From 5ed5e90ec48e700a9bc17eb264e62c05e5ccbc15 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Manuel=20P=C3=A9gouri=C3=A9-Gonnard?=
 <manuel.pegourie-gonnard@arm.com>
Date: Tue, 30 Apr 2019 11:41:40 +0200
Subject: [PATCH] Start splitting populate_transform() out of derive_keys()

This is currently a dummy, just introducing the new name.
---
 library/ssl_tls.c | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/library/ssl_tls.c b/library/ssl_tls.c
index 1ae28f760..5c4d30427 100644
--- a/library/ssl_tls.c
+++ b/library/ssl_tls.c
@@ -607,7 +607,13 @@ static void ssl_calc_finished_tls_sha384( mbedtls_ssl_context *, unsigned char *
 #endif
 #endif /* MBEDTLS_SSL_PROTO_TLS1_2 */
 
-int mbedtls_ssl_derive_keys( mbedtls_ssl_context *ssl )
+/*
+ * This function will ultimetaly only be responsible for populating a
+ * transform structure from data passed as explicit parameters.
+ *
+ * For now however it's doing rather more in a rather less explicit way.
+ */
+static int ssl_populate_transform( mbedtls_ssl_context *ssl )
 {
     int ret = 0;
     unsigned char tmp[64];
@@ -1142,6 +1148,11 @@ int mbedtls_ssl_derive_keys( mbedtls_ssl_context *ssl )
     return( 0 );
 }
 
+int mbedtls_ssl_derive_keys( mbedtls_ssl_context *ssl )
+{
+    return( ssl_populate_transform( ssl ) );
+}
+
 #if defined(MBEDTLS_SSL_PROTO_SSL3)
 void ssl_calc_verify_ssl( mbedtls_ssl_context *ssl, unsigned char hash[36] )
 {