METHOD FOR DELIVERING INFORMATION, METHOD FOR UTILIZING INFORMATION, THEIR EXECUTION DEVICE AND PROCESSING PROGRAM, AND RECORDING MEDIUM

PROBLEM TO BE SOLVED: To provide technology capable of efficiently delivering a key for deciphering ciphered contents to plural information using terminals. SOLUTION: The information delivering method for delivering contents from an information providing terminal to plural information using terminal...

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Bibliographische Detailangaben
Hauptverfasser:	IORI SACHIKO, NAKAZATO KANA, MIYAKE NOBUHISA
Format:	Patent
Sprache:	eng
Schlagworte:	BROADCAST COMMUNICATION ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide technology capable of efficiently delivering a key for deciphering ciphered contents to plural information using terminals. SOLUTION: The information delivering method for delivering contents from an information providing terminal to plural information using terminals by a multicast state is provided with a step for generating a key for ciphering or deciphering contents, a step for generating ciphered key data obtained by ciphering the key, a step for delivering the generated ciphered key data to respective information using terminals by the multicast state, a step for ciphering the contents by the generated key, and a step for delivering the ciphered contents to respective information using terminals by the multicast state.