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检索条件"主题词=Digital Signature Algorithm"

共 39 条记录，以下是21-30 订阅

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Cryptography Survey of DSS and DSA

Cryptography Survey of DSS and DSA

引用

International Conference on Advances in Materials and Manufacturing Engineering (ICAMME)

作者： Al-Absi, Mohammed Abdulhakim Abdullaev, Azamjon Al-Absi, Ahmed Abdulhakim Sain, Mangal Lee, Hoon Jae Dongseo Univ Div Informat & Commun Engn 47 Jurye Ro Busan 47011 South Korea Kyungdong Univ Dept Smart Comp 46 4-Gil Gosung 24764 Gangwon Do South Korea

ISBN: (纸本)9789811513077;9789811513060

digital signatures are the basis for identifying who sends file identities in modern society today. digital signatures are a way to provide integrity and reliability for digital data signatures. signatures use a set of principles and parameters that allow a computer to verify the identity and authentication of data. There are three algorithms for digital signature generation in the DSS. The first one is the RSA, the second is the ElGamal algorithm, and the third is the elliptic curve digital signature algorithm (ECDSA). This paper discusses the cryptography including different types of digital signatures based on the key type and some algorithms of digital signature, RSA, ElGamal, and ECDSA.

关键词： digital signature digital signature algorithm DSA ECDSA RSA DSS

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signature BASED DATA AUDITING UNDER MOBILE CLOUD SYSTEM

SIGNATURE BASED DATA AUDITING UNDER MOBILE CLOUD SYSTEM

引用

Global Conference on Communication Technologies (GCCT)

作者： Shiny, R. Shaji, R. S. Jayan, J. P. Noorul Islam Univ Dept Software Engn Kumaracoil Tamil Nadu India Noorul Islam Univ Dept IT Kumaracoil Tamil Nadu India

ISBN: (纸本)9781479985531

Cloud computing is getting more popular in the field of computer science because of its reliability in storing and assessing data remotely. In the presence scenario it is very biter to have mobile devices as an interface between user and server, to access and store data for one's need. Mobile technology in cloud computing is helps users to operate on the data for any of the application for their organization in mobility. In these aspects mobile cloud computing is our current topic of interest as it is very necessary to protect the data in storage and access since the transportation of the data is through mostly by public network. In this project the mobile cloud environment is used for storing and assessing data and thus it is needed to have an efficient cloud network that is a framework for communication and data authentication. For authentication it is vital to design a security framework for mobile cloud environment that ensures better authentication of data in the mobile devices and in the storage devices. We propose a new security framework for receiving of data using the concept of digital signature.

关键词： Cryptography digital signature algorithm Cloud Service Provider Hash Message digest

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A Dynamic Two-Level Priority Based Authentication System for Job Scheduling in a Heterogeneous Grid Environment

A Dynamic Two-Level Priority Based Authentication System for...

引用

SAI Computing Conference (SAI)

作者： Gupta, Sunil Gabrani, Goldie BML Munjal Univ Sch Engn & Technol Gurgaon Haryana India

ISBN: (纸本)9781467384605

The Grid environment is highly dynamic in nature where a variety of users from all over the world try to access the resources that are again distributed all over. Both the users and resources are highly varied. The users can be both valid and invalid, can have single job or multiple jobs, and can have jobs that can have different processing requirements, may be an old loyal user or may be a new one. Similarly the resources can have different characteristics like the processing speed, number of processing elements each resource has, whether the resources have joined or left the grid and so on. In such an environment if an un-authorized user is allowed to access the resource, there is a security threat to the grid. Even if one unauthorized user is allowed to access the grid;the whole grid becomes susceptible to many security threats. So resources should only be available to authorized users. Moreover, as number of users and their jobs increases, they face a lot of competition amongst themselves to get access to the resources. In order to solve the conflicts the resources must be allocated to the users by some arbitration mechanism. In this paper we propose a grid framework that focusses on solving these two major problems namely authentication and arbitration by means of using a robust authentication mechanism and by assigning priority to users and their jobs. In order to achieve secure resource allocation to valid user jobs for maximum resource utilization along with minimizing waiting time and elapsed time of jobs, a secure resource allocation scheme using ECC algorithm with two-level priority has been proposed. The results have been compared with a non-priority based system and our proposed system shows substantial improvement in both waiting time and elapsed time of jobs with better resource utilization.

关键词： Grid Job scheduler Authentication Elliptic Curve Cryptography digital signature algorithm Priority Finish time Elapsed time Waiting time

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Enhancing an Attack to DSA Schemes 8th

Enhancing an Attack to DSA Schemes

引用

8th International Conference on Algebraic Informatics (CAI)

作者： Adamoudis, Marios Draziotis, Konstantinos A. Poulakis, Dimitrios Aristotle Univ Thessaloniki Dept Math Thessaloniki Greece Aristotle Univ Thessaloniki Dept Informat Thessaloniki Greece

In this paper, we improve the theoretical background of the attacks on the DSA schemes of a previous paper, and we present some new more practical attacks.

