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What is Entropy Combination

Chapter 143
Encyclopedia of Information Science and Technology, Fourth Edition
The operation that combines a number of entropy shares into one. The combination is usually achieved by using the exclusive-or (XOR) operator. Entropy combination is an effective defense against adversaries that substitute a random value by a predictable one. The combined entropy is often of higher quality than each individual share.
Published in Chapter:
Cyber Security Protection for Online Gaming Applications
Wenbing Zhao (Cleveland State University, USA)
Copyright: © 2018 |Pages: 9
DOI: 10.4018/978-1-5225-2255-3.ch143
Abstract
In this article, we point out the threats to online gaming applications and present two strategies that can be used to build secure and dependable online gaming applications. These strategies not only seek the solution for gathering entropy to seed the PRNG used in such applications, but also intend to eliminate malicious intrusions to protect the seed and to maintain replica consistency. By applying these techniques, the online gaming applications can ensure its service integrity (both the service providers and the innocent players are protected) and guarantee high availability despite the presence of Byzantine faults. Finally, we outline some open research issues in this field.
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Chapter 71
Building Secure and Dependable Online Gaming Applications
It is the operation that combines a number of entropy shares into one. The combination is usually achieved by using the XOR operator. Entropy combination is an effective defense against adversaries that substitute a random value with a predictable one. The combined entropy is often of higher quality than each individual share.
Published in Chapter: Building Secure and Dependable Online Gaming Applications; From: Encyclopedia of Information Science and Technology, Second Edition
Full Text Chapter Download: US $37.50 Add to Cart
Chapter 299
Increasing the Trustworthiness of Online Gaming Applications
The operation that combines a number of entropy shares into one. The combination is usually achieved by using the exclusive-or (XOR) operator. Entropy combination is an effective defense against adversaries that substitute a random value by a predictable one. The combined entropy is often of higher quality than each individual share.
Published in Chapter: Increasing the Trustworthiness of Online Gaming Applications; From: Encyclopedia of Information Science and Technology, Third Edition
Full Text Chapter Download: US $37.50 Add to Cart
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