Methods and apparatus for secure distribution of program...

Details Methods and apparatus for secure distribution of program... Methods and apparatus for secure distribution of program...

2011-01-04

2011-01-04

Korzuch, William R (Department: 2431)

Cryptography

Video cryptography

Video electric signal modification

C713S155000, C713S156000, C713S173000, C713S175000, C726S010000

Reexamination Certificate

active

07864957

ABSTRACT:
Methods and apparatus in accordance with the present invention are operable to carry out certain functions including: receiving an encrypted program at a processing apparatus; transmitting a machine ID over a network to an administrator; receiving registration data over the network from the administrator in response to the machine ID; transmitting the registration data over the network to a distributor; receiving an encrypted decryption key and an encrypted virtual ID at the processing apparatus over the network from the distributor in response to the registration data; decrypting the encrypted decryption key using the virtual ID, and decrypting the encrypted program using the decryption key; re-encrypting the program using the virtual ID; and storing the encrypted virtual ID and the re-encrypted program in a first storage device.

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