diff --git a/src/hashutils.rs b/src/hashutils.rs
index 865d8d5..ae6fb2a 100644
--- a/src/hashutils.rs
+++ b/src/hashutils.rs
@@ -1,5 +1,5 @@
 
-use ring::digest::{ Algorithm, Context };
+use ring::digest::{ Algorithm, digest };
 
 /// The sole purpose of this trait is to extend the standard
 /// `ring::algo::Algorithm` type with a couple utility functions.
@@ -15,16 +15,12 @@ pub trait HashUtils {
 impl HashUtils for Algorithm {
 
     fn hash_bytes(&'static self, bytes: &[u8]) -> Vec<u8> {
-        let mut context = Context::new(self);
-        context.update(bytes);
-        context.finish().as_ref().into()
+        digest(self, bytes).as_ref().into()
     }
 
     fn combine_hashes(&'static self, left: &[u8], right: &[u8]) -> Vec<u8> {
-        let mut context = Context::new(self);
         let combined = [left, right].concat();
-        context.update(&combined);
-        context.finish().as_ref().into()
+        digest(self, &combined).as_ref().into()
     }
 }