Shop apparatus, purchaser apparatus, purchaser identity proving apparatus, and purchaser identity verifying apparatus

Shop apparatus, purchaser apparatus, purchaser identity proving apparatus, and purchaser identity verifying apparatus

  • CN 101,291,222 B
  • Filed: 12/21/2007
  • Issued: 01/28/2015
  • Est. Priority Date: 01/23/2007
  • Status: Active Grant
First Claim
Patent Images

1. one kind is configured to the shop device (20) that carries out communicating with manager devices (10) and buyer'"'"'s device (30), the anonymity that manager devices (10) is configured to pay for the group signature scheme by having tracking function buyer is ordered, buyer'"'"'s device orders items for merchandising by group signature scheme anonymity, and this shop device characteristic is to comprise:

  • Memory device (21), be configured to store anonymous purchase order information, " comprise when receiving from buyer'"'"'s device and order ID, the anonymous purchase order information of buyer'"'"'s identity checking information and group ranking " time, levy security information being generated in the past by buyer'"'"'s device to test corresponding to buyer'"'"'s identity of ordering ID, anonymous purchase order information is stored after buyer'"'"'s identity checking information and group ranking, buyer'"'"'s identity checking information be based on correspond to this order ID and the buyer'"'"'s authentication security information that cannot infer produce, group ranking is based on ordering ID and buyer'"'"'s identity checking information, as for buyer'"'"'s authentication security information, himself can not infer from manager devices and shop device, even and if based on the buyer'"'"'s identity checking information produced on the basis of buyer'"'"'s authentication security information, can not infer from manager devices and shop device,Order ID distribution apparatus (24), be configured to the items for merchandising identifying information that receives based on the buyer'"'"'s device from buyer and issue and order ID, and send this and order ID to buyer'"'"'s device;

    Signature check equipment (25), orders ID when receiving to comprise from buyer'"'"'s device, during the anonymous purchase order information of buyer'"'"'s identity checking information and group ranking, is configured to check group ranking;

    Anonymous purchase order information write device (25), when the result checking group ranking is effective, is configured to write anonymous purchase order information recently to memory device;

    Transmitting apparatus (25) is ordered in anonymity, is configured to send anonymous purchase order information to manager devices;

    Wherein, shop device (20) arranges buyer'"'"'s identity verification unit (60) separately with it, this shop device (20) comprises buyer'"'"'s identity verification unit (29), and this buyer'"'"'s identity verification unit is configured to;

    When receiving the request comprising " the ordering ID of past " and " buyer knows the zero-knowledge proof information of buyer'"'"'s authentication security information of ordering ID corresponding to this " from buyer'"'"'s device, from memory device, retrieve the buyer'"'"'s identity checking information about ordering ID;

    Based on retrieved buyer'"'"'s identity checking information inspection zero-knowledge proof information;

    With when the result checking zero-knowledge proof information is effective, accept this request;

    This shop device is further characterized in that,When receiving the request comprising " one or more in the past order ID " and " be publicly-owned corresponding to one or more buyer'"'"'s authentication security information of ordering ID and buyer understands its zero-knowledge proof information " from buyer'"'"'s device, retrieval facility (29) retrieves the one or more buyer'"'"'s identity checking information ordering ID about one or more from memory device;

    WithZero Knowledge inspection machine is based on one or more retrieved buyer'"'"'s identity checking information inspection zero-knowledge proof information.

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