From e990100ddb202c3e1fd01fdca56d3507ddbdc88b Mon Sep 17 00:00:00 2001
From: pespacek <peter.spacek@silabs.com>
Date: Tue, 8 Feb 2022 13:52:28 +0100
Subject: [PATCH] BUGFIX: psa_its_set now rejects UID = 0

Signed-off-by: pespacek <peter.spacek@silabs.com>
---
 library/psa_its_file.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/library/psa_its_file.c b/library/psa_its_file.c
index c4782cdba3..bec32311a1 100644
--- a/library/psa_its_file.c
+++ b/library/psa_its_file.c
@@ -184,6 +184,11 @@ psa_status_t psa_its_set( psa_storage_uid_t uid,
                           const void *p_data,
                           psa_storage_create_flags_t create_flags )
 {
+    if( uid == 0 )
+    {
+        return (PSA_ERROR_INVALID_HANDLE);
+    }
+
     psa_status_t status = PSA_ERROR_STORAGE_FAILURE;
     char filename[PSA_ITS_STORAGE_FILENAME_LENGTH];
     FILE *stream = NULL;