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Books > Professional & Technical > Electronics & communications engineering > Electronics engineering > Applied optics
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Secure Sensor Cloud (Paperback)
Loot Price: R1,488
Discovery Miles 14 880
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Secure Sensor Cloud (Paperback)
Series: Synthesis Lectures on Algorithms and Software in Engineering
Expected to ship within 10 - 15 working days
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The sensor cloud is a new model of computing paradigm for Wireless
Sensor Networks (WSNs), which facilitates resource sharing and
provides a platform to integrate different sensor networks where
multiple users can build their own sensing applications at the same
time. It enables a multi-user on-demand sensory system, where
computing, sensing, and wireless network resources are shared among
applications. Therefore, it has inherent challenges for providing
security and privacy across the sensor cloud infrastructure. With
the integration of WSNs with different ownerships, and users
running a variety of applications including their own code, there
is a need for a risk assessment mechanism to estimate the
likelihood and impact of attacks on the life of the network. The
data being generated by the wireless sensors in a sensor cloud need
to be protected against adversaries, which may be outsiders as well
as insiders. Similarly, the code disseminated to the sensors within
the sensor cloud needs to be protected against inside and outside
adversaries. Moreover, since the wireless sensors cannot support
complex and energy-intensive measures, the lightweight schemes for
integrity, security, and privacy of the data have to be redesigned.
The book starts with the motivation and architecture discussion of
a sensor cloud. Due to the integration of multiple WSNs running
user-owned applications and code, the possibility of attacks is
more likely. Thus, next, we discuss a risk assessment mechanism to
estimate the likelihood and impact of attacks on these WSNs in a
sensor cloud using a framework that allows the security
administrator to better understand the threats present and take
necessary actions. Then, we discuss integrity and privacy
preserving data aggregation in a sensor cloud as it becomes harder
to protect data in this environment. Integrity of data can be
compromised as it becomes easier for an attacker to inject false
data in a sensor cloud, and due to hop by hop nature, privacy of
data could be leaked as well. Next, the book discusses a
fine-grained access control scheme which works on the secure
aggregated data in a sensor cloud. This scheme uses Attribute Based
Encryption (ABE) to achieve the objective. Furthermore, to securely
and efficiently disseminate application code in sensor cloud, we
present a secure code dissemination algorithm which first reduces
the amount of code to be transmitted from the base station to the
sensor nodes. It then uses Symmetric Proxy Re-encryption along with
Bloom filters and Hash-based Message Authentication Code (HMACs) to
protect the code against eavesdropping and false code injection
attacks.
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