initial README

README.md

-TSA
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+# Tust ServiceAPI 
+
+Trust Services API is an open-source software solution for the area of Signing/Validation, Secure Policy Management and Policy Execution with the purpose to provide trusted services around Decision Evaluations and Verifications. 
+
+Product Scope
+
+The Trust Services API is a toolset of services/applications which can be used indipendantly as stand-alon components to ensure a consistent level of trust between Gaia-X participants and components. The Trust Services API can be used by all other project with-in GAIA-X ecosystem. The creation and validation of digital signatures plays a particularly important role here. The product scope includes signing and verifying of necessary data, enabling policy driven trust, ensuring trust-chains between participants and validating eIDAS compliant signatures.
+This includes necessary tools (e.g., Command Line Scripts) to operate and maintain the created software components in an enterprise environment with focus on high-availability, security and monitoring and logging based on common standards. 
+
+The functions of the Trust Services component are provided case-dependent either as runtime or library components. Runtime components are exposing endpoints as REST services. In addition, policy configuration with GitOps is available to enable the provisioning and sharing of policies. The component is part of the Gaia-X Trust and identity management toolstack and not centrally hosted.