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Extracts the rest of the issuer per-connector deep-dive pages: - local-ca.md (170 lines) — Local CA self-signed / sub-CA / tree mode, CRL+OCSP endpoints, EKU support, MaxTTL enforcement, L-014 file-on- disk threat model carve-out - acme.md (235 lines) — RFC 8555 v2 client (HTTP-01 / DNS-01 / DNS-PERSIST-01), ARI per RFC 9773, EAB + ZeroSSL auto-EAB, Let's Encrypt profile selection, revoke-by-serial Top-10 fix #7 - step-ca.md (99 lines) — Smallstep JWK-provisioner synchronous issuance with MaxTTL enforcement - openssl.md (157 lines) — script-based shell-out with full threat model (what's accepted, what's not, mitigations, V3-Pro forward path) - sectigo.md (98 lines) — Sectigo SCM REST with bounded async polling - google-cas.md (89 lines) — GCP managed private CA with OAuth2 service-account auth + IAM-role guidance - entrust.md (96 lines) — Entrust CA Gateway mTLS-authenticated with approval-pending support and mTLS keypair caching - globalsign.md (122 lines) — Atlas HVCA dual auth (mTLS + API key/secret), region-aware base URLs, mTLS keypair caching Index forward-list expanded to enumerate all 13 issuer connectors (including the 5 pages from batch 1) in alphabetical order. This is part 2 of 4 for the Phase 4 follow-on (per-connector page extraction) tracked in cowork/docs-overhaul-phase-2-restructure-2026-05-04/log.md. Net add: 8 files, 1,066 lines. No content removed from index.md.
97 lines
3.8 KiB
Markdown
97 lines
3.8 KiB
Markdown
# Entrust Certificate Services Issuer Connector — Operator Deep-Dive
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> Last reviewed: 2026-05-05
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>
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> Operator-grade documentation for the Entrust CA Gateway issuer
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> connector. For the connector-development context (interface
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> contract, registry, ports/adapters), see the
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> [connector index](index.md).
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## Overview
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The Entrust connector calls the Entrust CA Gateway REST API with
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mutual TLS client-certificate authentication. It supports
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synchronous issuance (200 OK with PEM) and approval-pending flows
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(201 Accepted with async polling).
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Implementation lives at `internal/connector/issuer/entrust/` (the
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mTLS keypair cache is shared at
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`internal/connector/issuer/mtlscache/`).
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## When to use this connector
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Use the Entrust connector when:
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- You're an Entrust Certificate Services customer using the CA
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Gateway as the integration surface.
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- You need approval-pending workflows where humans approve
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enrollments before issuance.
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- You want mTLS-authenticated issuance against a commercial CA
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with no API keys to rotate.
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Look elsewhere when:
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- You only need DV / OV public-trust and your CA is reachable via
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ACME — use the [ACME connector](acme.md) for a simpler path.
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- You're not already an Entrust customer — DigiCert, Sectigo, and
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GlobalSign are comparable commercial alternatives, with
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different auth shapes.
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## Configuration
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| Setting | Required | Default | Description |
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| `CERTCTL_ENTRUST_API_URL` | Yes | — | Entrust CA Gateway base URL |
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| `CERTCTL_ENTRUST_CLIENT_CERT_PATH` | Yes | — | Path to mTLS client certificate PEM |
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| `CERTCTL_ENTRUST_CLIENT_KEY_PATH` | Yes | — | Path to mTLS client private key PEM |
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| `CERTCTL_ENTRUST_CA_ID` | Yes | — | Certificate Authority ID (from `GET /certificate-authorities`) |
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| `CERTCTL_ENTRUST_PROFILE_ID` | No | — | Optional enrollment profile ID |
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| `CERTCTL_ENTRUST_POLL_MAX_WAIT_SECONDS` | No | `600` (10m) | Bounded-polling deadline for `GetOrderStatus` |
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For approval-pending workflows where humans approve enrollments,
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bump `CERTCTL_ENTRUST_POLL_MAX_WAIT_SECONDS` to `86400` (24h) so a
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single tick can wait through the approval window.
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## Authentication
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Mutual TLS — the client certificate and key are loaded via
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`tls.LoadX509KeyPair()` and attached to the HTTP transport. No API
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key or token required.
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## Issuance model
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Enrollment via
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`POST /v1/certificate-authorities/{caId}/enrollments`. Returns 200
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with PEM immediately for auto-approved enrollments, or 201
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Accepted with a tracking ID for approval-pending orders.
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`GetOrderStatus` polls the enrollment endpoint.
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## mTLS keypair caching (audit fix #10)
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The parsed client certificate plus a precomputed `*http.Transport`
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are cached on the connector after the first API call. Steady-state
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calls reuse the cached transport — no per-call disk read or
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`tls.X509KeyPair` parse.
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Rotation is picked up automatically via mtime polling: when the
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cert file's mtime advances beyond the last-loaded value, the next
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API call re-parses and rebuilds the transport.
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Operator workflow: `mv -f new.crt /etc/certctl/entrust/client.crt`
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(mtime changes), no process restart required, takes effect on the
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next API call. `os.Stat` errors during rotation surface as
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connector errors rather than silently serving stale credentials.
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## Revocation
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CRL and OCSP are managed by Entrust. certctl records revocations
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locally and notifies Entrust via
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`PUT /v1/certificate-authorities/{caId}/certificates/{serial}/revoke`.
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## Related docs
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- [Connector index](index.md) — interface contract, registry, port/adapter wiring
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- [GlobalSign Atlas HVCA](globalsign.md) — comparable mTLS-authenticated commercial CA
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- [Async CA polling](../protocols/async-ca-polling.md) — the bounded-polling primitive
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- [Approval workflow](../../operator/approval-workflow.md) — certctl-side two-person integrity (separate from Entrust's approval queue)
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