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.

Date of Patent:
Sep. 29, 2020

Filed:

Nov. 16, 2018
Applicant:

Trustonic Limited, Cambridge, GB;

Inventors:

Chris Loreskar, Cambridge, GB;

Nicholas Schutt, Cambridge, GB;

Thomas Nyman, Cambridge, GB;

Assignee:

Trustonic Limited, Cambridge, GB;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 12/10 (2016.01); G06F 12/14 (2006.01); G06F 21/57 (2013.01);
U.S. Cl.
CPC ...
G06F 12/10 (2013.01); G06F 12/14 (2013.01); G06F 12/1408 (2013.01); G06F 21/575 (2013.01); G06F 2212/1041 (2013.01); G06F 2212/1052 (2013.01);
Abstract

A method is provided for installing or updating software on an electronic devicecomprising processing circuitryand memory access circuitryto control access to at least one memory unitin response to physically-addressed memory access requests issued by the processing circuitry specifying physical addresses from a physical address space. The method comprises performing an address layout varying process comprising: obtaining at least one seed value; in dependence on the at least one seed value, selecting one of a plurality of software address layouts for code or data associated with the software, each software address layout corresponding to a different layout of the code or data in the physical address space; and triggering the electronic device to write the code or data associated with the software to locations of said at least one memory unit corresponding to the selected software address layout.


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