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AUTHENTICATION OF PACKAGED PRODUCTS

  • US 20190367239A1
  • Filed: 05/29/2018
  • Published: 12/05/2019
  • Est. Priority Date: 05/29/2018
  • Status: Active Grant
First Claim
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1. A method for producing an authenticated packaged product, the method comprising:

  • providing on the product a security code encoding security data for the product;

    packing the product in packaging;

    providing a tag carrying encrypted product data on the packaging, the product data comprising the security data;

    storing a decryption key for the encrypted product data at a network server;

    providing on the packaging access data for accessing the decryption key at the network server;

    reading, using a verifier computer having reader apparatus operatively associated therewith, the encrypted product data from the tag, wherein the product data includes a unique product identifier for the product;

    receiving the security code from the product and decoding the security code to obtain the security data for the product;

    receiving the access data and communicating with the network server to obtain the decryption key;

    decrypting the encrypted product data using the decryption key to obtain decrypted security data;

    calculating a hash of the decrypted product identifier and sending the hash to the network server for storage at the server of use data, comprising the hash with the decryption key;

    receiving from the server with the decryption key any use data stored with that key;

    checking whether the hash of the decrypted product identifier matches a hash in the use data; and

    verifying that the decrypted security data matches the security data for the product.

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