轻量级非对称身份 品牌安全的新方向

he paper points out that the security of merchandise (food) includes quality security and brand security. The former must be controlled in manufacturers, and the latter needs to be supervised in the market. Brand security is namely the assurance of anti-forgery and tracing sources. The anti-forgery of merchandise is right to prevent its identity from being imitated, and a prerequisite for truly tracing sources. Hence, the anti-forgery and tracing source of merchandise is essentially identity authentication. Traditional watermarks, laser-marks, and telephonic codes are symmetric identities which may be imitated, and thus cannot effectively do anti-forgery. Two dimension codes which may be copied are used for tracing sources, but not for anti-forgery. Radio frequency identities (RFID) and board-fingered identities (BFID) are asymmetric identities. They may be used to thoroughly solve anti-forgery problems, and verified repeatedly. Compared with RFIDs, BFIDs have no chips, no readers, are green and economizing energy, and more suitable for the anti-forgery and tracing sources of merchandise (food, especially consumer commodities), the construction of a united verification platform, and the building of a lightweight internet of things. Therefore, BFIDs represent a new direction in anti-forgery and tracing sources of merchandise.