Author(s)

H. Baier & M. Ruppert

Abstract

The paper at hand presents the concept of a flexible and interoperable public key infrastructure, the so called FlexiPKI. We show how this concept and its realization enables long term security in e-government and e-commerce. As a proof of concept, we describe the implementation of the FlexiPKI concept at the root certi- fication authority in Germany. Keywords: cryptography, digital signatures, e-government, public key infrastructure, Java Cryptography Architecture. 1 Introduction As of today public key infrastructures become more and more popular because of their fundamental role to achieve security goals like authenticity, integrity, nonrepudiation, and confidentiality in open user groups. The security of public key infrastructures mainly depends on the security of digital signatures. The main p

Keywords