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An ephemeral node wrote the private key of an identity it discards on every restart to fips.key, and overwrote any key already at that path, including an operator's key in the case where persistent: true was forgotten. It now writes only fips.pub, so the running npub stays visible, and holds the private key in memory only. A fips.key found at an ephemeral start is moved aside to fips.key.unused with a warning rather than used or overwritten, so an operator's key is recoverable and a stale key from an earlier release stops being read by fipsctl address. If that name is already taken or the rename fails, the file is left in place, a warning says so, and the start continues. Persistent and explicit-nsec identities are unchanged. The keygen note, the Windows service installer's closing note, and the documentation that described the old write are corrected, including the persistent identity how-to, which told operators to start once in ephemeral mode and then pin the key it wrote.
Reference
Information-oriented technical descriptions for lookup on demand. Reference content describes what is: wire formats, configuration keys, command-line flags, control-socket commands, default values, file paths, exit codes. It is consulted, not read end-to-end.
Reference is austere by design: minimal narrative, no opinions, no guidance on when to use a feature. The "why" lives in design/; the "how do I accomplish X" lives in how-to/.
Available Reference
| Document | Scope |
|---|---|
| wire-formats.md | All FMP and FSP message byte layouts, encapsulation walkthrough |
| configuration.md | Full YAML configuration reference for the daemon and gateway |
| security.md | nftables baseline, peer ACL, cryptographic primitives, rekey defaults, threat-resistance matrix |
| nostr-events.md | Kind 37195 advert, Kind 21059 traversal signaling, Kind 10050 inbox relays |
| transports.md | Per-transport statistics counter inventory |
| control-socket.md | Line-delimited JSON control protocol for the daemon and gateway |
| native-api.md | Native datagram API: the Rust surface, addressing and ports, errno table, ceilings, line protocol, command reference |
| cli-fips.md | fips daemon CLI: options, exit codes, environment, files |
| cli-fipsctl.md | fipsctl control-client: subcommands, options, exit codes |
| cli-fipstop.md | fipstop live-status TUI: tabs, keybindings |
| cli-fips-gateway.md | fips-gateway service CLI: options, exit codes, files |