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检索条件"任意字段=2nd International Conference on Security in Computer Networks and Distributed Systems, SNDS 2014"

共 309 条记录，以下是131-140 订阅

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A Hybrid Encryption Technique for Securing Biometric Image Data Based on Feistel Network and RGB Pixel Displacement

A Hybrid Encryption Technique for Securing Biometric Image D...

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2nd international conference on security in computer networks and distributed systems, snds 2014

作者： Kester, Quist-Aphetsi Nana, Laurent Pascu, Anca Christine Gire, Sophie Eghan, Jojo Moses Quaynnor, Nii Narku Ghana Technology University College Accra Ghana European University of Brittany UBO France European University of Brittany France Department of Computer Science University of Cape Coast Cape Coast Ghana

ISBN: (纸本)9783642545245

Biometric data in a form of images collected from biometric devices and surveillance devices needed to be protected during storage and transmission. Due to the Nature of biometric data, information of the evidence or content of the images need to be preserve after encryption of the plain image and the decryption of the ciphered image. This has to be achieved with a good level of hardness encryption algorithm. Hence this work has proposed a hybrid encryption technique for securing biometric image data based on Feistel Network and RGB pixel displacement. The implementation was done using MATLAB. © Springer-Verlag Berlin Heidelberg 2014.

关键词： Cryptography

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Computationally Perfect Secret Sharing Scheme Based on Error-Correcting Codes

Computationally Perfect Secret Sharing Scheme Based on Error...

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2nd international conference on security in computer networks and distributed systems, snds 2014

作者： Tentu, Appala Naidu Paul, Prabal Venkaiah, V.Ch. CR Rao Advanced Institute of Mathematics Statistics and Computer Science University of Hyderabad Campus Hyderabad 500046 India Birla Institute of Technology and Science Pilani Goa Campus Goa 403726 India Department of Computer and Information Sciences University of Hyderabad Hyderabad 500046 India

ISBN: (纸本)9783642545245

In this paper, we propose a secret sharing scheme for compartmented access structure with lower bounds. Construction of the scheme is based on the Maximum Distance Separable (MDS) codes. The proposed scheme is ideal and computationally perfect. By computationally perfect, we mean, an authorized set can always reconstruct the secret in polynomial time whereas for an unauthorized set this is computationally hard. This is in contrast to some of the existing schemes in the literature, in which an authorized set can recover the secret only with certain probability. Also, in our scheme unlike in some of the existing schemes, the size of the ground field need not be extremely large. This scheme is efficient and requires O(mn 3), where n is the number of participants and m is the number of compartments. © Springer-Verlag Berlin Heidelberg 2014.

关键词： Codes (symbols)

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A Simple and Efficient Key-Dependent S-Box Design Using Fisher-Yates Shuffle Technique

A Simple and Efficient Key-Dependent S-Box Design Using Fish...

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2nd international conference on security in computer networks and distributed systems, snds 2014

作者： Ahmad, Musheer Khan, Parvez Mahmood Ansari, Mohd Zeeshan Department of Computer Engineering Jamia Millia Islamia New Delhi 110025 India Department of Computer Science and Engineering Integral University Lucknow 226026 India

ISBN: (纸本)9783642545245

The substitution boxes are the only components in most of symmetric encryption systems that induce nonlinearity to provide efficacious data confusion. The cryptographic potency of these systems primarily depends upon the caliber of their S-boxes. This brings new challenges to design cryptographically efficient S-boxes to develop strong encryption systems. Here, a simple and effective method to design an efficient 8×8 S-box is put forward. The proposed design methodology is based on the classical Fisher-Yates shuffle technique. A piece-wise linear chaotic map is incorporated to act as a source to generate random numbers for proficient execution of shuffle technique. The construction of dynamic S-box is under the control of secret key. The performance evaluation of proposed S-box against standard statistical tests like bijective property, nonlinearity, strict avalanche criteria and equiprobable I/O XOR distribution reveals its excellent performance. Moreover, the proposed S-box is also compared with some recent chaos-based S-boxes. The investigations confirm that the design is consistent and suitable for secure communication. © Springer-Verlag Berlin Heidelberg 2014.

关键词： Secure communication

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Improved Detection of P2P Botnets through Network Behavior Analysis

Improved Detection of P2P Botnets through Network Behavior A...

