Dynamic Network Data Protection Algorithm Using Differential Privacy in Internet of Things

2019 ◽  
Author(s):  
Songyan Li ◽  
Kang Dong ◽  
Zhaobin Liu ◽  
Zhiyang Li
Keyword(s):  
Internet Of Things ◽  
Data Protection ◽  
Differential Privacy ◽  
Dynamic Network ◽  
Network Data

scholarly journals DynaPro: Dynamic Wireless Sensor Network Data Protection Algorithm in IoT via Differential Privacy

IEEE Access ◽  
2019 ◽  
Vol 7 ◽  
pp. 167754-167765
Author(s):  
SongYan Li ◽  
Zhaobin Liu ◽  
Zhiyi Huang ◽  
Haoze Lyu ◽  
Zhiyang Li ◽  
...  
Keyword(s):  
Wireless Sensor Network ◽  
Sensor Network ◽  
Data Protection ◽  
Differential Privacy ◽  
Wireless Sensor ◽  
Network Data

scholarly journals A Study on the Optimization of Blockchain Hashing Algorithm Based on PRCA

2020 ◽  
Vol 2020 ◽  
pp. 1-12
Author(s):  
Jinhua Fu ◽  
Sihai Qiao ◽  
Yongzhong Huang ◽  
Xueming Si ◽  
Bin Li ◽  
...  
Keyword(s):  
Supply Chain ◽  
Internet Of Things ◽  
Data Transmission ◽  
Reconfigurable Computing ◽  
Hash Function ◽  
Network Data ◽  
Supply Chain Finance ◽  
Hash Algorithm ◽  
Hashing Function ◽  
Hashing Algorithm

Blockchain is widely used in encrypted currency, Internet of Things (IoT), supply chain finance, data sharing, and other fields. However, there are security problems in blockchains to varying degrees. As an important component of blockchain, hash function has relatively low computational efficiency. Therefore, this paper proposes a new scheme to optimize the blockchain hashing algorithm based on PRCA (Proactive Reconfigurable Computing Architecture). In order to improve the calculation performance of hashing function, the paper realizes the pipeline hashing algorithm and optimizes the efficiency of communication facilities and network data transmission by combining blockchains with mimic computers. Meanwhile, to ensure the security of data information, this paper chooses lightweight hashing algorithm to do multiple hashing and transforms the hash algorithm structure as well. The experimental results show that the scheme given in the paper not only improves the security of blockchains but also improves the efficiency of data processing.

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