Automating the Enterprise Certificate Lifecycle: Implementing SCEP, EST, and ACME with Hardware Security Modules

Eliminating manual certificate management outages through automated enrollment protocols anchored in certified hardware.

The High Cost of Expired Internal Certificates

Unplanned outages caused by expired internal SSL/TLS certificates cost large enterprises millions of dollars in lost productivity and damaged reputation. Manual spreadsheet tracking of certificates inevitably fails. LanHSM automates the entire lifecycle through standard protocols: EST (RFC 7030), SCEP, and ACME.

Enrollment over Secure Transport (EST) vs. SCEP

While SCEP remains common in legacy MDM systems, it lacks native support for modern elliptic curve cryptography and client-side key generation. LanHSM provides a high-performance EST gateway that leverages TLS for transport security and client authentication, allowing seamless issuance of modern ECDSA P-256 certificates in under 50 milliseconds.

Hardware-Accelerated Online Certificate Status Protocol (OCSP)

When an employee laptop is reported lost or stolen, instant revocation is essential. LanHSM generates pre-signed OCSP response tokens in volatile memory, responding to client revocation queries in less than 500 microseconds without database lookup delays.

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