feat: add EST server (RFC 7030) for device certificate enrollment (M23)

Implement Enrollment over Secure Transport protocol with 4 endpoints under
/.well-known/est/ — cacerts (CA chain distribution), simpleenroll (initial
enrollment), simplereenroll (certificate renewal), and csrattrs (CSR
attributes). PKCS#7 certs-only wire format with hand-rolled ASN.1, accepts
both PEM and base64-encoded DER CSRs, configurable issuer and profile
binding, full audit trail. 28 new tests (18 handler + 10 service).

Also includes:
- GetCACertPEM added to issuer connector interface (all 4 issuers updated)
- EST integration tests wired into e2e test suite (13 test cases)
- QA testing guide Part 26 (15 manual EST test cases)
- All docs updated: README, features, architecture, concepts, connectors,
  quickstart, demo-advanced (endpoint counts, MCP wording, agent IDs,
  issuer interface, resource lists, OpenSSL status)

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
Shankar
2026-03-25 15:31:06 -04:00
parent 42fa9c7791
commit e4ba8d4de2
27 changed files with 1807 additions and 20 deletions
+4
View File
@@ -31,6 +31,10 @@ type Connector interface {
// SignOCSPResponse signs an OCSP response for the given certificate serial.
// Returns nil if the issuer does not support OCSP (e.g., ACME).
SignOCSPResponse(ctx context.Context, req OCSPSignRequest) ([]byte, error)
// GetCACertPEM returns the PEM-encoded CA certificate chain for this issuer.
// Used by the EST /cacerts endpoint. Returns empty string if not available.
GetCACertPEM(ctx context.Context) (string, error)
}
// IssuanceRequest contains the parameters for issuing a new certificate.