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Register a new userSecure Mobile Authentication in single sign-on systems
التوثيق الآمن للأجهزة المحمولة في نظام الولوج الموحد
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Added by
Syrian Virtual University رسالة ماجستير
Publication date
2013
fields
Architectural Engineering
and research's language is
English
Created by
Shamra Editor
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يقصد بمصادقة المستخدم التحقق من هوية المستخدم في نظام الكمبيوتر. في سيناريو نموذجي ، يمكن للمستخدمين في المؤسسة الوصول إلى العديد من الخدمات المستقلة ، كل منها يتطلب بيانات اعتماد منفصلة (على سبيل المثال ، اسم المستخدم وكلمة المرور) لمصادقة المستخدم.
User authentication means the verification of a user identity in a computer system. In a typical scenario, users in an organization have access to several independent services, each of them requires separate credentials (e.g. , user name and password) for user authentication.
References used
RSA.Fraud Report: the year in phishing, january 2013
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Mobile Wireless Sensor Network (MWSN) is an emerging technology for attraction of
researchers with its research advantage and various application domains. Due to limited
resources of sensor nodes such as transmission power, communication capability
and
size of memory, data aggregation algorithms are the most practical technique that reduces
large amount of transmission in this network. Security is an important criterion to be
considered because, wireless sensor nodes are deployed in a remote or hostile
environment area that is prone to attacks easily. Therefore, security are essential issue
for MWSN to protect information against attacks.
In this research, we offered an algorithm of secure data aggregation in MWSN based on
pair-wise keys technology and hash function. We studied important parameters such as
execution time, end-to-end delay and number of storied keys. Results showed that
Mobile ad-hoc Networking MANETS is a promising concept to provide flexible, adaptive, and reconfigurable architecture, cost effective solution.In the mobile ad hoc network security is the basic concern for network functions work properly.Routing is t
he corner stone in Mobile ad-hoc Networks, A lot of known vulnerabilities and security threats can be exploited to attack routing messages, so it is important to provide secure routing protocol for MANETs.In this paper, we present a secure extension for ad-hoc On Demand Distance Vector Protocol (AODV). The default routing protocol for MANETs. The proposed protocol ensures that discovery of the route between the nodes is functioning properly and securely, achieving mutual authentication between nodes, routing message integrity, generating a security key of data sent and exchanges it securely to ensure confidentiality and all of these are in one stage. By this we save in wireless band, resource consumption, preventing duplicate of authentication algorithms.
Wireless Sensor Networks (WSNs) are deployed in adversarial environments and
used for critical applications such as battle field surveillance and medical monitoring, then
security weaknesses become a big concern. The severe resource constraints of
WSNs give
rise to the need for resource bound security solutions.
The Implicit Geographic Forwarding Protocol (IGF) is considered stateless, which
means that it does not contain any routing tables and does not depend on the knowledge of
the network topology, or on the presence or absence of the node in WSN. This protocol is
developed to provide a range of mechanisms that increase security in IGF. Thus it keeps
the dynamic connectivity features and provides effective defenses against potential attacks.
These mechanisms supported the security against several attacks as Black hole, Sybil and
Retransmission attacks, but the problem was the inability of mechanisms to deal with
physical attack.
This research deals with a detailed study of the SIGF-2 protocol and proposes an
improvement for it, in which we use the concept of deployment knowledge from random
key pool algorithm of keys management to defend against physical attack . The evaluation
of simulation results, with different parameters, proved that our proposal had improved the
studied protocol.
A new system was designed in portable plants-eater to improve the performance and
productivity and for using it in the harsh environment containing like-cane dense brushes
with high efficiency, quality and lowest power requirement and to harvest so
me crops are
grown in small areas. The new system includes three types: link chain, straight blades
chain and oblique blades chain, each chain is fixed on central aluminum disk. the three
chains were tested on tensile, the results were satisfactory. The cutters was tested in the
field on four types of stalk Wheat, Yellow Maize, Sorghum Helpenese and imperata
cylindrical. Cutting force, productivity, fuel consumption, power requirement was
calculated with deferent rotation speeds. The straight blades chain has the best cutting
quality and lowest energy requirement on maize and sorghum halepense, the oblique
blades chain was better on wheat and imperata cylindrical. The greatest values of energy
requirement and cutting forces appeared with link chain cutter-head. In general, these
cutter-heads are useable in weed-eater with higher efficiency than the old designs.
With the huge development in the field of data storing and processing as well as the
impending development of the internet, accessing information and resources is
becoming faster, cheaper and more available. This has paved the way for a new
develo
pment in the world of computing, networks and operating systems, which is
“Cloud Computing”.
In this project, we present a solution for the problem of secure data sharing in a safe
and dynamic way on Public Cloud. The process is done without re-encrypting the
shared data or re-distributing keys as the case in most solutions so far. Also, include a
step towards the completion of access control UCON, where we studied the ability
for a user to delegate another user OWNER role and sharing data authorization.
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