System for publishing content on a portable digital storage medium
First Claim
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, 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;
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;
decrypting at least a portion of the first unit of the creative content by employing the public key using a public key/private key decryption algorithm;
decrypting at least a 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.
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Abstract
In a method of publishing creative content to at least one local digital display device, a first unit of the creative content is stored on a first portable digital storage medium in an encrypted format. The digital replication is encrypted with a selected one of a plurality of private encryption keys. The first portable digital storage medium is transferred to the local digital display device. A preselected public key is entered into the local digital display device. The preselected public key corresponds to the selected one of the plurality of private encryption keys. At least a portion of the first unit of the creative content is decrypted by employing the public encryption key using a public key/private key decryption algorithm. The portion of the creative content is displayed on the local digital display device.
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Citations
9 Claims
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1. A method of publishing creative content to at least one local digital display device, comprising the steps of:
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storing a first unit of the creative content on a first portable digital storage medium in an encrypted format, 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; 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; decrypting at least a portion of the first unit of the creative content by employing the public key using a public key/private key decryption algorithm; decrypting at least a 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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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Specification