Encryption and decryption method and system for digital jewelry identification information

The invention discloses a digital jewelry identification information encryption and decryption method and system. The system comprises an identifier conversion device 1, an identification code generation device 6, a system server 5, a user terminal 7 and jewelry 62 provided with an identification code 61. The method comprises the following steps of: 1, encrypting information; 2, generating an identification code 61; 3, binding the jewelry with a user to form a personalized digital information interface 51 corresponding to the jewelry; 4, scanning and reading the identification code on the jewelry 9 to be verified, comparing the identification code with the previous information for verification, and judging the authenticity of the jewelry; and 5, verifying the specificity of the jewelry 62 if the verification in the step 4 is passed, and opening the personalized digital information interface 51 if the verification is successful. According to the invention, a digitalized interface which can be actually used can