Blancco Assigned Patent
Erasing data stored on storage device
By Francis Pelletier | April 8, 2016 at 2:38 pmBlancco OY Ltd., Joensuu, Finland, has been assigned a patent (9,286,231) developed by Vaisanen, Kim, Helsinki, Finland, Lalli, Lauri, Joensuu, Finland, and Brew, Jonathan, Joensuu, Finland, for a “apparatus, a system, a method and a computer program for erasing data stored on a storage device.”
The abstract of the patent published by the U.S. Patent and Trademark Office states: ”An approach for erasing data being stored in a data storage apparatus is provided. The approach may be provided e.g. as an apparatus, as a method, as a system or as a computer program. The approach comprises obtaining a sequence of uncompressible data fulfilling predetermined criteria, which predetermined criteria comprises a statistical measure indicative of compressibility or uncompressibility of the sequence of uncompressible data meeting a predetermined criterion, wherein the sequence of uncompressible data is divided into one or more blocks of uncompressible data, the sum of the sizes of the one or more blocks of uncompressible data being larger than or equal to the storage capacity of the data storage apparatus, and providing, to the data storage apparatus, the one or more blocks of uncompressible data for storage therein to overwrite the data being currently stored in the data storage apparatus.“
The patent application was filed on July 5, 2013(14/412,788).