Title:
ENCRYPTING DATA WITHIN A HOST IMAGE
Document Type and Number:
WIPO Patent Application WO/2017/039826
Kind Code:
A3
Abstract:
Image-hosted data encryption implementations are presented that encrypt and decrypt data within a host image. A bit stream representing a data item and a host image are accessed. The host image has pixels which include one or more color channels that are represented by bits that are interpreted when the host image is rendered and other bits that are not interpreted when the host image is rendered. The bit stream is inserted into the host image by injecting bits into the bits of the one or more color channels not interpreted when the host image is rendered. In this way, the inserted data is not seen when the host image is rendered. Decryption involves extracting bits associated with a bit stream from the bits of the one or more color channels of the host image pixels not interpreted when the host image is rendered, and then reconstructing the bit stream.
Inventors:
PATHAK SAYAN (US)
SHAH DARSHATKUMAR (US)
SHAH DARSHATKUMAR (US)
Application Number:
PCT/US2016/040924
Publication Date:
May 04, 2017
Filing Date:
July 05, 2016
Export Citation:
Assignee:
MICROSOFT TECHNOLOGY LICENSING LLC (US)
International Classes:
H04N1/32
Domestic Patent References:
| WO2014085542A1 | 2014-06-05 | |||
| WO2011154935A2 | 2011-12-15 |
Foreign References:
| US6021196A | 2000-02-01 |
Other References:
CHE-WEI LEE ET AL: "A data hiding method based on information sharing via PNG images for applications of color image authentication and metadata embedding", SIGNAL PROCESSING., vol. 93, no. 7, 4 February 2013 (2013-02-04), NL, pages 2010 - 2025, XP055356138, ISSN: 0165-1684, DOI: 10.1016/j.sigpro.2013.01.009
MOHAMMED FADY ET AL: "Hiding data inside the padding area in files and packets", 1 September 2010 (2010-09-01), XP055356140, Retrieved from the Internet [retrieved on 20170317]
MOHAMMED FADY ET AL: "Hiding data inside the padding area in files and packets", 1 September 2010 (2010-09-01), XP055356140, Retrieved from the Internet
Attorney, Agent or Firm:
MINHAS, Sandip et al. (US)
Download PDF:
Previous Patent: DIFFRACTIVE BACKLIGHT DISPLAY AND SYSTEM
Next Patent: FREQUENCY SPECIFIC STIMULATION SEQUENCES
Next Patent: FREQUENCY SPECIFIC STIMULATION SEQUENCES