Replace Vec in Key with GenericArray

src/key_exchange/tripledh.rs

@@ -209,29 +209,29 @@ impl<D: Hash, G: Group> KeyExchange<D, G> for TripleDH {
 
 /// The client state produced after the first key exchange message
 #[cfg_attr(feature = "serialize", derive(serde::Deserialize, serde::Serialize))]
-pub struct Ke1State<G> {
+pub struct Ke1State<G: Group> {
     client_e_sk: PrivateKey<G>,
     client_nonce: GenericArray<u8, NonceLen>,
 }
 
 impl_clone_for!(
-    struct Ke1State<G>,
+    struct Ke1State<G: Group>,
     [client_e_sk, client_nonce],
 );
 impl_debug_eq_hash_for!(
-    struct Ke1State<G>,
+    struct Ke1State<G: Group>,
     [client_e_sk, client_nonce],
 );
 
 // This can't be derived because of the use of a generic parameter
-impl<G> Zeroize for Ke1State<G> {
+impl<G: Group> Zeroize for Ke1State<G> {
     fn zeroize(&mut self) {
         self.client_e_sk.zeroize();
         self.client_nonce.zeroize();
     }
 }
 
-impl<G> Drop for Ke1State<G> {
+impl<G: Group> Drop for Ke1State<G> {
     fn drop(&mut self) {
         self.zeroize();
     }
@@ -240,7 +240,7 @@ impl<G> Drop for Ke1State<G> {
 /// The first key exchange message
 #[derive(PartialEq, Eq, Debug, Hash, Clone)]
 #[cfg_attr(feature = "serialize", derive(serde::Deserialize, serde::Serialize))]
-pub struct Ke1Message<G> {
+pub struct Ke1Message<G: Group> {
     pub(crate) client_nonce: GenericArray<u8, NonceLen>,
     pub(crate) client_e_pk: PublicKey<G>,
 }
@@ -344,7 +344,7 @@ impl<HashLen: ArrayLength<u8>> ToBytesWithPointers for Ke2State<HashLen> {
 #[derive(Clone, Debug, Eq, Hash, PartialEq)]
 #[cfg_attr(feature = "serialize", derive(serde::Deserialize, serde::Serialize))]
 #[cfg_attr(feature = "serialize", serde(bound = ""))]
-pub struct Ke2Message<G, HashLen: ArrayLength<u8>> {
+pub struct Ke2Message<G: Group, HashLen: ArrayLength<u8>> {
     server_nonce: GenericArray<u8, NonceLen>,
     server_e_pk: PublicKey<G>,
     mac: GenericArray<u8, HashLen>,
@@ -408,7 +408,7 @@ impl<G: Group, HashLen: ArrayLength<u8>> FromBytes for Ke2Message<G, HashLen> {
 
 #[allow(clippy::upper_case_acronyms)]
 // The triple of public and private components used in the 3DH computation
-struct TripleDHComponents<G> {
+struct TripleDHComponents<G: Group> {
     pk1: PublicKey<G>,
     sk1: PrivateKey<G>,
     pk2: PublicKey<G>,