Add support for rustls with aws-lc-rs

Cargo.toml

@@ -8,8 +8,10 @@ description = "EPP client library for async Rust"
 repository = "https://github.com/instant-labs/instant-epp"
 
 [features]
-default = ["rustls"]
-rustls = ["tokio-rustls", "rustls-native-certs"]
+default = ["rustls-aws-lc-rs"]
+rustls-aws-lc-rs = ["dep:tokio-rustls", "tokio-rustls/aws-lc-rs", "dep:rustls-native-certs"]
+rustls-ring = ["dep:tokio-rustls", "tokio-rustls/ring", "dep:rustls-native-certs"]
+__rustls = []
 
 [dependencies]
 async-trait = "0.1.52"
@@ -19,7 +21,7 @@ instant-xml = { version = "0.5", features = ["chrono"] }
 rustls-native-certs = { version = "0.8", optional = true }
 serde = { version = "1.0", features = ["derive"] }
 tokio = { version = "1.0", features = ["io-util", "net", "time"] }
-tokio-rustls = { version = "0.26", optional = true, default-features = false, features = ["logging", "ring", "tls12"] }
+tokio-rustls = { version = "0.26", optional = true, default-features = false, features = ["logging", "tls12"] }
 tracing = "0.1.29"
 
 [dev-dependencies]

src/client.rs

@@ -1,6 +1,6 @@
 use std::time::Duration;
 
-#[cfg(feature = "rustls")]
+#[cfg(feature = "__rustls")]
 use tokio_rustls::rustls::pki_types::{CertificateDer, PrivateKeyDer};
 use tracing::{debug, error};
 
@@ -68,7 +68,7 @@ pub struct EppClient<C: Connector> {
     connection: EppConnection<C>,
 }
 
-#[cfg(feature = "rustls")]
+#[cfg(feature = "__rustls")]
 impl EppClient<RustlsConnector> {
     /// Connect to the specified `addr` and `hostname` over TLS
     ///
@@ -205,10 +205,10 @@ impl<C, E> Clone for RequestData<'_, '_, C, E> {
 // Manual impl because this does not depend on whether `C` and `E` are `Copy`
 impl<C, E> Copy for RequestData<'_, '_, C, E> {}
 
-#[cfg(feature = "rustls")]
+#[cfg(feature = "__rustls")]
 pub use rustls_connector::RustlsConnector;
 
-#[cfg(feature = "rustls")]
+#[cfg(feature = "__rustls")]
 mod rustls_connector {
     use std::io;
     use std::sync::Arc;