Add log::error! to src/attestation/src/attest.rs

Author: agokarn

src/attestation/src/attest.rs

@@ -92,6 +92,7 @@ pub fn get_quote(td_report: &[u8]) -> Result<Vec<u8>, Error> {
                 &mut quote_size as *mut u32,
             );
             if result != AttestLibError::Success {
+                log::error!("get_quote_inner failed with error: {:?}", result);
                 return Err(Error::GetQuote);
             }
         }
@@ -118,11 +119,17 @@ pub fn verify_quote(quote: &[u8]) -> Result<Vec<u8>, Error> {
             &mut report_verify_size as *mut u32,
         );
         if result != AttestLibError::Success {
+            log::error!("verify_quote_integrity failed with error: {:?}", result);
             return Err(Error::VerifyQuote);
         }
     }
 
     if report_verify_size as usize != TD_VERIFIED_REPORT_SIZE {
+        log::error!(
+            "Invalid report size: expected {}, got {}",
+            TD_VERIFIED_REPORT_SIZE,
+            report_verify_size
+        );
         return Err(Error::InvalidOutput);
     }
 
@@ -154,6 +161,7 @@ pub fn verify_quote_with_collaterals(
             &mut report_verify_size as *mut u32,
         );
         if result != AttestLibError::Success {
+            log::error!("verify_quote_integrity_ex failed with error: {:?}", result);
             return Err(Error::VerifyQuote);
         }
     }