diff --git a/src/digest_engine.rs b/src/digest_engine.rs
index e3ad9a9..405f292 100644
--- a/src/digest_engine.rs
+++ b/src/digest_engine.rs
@@ -83,3 +83,7 @@ pub fn default_digest_type() -> DigestType {
     }
     default
 }
+
+pub fn get_digest_type_meta(digest_type: DigestType) -> String {
+    format!("digest_{}", digest_type.to_string().to_lowercase())
+}