feat: updates

src/seutil.rs

@@ -10,6 +10,14 @@ pub fn is_support_se() -> bool {
     })
 }
 
+pub fn check_se_supported() -> XResult<()> {
+    if !is_support_se() {
+        simple_error!("Secure Enclave is NOT supported.")
+    } else {
+        Ok(())
+    }
+}
+
 pub fn generate_secure_enclave_p256_keypair(
     sign: bool,
     require_bio: bool,