diff --git a/native/cpp/CommonCpp/CryptoTools/rust-utils/Cargo.toml b/native/cpp/CommonCpp/CryptoTools/rust-utils/Cargo.toml
new file mode 100644
--- /dev/null
+++ b/native/cpp/CommonCpp/CryptoTools/rust-utils/Cargo.toml
@@ -0,0 +1,10 @@
+[package]
+name = "rust-utils"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+rand = "0.8.4"
+regex = "1"
diff --git a/native/cpp/CommonCpp/CryptoTools/rust-utils/src/lib.rs b/native/cpp/CommonCpp/CryptoTools/rust-utils/src/lib.rs
new file mode 100644
--- /dev/null
+++ b/native/cpp/CommonCpp/CryptoTools/rust-utils/src/lib.rs
@@ -0,0 +1,58 @@
+use rand::{distributions::Alphanumeric, Rng};
+use regex::Regex;
+
+#[derive(PartialEq)]
+enum DeviceIDType {
+  KEYSERVER,
+  WEB,
+  MOBILE,
+}
+
+fn generate_device_id(device_type: DeviceIDType) -> String {
+  let suffix: String = rand::thread_rng()
+    .sample_iter(&Alphanumeric)
+    .take(64)
+    .map(char::from)
+    .collect();
+  if device_type == DeviceIDType::KEYSERVER {
+    return "ks:".to_string() + &suffix;
+  } else if device_type == DeviceIDType::WEB {
+    return "web:".to_string() + &suffix;
+  } else if device_type == DeviceIDType::MOBILE {
+    return "mobile:".to_string() + &suffix;
+  } else {
+    panic!("Unhandled DeviceIDType");
+  }
+}
+
+#[cfg(test)]
+mod tests {
+  use super::*;
+
+  #[test]
+  fn ks_works() {
+    let result = generate_device_id(DeviceIDType::KEYSERVER);
+    println!("{}", result);
+    assert!(Regex::new(r"^(ks|mobile|web):[a-zA-Z0-9]{64}$")
+      .unwrap()
+      .is_match(&result));
+  }
+
+  #[test]
+  fn web_works() {
+    let result = generate_device_id(DeviceIDType::WEB);
+    println!("{}", result);
+    assert!(Regex::new(r"^(ks|mobile|web):[a-zA-Z0-9]{64}$")
+      .unwrap()
+      .is_match(&result));
+  }
+
+  #[test]
+  fn moble_works() {
+    let result = generate_device_id(DeviceIDType::MOBILE);
+    println!("{}", result);
+    assert!(Regex::new(r"^(ks|mobile|web):[a-zA-Z0-9]{64}$")
+      .unwrap()
+      .is_match(&result));
+  }
+}