Code Signing Key Management Server (CSKMS)
Code Signing Key Management Server (CSKMS): A specialized self-hosted server for protected firmware and software-image signing. Ranked #19 of 28 in Code Signing Software by our editors (7.1/10); pricing: Pricing on request; best for secure firmware and software-image signing.
At a glance
- Editor score7.1 / 10
- PricingPricing on request
- Best forSecure firmware and software-image signing
- Supported targetsfirmware, software applications, software images, block images, hash fingerprints
- Founded1985
- Facts checked20 Sep 2026
Where it wins
- FIPS 140-2 Level 3 HSM protection for signing keys
- Offline operation with hardware-token access controls
- APIs and integrations for builds, OTA, provisioning, and repositories
Where it doesn't
- Pricing requires contact with sales
- No timestamping or approval workflows
- Self-hosted deployment requires on-premises operation
Our verdict on Code Signing Key Management Server (CSKMS)
Code Signing Key Management Server (CSKMS) is an on-premises server for managing code-signing and encryption keys and signing firmware, software applications, software images, block images, and hash fingerprints. It is aimed at manufacturers and organizations protecting connected devices, critical infrastructure, industrial systems, aerospace, telecommunications, transportation, and automotive assets. Supported signature algorithms include RSA, ECDSA, LMS, XMSS, and Dilithium, with optional encryption for sensitive software and firmware images.
Key protection is a central strength. CSKMS uses FIPS 140-2 Level 3 hardware security module protection, supports offline isolated operation, and controls hardware-token access. Administrators can organize signing keys with key groups and user permissions, while secure logging records signed-image metadata and key usage. Certificate self-signing and CSR export are also included. These capabilities make the product a strong fit where signing authority, key custody, and auditable usage matter more than a lightweight cloud workflow.
The platform also provides RESTful and web-service APIs for code-signing clients, backend software builds, software repositories, backend OTA services, and device provisioning systems. Its CI/CD signing support suits organizations connecting signing to established build and delivery processes. The trade-off is a narrower, infrastructure-focused approach: pricing is handled through contact with sales, and the product does not provide timestamping or approval workflows. Organizations seeking controlled firmware and software-image signing with offline HSM-backed key management should consider CSKMS; teams wanting a simpler hosted signing service or built-in approval and timestamping features should look elsewhere.
Code Signing Key Management Server (CSKMS) pricing
Code Signing Key Management Server (CSKMS) fact sheet
| Free plan | Not verified |
|---|---|
| Paid from | Not verified |
| Supported targets | firmware, software applications, software images, block images, hash fingerprints |
| Certificate provided | Not verified |
| Cloud signing | Not verified |
| HSM key protection | Yes |
| Trusted timestamping | Not verified |
| CI/CD signing | Yes |
| Approval workflows | Not verified |
| Deployment | Self-hosted |
| Support | Email, Phone · 24/7 |
| Built for | Mid-market, Enterprise (editorial estimate) |
| Integrations | 5 integrations: backend OTA services, device provisioning systems, code-signing clients, backend software builds, software repositories |
| Pricing | Pricing on request |
| Website | certicom.com |
| Facts checked | 20 Sep 2026 |
Code Signing Key Management Server (CSKMS) integrations
Code Signing Key Management Server (CSKMS) lists 5 integrations on its own site.
- backend OTA services
- device provisioning systems
- code-signing clients
- backend software builds
- software repositories
Alternatives to Code Signing Key Management Server (CSKMS)
- SignPathGoverned signing for teams shipping software across diverse artifact formats.9.4
- DigiCert Software Trust ManagerEnterprise signing governance for artifacts, approvals, keys, and release pipelines.9.2
- SignServerA flexible open-source signing server with enterprise controls for production deployments.9.0
See all Code Signing Key Management Server (CSKMS) alternatives →
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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