Patent ID: 9615116
Date: 2017-04-04
CPC Classifications: H04L,H04N

Claim:
1. A method for securely distributing content, comprising: generating, at a server, a protected document package (PDP), said PDP including encrypted content, and a Publisher Key (PK) associated with said encrypted content; said PK enabling decryption of said encrypted content for presentation via a Limited Capability Viewer (LCV) of an authorized user device, said authorized user device comprising a user device having a Content Consumer License (CCL) compatible with the PK to enable thereby presentation via said LCV of locally stored encrypted content from said PDP, said PDP including software instructions which, when executed by a processor at a proposed authorized user device, cause said proposed authorized user device to generate a Content Consumer License Request (CCLR) identifying said PK; propagating the PDP toward at least one authorized or proposed authorized user device; receiving from a proposed authorized user device having said PDP a CCLR identifying said PK; and propagating a CCL compatible with the PK toward said proposed authorized user device if said CCLR is valid.