Dear TLS working group,
Here’s a duplicate of GitHub issue tlswg/tls13-rfc#21 I opened today,
which somehow disappeared:
Supported Versions are defined as Variants:
struct {
select (Handshake.msg_type) {
case client_hello:
ProtocolVersion versions<2..254>;
case server_hello: /* and HelloRetryRequest */
ProtocolVersion selected_version;
};
} SupportedVersions;
while Key Share is defined as separate Constructed Types:
struct {
KeyShareEntry client_shares<0..2^16-1>;
} KeyShareClientHello;
struct {
NamedGroup selected_group;
} KeyShareHelloRetryRequest;
struct {
KeyShareEntry server_share;
} KeyShareServerHello;
Is there a specific reason for choosing different definition styles?
Is it worth unifying them?
Also, is this mailing list the right place for such questions?
Thanks,
Yishuai Li
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