US Patent No. 9,361,480

ANONYMIZATION OF STREAMING DATA


Patent No. 9,361,480
Issue Date June 07, 2016
Title Anonymization Of Streaming Data
Inventorship Vladimir Y. Kolesnikov, Jersey City, NJ (US)
Gordon T. Wilfong, Florham Park, NJ (US)
Assignee Alcatel Lucent, Boulogne-Billancourt (FR)

Claim of US Patent No. 9,361,480

1. A method, comprising:
receiving a data element of a data stream including a plurality of said data elements (pi, si), where pi comprises an identifying portion of an ith data element and si comprises an associated sensitive information portion of said ith data element;

obtaining, by at least one processing device, a partitioned space S including t regions S1, S2, . . . , St;

assigning, by at least one processing device, said identifying portion, pi, to a selected one of said regions;

encrypting, by at least one processing device, said associated sensitive information portion si as e(si); and

storing, by at least one processing device, said encrypted associated sensitive information portion e(si) in a non-transitory electronic memory device in a list associated with said selected region but not storing said associated
identifying portion, pi, in said list after using said associated identifying portion, pi, to assign said associated identifying portion, pi, to said selected region.