Posted: June 15th, 2022

a remote data collector publishes sensing tasks

Design a privacy-preserving crowd sensing system. This technique works in three steps: Step 1: a remote data collector publishes sensing tasks to all cellular customers (e.g., by means of smartphones carried by customers) within the system. A activity incorporates a activity identifier and a activity description.Step 2: the cellular customers who’re thinking about a activity request the collector to assign the duty to them and the collector approves a few of requests.Step three: these cellular customers who’re assigned the duty submit sensing data to the collector.For privateness causes, every consumer doesn’t need the collector to know which tasks she/he has requested and submitted data for.For belief causes, the collector needs to ensure solely licensed customers (i.e., these within the system) can request activity and every consumer can solely request every activity as soon as. Additionally solely the customers assigned a activity can submit data for this activity. Design a protocol to fulfill these objectives, and clearly describe the way it works in every step. Your protocol can have some initialization step earlier than the above Step 1. Right here,collusion between licensed customers and outdoors customers just isn’t thought-about. Additionally, you possibly can assume that no consumer can be compromised and managed by the attacker.

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