On Thursdays the USPTO publishes new pending patent applications. Both of today's Spotlight Applications are assigned to the Electronics and Telecommunications Research Institute (KR), and both deal with aspects of conditional access systems. The first application discloses a DCAS headend system and method for processing error of secure micro client software. The second application discloses techniques fo downloading conditional access images.
20110154098, "DCAS headend system and method for processing error of secure micro client software," assigned to theElectronics and Telecommunications Research Institute (KR).
A Downloadable Conditional Access System (DCAS) headend system and method for processing an error of Secure Micro (SM) Client Software are provided to prevent further transmission of SM Client Software where an error occurred, and to prevent unnecessary traffic due to repeat reinstallation of SM Client Software between an Authentication Proxy (AP) server and a terminal, by changing policy information regarding a transmission of SM Client Software associated with error information, when a number of terminals that transmit the error information exceeds a reference value as a result of analyzing result information regarding a reception and an installation of the SM Client Software received from a terminal corresponding to a DCAS headend system.
20110179444, "Apparatus and method for downloading conditional access images," assigned to the Electronics and Telecommunications Research Institute (KR).
Disclosed herein is a software-based conditional access image download client device. The software-based conditional access image download client device includes a download management module, a conditional access image splitter, and a conditional access image restoration unit. The download management module establishes a secure channel for communicating with a download server device over a network, and communicates with the download server device in compliance with a download protocol. The conditional access image splitter splits a conditional access image, received via the download management module, into a plurality of files, generates a plurality of encrypted files by encrypting the plurality of files, and stores the plurality of encrypted files. The conditional access image restoration unit restores the plurality of encrypted files to the conditional access image when the conditional access image is required.