Patent ID: 6865555
Filing Date: 2005-03-08
Classification: G06Q,H04L,H04N

Abstract:
1. A computer-implemented method for providing conditional access to digital content, the method comprising: accessing a verification entity via a persistent network connection; establishing a user's identity with the verification entity; receiving a license including a license key from the verification entity in response to the verification entity having stored a license for the user to view the digital content; receiving an encrypted access key from an access key source, the encrypted access key corresponding to a segment of encrypted digital content; decrypting the encrypted access key using the license key; receiving the segment of encrypted digital content from a content source; decrypting the segment of encrypted digital content using the decrypted access key; outputting the decrypted segment of digital content to an output device; and instructing the verification entity to transfer a sublicense comprising at least a portion of the user's license to another person.