Derive Clone on all types

src/curve/curve25519.rs

@@ -19,7 +19,7 @@ const PRIVATE_KEY_LENGTH: usize = 32;
 const PUBLIC_KEY_LENGTH: usize = 32;
 const SIGNATURE_LENGTH: usize = 64;
 
-#[derive(Debug)]
+#[derive(Debug, Clone)]
 pub struct KeyPair {
     public_key: [u8; PUBLIC_KEY_LENGTH],
     private_key: [u8; PRIVATE_KEY_LENGTH],

src/fingerprint.rs

@@ -13,7 +13,7 @@ use sha2::{digest::Digest, Sha512};
 use std::fmt;
 use subtle::ConstantTimeEq;
 
-#[derive(Debug)]
+#[derive(Debug, Clone)]
 pub struct DisplayableFingerprint {
     local: String,
     remote: String,
@@ -65,7 +65,7 @@ impl DisplayableFingerprint {
     }
 }
 
-#[derive(Debug)]
+#[derive(Debug, Clone)]
 pub struct ScannableFingerprint {
     version: u32,
     local_fingerprint: Vec<u8>,
@@ -142,7 +142,7 @@ impl ScannableFingerprint {
     }
 }
 
-#[derive(Debug)]
+#[derive(Debug, Clone)]
 pub struct Fingerprint {
     pub display: DisplayableFingerprint,
     pub scannable: ScannableFingerprint,

src/sender_keys.rs

@@ -44,7 +44,7 @@ impl SenderKeyName {
     }
 }
 
-#[derive(Debug)]
+#[derive(Debug, Clone)]
 pub struct SenderMessageKey {
     iteration: u32,
     iv: Vec<u8>,

src/state/bundle.rs

@@ -11,7 +11,7 @@ use crate::IdentityKey;
 use crate::error::{Result, SignalProtocolError};
 use crate::state::{PreKeyId, SignedPreKeyId};
 
-#[derive(Debug)]
+#[derive(Debug, Clone)]
 pub struct PreKeyBundle {
     registration_id: u32,
     device_id: u32,

src/state/session.rs

@@ -19,7 +19,7 @@ use prost::Message;
 use std::collections::VecDeque;
 use std::iter::FromIterator;
 
-#[derive(Debug)]
+#[derive(Debug, Clone)]
 pub struct UnacknowledgedPreKeyMessageItems {
     pre_key_id: Option<u32>,
     signed_pre_key_id: u32,