Apparatus for secure digital content distribution and...

Details Apparatus for secure digital content distribution and... Apparatus for secure digital content distribution and...

2011-04-26

2011-04-26

Elisca, Pierre E (Department: 3718)

Data processing: financial, business practice, management, or co

Business processing using cryptography

C705S051000, C705S057000, C713S193000

Reexamination Certificate

active

07933838

ABSTRACT:
A method of transmitting a first digital content file from a first sender device configured with a key library to a receiver device configured with a receiver identity and a first sender-receiver key is disclosed. The method includes identifying the first sender-receiver key within the key library based on the receiver identity. The method also includes encrypting a first digital message, the first digital message including the first digital content file and a code to derive a second sender-receiver key, with the first sender-receiver key. The method further includes transmitting the first digital message to the receiver device; decrypting the first digital message with the first sender-receiver key; deriving the second sender-receiver key based on the code; and replacing the first sender-receiver key with the second sender-receiver key.

REFERENCES:
patent: 6983371 (2006-01-01), Hurtado et al.
patent: 7590866 (2009-09-01), Hurtado et al.
patent: 2002/0099663 (2002-07-01), Yoshino et al.
patent: 2006/0095792 (2006-05-01), Hurtado et al.
“International Preliminary Report on Patentability”, mailed Nov. 29, 2007, for Intl App No. PCT/US2006/018390; Filed on May 26, 2006; Applicant: Anames, Inc.
IPCORES, AES1, “Ultra-Compact Advanced Encryption Standard Core”, Apr. 2005, pp. 1-6, http://www.ipcores.com/.

Affiliated with

Also associated with

Rating

Apparatus for secure digital content distribution and... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Apparatus for secure digital content distribution and..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Apparatus for secure digital content distribution and... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2627533