METHOD AND SYSTEM FOR MANAGING SAFETY OF INFORMATION DISTRIBUTION

PROBLEM TO BE SOLVED: To provide a method and a system for managing safety of information distribution with which contents can be safely delivered and utilized in the information distribution in electronic commercial transaction. SOLUTION: A center 1 having an enciphered distribution sales function,...

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Bibliographic Details
Main Authors KAWAKUBO HIDEJI, YAMANAKA KIYOSHI, MATSUMOTO HIROYUKI, TAKADA SHUNSUKE
Format Patent
LanguageEnglish
Published 08.06.1999
Edition6
Subjects
ADVERTISING
CALCULATING
CODING OR CIPHERING APPARATUS FOR CRYPTOGRAPHIC OR OTHERPURPOSES INVOLVING THE NEED FOR SECRECY
COMPUTING
CONVEYING
COUNTING
CRYPTOGRAPHY
DATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FORADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORYOR FORECASTING PURPOSES
DISPLAY
EDUCATION
ELECTRIC DIGITAL DATA PROCESSING
HANDLING THIN OR FILAMENTARY MATERIAL
PACKING
PERFORMING OPERATIONS
PHYSICS
PNEUMATIC TUBE CONVEYORS
SEALS
SHOP CONVEYOR SYSTEMS
STORING
SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE,COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTINGPURPOSES, NOT OTHERWISE PROVIDED FOR
TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING ORTIPPING
TRANSPORTING
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Summary:PROBLEM TO BE SOLVED: To provide a method and a system for managing safety of information distribution with which contents can be safely delivered and utilized in the information distribution in electronic commercial transaction. SOLUTION: A center 1 having an enciphered distribution sales function, advertisement and propaganda function and payment collection settlement function and a user terminal 5' having a control program 4' for controlling an enciphered distribution purchase function, transfer function and drawing-out/ payment enciphering function are mutually connected by an information communication network N, and an external device 6 having a deciphering program 2' for deciphering enciphered sales contents Ke [M], which is transferred from the user terminal 5', with a previously or simultaneously transferred content cryptographic key Kup [Ke] enciphered in advance by operating while being interlocked with the control program 4', electronic wallet 3' for updating, enciphering and storing the payment subtracted remainder, and function for enciphering and storing various kinds of information is separately connected to the user terminal 5'.
Bibliography:Application Number: JP19970322833