Anti Tampering Method for Multi Sensor Privacy Data under Situation Awareness Technology
It is of high external threat to privacy information for multiple sensors to operate in complex environments.In order to effectively achieve multi-sensor privacy data and prevent tampering,this paper proposes a method for preventing the tampering of multi-sensor privacy data under situational awareness technology.The security requirements of privacy data are combined to deter-mine the key sharing strategy and set the range of the privacy data encryption query.Based on the situational awareness results of multi-sensor privacy information environments and privacy data query results,a dynamic anti-tamper mechanism is developed to a-chieve the anti tampering of multi-sensor privacy data.Experimental results show that this method has the characteristic of fast re-sponse in different node environments,with a minimum response time of 1.8 s for third-party tamper prevention mechanisms,and low triggering times for unit blocks.It is verified that this method has a good privacy data tamper prevention performance.