Data processing: financial – business practice – management – or co – Business processing using cryptography – Usage protection of distributed data files
Reexamination Certificate
2011-03-29
2011-03-29
Reagan, James A (Department: 3621)
Data processing: financial, business practice, management, or co
Business processing using cryptography
Usage protection of distributed data files
C705S050000, C705S051000, C705S067000, C705S069000, C705S901000, C705S902000, C705S903000, C705S904000, C705S905000, C705S906000, C705S907000, C705S908000, C705S909000, C705S910000, C705S911000, C705S912000, C380S227000, C380S228000, C380S229000, C380S230000
Reexamination Certificate
active
07917440
ABSTRACT:
Metering is enabled through an arrangement in which a metering certificate is communicated to a mobile device using an over-the-air protocol. A metering trigger provides the metering certificate that includes a location to which metering data is posted by the mobile device and a public key of a public-private key pair, or alternatively provides a link to such metering certificate. A metering helper passes the metering certificate to a DRM system on the mobile device which collects metering data associated with the metering ID and uses the public key to encrypt the metering data into a metering challenge. The metering helper posts the metering challenge to the location. The metering service extracts the metering data from the metering challenge using a private key and generates a metering response that is received by the metering helper which prompts the DRM system to reset at least a portion of a data store in which the metering data is stored.
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Lau Kevin
McKelvey Alex
Plette Scott
Strom Clifford P.
Microsoft Corporation
Reagan James A
LandOfFree
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