segment encryption

Research on QR code logistics privacy based on segmented encryption and time-limited control
In view of the disadvantages of the existing logistics system in the market in user privacy protection,a privacy protection scheme based on QR code segmentation encryption,hierarchical authorization and time-limited control was proposed.
Liang Liu, Wenbo Guo, Yuwei Yang, Huaiyu Guo
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Research on QR code logistics privacy based on segmented encryption and time-limited control