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2nd international conference on security in computer networks and distributed systems, snds 2014

作者： Garg, Shree Sarje, Anil K. Peddoju, Sateesh Kumar Indian Institute of Technology Roorkee Roorkee Uttrakhand India

ISBN: (纸本)9783642545245

Botnets are becoming powerful threats on the Internet because they launch targeted attacks towards organizations and the individuals. P2P botnets are resilient and more difficult to detect due to their nature of using different distributed approaches and encryption techniques. Classification based techniques proposed in the literature to detect P2P botnets, report high overall accuracy of the classifier but fail to recognize individual classes at the similar rates. Identification of non-bot traffic is equally important as that of bot classes for the reliability of the classifier. This paper proposes a model to distinguish P2P botnet command and control network traffic from normal traffic at higher rate of both the classes using ensemble of decision trees classifier named Random Forests. Further to optimize the performance, this model also addresses the problem of imbalanced nature of dataset using techniques like downsampling and cost sensitive learning. Performance analysis has been done on the proposed model and evaluation results show that true positive rate for both botnet and legitimate classes are more than 0.99 whereas false positive rate is 0.008. © Springer-Verlag Berlin Heidelberg 2014.

关键词： Peer to peer networks

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Enhancing E-Payment security through Biometric Based Personal Authentication Using Steganography Scheme - B-PASS

Enhancing E-Payment Security through Biometric Based Persona...

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2nd international conference on security in computer networks and distributed systems, snds 2014

作者： Chelliah, Balasubramanian Geetha, S. Department of Computer Science and Engineering P.S.R. Rengasamy College of Engineering Sivakasi Tamil Nadu India Department of Information Technology Thiagarajar College of Engineering Madurai 625 015 Tamil Nadu India

ISBN: (纸本)9783642545245

Biometrics (or biometric authentication) which is more secure than conventional password based scheme, consists of methods for uniquely recognizing humans based upon one or more intrinsic physical or behavioral traits. Biometrics has become increasingly more valuable as a tool for verifying identities in a new and deeply interconnected national security environment. It plays a major role in almost all e-transactions. These e-transactions require a commitment to secure transactional details, including credit card information of the customers from various attacks such as replay attack, circumvention, repudiation and covert acquisition. To overcome the above mentioned attacks, a system that enhances E-payment security through Biometric PASS (Personal Authentication using Steganography Scheme) has been proposed. In this system a B-PASS card is generated by collecting the user's fingerprint and pin number during registration, which is later checked during verification phase. Transaction is possible only if all the three components (fingerprint, pin number and B-PASS card) are available and verified to be genuine. This system gives the internet users the confidence to perform e-transactions without the need to worry about the hackers or online shopping frauds. © Springer-Verlag Berlin Heidelberg 2014.

关键词： Biometrics

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Palmprint Recognition Using Fusion of 2D-Gabor and 2D Log-Gabor Features

Palmprint Recognition Using Fusion of 2D-Gabor and 2D Log-Ga...

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2nd international conference on security in computer networks and distributed systems, snds 2014

作者： Prasad, Munaga V.N.K. Kavati, Ilaiah Adinarayana, B. Castle Hills Masab Tank Hyderabad 57 India

ISBN: (纸本)9783642545245

Palmprint technology is a new branch of biometrics used to identify an individual. Palmprint has rich set of features like palm lines, wrinkles, minutiae points, texture, ridges etc. Several line and texture extraction techniques for palmprint have been extensively studied. This paper presents an intra-modal authentication system based on texture information extracted from the palmprint using the 2D- Gabor and 2D-Log Gabor filters. An individual feature vector is computed for a palmprint using the extracted texture information of each filter type. Performance of the system using two feature types is evaluated individually. Finally, we combine the two feature types using feature level fusion to develop an intra-modal palmprint recognition system. The experiments are evaluated on a standard benchmark database (PolyU Database), and the results shows that significant improvement in terms of recognition accuracy and error rates with the proposed intra-modal recognition system compared to individual representations. © Springer-Verlag Berlin Heidelberg 2014.

关键词： Palmprint recognition

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Seamless Handoff of Ping-Pong Calls in Mobile Wimax networks

Seamless Handoff of Ping-Pong Calls in Mobile Wimax Networks

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2nd international conference on security in computer networks and distributed systems, snds 2014

作者： Sridevi, Balu Julia, G.V.Shirley Rajaram, S. Department of ECE Velammal College of Engineering and Technology India Department of ECE Thiagarajar College of Engineering India

ISBN: (纸本)9783642545245

Wireless Networking is a promising technology that allows users to access a broad range of information and applications. The global boom in the number of users of the global internet has led to the development of fixed and mobile broadband technologies providing support for high speed streaming multimedia and unhampered quality of service. WiMAX technology given by IEEE 802.16e is one such technology that offers promising features in terms of high bandwidth, extended coverage area and low cost. WiMAX also suffers from certain issues like handoff delay and security threats. The ping-pong effect occurs due to the frequent movement of mobile units between the two Base Stations (BS) and thus experiences unwanted handoff delay at both BS. This paper proposes the algorithm for identification of ping-pong calls from normal re-entries, process them separately such that the handoff delay and resource wastage due to ping-pong calls are reduced. The proposed algorithm deals with caching of the key and uplink mapping parameters for the ping-pong users in order to reduce the overhead of the long network entry process. The network model was developed using Network Simulator and the algorithm was implemented in MATLAB GUIDE which gets connected to the database developed in MYSQL. © Springer-Verlag Berlin Heidelberg 2014.

