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:
Jul. 15, 2025

Filed:

Dec. 18, 2020
Applicant:

Barclays Execution Services Limited, London, GB;

Inventor:

George French, London, GB;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 9/06 (2006.01);
U.S. Cl.
CPC ...
H04L 9/0637 (2013.01); H04L 9/0643 (2013.01); H04L 9/065 (2013.01);
Abstract

This disclosure relates to a computer-implemented method, a data processing apparatus, a computer program, and a computer-readable storage medium for processing encrypted data. There is provided a computer-implemented method for processing encrypted data, comprising receiving a swap key, wherein the swap key is the product of an exclusive OR operation performed on a first key and a second key; receiving a first ciphertext, wherein the first ciphertext is encrypted with the first key and not encrypted with the second key; and performing an exclusive OR operation on the swap key and the first ciphertext to produce second ciphertext, such that the second ciphertext is encrypted with the second key and not encrypted with the first key.


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