient through the process of decryption. The message that undergoes encryption is called the plaintext (or

Bilinear pairings in cryptography
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ABSTRACT This thesis consists of two sections. The first section is devoted to the mathematics of pairings. Elliptic and hyperelliptic curves over finite fields are described, as well as rational functions and divisors on such curves. The Weil pairing on elliptic curves, and the

Geneva brings quantum cryptography to internet voting Geneva, Switzerland, has long been at the forefront of electronic voting innovation. In 2004, Geneva rolled out one of the first Internet voting systems in the world. Now Geneva is touting its new unique electronic voting security system that uses quantum cryptography to

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