1 files changed, 14 insertions, 9 deletions
diff --git a/openpgp/src/crypto/mpi.rs b/openpgp/src/crypto/mpi.rs
index 8f9cfb2a..9eac133b 100644
--- a/openpgp/src/crypto/mpi.rs
+++ b/openpgp/src/crypto/mpi.rs
@@ -17,6 +17,7 @@
 
 use std::fmt;
 use std::cmp::Ordering;
+use std::io::Write;
 
 #[cfg(test)]
 use quickcheck::{Arbitrary, Gen};
@@ -237,7 +238,7 @@ impl fmt::Debug for MPI {
 }
 
 impl Hash for MPI {
-    fn hash(&self, hash: &mut hash::Context) {
+    fn hash(&self, hash: &mut dyn hash::Digest) {
         let len = self.bits() as u16;
 
         hash.update(&len.to_be_bytes());
@@ -545,8 +546,9 @@ impl PublicKey {
 }
 
 impl Hash for PublicKey {
-    fn hash(&self, hash: &mut hash::Context) {
-        self.serialize(hash).expect("hashing does not fail")
+    fn hash(&self, mut hash: &mut dyn hash::Digest) {
+        self.serialize(&mut hash as &mut dyn Write)
+            .expect("hashing does not fail")
     }
 }
 
@@ -806,8 +808,9 @@ impl SecretKeyMaterial {
 }
 
 impl Hash for SecretKeyMaterial {
-    fn hash(&self, hash: &mut hash::Context) {
-        self.serialize(hash).expect("hashing does not fail")
+    fn hash(&self, mut hash: &mut dyn hash::Digest) {
+        self.serialize(&mut hash as &mut dyn Write)
+            .expect("hashing does not fail")
     }
 }
 
@@ -930,8 +933,9 @@ impl Ciphertext {
 }
 
 impl Hash for Ciphertext {
-    fn hash(&self, hash: &mut hash::Context) {
-        self.serialize(hash).expect("hashing does not fail")
+    fn hash(&self, mut hash: &mut dyn hash::Digest) {
+        self.serialize(&mut hash as &mut dyn Write)
+            .expect("hashing does not fail")
     }
 }
 
@@ -1021,8 +1025,9 @@ pub enum Signature {
 }
 
 impl Hash for Signature {
-    fn hash(&self, hash: &mut hash::Context) {
-        self.serialize(hash).expect("hashing does not fail")
+    fn hash(&self, mut hash: &mut dyn hash::Digest) {
+        self.serialize(&mut hash as &mut dyn Write)
+            .expect("hashing does not fail")
     }
 }