[crypto] Fix a bug that may output incorrect cmac values for small fi…

…les (#342)
apache · Jun 6, 2020 · 9ca556a · 9ca556a
1 parent 40fed0c
commit 9ca556a
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/crypto/src/lib.rs b/crypto/src/lib.rs
@@ -212,6 +212,7 @@ impl TeaclaveFile128Key {
         use std::io::Write;
         let mut file = ProtectedFile::create_ex(path.as_ref(), &self.key)?;
         file.write_all(content)?;
+        file.flush()?;
         let cmac = file.current_meta_gmac()?;
         Ok(cmac)
     }