Commodity authenticity verification system and commodity authenticity verification method based on two-dimensional barcode in e-commerce

The invention provides a commodity authenticity verification system and a commodity authenticity verification method based on the two-dimensional barcode in e-commerce. The system comprises an e-commerce platform, a trusted two-dimensional barcode generator and a two-dimensional barcode verifier. The method comprises the following steps: the e-commerce platform generates CBS signature algorithm common parameters; a merchant identity certificate application is submitted; a merchant applies to the e-commerce platform for a commodity signature; the trusted two-dimensional barcode generator generates a commodity two-dimensional barcode and sends the commodity two-dimensional barcode to a user; the user scans the two-dimensional barcode of the commodity through the two-dimensional barcode verifier to verify whether the information in the two-dimensional barcode of the commodity is authentic. According to the invention, the authenticity of purchased commodities is verified through a safe and efficient mechanism, an