Data providing system, device, and method

Details Data providing system, device, and method Data providing system, device, and method

2006-07-04

2006-07-04

Sheikh, Ayaz (Department: 2131)

Electrical computers and digital processing systems: support

Data processing protection using cryptography

By stored data protection

C713S189000, C713S155000, C713S156000, C713S157000, C713S158000, C713S176000, C713S165000, C380S277000, C380S278000, C380S279000, C380S281000, C380S282000, C380S283000, C380S284000, C380S285000, C380S286000, C705S051000, C705S052000, C705S053000, C705S054000, C705S055000, C705S056000, C705S057000, C705S071000, C705S050000, C705S058000, C705S059000, C726S026000, C726S027000, C726S028000, C726S029000, C726S030000, C726S002000, C726S004000, C726S005000, C726S006000, C726S007000

Reexamination Certificate

active

07073073

ABSTRACT:
A content provider101distributes a secure container104storing content data encrypted using content key data, content key data encrypted using distribution key data, and encrypted usage control policy data indicating the handling of the content data to a SAM1051of a user home network103etc. The SAM1051etc. decrypts the content data and usage control policy data stored in the secure container104and determines the purchase mode and usage mode and other handling of the content data based on said decrypted usage control policy data.

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