Iterators over the (rustls) certificates in a CertificateChain

quinn-proto/src/crypto/types.rs

@@ -53,12 +53,9 @@ impl CertificateChain {
         certs.into_iter().collect()
     }
 
-    /// Iterate over the certificates
-    pub fn iter<'a>(&'a self) -> impl Iterator<Item = Certificate> + 'a {
-        self.certs
-            .iter()
-            .cloned()
-            .map(|cert| Certificate { inner: cert })
+    /// An iterator over the certificates in the chain
+    pub fn iter(&self) -> impl Iterator<Item = &rustls::Certificate> {
+        self.certs.iter()
     }
 }
 
@@ -79,6 +76,15 @@ impl From<Vec<rustls::Certificate>> for CertificateChain {
     }
 }
 
+impl IntoIterator for CertificateChain {
+    type Item = rustls::Certificate;
+    type IntoIter = std::vec::IntoIter<rustls::Certificate>;
+
+    fn into_iter(self) -> Self::IntoIter {
+        self.certs.into_iter()
+    }
+}
+
 /// The private key of a TLS certificate to be used by a server
 #[derive(Debug, Clone)]
 pub struct PrivateKey {