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Generic constructions for universal designated-verifier signatures and identity-based signatures from standard signatures (with S. F. Shahandashti), Faculty of Informatics - Papers (2009)
We give a generic construction for universal designated-verifier signature schemes from a large class, C,...
Location Constraints in Digital Rights Management (with A. Muhlbauer, F. Salim, N. P. Sheppard, and M. Surminen), Faculty of Informatics - Papers (2008)
Digital rights management allows information owners to control the use and dissemination of electronic documents...
Location-based DRM using WiFi Access Points (with M. J. Surminen and N. P. Sheppard), Faculty of Informatics - Papers (2007)
Location-based Digital Rights Management (DRM) refers to a system allowing the owner of an electronic...
Classification of the Deletion Correcting Capabilities of Reed–Solomon Codes of Dimension Over Prime Fields (with L. McAven), Faculty of Informatics - Papers (2007)
Deletion correction codes have been used for transmission synchronization and, more recently, tracing pirated media....
A Maximum Likelihood Watermark Decoding Scheme (with W. Lu, W. Li, and P. Ogunbona), Faculty of Informatics - Papers (2007)
Based on the observation that an attack applied on a watermarked image, from a decoding...
Implementing Trusted Terminals with a TPM and SITDRM (with S. Stamm and N. P. Sheppard), Faculty of Informatics - Papers (2007)
In the SITDRM Enterprise system [1], private customer data is protected under customer-provided license policies....
Detecting Policy Violations through Traffic Analysis (with J. Horton), Faculty of Informatics - Papers (2006)
Restrictions are commonly placed on the permitted uses of network protocols in the interests of...
Sharing Digital Rights with Domain Licensing (with N. P. Sheppard), Faculty of Informatics - Papers (2006)
Sharing of multimedia content is a common practice that, combined with appropriate business models, need...
Distributed Management of OMA DRM Domains (with H. Vasanta, N. P. Sheppard, and M. Surminen), Faculty of Informatics - Papers (2006)
Version 2.0 of the Open Mobile Alliance's Digital Rights Management Specification provides for protected content...
A Pixel-Based Robust Imagewatermarking System (with W. Lu, W. Li, and P. Ogunbona), Faculty of Informatics - Papers (2006)
Robust image watermarking systems are required to be resistant to geometric attacks in addition to...
Protecting Privacy with the MPEG-21 IPMP Framework (with N. P. Sheppard), Faculty of Informatics - Papers (2006)
A number of authors have observed a duality between privacy protection and copyright protection, and,...
High-capacity steganography using a shared colour palette (with G. Brisbane and P. Ogunbona), Faculty of Informatics - Papers (2005)
Seppanen, Makela and Keskinarkaus (SMK) have proposed a high-capacity steganographic technique to conceal information within...
Location privacy in mobile IP (with R. Wiangsripanawan and W. Susilo), Faculty of Informatics - Papers (2005)
Several security issues arise, due to the design of the mobile IP and its deployment...
Bounds on authentication systems in query mode (with P. Wild), Faculty of Informatics - Papers (2005)
Unconditionally secure authentication codes provide information theoretic security against an adversary who observes authenticated messages...
Weighted Segmented Digital Watermarking (with G. E. Wheeler and N. P. Sheppard), Faculty of Informatics - Papers (2004)
We introduce the notion of weighted watermarking for proof-of-ownership watermark protection of multimedia works that...
Import/Export in Digital Rights Management (with N. P. Sheppard and T. Uehara), Faculty of Informatics - Papers (2004)
The inherently controlled nature of digital rights management systems does little to promote inter-operability of...
Secure Multimedia Authoring with Dishonest Collaborators (with N. P. Sheppard and P. Ogunbona), Faculty of Informatics - Papers (2004)
Many systems have been proposed for protecting the intellectual property of multimedia authors and owners...
A scalable and oblivious digital watermarking for images (with W. Lu, T. Uehara, and W. Li), Faculty of Informatics - Papers (2004)
Scalable compression algorithms, such as JPEG, can compress images to different quality or resolution levels...
An MPEG tolerant authentication system for video data (with T. Uehara and P. Ogunbona), Faculty of Informatics - Papers (2004)
We propose a secure video authentication algorithm that is tolerant to visual degradation due to...
Performance Measurement of Watermark Embedding Patterns (with R. Scealy and N. P. Sheppard), Faculty of Informatics - Papers (2003)
Segmented watermarking is an approach to multiple watermarking that can be used to acknowledge the...
Securing Mobile IP Enabled Laptop (with R. Wiangsripanawan and W. Susilo), Faculty of Informatics - Papers (2003)
Mobile IP Onternet Protocol) enables access to the Internet anywhere with one IP address, hence,...
Web filtering using text classification (with R. Du and W. Susilo), Faculty of Informatics - Papers (2003)
Compression tolerant DCT based image hash (with C. Kailasanathan and P. Ogunbona), Faculty of Informatics - Papers (2003)
With the advent of Internet image authentication has become a central part of research in...
Sequential Traitor Tracing (with Yejing Wang), Faculty of Informatics - Papers (2003)
We consider a new type of traitor tracing scheme, called sequential traitor tracing, that protects...
Secure authorization, access control and data integrity in Bluetooth (with L. Nguyen, W. Susilo, and T. A. Wysocki), Faculty of Informatics - Papers (2002)
The Bluetooth standard has a provision for mutual authentication of connecting devices but not their...
Compression performance of JPEG encryption scheme (with C. Kailasanathan and P. Ogunbona), Faculty of Informatics - Papers (2002)
Recent development in the Internet and Web based technologies require faster communication of multimedia data...
New results on frame-proof codes and traceability schemes (with Yejing Wang), Faculty of Informatics - Papers (2001)
In this correspondence we derive lower bounds on the maximum number of codewords in a...
Towards securing 3G mobile phones (with W. Susilo and G. Taban), Faculty of Informatics - Papers (2001)
Third-generation (3G) mobile phones are capable of high data rate Internet connection and promise seamless...
On Multiple Watermarking (with N. P. Sheppard and P. Ogunbona), Faculty of Informatics - Papers (2001)
Mintzer and Braudaway once asked: If one watermark is good, are more better? In this...
A New and Efficient Fail—Stop Signature Scheme (with W. Susilo, M. Gysin, and J. Seberry), Faculty of Informatics - Papers (2000)
Security of ordinary digital signature schemes relies on a computational assumption. Fail-stop signature schemes provide...
Crypto Topics And Applications I (with J. Seberry, C. Charnes, and J. Pieprzyk), Faculty of Informatics - Papers (1999)
In this chapter we discuss four related areas of cryptology, namely: Authentication, Hashing, Message Authentication...
Crypto Topics And Applications II (with J. Seberry, C. Charnes, and J. Pieprzyk), Faculty of Informatics - Papers (1999)
In this chapter we continue our exposition of the crypto topics which was begun in...