Title

Flexible authentication of images

Publication Type

Conference Proceeding Article

Publication Date

7-2003

Abstract

In this paper, we propose a novel authentication method for digital images that achieves fine authenticating granularity (e.g., block-level granularity). Its appealing flexibility lies in the fact that with only one piece of authenticating data (e.g., digital signature or message authentication code) spanning all blocks, each block can be independently authenticatedwhile ignoring the other blocks. In our method, the authenticating data are derived by means of theChinese Remainder Theorem. To further attest its flexibility, the method provides adjustable confidence by managing the public system parameters. Security issues, advantages, as well as limitations related to the method are addressed. A widerange of potential applications are envisioned to demonstrate its practical significance.

Keywords

Authentication, Chinese remainder theorem, Localization, Digital image storage, Digital watermarking, Multimedia systems, Security of data, Set theory

Discipline

Information Security

Research Areas

Cybersecurity

Publication

Proceedings of SPIE: Visual Communications and Image Processing 2003: 8-11 July 2003, Lugano, Switzerland

Volume

5150

First Page

1905

Last Page

1911

ISBN

9780819450234

Identifier

10.1117/12.503075

Publisher

SPIE

City or Country

Bellingham, WA

Additional URL

http://dx.doi.org/10.1117/12.503075