Evgeny
6717c863e7
- Add ed25519_public_key[32] to NODEINFO struct for pubkey distribution - Add ed25519_public_key[32] to ROUTE_BGP (derived from X25519 privkey at init) - Add ROUTER_FLAG_SIGNED (0x08) to SVC_ROUTE_HDR flags byte - router_send_one_flags: when is_signed, sign [hdr][payload] and append 64-byte sig - etcp_router_recv_cb: verify Ed25519 signature when ROUTER_FLAG_SIGNED set - New API: etcp_router_conn_send_signed() - Drop signed packets if sender node not in routing table or no Ed25519 key - 5 unit tests in test_etcp_router_unit.c covering OK/tampered/unknown/no-key/short