ISBN: (纸本)9783030213633;9783030213626

In this paper, we improve the theoretical background of the attacks on the DSA schemes of a previous paper, and we present some new more practical attacks.

关键词： Public key cryptography digital signature algorithm Elliptic Curve digital signature algorithm Closest Vector Problem LLL algorithm BKZ algorithm Babai's Nearest Plane algorithm

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Enhancing Manet Security Using Hybrid Techniques in Key Generation Mechanism

Enhancing Manet Security Using Hybrid Techniques in Key Gene...

引用

International Conference on Electronics and Communication Systems (ICECS)

作者： Dhanalakshmi, K. S. Kannapiran, B. Divya, A. Kalasalingam Univ Dept ECE Srivilliputhur India Kalasalingam Univ Dept EIE Dept Srivilliputhur India

ISBN: (纸本)9781479966387

Mobile Ad Hoc Network is a infrastructure-less, self-configuring wireless network. These unique characteristics makes it ideal for mission critical applications including Personal Area Networking (PAN), military use, Crisis-management applications such as battle field relief and remote explorations. Due to the de-centralized infrastructure, MANET becomes vulnerable to both passive and active attacks. To address such security challenges, Intrusion Detection System (IDS) is required to detect the malicious attackers before they can accomplish any significant damages to the network. The IDS includes End-to-end feedbacks, Monitoring in promiscuous mode (watchdog), Activity-based overhearing and Reputation based solution. The proposed mechanism, states the adoption of hybrid cryptography techniques to reduce the network overhead, this also solves significant problems of Watchdog mechanism such as receiver collision, partial dropping, limited transmission power and false misbehavior report. A new key exchange mechanism called Instant Key Generation Mechanism (IKGM) is introduced here to eliminate the predistributed keys requirement. Here the key encryption is done at every node to increase the performances against contemporary approaches. It also provides highest malicious behaviour detection rate which does not affect the significant performances of the network.

关键词： Intrusion Detection System digital signature algorithm AACK IKGM

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Acknowledgement security for MANET using EAACK 1

Acknowledgement security for MANET using EAACK

引用

International Conference on Green Computing and Internet of Things (ICGCIoT)

作者： Suvarna, Deore Pallavi, Erande Sumitra, Lahane Chhaya, Dhatrak Korade, Mahesh Savitribai Phule Pune Univ Dept Comp Engn Sandip Inst Technol & Res Ctr Pune Maharashtra India

ISBN: (纸本)9781467379106

Assembling of wireless mobile equipments which form a network beyond the existing infrastructure is the Mobile Ad-hoc Network. These nodes contracted to communication one another. As nodes from MANET can be connect with one another if and only if all are the nodes are in the corresponding range, if it not then message relay on the neighboring or intermediate nodes between sender and receiver. We have utilized different algorithm such as digital signature and Clustering algorithm for routing information. MANET have ability of self-configuring therefore which used in various application like military used or emergency recovery. MANET requires security while transferring the data for this purpose new Secure IDS designated Enhanced Adaptive Acknowledgement (EAACK) is especially constructed for MANET. Through EAACK beaten the trouble of misleading misbehavior, finite transmission Range and receiver collisions.

关键词： MANET (Mobile Ad-hoc Network) Adaptive Acknowledgement (AACK) Enhanced Adaptive Acknowledgement (EAACK) digital signature Routing algorithm digital signature algorithm CryptographyTechniques

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Implementation of elliptic-curve cryptography on mobile healthcare devices

Implementation of elliptic-curve cryptography on mobile heal...

引用

IEEE International Conference on Networking, Sensing and Control

作者： Malhotra, K. Gardner, S. Patz, R. Univ Glamorgan Fac Adv Technol Ctr Elect Prod Engn Pontypridd CF37 1DL M Glam Wales

ISBN: (纸本)9781424410750

Over the past few years, much research attention has been afforded to the application of remote patient monitoring using embedded mobile devices. However, relatively little research has been done to investigate the security aspects of such scenarios. The present work describes the implementation of a cryptographic algorithm based on Elliptic curves on an embedded mobile device useful for healthcare purposes. A Personal digital Assistant (PDA) has been chosen to be the hardware platform for the implementation as it is particularly suitable for remote patient monitoring applications. The motivation for this paper was to formulate a secure protocol which comprises of signature, Encryption and Authentication (SEA) as a combined ingredient of secure remote patient monitoring application using mobile devices. This needed to be easy to use and computationally efficient in order to be acceptable to both clinicians and patients and the results indicate a positive outcome.

关键词： mobile device security cryptographic techniques elliptical curve cryptography digital signature algorithm remote patient monitoring applications

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Efficient and Side-Channel Resistant Design of High-Security Ed448 on ARM Cortex-M4

Efficient and Side-Channel Resistant Design of High-Security...

