METHOD AND SYSTEM FOR DIGITAL DATA TRUST SALE, DIGITAL DATA PRODUCER SERVER, DIGITAL DATA SELLER SERVER, BUYER TERMINAL, DIGITAL DATA TRUST SALE PROGRAM, AND STORAGE MEDIUM STORED WITH DIGITAL DATA TRUST SALE PROGRAM

摘要

PROBLEM TO BE SOLVED: To prevent illegal trust sale of digital data. ;SOLUTION: When a seller sells digital data to a buyer, purchase confirmation information is generated and sent to a producer server that a producer has once the purchase processing of the digital data between a buyer terminal that the buyer has and a seller server that the seller has is completed; and the producer server receives and stores the purchase confirmation information from the buyer terminal, finds statistic values of the purchase confirmation information, and compares them with sale information obtained from the seller to confirm differences.;COPYRIGHT: (C)2003,JPO