Information processing apparatus and information processing method

Information processing apparatus and information processing method

According to at least one embodiment, an information processing apparatus includes: a content acquiring module configured to receive or store a content according to a first copyright protection method; a filter configured to acquire PIDs from first packets of the content; an analyzing module configu...

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1. Verfasser: HIRAYAMA NORIYUKI
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRIC DIGITAL DATA PROCESSING
ELECTRICITY
PHYSICS
PICTORIAL COMMUNICATION, e.g. TELEVISION
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
WIRELESS COMMUNICATIONS NETWORKS
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creator HIRAYAMA NORIYUKI
description According to at least one embodiment, an information processing apparatus includes: a content acquiring module configured to receive or store a content according to a first copyright protection method; a filter configured to acquire PIDs from first packets of the content; an analyzing module configured to acquire a PAT/PMT from each of the PIDs; a generating module configured to generate a PMT based on the PAT/PMT according to a second copyright protection method; encrypters configured to encrypt PES payloads by managing independent sets of an encryption key and an initial vector for the respective PIDs; and a packet generating module configured to generate second packets based on encryption results.
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subjects CALCULATING
COMPUTING
COUNTING
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRIC DIGITAL DATA PROCESSING
ELECTRICITY
PHYSICS
PICTORIAL COMMUNICATION, e.g. TELEVISION
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
WIRELESS COMMUNICATIONS NETWORKS
title Information processing apparatus and information processing method
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