引用

IEEE International Symposium on Hardware Oriented Security and Trust (HOST)

作者： Anastasova, Mila Bisheh-Niasar, Mojtaba Seo, Hwajeong Azarderakhsh, Reza Kermani, Mehran Mozaffari Florida Atlantic Univ Dept Comp & Elect Engn & Comp Sci Boca Raton FL 33431 USA Florida Atlantic Univ I SENSE Boca Raton FL 33431 USA Hansung Univ Div IT Convergence Engn Seoul 136792 South Korea Univ S Florida Dept Comp Engn & Sci Tampa FL 33620 USA

ISBN: (数字)9781665485326

ISBN: (纸本)9781665485326

The demand for classical cryptography schemes continues to increase due to the exhaustive studies on their security. Thus, constant improvement of liming, power consumption, and memory requirements are needed for the most widely used classical Elliptic Curve Cryptography (ECC) primitives, suiting high- as well as low-end devices. In this work, we present the first implementation of the Edwards Curve digital signature algorithm (EdDSA) based on the Ed448 targeting the ARM Cortex-M4-based STM32F407VG microcontroller, which forms a large part of the Internet of Things (IoT) world. We report timing and memory consumption results based on portable C and target-specific hand-crafted assembly code implementations of the low-level finite filed arithmetics. We optimize the high-level group operations by implementing the efficient scalar multiplication over the Ed448 isogenous map to reduce the computation complexity. Furthermore, we provide a side-channel analysis (SCA) and fault attack protected design by developing point randomization, scalar blinding techniques, and repeated signature, and evaluate the performance. Our optimized architecture performs a signature and verification in 39.88ms and 51.54ms, respectively, where SCA protection can he achieved at less than 6.4% cost of performance overhead.

关键词： ARM Cortex-M4 digital signature algorithm Ed448 elliptic curve cryptography side-channel

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A Trusted Multi-hop Broadcasting Protocol for Vehicular Ad Hoc Networks

A Trusted Multi-hop Broadcasting Protocol for Vehicular Ad H...

引用

1st International Conference on Connected Vehicles and Expo

作者： Tian, Daxin Wang, Yunpeng Liu, He Zhang, Xianghong Beihang Univ Beijing Key Lab Cooperat Vehicle Infrastruct Syst Beijing 100191 Peoples R China CPLA Gen Logist Dept Quartermaster Equipment Inst Beijing 100010 Peoples R China

ISBN: (纸本)9780769549002;9781467347051

The vehicular ad hoc networks (VANETs) are characterized by high mobility of nodes, which resulting in frequent and fast changes in the network topologies. To make sure the messages are received efficiently and reliably, particularly for safety applications, broadcasting is the most natural and promising approach. Besides the efficiency, security is another important issue for VANETs. Because the open nature of VANETs make it simple for malicious users to disrupt the system or lead to accidents. In this paper, we propose a PKI-based Multi-hop Broadcasting Protocol (PMBP), which aims at providing authenticated, integrated, non-repudiated vehicular communication. The authentication scheme is based on the Elliptic Curve digital signature algorithm (ECDSA) method. To provide an efficient trusted broadcasting scheme, two strategies are adopted: only the message originator signs the message;one message only be rebroadcasted once by each vehicle. Experimental results prove that this protocol is efficient enough to support safety related vehicular applications.

关键词： broadcasting Spread spectrum communication protocols V2V SAFETY APPLICATION Accidents PGRMC2 gene digital signature algorithm

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Design and Implementation of Electronic Document Signing and Depositing System Based on Blockchain 24

Design and Implementation of Electronic Document Signing and...

引用

3rd International Conference on Cryptography, Network Security and Communication Technology (CNSCT)

作者： Ji, Quan Wu, Zhongcheng Xie, Liyang Li, Yong Zhang, Jun Anhui Univ Inst Phys Sci & Informat Technol Hefei Anhui Peoples R China Chinese Acad Sci HFIPS High Field Magnet Lab Hefei 230031 Peoples R China High Magnet Field Lab Anhui Prov Hefei 230031 Peoples R China Univ Sci & Technol China Hefei 230031 Peoples R China

ISBN: (纸本)9798400716959

To prevent tampering with documents before they are deposited into the blockchain, a system called Sign Storage Evidence Chain (SSEChain) has been designed and implemented. SSEChain is a blockchain-based electronic document signing and depositing system. The RSA digital signature algorithm is used to protect document during the document reviewing and signing process. This prevents tampering of the signed document and ensures its authenticity from the time of application until it is uploaded to the chain. The RSA algorithm's encryption process can be optimized by using multiple prime numbers with N substitutions n, while the decryption process can be optimized using the Chinese remainder theorem. The combination of Fisco Bcos blockchain architecture and IPFS interstellar document system is used to achieve document deposit storage. This method guarantees the authenticity of the document from the moment of request until it is deposited on the blockchain. The experimental results demonstrate that the blockchain network can achieve a throughput of up to 680 transactions per second. The improved RSA algorithm can shorten the time between signature and verification.

关键词： RSA algorithm digital signature algorithm documents depositing document signing

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