Files
metacrypt/deploy/examples/metacrypt.toml
Kyle Isom 8f77050a84 Implement CA/PKI engine with two-tier X.509 certificate issuance
Add the first concrete engine implementation: a CA (PKI) engine that generates
a self-signed root CA at mount time, issues scoped intermediate CAs ("issuers"),
and signs leaf certificates using configurable profiles (server, client, peer).

Engine framework updates:
- Add CallerInfo struct for auth context in engine requests
- Add config parameter to Engine.Initialize for mount-time configuration
- Export Mount.Engine field; add GetEngine/GetMount on Registry

CA engine (internal/engine/ca/):
- Two-tier PKI: root CA → issuers → leaf certificates
- 10 operations: get-root, get-chain, get-issuer, create/delete/list issuers,
  issue, get-cert, list-certs, renew
- Certificate profiles with user-overridable TTL, key usages, and key algorithm
- Private keys never stored in barrier; zeroized from memory on seal
- Supports ECDSA, RSA, and Ed25519 key types via goutils/certlib/certgen

Server routes:
- Wire up engine mount/request handlers (replace Phase 1 stubs)
- Add public PKI routes (/v1/pki/{mount}/ca, /ca/chain, /issuer/{name})
  for unauthenticated TLS trust bootstrapping

Also includes: ARCHITECTURE.md, deploy config updates, operational tooling.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-14 21:57:52 -07:00

39 lines
1.3 KiB
TOML

# Metacrypt production configuration
# Copy to /srv/metacrypt/metacrypt.toml and adjust for your environment.
[server]
# Address to listen on. Use "0.0.0.0:8443" to listen on all interfaces.
listen_addr = ":8443"
# TLS certificate and key. Metacrypt always terminates TLS.
tls_cert = "/srv/metacrypt/certs/server.crt"
tls_key = "/srv/metacrypt/certs/server.key"
[database]
# SQLite database path. Created automatically on first run.
# The directory must be writable by the metacrypt user.
path = "/srv/metacrypt/metacrypt.db"
[mcias]
# MCIAS server URL for authentication.
server_url = "https://mcias.metacircular.net:8443"
# CA certificate for verifying the MCIAS server's TLS certificate.
# Omit if MCIAS uses a publicly trusted certificate.
# ca_cert = "/srv/metacrypt/certs/mcias-ca.crt"
[seal]
# Argon2id parameters for key derivation.
# These are applied during initialization and stored alongside the encrypted
# master key. Changing them here after init has no effect.
#
# Defaults are tuned for server hardware (3 iterations, 128 MiB, 4 threads).
# Increase argon2_memory on machines with more RAM for stronger protection.
# argon2_time = 3
# argon2_memory = 131072 # KiB (128 MiB)
# argon2_threads = 4
[log]
# Log level: debug, info, warn, error
level = "info"