Information processing apparatus, server apparatus, and computer program product
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Jan 23, 2018
Issued Date -
N/A
app pub date -
Dec 1, 2014
filing date -
Jul 19, 2011
priority date (Note) -
In Force
status (Latency Note)
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Abstract
In an embodiment, an information processing apparatus is connected to external apparatuses. The information processing apparatus includes:
- a device key storage unit configured to store a device key; a shared key storage unit configured to store one or more shared keys shared by the external apparatuses; a key generating unit configured to generate a media key from the device key and media key blocks; and an updating unit configured to generate the shared keys as generated shared keys, which is updated, based upon the media key and the shared keys stored in the shared key storage unit, and to store the generated shared keys into the shared key storage unit.
First Claim
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International Classification(s)
- 2014 Application Filing Year
- H04L Class
- 29135 Applications Filed
- 23333 Patents Issued To-Date
- 80.09 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- H04L Class
- 0 % this patent is cited more than
- 7 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Jul 23, 2025 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jul 23, 2029 |
