Zentra Sign Server
Enterprise-Grade Digital Signing Middleware Solution
Standardized integration, uncompromising security, and smarter document signing
Zentra Sign Server is an enterprise-grade digital signature and key security platform that provides centralized signing services for enterprises, financial institutions, and large organizations. With HSM key protection + API signing services + Post-Quantum Cryptography, organizations can ensure that all digital transactions, electronic documents, and API messages have:
Why Do Enterprises Need a Centralized Signing Platform?
In many enterprise systems, private keys are often scattered across API Gateways, core systems, application servers, and document systems.
Difficult Private Key Management
Distributed storage leads to extremely high maintenance costs.
Risk of Key Leakage
Multiple storage points increase the attack surface and make unified protection difficult.
Audit and Compliance Challenges
Signing activities cannot be logged centrally, making it difficult to meet financial regulatory requirements.
How Does Zentra Sign Server Solve This?
Zentra Sign Server centralizes all signing capabilities on a secure platform, ensuring that private keys never leave the secure environment (HSM). Through a unified API interface and centralized key lifecycle management, it significantly reduces operational risk and meets compliance requirements.
Four Core Capabilities
API Transaction Signing
Supports JWS, JWT, HMAC, and RSA/ECC to ensure transaction integrity and non-repudiation.
Electronic Document Signing
Supports PDF PAdES, Timestamp, and LTV; suitable for electronic contracts, financial documents, and government records.
HSM Hardware Integration
Compatible with Utimaco, PKCS#11, and Cloud HSM, meeting financial-grade security requirements.
Quantum Security
Natively supports post-quantum signature algorithms (PQC): ML-DSA (Dilithium) and hybrid signatures.
System Architecture
An end-to-end secure signing workflow from enterprise applications to hardware security modules
Mobile Banking
Mobile Banking
API Gateway
API Gateway
Core Banking
Core Banking System
Open Banking
Open Banking
Zentra Sign Server
REST API Digital Signing Service
Zentra KMS
Key Lifecycle Management
HSM
Secure Key StorageProduct Comparison
The only enterprise signing platform with post-quantum security capabilities, delivering next-generation quantum-safe signing to ensure your enterprise assets remain protected in the age of quantum computing.
| Features | Zentra | Keyfactor | Entrust | EJBCA |
|---|---|---|---|---|
| JWS / JWT Signing |  |  | |  |
| PDF PAdES Signing | | | | |
| HSM Integration (PKCS#11) | | | | |
| Cloud HSM Support | | | | |
| Native REST API Support | | | | |
| RBAC Access Control | | | | |
| Post-Quantum (PQC) | | | | |
Compliance and Security Trust
HSM Key Protection
Mutual TLS Authentication
Audit Logging
RBAC Access Control
6F., No. 578, Ruiguang Rd., Neihu Dist., Taipei City 114 , Taiwan (R.O.C.)
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