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:
Nov. 24, 2015
Filed:
Oct. 20, 2010
Simon Robert Wiseman, Malvern, GB;
Katherine Jane Hughes, Malvern, GB;
Simon Robert Wiseman, Malvern, GB;
Katherine Jane Hughes, Malvern, GB;
QINETIQ LIMITED, , GB;
Abstract
A data content checker arrangement for protecting communication between a sensitive computer system () and an external computer system (). The arrangement includes a store () connected to input and output sub-systems () and () and to content checkers () and () arranged in parallel. The input and output sub-systems () and () are connected to the external computer system () and the sensitive computer system () respectively. Data received from the external computer system () is encrypted by the input sub-system () using an encryption key to which the content checkers () and () have access. The content checkers () and () can therefore decrypt, read and check the data. If the data passes a content checker's checks, the checker digitally signs and stores it, decrypted, in the store (); if the checks are not passed, the checker discards the data. The output sub-system () delivers data to the sensitive computer system () if the data has received both content checkers' digital signatures indicating acceptability.