Initial implementation

src/bin/generate_key.rs

@@ -0,0 +1,9 @@
+use std::path::Path;
+
+use rand::rngs::OsRng;
+
+fn main() {
+    let key = russh::keys::PrivateKey::random(&mut OsRng, russh::keys::Algorithm::Ed25519).unwrap();
+    key.write_openssh_file(Path::new("./key.pem"), russh::keys::ssh_key::LineEnding::LF)
+        .unwrap();
+}