Computer Science ›› 2016, Vol. 43 ›› Issue (Z11): 520-522.doi: 10.11896/j.issn.1002-137X.2016.11A.117

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Data Exchange Based on QR Code in Physically Isolated Internal and External Network Environment

HAN Lin, ZHANG Chun-hai and XU Jian-liang   

  • Online:2018-12-01 Published:2018-12-01

Abstract: To solve the problem of high confidentiality work data or data exchange problems in internal and external network physical isolation environmen caused by other reasons,and through the research of QR code generation and the parsing process,We found that QR code has several characteristics,such as it can be used to carry data,low cost and it can follow the characteristics of mobile carrier.Then we raised the point of view that the QR code can be used to solve the problem of data exchange of some special cases.Because a single QR code can carry limited data,we put forward using the Protocol Buffer format and LZMA compression algorithm to simplify and compress the data that QR code transmits.And we used the combination of multiple QR code to solve the problem of large amounts of data.This paper also expounded the application prospect of data exchange based on QR code.

Key words: QR code,Physical isolation,Data exchange,ZXing,Protocol Buffer,LZMA

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