Add ring as optional crypto provider

idevice/Cargo.toml

@@ -13,7 +13,7 @@ keywords = ["lockdownd", "ios"]
 [dependencies]
 tokio = { version = "1.43", features = ["io-util"] }
 tokio-rustls = "0.26"
-rustls = "0.23"
+rustls = { version = "0.23", default-features = false }
 
 plist = { version = "1.7" }
 serde = { version = "1", features = ["derive"] }
@@ -56,6 +56,10 @@ tun-rs = { version = "2.0.8", features = ["async_tokio"] }
 bytes = "1.10.1"
 
 [features]
+default = ["aws-lc"]
+aws-lc = ["rustls/aws-lc-rs"]
+ring = ["rustls/ring"]
+
 afc = ["dep:chrono"]
 amfi = []
 core_device = ["xpc", "dep:uuid"]

idevice/src/lib.rs

@@ -390,9 +390,16 @@ impl Idevice {
         pairing_file: &pairing_file::PairingFile,
     ) -> Result<(), IdeviceError> {
         if CryptoProvider::get_default().is_none() {
-            if let Err(e) =
-                CryptoProvider::install_default(rustls::crypto::aws_lc_rs::default_provider())
-            {
+            let crypto_provider = if cfg!(feature = "ring") {
+                debug!("Using ring crypto backend");
+                rustls::crypto::ring::default_provider()
+            } else if cfg!(feature = "aws-lc") {
+                debug!("Using aws-lc crypto backend");
+                rustls::crypto::aws_lc_rs::default_provider()
+            } else {
+                panic!("No crypto provider compiled in! Use one of the features for idevice to specify a provider");
+            };
+            if let Err(e) = CryptoProvider::install_default(crypto_provider) {
                 // For whatever reason, getting the default provider will return None on iOS at
                 // random. Installing the default provider a second time will return an error, so
                 // we will log it but not propogate it. An issue should be opened with rustls.

tools/Cargo.toml

@@ -93,13 +93,9 @@ path = "src/lockdown.rs"
 name = "restore_service"
 path = "src/restore_service.rs"
 
-[[bin]]
-name = "ioreg"
-path = "src/ioreg.rs"
-
 [dependencies]
 idevice = { path = "../idevice", features = ["full"] }
-tokio = { version = "1.43", features = ["io-util", "macros", "time", "full"] }
+tokio = { version = "1.43", features = ["full"] }
 log = { version = "0.4" }
 env_logger = { version = "0.11" }
 tun-rs = { version = "1.5", features = ["async"] }