diff --git a/crates/utils/tcbinfo-updater/src/main.rs b/crates/utils/tcbinfo-updater/src/main.rs
index 1a19362..75f7587 100644
--- a/crates/utils/tcbinfo-updater/src/main.rs
+++ b/crates/utils/tcbinfo-updater/src/main.rs
@@ -64,7 +64,7 @@ async fn upsert_tcbinfo() -> Result<(), &'static str>  {
     
     for fmspc in fmspc_list {
         let tcbinfo = get_tcbinfo(fmspc.clone(), "standard".to_string()).await;
-        verify_signature(tcbinfo.clone(), key);
+        assert!(verify_signature(tcbinfo.clone(), key));
         let store_entry = &store[&fmspc];
         if *store_entry != tcbinfo {
             println!("updating local TCBInfo for FMSPC: {fmspc}");
@@ -97,14 +97,16 @@ async fn upsert_tcbinfo() -> Result<(), &'static str>  {
     //   }
 }
 
-fn verify_signature (tcbinfo: Value, key: VerifyingKey)  {
+fn verify_signature (tcbinfo: Value, key: VerifyingKey) -> bool  {
     let tcbinfo_str = tcbinfo.as_str();
     if let Some(st) = tcbinfo_str {
     let signed_tcbinfo = SignedTcbInfo::try_from(st).expect("tcbinfo string parsing failed");
-      signed_tcbinfo.verify(Some(&key), None).expect("could not verify signature");
+        signed_tcbinfo.verify(Some(&key), None).expect("could not verify signature");
+        true
     }
     else {
-            println!("{tcbinfo:?}");
+        println!("{tcbinfo:?}");
+        false
     }
     
 }