Fix serde for Key and add Key generation methods

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "defguard_wireguard_rs"
-version = "0.5.5"
+version = "0.6.0"
 edition = "2021"
 description = "A unified multi-platform high-level API for managing WireGuard interfaces"
 license = "Apache-2.0"
@@ -14,11 +14,12 @@ categories = ["network-programming"]
 base64 = "0.22"
 log = "0.4"
 serde = { version = "1.0", features = ["derive"] }
-thiserror = "1.0"
+thiserror = "2.0"
+x25519-dalek = { version = "2.0", features = ["getrandom", "static_secrets"] }
 
 [dev-dependencies]
 env_logger = "0.11"
-x25519-dalek = { version = "2.0", features = ["getrandom", "static_secrets"] }
+serde_test = "1.0"
 
 [target.'cfg(target_os = "freebsd")'.dependencies]
 libc = { version = "0.2", default-features = false }

src/bsd/nvlist.rs

@@ -78,7 +78,7 @@ pub enum NvValue<'a> {
     // NvListAUp,
 }
 
-impl<'a> NvValue<'a> {
+impl NvValue<'_> {
     /// Return number of bytes this value occupies when packed.
     #[must_use]
     pub fn byte_size(&self) -> usize {
@@ -162,7 +162,7 @@ pub struct NvList<'a> {
     is_big_endian: bool,
 }
 
-impl<'a> Default for NvList<'a> {
+impl Default for NvList<'_> {
     fn default() -> Self {
         Self::new()
     }

src/dependencies.rs

@@ -44,10 +44,9 @@ pub(crate) fn check_external_dependencies() -> Result<(), WireguardInterfaceErro
     });
 
     if let Some(cmd) = missing {
-        return Err(WireguardInterfaceError::MissingDependency(format!(
-            "Command `{}` required by wireguard-rs couldn't be found. The following directories were checked: {paths:?}",
-            cmd
-        )));
+        Err(WireguardInterfaceError::MissingDependency(format!(
+            "Command `{cmd}` required by wireguard-rs couldn't be found. The following directories were checked: {paths:?}"
+        )))
     } else {
         debug!("All commands required by wireguard-rs are available");
         Ok(())