diff --git a/src/filestore/hash_output.rs b/src/filestore/hash_output.rs
index dc59480..b34f030 100644
--- a/src/filestore/hash_output.rs
+++ b/src/filestore/hash_output.rs
@@ -25,6 +25,10 @@ impl HashOutput {
         }
     }
 
+    pub fn from_bytes(bytes: [u8; 32]) -> HashOutput {
+        HashOutput(bytes)
+    }
+
     pub fn to_pathbuf<P: AsRef<Path>>(&self, base: P) -> PathBuf {
         let s = hex::encode(self.0);
         let mut output: PathBuf = PathBuf::new();