Fix, improve and add comments
Signed-off-by: Ronald Cron <ronald.cron@arm.com>
diff --git a/library/ssl_tls13_client.c b/library/ssl_tls13_client.c
index fedb2be..6cf47fe 100644
--- a/library/ssl_tls13_client.c
+++ b/library/ssl_tls13_client.c
@@ -1455,6 +1455,13 @@
return MBEDTLS_ERR_SSL_ILLEGAL_PARAMETER;
}
+ /*
+ * Version 1.2 of the protocol has been negotiated, set the
+ * ssl->keep_current_message flag for the ServerHello to be kept and
+ * parsed as a TLS 1.2 ServerHello. We also change ssl->tls_version to
+ * MBEDTLS_SSL_VERSION_TLS1_2 thus from now on mbedtls_ssl_handshake_step()
+ * will dispatch to the TLS 1.2 state machine.
+ */
ssl->keep_current_message = 1;
ssl->tls_version = MBEDTLS_SSL_VERSION_TLS1_2;
MBEDTLS_SSL_PROC_CHK(mbedtls_ssl_add_hs_msg_to_checksum(ssl,