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. 13, 2016
Filed:
Apr. 25, 2014
Silicon Safe Limited, Cambridge, GB;
William Thomas Harwood, Cambridge, GB;
Roger Alan Gross, Cambridgeshire, GB;
SILICON SAFE LIMITED, Cambridge, GB;
Abstract
A method and apparatus for storing data and performing logical comparisons and other operations on said data, the results of said comparisons and operations reveal only limited information about the stored data. Stored data may include, but is not limited to, confidential information such as passwords, biometric data, credit card data, personal identifiers that uniquely identify an individual, authorization levels where an entity may make a claim to have a certain level of access right or authorization, votes cast in an election, and encryption keys. Control logic within the apparatus prevents direct access to the data store other than via a restricted command interface which prevents data from being revealed. For example, operations such as checking a putative password against a password in the data store is performed by the apparatus which returns a pass or fail, but does not reveal the stored password.
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