Information processing device, information storage device, server, information processing system, information processing method and medium for reproduction of encrypted content
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United States of America Patent
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Oct 31, 2017
Issued Date -
N/A
app pub date -
Jun 26, 2013
filing date -
Aug 24, 2012
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An information storage device including one or more processors configured to store an encrypted content and to control access of an external device to the information storage device is provided. The one or more processors are further configured to store a converted title key obtained by converting a title key which is an encryption key to be applied to decryption of the encrypted content, and a user token obtained by converting binding secret information to be applied to calculate the title key from the converted title key. The one or more processors are further configured to allow the external device having a confirmed access right to the information storage device to read out the user token.
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