The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 31, 2013
Filed:
Jun. 01, 2012
Jun-young Son, Daegu, KR;
Yun-koo Lee, Daejeon, KR;
Sang-woon Yang, Daejeon, KR;
Bong-soo Lee, Daejeon, KR;
Jun-Young Son, Daegu, KR;
Yun-Koo Lee, Daejeon, KR;
Sang-Woon Yang, Daejeon, KR;
Bong-Soo Lee, Daejeon, KR;
Electronics and Telecommunications Research Institute, Daejeon, KR;
Abstract
An apparatus for protecting against external attacks for a processor based on an ARM core and a method using the same are provided. A method for protecting against external attacks for a processor based on an ARM core in accordance with an embodiment of the present invention includes: setting up a register using a reset handler, which is executed first within a boot image; generating a control signal for protecting against external attacks using any one of an external debug request signal and an output signal of the register; and blocking a JTAG interface used for JTAG communication with the processor based on the ARM core according to the control signal for protecting against external attacks.