openpgp: Introduce an abstraction for hash contexts.

  - See #302.

2 files changed, 1 insertions, 5 deletions

diff --git a/openpgp/src/parse/hashed_reader.rs b/openpgp/src/parse/hashed_reader.rs
index 6e4f646b..f9df0a4d 100644
--- a/openpgp/src/parse/hashed_reader.rs
+++ b/openpgp/src/parse/hashed_reader.rs
@@ -3,8 +3,6 @@ use std::cmp;
 use std::mem;
 use std::fmt;
 
-use nettle::Hash;
-
 use buffered_reader::BufferedReader;
 use buffered_reader::buffered_reader_generic_read_impl;
 
diff --git a/openpgp/src/parse/parse.rs b/openpgp/src/parse/parse.rs
index d2e8fda4..200c1fe0 100644
--- a/openpgp/src/parse/parse.rs
+++ b/openpgp/src/parse/parse.rs
@@ -10,8 +10,6 @@ use std::path::Path;
 use time;
 use failure;
 
-use nettle;
-
 use ::buffered_reader::*;
 
 use {
@@ -478,7 +476,7 @@ pub(crate) struct SignatureGroup {
     ops_count: usize,
 
     /// Maps hash algorithms to hash contexts.
-    pub(crate) hashes: HashMap<HashAlgorithm, Box<nettle::Hash>>,
+    pub(crate) hashes: HashMap<HashAlgorithm, crypto::hash::Context>,
 }
 
 impl fmt::Debug for SignatureGroup {