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kx: comments say what the fields and functions are

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Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_019aokqJuhjvB3kijXtAg5Ns
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rustdesk
2026-09-22 15:02:44 +08:00
co-authored by Claude Fable 5.1
parent d9f519e915
commit e3452acf59
3 changed files with 15 additions and 27 deletions
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protos/rendezvous.proto
+2 -7
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@@ -9,7 +9,6 @@ message IdPk {
// that swaps SDP fingerprints). Empty for non-WebRTC handshakes.
string dtls_fingerprint = 3;
// Newest key exchange version the signer speaks; absent, i.e. 0, is the original scheme.
// Inside the signed identity so a rendezvous or relay cannot lower it.
uint32 kx_version = 4;
}
@@ -300,11 +299,7 @@ message RendezvousMessage {
HttpProxyResponse http_proxy_response = 28;
IceCandidate ice_candidate = 29;
}
// From the server, on every message after a key exchange: the version it advertised,
// repeated inside the encrypted channel where nothing in transit can alter it. A client that
// was shown a different value in the clear knows the handshake was altered and refuses the
// stream. Every message and not the first alone, so that dropping one frame at a position
// that needs no key to find does not rid an attacker of the check; dropping them all is a
// plain DoS. Absent from servers that predate versions.
// From the server, on every message after a key exchange: the version it advertised.
// Absent from servers that predate versions.
uint32 kx_advertised = 30;
}