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  • Signature Validation Service
    • Trust Service Provider
    • Electronic and digital signatures
  • Digital signatures concepts
    • Simplified PKI model
    • Digital certificate
    • CRLs and OCSP
    • Trusted List (TL)
    • Certificate Chain and Certification Path Validation
  • Document Processing
    • Signature creation
    • Signature validation
    • Timestamping
    • Multiple signatures
  • Signature Applicability Rules / Signature Policy
  • Deployment
    • Bare-metal
    • Kubernetes
    • Standalone
    • Remarks
  • Administration guide
    • SimpleSign
    • Trust1Connector
    • DSS API Service
    • DSS API Utilities service
  • Architecture component overview
  • AdES validation constraints/policy
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  • Overview
  • Service
  • DSS API Service
  • DSS API Utilities service
  • SimpleSign
  • Trust1Connector

Architecture component overview

Last updated 4 months ago

Overview

The image below depicts the Architecture of the DSS API services.

In this image there are various components which are described below.

Service

DSS API Service

The DSS API Service is a service which provides functionalities such as document signing, timestamping and validation. The DSS API has been updated in terms of:

  • service functionality

  • validation templates and process

  • property exposure for digital signing

This service hosts both an API and a web interface.

The API is used by the SimpleSign application to provide document signature capabilities.

The User Interface can be used to validate signatures and certificates and get detailed reporting on the validation.

The Service can run locally on a user's machine, on-premise of in a kubernetes environment.

DSS API Utilities service

The DSS API Utilities service is a service which provides additional functionalities. One of these functionalities is PDF/A validation. This feature is also used in the SimpleSign application to provide PDF/A validation on uploaded documents.

SimpleSign

SimpleSign is a native application which provides a User Interface which enables the user to upload, view and sign documents.

Trust1Connector

The Trust1Connector is a technical local service that aims to make all hardware devices and tokens, used for authentication and digital signing, interoperable in a web environment. No operating system dependencies to take into account, no browser dependencies, and compatible with smart-card readers, contactless readers and pin-pad readers/terminals. The Trust1Connector provides you with a secured communication channel between your local device and a web browser.

The goal of the Trust1Connector is enabling secured communication, from a (web) application, to a desktop device, in the world of personal or device identity, mainly for the following use cases:

  • Read token information (personal info, ICAO, ...)

  • Read certificates, certificate chains or certificate information

  • Verify a known password (PIN, PUK, CAN, ...)

  • Authenticate using a hash

  • Digitally sign a hash

  • Validate digitally signed hashes

These use-cases are used by the SimpleSign application to provide the end-user the capabilities to sign documents with their local smart cards or tokens