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T

Johnathan Corgan d41009b778 SessionDatagram redesign: add src_addr, reclassify error signals

Add src_addr to SessionDatagram envelope (34-byte header: msg_type +
src_addr + dest_addr + hop_limit) so transit routers can route error
signals back to the packet's originator.

Reclassify CoordsRequired/PathBroken as link-layer error signals
(plaintext inside SessionDatagram) rather than e2e encrypted session
messages. Transit routers generate these when forwarding fails and
route them to src_addr; if source is also unreachable, drop silently.

Remove redundant src_addr/dest_addr/hop_limit from SessionSetup,
SessionAck, and DataPacket (now in envelope). DataPacket header
reduced from 36 to 4 bytes. Remove PathBroken.original_src.

Fix routing loop vulnerability: gate bloom filter path on having
cached dest_coords to prevent blind forwarding between peers.
Simplify select_best_candidate() to require coordinates.

Fix gossip protocol type codes (0x11->0x20, 0x12->0x30, 0x13->0x31)
for consistency across all design docs.

All 5 design docs updated and cross-checked for consistency.
335 tests pass, zero warnings.

2026-02-12 11:32:45 +00:00

docs

SessionDatagram redesign: add src_addr, reclassify error signals

2026-02-12 11:32:45 +00:00

src

SessionDatagram redesign: add src_addr, reclassify error signals

2026-02-12 11:32:45 +00:00

.gitignore

Add identity module with NodeId, FipsAddress, and auth challenge

2026-01-24 23:57:48 +00:00

Cargo.lock

Session 46: Noise IK peer authentication implementation