关键词： Interoperability

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Clustering Based Routing Strategies for Energy Management in Ad-Hoc networks

Clustering Based Routing Strategies for Energy Management in...

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2nd international conference on security in computer networks and distributed systems, snds 2014

作者： Karia, Deepak C. Shinde, Shravanee Sardar Patel Institute of Technology Mumbai University Mumbai India

ISBN: (纸本)9783642545245

Clustering is an energy efficient routing technique which is used for ad-hoc network optimization in terms of energy and lifetime. A clustering technique takes into consideration only two parameters that of node-ID and node-Degree. We propose two clustering based routing protocols namely 'Multiple Criterion - Clustering Based Routing Protocol' (MC-CBRP) and 'Residual Energy-Clustering Based Routing Protocol' (RE-CBRP). The proposed protocols take into consideration the node energy along with the other network parameters. These protocols provide an extension to the existing Cluster Based Routing Protocol (CBRP). In RE-CBRP we consider the node energy to be the criterion for the cluster head selection. The node having the maximum residual energy is elected as the cluster head. Whereas MC-CBRP takes into account node ID, node Degree along with node energy to select a cluster head. The results provide comparative performance analysis of RE-CBRP, MC-CBRP, existing CBRP and Dynamic Source Routing (DSR) protocols. Results demonstrate that the network can be efficiently optimized with respect to energy using the RE-CBRP and MC-CBRP as compared to CBRP and DSR. © Springer-Verlag Berlin Heidelberg 2014.

关键词： Routing protocols

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A Genetic Algorithm for Scheduling Workflow Applications in Unreliable Cloud Environment

A Genetic Algorithm for Scheduling Workflow Applications in ...

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2nd international conference on security in computer networks and distributed systems, snds 2014

作者： Singh, Lovejit Singh, Sarbjeet Computer Science and Engineering UIET Panjab University Chandigarh India

ISBN: (纸本)9783642545245

Cloud Computing refers to application and services offered over Internet using pay-as-you-go model. The services are offered from data centers all over the world, which jointly are referred to as the "Cloud". The data centers use scheduling techniques to effectively allocate virtual machines to cloud applications. The cloud applications in area such as business enterprises, bio-informatics and astronomy need workflow processing in which tasks are executed based on data dependencies. The cloud users impose QoS constraints while executing their workflow applications on cloud. The QoS parameters are defined in SLA (Service Level Agreement) document which is signed between cloud user and cloud provider. In this paper, a genetic algorithm has been proposed that schedules workflow applications in unreliable cloud environment and meet user defined QoS constraints. A budget constrained time minimization genetic algorithm has been proposed which reduces the failure rate and makespan of workflow applications. It allocates those resources to workflow application which are reliable and cost of execution is under user budget. The performance of genetic algorithm has been compared with max-min and min-min scheduling algorithms in unreliable cloud environment. © Springer-Verlag Berlin Heidelberg 2014.

关键词： Genetic algorithms

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Emergency Aware, Non-invasive, Personalized Access Control Framework for IMDs

Emergency Aware, Non-invasive, Personalized Access Control F...

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2nd international conference on security in computer networks and distributed systems, snds 2014

作者： Darji, Monika Trivedi, Bhushan H. LJ Institute of Computer Application Ahmedabad India GLS Institute of Computer Technology Ahmedabad India

ISBN: (纸本)9783642545245

Implantable Medical Devices have helped patients suffering from chronic diseases by providing continuous diagnosis, treatment and remote monitoring without hospitalization and at a less expense with increased flexibility. Incorporation of wireless bidirectional communication has introduced vulnerabilities like unauthorized wireless access which might get realized as a security attack and endanger patient privacy and safety. Traditional security and privacy techniques cannot be directly applied to these devices because of their miniaturized size which leads to power, computational and storage constraint. Moreover their positioning inside the human body makes battery replacement possible only through surgery. security and privacy technique for these devices must balance security and safety and should also be acceptable and usable. Moreover it should not reduce the clinical effectiveness of the device. security researchers have proposed ways of providing security but have kept the property of fail openness in order to make IMD accessible during emergencies. Fail openness is defined as a property of Implantable Medical Device due to which during emergency condition access is granted bypassing all security techniques. We argue that the patient is all the more vulnerable during an emergency situation and complete removal of security may be dangerous for the safety of the *** propose a solution to provide fine grained Access Control which also takes emergency condition into notice. The security needs for IMD communication requires dynamic and flexible policy enforcement. While providing strong Access Control during normal situation, our solution accommodates emergency access to the data in a life-threatening situation. We propose personalized Emergency Aware role based Access Control (EAAC) framework. This framework can work in conjunction with Authentication and Encryption to provide a strong security solution as compared to other solutions. In fact we believe that

关键词： Authentication

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