Information processing apparatus and program product
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Oct 11, 2016
Grant Date -
Jul 30, 2015
app pub date -
Apr 7, 2015
filing date -
Mar 31, 2011
priority date (Note) -
In Force
status (Latency Note)
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Abstract
According to one embodiment, an information processing apparatus, which is connected to an external apparatus, includes a device key storage unit, a creating unit, a calculating unit, a communication unit, and a key calculating unit. The device key storage unit stores therein a device key. The creating unit creates a media key from the device key and a media key block. The calculating unit calculates first output information on the basis of first inherent information inherent to the information processing apparatus and public information. The communication unit transmits the first output information to the external apparatus and receives second output information calculated by the external apparatus from the external apparatus. The key calculating unit calculates a shared key shared between the information processing apparatus and the external apparatus on the basis of the media key, the first inherent information, and the second output information.
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