Title:	SECURE AND RELIABLE ONLINE-VERIFICATION OF ELECTRONIC SIGNATURES IN THE DIGITAL AGE
Author(s):	Thomas Zefferer, Bernd Zwattendorfer, Arne Tauber, Thomas Knall
ISBN:	978-989-8533-01-2
Editors:	Bebo White, Pedro Isaías and Flávia Maria Santoro
Year:	2011
Edition:	Single
Keywords:	Electronic signatures, verification, web application, document format detection
Type:	Full Paper
First Page:	269
Last Page:	276
Language:	English
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Paper Abstract:	With the rise of the digital age, electronic signatures have become an important tool to express written consent especially in security sensitive fields of operation such as e-Government or e-Business. Being legally equivalent to handwritten signatures in many countries, electronic signatures guarantee integrity and non-repudiation of origin. Reliable verification of electronic signatures is a crucial element in various electronic signature based solutions. A myriad of document and signature formats, complex cryptographic algorithms, and various additional requirements complicate the verification of electronic signatures. Amongst others, security, usability, and privacy preservation can be identified as key requirements for the reliable verification of electronic signatures. In this paper we introduce a central web application based signature verification tool. We discuss general requirements of such tools and show how the identified requirements are met by the presented solution. The presented tool plays a central role in the Austrian e-Government infrastructure and has been in productive operation for more than four years. Although being originally developed for the Austrian e-Government, the tool is also applicable in an international context. Due to its modular and scalable design, the presented verification tool is well prepared to overcome the challenges of a globalized digital future.
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