Trustzone’s Digital Signing Service is a cloud and API-based digital signing platform for adding PKI-backed digital signatures and organization seals at scale to existing document workflows and applications. It provides trusted timestamps, high availability and disaster recovery, signer identity options (individual or department), and seamless integration via API/SDK, removing the need to manage PKI or hardware while meeting digital signature compliance requirements.

Key Features

PKI-based signatures and seals Standards-based cryptographic trust for documents.

• Both signatures and seals are PKI-backed
• Long-lived, trusted signing with integrity guarantees

Cloud/API integration Embed signing where you work.

• Cloud-native Signing-as-a-Service with API and SDK integration
• Works with multiple document signing applications

Trusted timestamping Evidence of when signing occurred.

• Adds trusted timestamps for auditability and compliance

High availability and DR Resilience for mission-critical workflows.

• Built-in High Availability and Disaster Recovery capabilities

Signer identity flexibility Map to your organizational model.

• Sign with individual or department-level identities

Compliance-ready Align with applicable regulations.

• Meets digital signature compliance requirements

No PKI expertise required Reduce operational complexity.

• Deploy without managing hardware or complex PKI stacks

Benefits

Faster integration and lower TCO Quickly add digital signing without PKI overhead.

• API/SDK integration into existing workflows and apps
• No hardware management or deep PKI expertise required

Scalable, reliable signing Operate at high volume with continuity.

• High Availability and Disaster Recovery for consistent uptime
• Long-lived, trusted signatures and seals at scale

Compliance and audit readiness Support regulatory and evidentiary needs.

• PKI-backed identity with trusted timestamps
• Signer options (individual/department) for governance