Provide struct/functions for handling TLSv1.3 key shares.

Pull out the key share handling code and provide a clean/self contained
interface. This will make it easier to support groups other than X25519.

ok beck@ inoguchi@ tb@

1 files changed, 2 insertions, 6 deletions

diff --git a/src/lib/libssl/ssl_locl.h b/src/lib/libssl/ssl_locl.h
index 5ff6f39b45..476381c165 100644
--- a/src/lib/libssl/ssl_locl.h
+++ b/src/lib/libssl/ssl_locl.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: ssl_locl.h,v 1.258 2020/01/30 16:25:09 jsing Exp $ */
+/* $OpenBSD: ssl_locl.h,v 1.259 2020/01/30 17:09:23 jsing Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -458,11 +458,7 @@ typedef struct ssl_handshake_tls13_st {
         /* Version proposed by peer server. */
         uint16_t server_version;
 
-        /* X25519 key share. */
-        uint8_t *x25519_public;
-        uint8_t *x25519_private;
-        uint8_t *x25519_peer_public;
-
+        struct tls13_key_share *key_share;
         struct tls13_secrets *secrets;
 
         uint8_t *cookie;