acmephp/ssl
acmephp/ssl is a PHP library for SSL/TLS certificate handling. It provides key and CSR generation, certificate parsing and signing, and the low-level certificate utilities that power Acme PHP's Let's Encrypt client.
ext-openssl, covering key generation, CSR creation, certificate parsing, PEM/DER encoding and signing. It answers a recurring build-vs-buy question: instead of hand-rolling openssl_* calls across your codebase, you adopt a small, MIT-licensed primitive and keep your own product code focused on the workflow (issuance, renewal, expiry, alerting).phpseclib or a managed service cheap.Adopt when:
ext-openssl and no heavy dependency tree; the API surface is small and stable, which is exactly what you want in a crypto shim.Look elsewhere when:
phpseclib (pure PHP, broad algorithm coverage, active maintenance) or paragonie/* for specific primitives is the safer default. Note that ext-openssl itself has absorbed many deprecations and behavioral changes since 2019; unmaintained wrappers age badly here.ext-openssl as a first-class assumption, or you have platform constraints where shelling out to openssl/certbot/cert-manager is the sanctioned path.For executives: This is a small, MIT-licensed, no-cost building block that would let us ship certificate-related features — custom-domain TLS, BYO-cert upload, expiry alerting, CSR validation — without paying for a vendor or building crypto ourselves. The strategic value is option value: it makes a class of trust-and-identity features cheap to sequence into the roadmap. The caveat is maintenance: the library has not been released since 2019 and has almost no downstream community, so we should treat it as a contained dependency behind our own interface, not a foundation. Recommendation: use it only if we are already committed to the Acme PHP stack; otherwise standardize on an actively maintained library and keep the door open to swap.
For engineering: The package is a focused wrapper over ext-openssl for key generation, CSR construction, certificate parsing, PEM/DER encoding, and signing — a clean, small API that saves us from scattering raw openssl_* calls. Risks are concrete and manageable: stale since 2019, unverified against modern PHP releases, single-maintainer, no meaningful downstream usage to signal battle-testing. Mitigations: pin the version, wrap every call behind an internal CertificateService interface, add contract tests against real certificates and CSRs, and budget a spike to evaluate phpseclib as the drop-in replacement if we hit a PHP-version or CVE issue. Do not let this package appear in more than one layer of the codebase.
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