基于区块链的分布式无人机数据安全模型

A Data Security Model For Distributed UAV Based On Blockchain

摘要:

针对无人机协同作业信息安全和数据通信问题，提出一种基于区块链的分布式无人机数据安全模型。首先，利用轻量化加密技术重构无人机区块链结构，设计适用于物联网边缘计算场景的分布式区块链网络模型；然后，调用智能合约实现区块链数据的安全共享，并结合信誉评估方案和代理权益证明思想，提出融合共识协议的的工作量证明方法完成数据交易。实验结果表明：作为数据安全共享实例，所提方法可使受攻击的无人机信誉值降至不可信任状态，并在不同攻击模式下的能够有效抑制恶意攻击，执行自适应工作量证明的共识算法的正常节点交易率可提升3-4倍，为无人机数据共享提供了安全保障。

Abstract:

Focusing on the information security and data communication of UAVs cooperative operation, a data security model for distributed UAV based on blockchain is proposed. A blockchain structure of UAV is reconstructed by using lightweight encryption , and a distributed blockchain network model is designed that suitable for the edge computing scenario of the Internet of things. The smart contract to complete the secure sharing of blockchain data is deployed, and a consensus protocol of work proof is proposed to complete the data transaction that combining with the reputation evaluation scheme and the idea of proxy rights and interests proof. Experimental results show that as an example of data security sharing, the BC_ UAV can reduce the reputation value of the attacked UAV to an untrusted and effectively suppress malicious attacks under different attack modes, while the normal node transaction rate of the consensus algorithm with adaptive workload proof can be increased by 3-4 times, so that the model provides a security guarantee for UAV data sharing.