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:
Feb. 11, 2025
Filed:
Oct. 04, 2023
Applicant:
Texas Instruments Incorporated, Dallas, TX (US);
Inventors:
Amritpal S. Mundra, Allen, TX (US);
William C. Wallace, Richardson, TX (US);
Assignee:
TEXAS INSTRUMENTS INCORPORATED, Dallas, TX (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G06F 21/79 (2013.01); G06F 12/14 (2006.01); G06F 21/60 (2013.01); G06F 21/62 (2013.01);
U.S. Cl.
CPC ...
G06F 21/79 (2013.01); G06F 12/1408 (2013.01); G06F 21/606 (2013.01); G06F 21/62 (2013.01); G06F 2221/2107 (2013.01); G06F 2221/2125 (2013.01);
Abstract
A real time, on-the-fly data encryption system is operable to encrypt and decrypt data flow between a secure processor and an unsecure external memory system. Multiple memory segments are supported, each with its own separate encryption capability, or no encryption at all. Data integrity is ensured by hardware protection from code attempting to access data across memory segment boundaries. Protection is also provided against dictionary attacks by monitoring multiple access attempts to the same memory location.