scholarly journals A Real-Time Encryption Algorithm For User Data Preservation In Mobile Computing

Author(s):  
Okah C ◽  
Matthias D ◽  
Nwiabu N
Author(s):  
Qingtao Wu ◽  
Zaihui Cao

: Cloud monitoring technology is an important maintenance and management tool for cloud platforms.Cloud monitoring system is a kind of network monitoring service, monitoring technology and monitoring platform based on Internet. At present, the monitoring system is changed from the local monitoring to cloud monitoring, with the flexibility and convenience improved, but also exposed more security issues. Cloud video may be intercepted or changed in the transmission process. Most of the existing encryption algorithms have defects in real-time and security. Aiming at the current security problems of cloud video surveillance, this paper proposes a new video encryption algorithm based on H.264 standard. By using the advanced FMO mechanism, the related macro blocks can be driven into different Slice. The encryption algorithm proposed in this paper can encrypt the whole video content by encrypting the FMO sub images. The method has high real-time performance, and the encryption process can be executed in parallel with the coding process. The algorithm can also be combined with traditional scrambling algorithm, further improve the video encryption effect. The algorithm selects the encrypted part of the video data, which reducing the amount of data to be encrypted. Thus reducing the computational complexity of the encryption system, with faster encryption speed, improve real-time and security, suitable for transfer through mobile multimedia and wireless multimedia network.


2022 ◽  
Vol 3 (1) ◽  
pp. 1-30
Author(s):  
Nisha Panwar ◽  
Shantanu Sharma ◽  
Guoxi Wang ◽  
Sharad Mehrotra ◽  
Nalini Venkatasubramanian ◽  
...  

Contemporary IoT environments, such as smart buildings, require end-users to trust data-capturing rules published by the systems. There are several reasons why such a trust is misplaced—IoT systems may violate the rules deliberately or IoT devices may transfer user data to a malicious third-party due to cyberattacks, leading to the loss of individuals’ privacy or service integrity. To address such concerns, we propose IoT Notary , a framework to ensure trust in IoT systems and applications. IoT Notary provides secure log sealing on live sensor data to produce a verifiable “proof-of-integrity,” based on which a verifier can attest that captured sensor data adhere to the published data-capturing rules. IoT Notary is an integral part of TIPPERS, a smart space system that has been deployed at the University of California, Irvine to provide various real-time location-based services on the campus. We present extensive experiments over real-time WiFi connectivity data to evaluate IoT Notary , and the results show that IoT Notary imposes nominal overheads. The secure logs only take 21% more storage, while users can verify their one day’s data in less than 2 s even using a resource-limited device.


Author(s):  
Zhaojun Gu ◽  
Baobao Zhang ◽  
Chunbo Liu ◽  
Guangming Zheng ◽  
Jingxian Zhou
Keyword(s):  

2004 ◽  
Vol 69 (1-2) ◽  
pp. 173-181 ◽  
Author(s):  
Sung-Hwa Lim ◽  
J.-H. Kim
Keyword(s):  

Sensors ◽  
2020 ◽  
Vol 20 (3) ◽  
pp. 720 ◽  
Author(s):  
Gonçalo Marques ◽  
Nuno Miranda ◽  
Akash Kumar Bhoi ◽  
Begonya Garcia-Zapirain ◽  
Sofiane Hamrioui ◽  
...  

This paper presents a real-time air quality monitoring system based on Internet of Things. Air quality is particularly relevant for enhanced living environments and well-being. The Environmental Protection Agency and the World Health Organization have acknowledged the material impact of air quality on public health and defined standards and policies to regulate and improve air quality. However, there is a significant need for cost-effective methods to monitor and control air quality which provide modularity, scalability, portability, easy installation and configuration features, and mobile computing technologies integration. The proposed method allows the measuring and mapping of air quality levels considering the spatial-temporal information. This system incorporates a cyber-physical system for data collection and mobile computing software for data consulting. Moreover, this method provides a cost-effective and efficient solution for air quality supervision and can be installed in vehicles to monitor air quality while travelling. The results obtained confirm the implementation of the system and present a relevant contribution to enhanced living environments in smart cities. This supervision solution provides real-time identification of unhealthy behaviours and supports the planning of possible interventions to increase air quality.


2014 ◽  
Vol 962-965 ◽  
pp. 2928-2931 ◽  
Author(s):  
Wang Lei

Abstract.As a pillar industry of the national economy, manufacturing is the centralized embodiment of the international competitiveness. Manufacturing industry in china has developed quickly and gotten lots of achievements in recent years. Nevertheless, compared with the developed countries, we still have great gaps, such as the improper ratio of the light and heavy industry,the lacking ability of market research and technical innovation, especially the out-dated concept of management which hinder the development of the manufacturing industry in our country seriously. Nowadays, the most widely used real-time system of management in manufacturing is the Manufacturing Execution system(MES for short). MES is a kind of production management technology and real-time information system facing manufacturing workshop,also is the management information system facing the workshop between the management system at the top and the control system at the bottom. Mobile computing is a kind of new arisen technology at the basis of the rapid development of mobile communication, the Internet, database, distributed computing technology and so on. Mobile computing technology will make the computer or other information intelligent terminal equipments transfer data and share resources in wireless environment.


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