Title:
METHOD TO UPGRADE CONTENT ENCRYPTION
Document Type and Number:
WIPO Patent Application WO/2010/111182
Kind Code:
A3
Abstract:
Generation of secret keys is carried out in a smartcard for use by a receiver device's main processor, or alternatively, decryption processing for selectively encrypted content is carried out in the smartcard itself in order to thwart hacking and pirating of protected video content. This abstract is not to be considered limiting, since other embodiments may deviate from the features described in this abstract.
Inventors:
CANDELORE BRANT L (US)
Application Number:
PCT/US2010/028146
Publication Date:
January 13, 2011
Filing Date:
March 22, 2010
Export Citation:
Assignee:
SONY CORP (JP)
SONY ELECTRONICS INC (US)
CANDELORE BRANT L (US)
SONY ELECTRONICS INC (US)
CANDELORE BRANT L (US)
International Classes:
H04N7/167; H04L9/00
Domestic Patent References:
| WO2003065724A1 | 2003-08-07 | |||
| WO2004008765A1 | 2004-01-22 | |||
| WO2000046994A1 | 2000-08-10 |
Foreign References:
| US6035037A | 2000-03-07 |
Other References:
See also references of EP 2394434A4
Attorney, Agent or Firm:
TOBIN, Christopher, M. (Fishman & Grauer PLLC1233 20th Street, N.W.,Suite 50, Washington DC, US)
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