DIGITAL BROADCAST RECEIVER AND BOOTING METHOD OF DIGITAL BROADCAST RECEIVER

Title:

DIGITAL BROADCAST RECEIVER AND BOOTING METHOD OF DIGITAL BROADCAST RECEIVER

Document Type and Number:

WIPO Patent Application WO/2011/068392

Kind Code:

A3

Abstract:

A digital broadcast receiver and a booting method of the digital broadcast receiver are disclosed herein. A method of secure booting of a system in a digital broadcast receiver comprises aligning a plurality of interleaved portions to generate a digital signature, respectively, with an entire firmware image, generating a digital signature of each interleaved portion, selecting a specific interleaved portion, generating a first message digest to read a region of the selected interleaved portion in the entire firmware image and a second message digest from the digital signature of the selected interleaved portion and verifying the firmware image based on the first and second message digest and booting the system in the digital broadcast receiver.

Inventors:

CHA SANG HOON (KR)
KIM BONG SEOK (KR)
JEONG CHAN GYUN (KR)
KIM IN MOON (KR)

Application Number:

PCT/KR2010/008677

Publication Date:

November 10, 2011

Filing Date:

December 06, 2010

Export Citation:

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Assignee:

LG ELECTRONICS INC (KR)
CHA SANG HOON (KR)
KIM BONG SEOK (KR)
JEONG CHAN GYUN (KR)
KIM IN MOON (KR)

International Classes:

H04N5/44

Foreign References:

US20080098418A1	2008-04-24
KR20090093708A	2009-09-02
KR20110058448A	2011-06-01

Other References: