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:
Aug. 16, 2011
Filed:
Dec. 16, 2005
Applicant:
Adrian Philip Wise, Bracknell, GB;
Inventor:
Adrian Philip Wise, Bracknell, GB;
Assignee:
LSI Corporation, Milpitas, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 9/28 (2006.01); G06F 21/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for protecting data between a circuit and a memory is disclosed. The method generally includes the steps of (A) generating a particular address among a plurality of addresses for accessing a particular area among a plurality of areas in the memory, (B) determining a particular key among a plurality of keys associated with the particular area, (C) generating a cipher stream from both the particular address and the particular key and (D) modifying a data item with the cipher stream such that the data item is encrypted during a transfer between the circuit and the memory.