From 354f62227430cb6b28240add2949ad7c94cf17bf Mon Sep 17 00:00:00 2001
From: Jiaqi Gao <jiaqi.gao@intel.com>
Date: Wed, 9 Aug 2023 08:37:09 -0400
Subject: [PATCH] readme: document source of sgx root ca

Signed-off-by: Jiaqi Gao <jiaqi.gao@intel.com>
---
 readme.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/readme.md b/readme.md
index 9f46e0a4..bccd8c04 100644
--- a/readme.md
+++ b/readme.md
@@ -89,6 +89,7 @@ To specify the root certificate to be enrolled, you can use the `--root-ca` argu
 ```
 cargo image --root-ca /path/to/cert
 ```
+Note: SGX SBX Root CA can be downloaded at https://sbx-certificates.trustedservices.intel.com/Intel_SGX_Provisioning_Certification_RootCA.cer
 
 To specify the policy file to be enrolled, you can use the `--policy` argument:
 ```