Patent ID: 7545940
Filing Date: 2009-06-09
Classification: G06F,G06Q

Abstract:
1. A method of publishing creative content to at least one local digital display device, comprising the steps of: storing a first unit of the creative content on a first portable digital storage medium in an encrypted format in at least one of a plurality of content libraries selected from an audio library and at least one graphics library, the first unit of the creative content encrypted with a selected one of a plurality of private encryption keys; encrypting a second unit of creative content using the selected private key and storing the second unit of creative content on the first portable digital storage medium in at least one of a plurality of content libraries selected from an audio library and at least one graphics library; transferring the first portable digital storage medium to the local digital display device; entering a preselected public key into the local digital display device, the preselected public key corresponding to the selected private key; retrieving at least a portion of the first unit of the creative content from corresponding audio and graphics libraries and decrypting the retrieved portion of the first unit of the creative content by employing the public key using a public key/private key decryption algorithm; retrieving at least a portion of the second unit of the creative content from corresponding audio and graphics libraries and decrypting the retrieved portion of the second unit of creative content using a second key different from the public key used to decrypt the first unit of creative content; and displaying at least one of the portion of the first unit of creative content and the second unit of creative content on the local digital display device.