openpgp: Introduce an abstraction for hash contexts.

  - See #302.

1 files changed, 2 insertions, 2 deletions

diff --git a/openpgp/src/crypto/mod.rs b/openpgp/src/crypto/mod.rs
index 8a37e509..36d6e921 100644
--- a/openpgp/src/crypto/mod.rs
+++ b/openpgp/src/crypto/mod.rs
@@ -4,7 +4,7 @@ use std::io::Read;
 use std::ops::{Deref, DerefMut};
 use std::fmt;
 
-use nettle::{self, Random, Yarrow};
+use nettle::{Random, Yarrow};
 
 use constants::HashAlgorithm;
 use Result;
@@ -158,7 +158,7 @@ impl fmt::Debug for Password {
 ///
 /// This is useful when verifying detached signatures.
 pub fn hash_file<R: Read>(reader: R, algos: &[HashAlgorithm])
-    -> Result<Vec<(HashAlgorithm, Box<nettle::Hash>)>>
+    -> Result<Vec<(HashAlgorithm, hash::Context)>>
 {
     use std::mem;