Digital Signatures

Trusted digital signing built for assurance, compliance, and automation. Within the ILM layer of the ISS TLM platform, Digital Signatures provides centralized, policy-driven control of signing and timestamping services – covering remote, qualified, and enterprise-grade signing use cases. It enables organizations to meet eIDAS and ETSI regulatory mandates, protect digital integrity, and verify provenance across every transaction, document, and code artifact.
  • Conforms with eIDAS2, ETSI EN 319 421, and CSC (Cloud Signature Consortium) standards.
  • Supports qualified trust service providers (QTSPs) and enterprise signing under unified policy.
  • Provides HSM-backed key custody, timestamping, and verifiable signature chains for audit.
  • Strengthens supply-chain integrity through signing assurance and provenance tracking.

Key Features 

Digital Signatures ensure authenticity, integrity, and legal validity across digital interactions – supporting secure signing for people, systems, and applications. By embedding eIDAS- and ETSI-compliant signing, timestamping, and validation into enterprise workflows, organizations can verify provenance, maintain regulatory compliance, and safeguard data integrity without compromising automation or user experience.

Centralized Signing Control

Centralizes management of digital signature policies across users, systems, and applications. Enforces cryptographic algorithms, certificate profiles, and identity assurance rules to ensure consistency and compliance with eIDAS and ETSI requirements. Simplifies administration while ensuring every signature event is authenticated, auditable, and policy-aligned.

Remote Qualified Signatures

Enables secure, legally recognized eIDAS-compliant Advanced and Qualified Electronic Signatures (AdES/QES). Private keys remain protected within certified HSM or QSCD custody, ensuring sole control. Supports remote and delegated signing with full traceability, identity validation, and trusted timestamping for regulatory assurance.

ETSI Signature Formats Support

Provides ETSI-compliant signing and validation across recognized formats including PAdES, XAdES, CAdES, and JAdES. Built-in timestamping, validation, and longterm validation (LTV) capabilities ensure durable, verifiable signatures that maintain evidential value and integrity over time.

Integrated Identity & Trust Services

Integrates seamlessly with enterprise PKI, IAM, and Qualified Trust Service Providers (QTSPs) to deliver end-to-end identity and signing assurance. Supports SSO, SAML, and OAuth-based authentication to embed secure digital signing directly into enterprise and cloud workflows – aligning identity, authorization, and cryptographic trust in a single system.

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Get Started with Digital Signatures

    Resource Library

    Post-Quantum Cryptography Implementation Guide

    Deep dive into post-quantum crypto deployment strategies for embedded systems

    Post-Quantum Cryptography Implementation Guide

    Deep dive into post-quantum crypto deployment strategies for embedded systems
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