diff --git a/data/variables.py b/data/variables.py
index 5d7f08e..2b3f6e6 100644
--- a/data/variables.py
+++ b/data/variables.py
@@ -131,6 +131,9 @@
 # User manager variable.
 BMC_USER_URI = OPENBMC_BASE_URI + 'user/'
 
+# The path on the BMC where signed keys are stored.
+ACTIVATION_DIR_PATH = "/etc/activationdata/"
+
 '''
   QEMU HTTPS variable:
 
diff --git a/lib/code_update_utils.robot b/lib/code_update_utils.robot
index fc06b89..cbbd7a5 100644
--- a/lib/code_update_utils.robot
+++ b/lib/code_update_utils.robot
@@ -466,3 +466,10 @@
 
     Should Be True  ${data} == ${value}
     ...  msg=Given attribute value ${data} mismatch ${value}.
+
+
+Image Should Be Signed
+    [Documentation]  Fail if the image is not signed.
+
+    Directory Should Exist  ${ACTIVATION_DIR_PATH}
+    ...  msg=${ACTIVATION_DIR_PATH} does not exist. Therefore, the image is not signed.