commit 9e42f6efd36a661f177da276487a5242fd1006fc
author Jerry Yu <jerry.h.yu@arm.com> Fri Aug 27 15:14:01 2021 +0800
committer Jerry Yu <jerry.h.yu@arm.com> Fri Sep 03 16:29:20 2021 +0800
tree c783270866f68d70ba7014065eccf46208034b08
parent d532fe77206296f428aba403416e394bb0a1dc7c

Revert "Move random function check"

This reverts commit cc88b34f7942f57ea0fd27ee4b3e29f49c91f10e.

It causes many test fail. It should be re-considered.

Signed-off-by: Jerry Yu <jerry.h.yu@arm.com>

library/ssl_tls13_client.c

diff --git a/library/ssl_tls13_client.c b/library/ssl_tls13_client.c
index 0a07e06..f5a6e20 100644
--- a/library/ssl_tls13_client.c
+++ b/library/ssl_tls13_client.c
@@ -116,6 +116,12 @@
 {
     int ret;
 
+    if( ssl->conf->f_rng == NULL )
+    {
+        MBEDTLS_SSL_DEBUG_MSG( 1, ( "no RNG provided" ) );
+        return( MBEDTLS_ERR_SSL_NO_RNG );
+    }
+
     if( ( ret = ssl->conf->f_rng( ssl->conf->p_rng,
                                   ssl->handshake->randbytes,
                                   CLIENT_HELLO_RAND_BYTES_LEN ) ) != 0 )