DSS: Digital Signature Service for Advanced Electronic Signatures

DSS: Digital Signature Service for Advanced Electronic Signatures

Summary

DSS, the Digital Signature Service, is a robust framework developed by the European Commission. It provides comprehensive functionalities for the creation, extension, and validation of advanced electronic signatures, supporting various formats like CAdES, PAdES, XAdES, and JAdES. This open-source Java library is essential for applications requiring secure and compliant digital signature capabilities.

Repository Info

Updated on October 11, 2025
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Tags

javadigital signatureesignaturevalidationeIDAScadespadesxades

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Introduction

The Digital Signature Service (DSS) is a key open-source project from the European Commission, designed to facilitate the creation, extension, and validation of advanced electronic signatures. As a crucial component of the European Union's digital building blocks, DSS ensures compliance with eIDAS regulations and supports widely recognized signature formats such as CAdES, PAdES, XAdES, and JAdES. It serves as a foundational tool for developers building secure and legally compliant digital processes.

Installation

DSS is primarily a Java-based project and can be easily integrated into your Maven projects. It requires Java 8 or higher for usage, with Java 11 or higher recommended for building.

To include DSS in your project, add the following to your pom.xml:

<dependencyManagement>
    <dependencies>
        <dependency>
            <groupId>eu.europa.ec.joinup.sd-dss</groupId>
            <artifactId>dss-bom</artifactId>
            <version>6.3</version>
            <type>pom</type>
            <scope>import</scope>
        </dependency>
    </dependencies>
</dependencyManagement>

<dependencies>
    <dependency>
        <groupId>eu.europa.ec.joinup.sd-dss</groupId>
        <artifactId>dss-utils-apache-commons</artifactId>
    </dependency>
    <dependency>
        <groupId>eu.europa.ec.joinup.sd-dss</groupId>
        <artifactId>dss-xades</artifactId>
    </dependency>
    <!-- Add other required DSS modules here -->
</dependencies>

For a full build, including unit tests, use mvn clean install. For quicker builds, profiles like quick or quick-init can be utilized: mvn clean install -P quick.

Examples

The DSS project provides extensive resources to help developers get started. Comprehensive documentation and samples are available in the dss-cookbook module. Additionally, SoapUI and Postman projects are included to illustrate SOAP/REST calls, offering practical examples for integration. A live demonstration of the service is also available online, showcasing its capabilities.

Why Use DSS

Choosing DSS means leveraging a robust, officially supported framework from the European Commission. It guarantees adherence to European standards for electronic signatures, making it ideal for applications requiring legal certainty and interoperability across EU member states. Its comprehensive feature set, active development, and strong community support make it a reliable choice for implementing advanced digital signature functionalities.

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