Self-Sovereign Identity (SSI) is a new concept for electronic identities that is based upon the blockchain technology. With the blockchain […]
Category: eGovernment
Multilateral Integration of XACML Policies
In this project an administrative model was extended to support the translation of abstract, semantic security policies into XACML policies. XACML […]
Secure Real-Time Textcollaboration
Tool for demonstrating secure real-time textcollaboration. Google Docs and Office 365 come to mind on cloud-based data processing. The success […]
Utilizing Policy Enforcement System to Control Mobile Distributed Applications
XACML is the de-facto standard in the area of data security policy languages. It enables to centralize the evaluation and […]
LOD and LOV for Authorization Concepts
Vocabularies to represent security relevant concepts. Linked Open Data (LOD) and Linked Open Vocabularies (LOV) deal with the definition of […]
Browser Addon for Certificate Validation using EU Trust Lists
Intended for demonstration purposes, A-SIT realised an addon for Mozilla Firefox capable of verifying and displaying the trust status of […]
Orchestration of distributed cloud applications
Development of a meta-model for categorizing Web-APIs. Today, many web services offer a separate interface in the form of a […]
Contextual Data Exchange
We present a reusable data structure that addresses the issues of static, inflexible and practically non-interoperable authorization definitions. We first […]
Ontologies in the e-Government Domain
A survey of areas of application for ontologies in E-Government. During the past years, ontology-based concepts have gained importance especially […]
Security Recommendations for the Public Sector
The application of cryptographic methods is a complex task. It requires the selection of appropriate methods that are able to […]