Entrust Certificate Manager vs OpenCA PKI

Entrust Certificate Manager centralizes discovery and lifecycle management for digital certificates, from audit and issuance through renewal and revocation. It can find certificates across networks, cloud environments, and CA repositories, then provide continuous monitoring, reports, and alerts. Policy-driven workflows automate lifecycle steps, and certificates from Entrust and third-party CAs can be managed through one control point. Entrust describes deployment across on-premises, private cloud, and public cloud environments. Integration choices include cloud, automation, CA gateway, enrollment protocol, secrets management, and custom REST APIs. The API can query certificates by metadata, import certificates, and update custom-field metadata, subject to token permissions. Compatibility information lists PostgreSQL 15 or higher, OpenID Connect 1.0, LDAP v3, and other specified components. Entrust says the product supports crypto-agility and post-quantum readiness. Pricing is on request, and there is no free plan. Entrust was founded in 1969 and is headquartered in Minneapolis, Minnesota.

OpenCA PKI is free, open-source software for establishing and managing a public key infrastructure, with an out-of-the-box Certification Authority. It is intended for on-premises deployment and is listed for Linux, macOS, self-hosted, and web environments. The project says it implements commonly used protocols with full-strength cryptography; listed capabilities include SCEP support, HSM integration, and certificate profiles. The download page lists OpenCA PKI (SpecialK) version 1.5.1. Installation requires other software, including OpenLDAP, OpenSSL, Apache, and Apache mod_ssl, and OpenCA Tools version 1.3.0 is listed as a prerequisite to install first. The project dates to 1998 and describes its work as volunteer-driven and managed through collaboration and consensus. Community support is available through mailing lists, forums, and online chat; independent third parties offer paid support. Security concerns can be reported privately by email or publicly through the project issue trackers. The documentation page says downloadable documentation is unavailable and notes that the OpenCA Guide for version 0.9.2 is outdated in some parts.