Telematics and Computing: 9th International Congress, WITCOM 2020, Puerto Vallarta, Mexico, November 2–6, 2020, Proceedings

Preface
Organization
Contents
Mobile Internet Security
Aggregate Authentication for Massive Internet of Things in 5G Networks
	1 Introduction
	2 Overview of Aggregate Authentication Protocol for Massive IoT
	3 Analysis of the Existing Aggregate Signature Schemes for Massive IoT Devices
	4 Research Challenges
	5 Conclusions
	References
EAP-Based Bootstrapping for Secondary Service Authentication to Integrate IoT into 5G Networks
	1 Introduction
	2 Related Work
	3 Proposed Architecture
	4 Interactions Description
	5 Use Cases in IoT and 5G Networks
	6 Conclusion
	References
LoRaWAN Network Server Session Keys Establish Method with the Assistance of Join Server
	1 Introduction
	2 Preliminary
		2.1 LoRaWAN Architecture and Its Security Scheme
		2.2 Related Studies
	3 Secure Communication Method for LoRaWAN Servers
		3.1 Key Generation Procedure
		3.2 Key Renew Procedure
	4 Security Analysis
	5 Conclusion and Future Studies
	References
Role Mining: Survey and Suggestion on Role Mining in Access Control
	1 Introduction
	2 Status of Development of Role Mining
		2.1 Researches on Extended Elements of Role Mining Mechanism
		2.2 Improvement of Role Mining Mechanism
	3 Performance Evaluation Metrics of Role Mining Mechanisms
	4 Open Issue and Challenge
		4.1 Minimizing the Role Set Problem
		4.2 RBAC Migration Cost Problem
		4.3 Role Mining Problem with Semantic Information
		4.4 Role Mining Results Evaluation Criteria
	5 Conclusion
	References
Mobile Application and Security
Adaptive Touch Interface: Application for Mobile Internet Security
	1 Introduction
	2 State of the Art: Usability Approaches
	3 Adaptation Technique
	4 Implementation
	5 Discussion
	6 Conclusion
	References
Power-Efficient Big.LITTLE Core Assignment Scheme for Task Graph Based Real-Time Smartphone Applications
	1 Introduction
	2 Related Work
	3 System Model
	4 Power Efficient Multi-core Assignment Algorithms
		4.1 Meeting the Deadline of Each Task
		4.2 Meeting the Deadline of the Application
	5 Performance Evaluation
		5.1 Experiment Setup
		5.2 Experiment Result
	6 Discussion of Energy-Aware Security Issues
	7 Conclusion and Future Works
	References
A Hidden File Extraction Scheme Defeating Malware Using Android Dynamic Loading
	1 Introduction
	2 Background
		2.1 Java Reflection
		2.2 Dynamic Analysis
		2.3 Xposed
	3 Related Works
		3.1 APK Reverse Engineering
		3.2 API Hiding Technique
	4 Proposed Scheme and Implementation
		4.1 Dynamic Loading API and Java Reflection
		4.2 Hook with Magisk and EdXposed
		4.3 File Extraction Algorithms
	5 Evaluation
		5.1 Performance Result
	6 Limitation
	7 Conclusion
	References
Reduction of Data Leakage Using Software Streaming
	1 Introduction
	2 Related Work
	3 System Architecture
		3.1 Network Multi-channel for Software Streaming
		3.2 Symbolic Execution
		3.3 Network Scheduling for Software Streaming
	4 Implementation
	5 Future Works
	6 Conclusion
	References
Digital Watermarking for Enriched Video Streams in Edge Computing Architectures Using Chaotic Mixtures and Physical Unclonable Functions
	1 Introduction
	2 State of the Art
	3 A New Authentication Method Based on Digital Watermarking
		3.1 Digital Watermarking
		3.2 Watermark Generation Through Chaotic Mixtures
		3.3 Secret Key Generation Using PUF
	4 Experimental Validation: Simulation Results
	5 Conclusions and Future Works
	References
Vehicular Network Security
Improved Security Schemes for Efficient Traffic Management in Vehicular Ad-Hoc Network
	1 Introduction
	2 Literature Survey
	3 VANET Infrastructure
		3.1 Characteristics and Applications of VANET
		3.2 Implementation Challenges and Security Issues of VANET
	4 Proposed Model: Traffic Congestion (TraCo) Estimation Using Video Image Processing with VANET (VIMPROS-V) Infrastructure
		4.1 Need for Video Image Processing Based Infrastructure in VANET (VIMPROS-V)
		4.2 Infrastructure Decision Scheme for TraCo Estimation
		4.3 Parameter Estimation for TraCo Application Using VIMPROS-V
		4.4 TraCo Estimation Using Fuzzy Logic
		4.5 VIMPROS-V in VANET Security
	5 Simulation and Result Analysis
	6 Conclusion
	References
Analysis of Attack Actions on the Railway Infrastructure Based on the Integrated Model
	1 Introduction
	2 Related Work
		2.1 Semi-natural Modeling
		2.2 Simulation Modeling
		2.3 Analytical Modeling
		2.4 Analytical-Simulation Modeling
	3 Domain Description
	4 Integrated Approach
		4.1 Component-Based Approach
		4.2 Semi-natural Model
		4.3 Simulation Model
		4.4 Analytical Model
		4.5 Attacker Model
	5 Attack Surface
	6 Experiments
	7 Conclusion
	References
Deep Learning Applications
Improved Collaborative Filtering Algorithm Based on Stacked Denoising AutoEncoders
	1 Introduction
	2 Preliminaries
		2.1 Autoencoder
		2.2 Denoising AutoEncoder
		2.3 Stacked Denoising AutoEncoder
	3 The Proposed Algorithm
		3.1 User Similarity Calculation
		3.2 Item Similarity Calculation
		3.3 Prediction of Comprehensive Score
	4 Experiments and Analysis
		4.1 Datasets
		4.2 Evaluation Goal
		4.3 Results Analysis
	5 Conclusion and Future Studies
	References
End-to-End 3D Face Model Reconstruction Method Based on Fusion-CNN
	1 Introduction
	2 Preliminaries
		2.1 3D Morphable Model
		2.2 E2FAR
	3 The Proposed Method
		3.1 Neural Network Architecture
		3.2 Loss Function
	4 Experiment and Analysis
		4.1 Dataset
		4.2 Training Process
		4.3 Performance Analysis
	5 Conclusions and Future Studies
	References
Author Index