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QUALIFIED TRUST SERVICES

Legally compliant digital signatures (eIDAS) to drive forward the digitalization of your business processes.

CORPORATE TRUST SERVICES

Cryptography-based trust services
to protect your digital identities,
data and business secrets.

Qualified electronic signature products based on eIDAS - legally binding and secure.

API GUIDE

Upgrade your application with electronic signatures by primesign.





DOCUMENT SIGNING API

Signing of PDF documents. primesign handles document processing and adds a visual signature stamp.

HASH SIGNING API

Signing of hash values. Your application handles document processing and provides the document viewer.

CASH BOX API

RKSV-compliant JWS- or raw signatures for cash box receipts.





Developer_SQ
primesign TRUST CENTER

All documents for our qualified trust services, certificate revocation list, root-/CA- certificates, etc.

RESOURCES

Fact sheets, product documentation and more.



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CRYPTAS Editorial

Blog Post by CRYPTAS Editorial

CRYPTAS EditorialJun 16, 2026 1:54:30 PM2 min read

Machine & Workload Identity at Scale: IoT, Kubernetes & Microservices

Machines now vastly outnumber human users. Giving every workload a trusted identity is ...
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CRYPTAS EditorialJun 16, 2026 1:54:27 PM1 min read

How PKI & Certificate Lifecycle Management Help You Meet NIS2 & DORA

NIS2 and DORA both demand state-of-the-art cryptography and provable control. PKI and CLM ...
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CRYPTAS EditorialJun 16, 2026 1:54:23 PM1 min read

Why Certificate Outages Happen — and How to Prevent Them

An expired certificate can take down a website, an API or an entire service. Here is why ...
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CRYPTAS EditorialJun 16, 2026 1:54:20 PM1 min read

Qualified Electronic Signatures: Legal Validity & Top Use Cases in the EU

Not all e-signatures are equal. Here is what makes a qualified electronic signature ...
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CRYPTAS EditorialJun 16, 2026 1:54:16 PM1 min read

DORA Compliance Guide for Financial Entities

DORA is in force across the EU financial sector. Here is what it requires — and where ...
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CRYPTAS EditorialJun 16, 2026 1:54:13 PM2 min read

Crypto-Agility & “Harvest-Now, Decrypt-Later”: Why You Must Act Today

The quantum threat to today's data is already here. Crypto-agility is how you stay ahead ...
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CRYPTAS EditorialJun 16, 2026 1:54:09 PM2 min read

HSMs Explained: When & Why Your Enterprise Needs One

Hardware security modules are the root of trust behind PKI, signing and encryption. Here ...
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CRYPTAS EditorialJun 16, 2026 1:54:06 PM2 min read

Phishing-Resistant MFA & the Path to Passwordless

Most multi-factor authentication can still be phished. Here is what phishing-resistant ...
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CRYPTAS EditorialJun 16, 2026 1:54:02 PM2 min read

Certificate Lifecycle Management: Best Practices to End Outages & Audit Gaps

Certificates are multiplying and their lifetimes are shrinking. Here is how disciplined ...
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CRYPTAS EditorialJun 16, 2026 1:53:57 PM2 min read

eIDAS 2.0 & the EU Digital Identity Wallet: What Changes and How to Prepare

The biggest shift in European digital identity in a decade is underway. Here is what ...
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CRYPTAS EditorialJun 16, 2026 1:53:53 PM2 min read

The NIS2 Compliance Checklist

Ten steps to bring your organisation in line with NIS2 — and where digital trust does the ...
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CRYPTAS EditorialJun 16, 2026 1:53:45 PM2 min read

The Post-Quantum Cryptography Roadmap

A practical, European roadmap for moving your organisation to quantum-safe cryptography — ...
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