The ADSS Server SAM Appliance by Ascertia is a tamper-protected hardware/software solution that enables secure remote signing and eSeal creation for documents, web forms, and transactions. It is designed for Trust Service Providers (TSPs) and organizations that require eIDAS-compliant qualified electronic signatures (QES) and advanced audit trails. The appliance eliminates the need for physical smartcards or tokens, instead centrally managing cryptographic keys and signature authorization. It is certified to Common Criteria EAL4+ (EN 419 241-2), ensuring the highest level of assurance and legal recognition for digital signatures across the EU. The solution supports SAML, OAuth, and OpenID Connect for secure authorization and integrates with business applications and mobile devices for flexible, user-friendly remote signing.

Key Features

Remote Qualified Signature Creation Enables creation of eIDAS-compliant qualified electronic signatures and eSeals.

• Supports both one-time and long-term signing
• Works with any document, web form, or transaction

Centralized Key Management Securely manages signing keys in a tamper-protected environment.

• Removes need for smartcards/tokens
• Keys stored in a certified HSM, centrally protected

Strong Authentication & Authorization Uses modern authentication protocols for secure signature authorization.

• Supports SAML, OAuth, OpenID Connect
• Mobile device-based authorization (e.g., via Go>Sign Mobile app)

Common Criteria & eIDAS Compliance Certified to EAL4+ (EN 419 241-2) and compliant with EU eIDAS regulations.

• Ensures legal recognition of signatures across the EU
• Meets strict security requirements for QTSPs

Comprehensive Audit & Policy Management Centralized policy settings and full audit trail for all signature operations.

• Managed by Trust Service Providers (TSPs)
• Detailed logging for compliance and forensic analysis

Interoperability Integrates with various business applications and platforms.

• API-based integration for custom workflows
• Compatible with business portals, document management, and signing platforms

Benefits

Enhanced Security Ensures sole control of signing keys and robust protection against unauthorized access.

• Tamper-protected hardware and secure channels
• Cryptographic verification of all authorization responses

Operational Efficiency Streamlines digital signature processes and reduces administrative overhead.

• Eliminates physical token/smartcard management
• Enables remote signing from any location, any device

Regulatory Compliance Provides out-of-the-box compliance with EU and international digital signature standards.

• Reduces legal and compliance risks
• Facilitates cross-border digital transactions

Improved User Experience Simplifies the signing process for end users and administrators.

• Mobile-based authorization
• No need for specialized hardware per user