Fixed KeySharesParams reset on subsequent ApplyPreset calls

Psiphon-Labs · Nov 7, 2024 · b5539d8 · b5539d8
1 parent 443a34d
commit b5539d8
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/u_parrots.go b/u_parrots.go
@@ -2636,7 +2636,9 @@ func (uconn *UConn) ApplyPreset(p *ClientHelloSpec) error {
 	} else if kemKey, ok := clientKeySharePrivate.(*kemPrivateKey); ok {
 		uconn.HandshakeState.State13.KEMKey = kemKey.ToPublic()
 	}
-	uconn.HandshakeState.State13.KeySharesParams = NewKeySharesParameters()
+	if uconn.HandshakeState.State13.KeySharesParams == nil {
+		uconn.HandshakeState.State13.KeySharesParams = NewKeySharesParameters()
+	}
 	hello := uconn.HandshakeState.Hello
 
 	switch len(hello.Random) {