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:
Apr. 05, 2022

Filed:

May. 31, 2019
Applicant:

Nxp B.v., Eindhoven, NL;

Inventors:

Marcel Medwed, Graz, AT;

Jan Hoogerbrugge, Helmond, NL;

Ventzislav Nikov, Haasrode, BE;

Asier Goikoetxea Yanci, Glasgow, GB;

Assignee:

NXP B.V, Eindhoven, NL;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 21/60 (2013.01); G06F 17/18 (2006.01); G06F 21/62 (2013.01);
U.S. Cl.
CPC ...
G06F 21/602 (2013.01); G06F 17/18 (2013.01); G06F 21/6218 (2013.01);
Abstract

A chip for securing storage of information includes a manager to access a pointer and a cipher engine to decrypt stored data. The pointer includes a first area and a second area. The first area includes an address indicating a storage location of the data and the second area includes a safety tag. The cipher engine decrypts the data output from the storage location based on a key and the safety tag in the second area of the pointer. These and other operations may be performed based on metadata that indicate probabilities that a correct safety tag was used to decrypt the data. In another embodiment, the manager may be replaced with an L1 cache.


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