Provide QUIC encryption levels.

QUIC wants to know what "encryption level" handshake messages should be
sent at. Provide an ssl_encryption_level_t enum (via BoringSSL) that
defines these (of course quictls decided to make this an
OSSL_ENCRYPTION_LEVEL typedef, so provide that as well).

Wire these through to tls13_record_layer_set_{read,write}_traffic_key() so
that they can be used in upcoming commits.

ok tb@

1 files changed, 5 insertions, 5 deletions

diff --git a/src/lib/libssl/tls13_client.c b/src/lib/libssl/tls13_client.c
index cc01329e51..b1efafdfdd 100644
--- a/src/lib/libssl/tls13_client.c
+++ b/src/lib/libssl/tls13_client.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: tls13_client.c,v 1.96 2022/07/22 14:53:07 tb Exp $ */
+/* $OpenBSD: tls13_client.c,v 1.97 2022/07/24 14:16:29 jsing Exp $ */
 /*
  * Copyright (c) 2018, 2019 Joel Sing <jsing@openbsd.org>
  *
@@ -382,10 +382,10 @@ tls13_client_engage_record_protection(struct tls13_ctx *ctx)
         tls13_record_layer_set_hash(ctx->rl, ctx->hash);
 
         if (!tls13_record_layer_set_read_traffic_key(ctx->rl,
-            &secrets->server_handshake_traffic))
+            &secrets->server_handshake_traffic, ssl_encryption_handshake))
                 goto err;
         if (!tls13_record_layer_set_write_traffic_key(ctx->rl,
-            &secrets->client_handshake_traffic))
+            &secrets->client_handshake_traffic, ssl_encryption_handshake))
                 goto err;
 
         ret = 1;
@@ -801,7 +801,7 @@ tls13_server_finished_recv(struct tls13_ctx *ctx, CBS *cbs)
          * using the server application traffic keys.
          */
         if (!tls13_record_layer_set_read_traffic_key(ctx->rl,
-            &secrets->server_application_traffic))
+            &secrets->server_application_traffic, ssl_encryption_application))
                 goto err;
 
         tls13_record_layer_allow_ccs(ctx->rl, 0);
@@ -1080,5 +1080,5 @@ tls13_client_finished_sent(struct tls13_ctx *ctx)
          * using the client application traffic keys.
          */
         return tls13_record_layer_set_write_traffic_key(ctx->rl,
-            &secrets->client_application_traffic);
+            &secrets->client_application_traffic, ssl_encryption_application);
 }