diff --git a/util/RustSdk/RustSdkException.cs b/util/RustSdk/RustSdkException.cs
new file mode 100644
index 0000000000..52cbc3635f
--- /dev/null
+++ b/util/RustSdk/RustSdkException.cs
@@ -0,0 +1,19 @@
+namespace Bit.RustSDK;
+
+/// <summary>
+/// Exception thrown when the Rust SDK operations fail
+/// </summary>
+public class RustSdkException : Exception
+{
+    public RustSdkException() : base("An error occurred in the Rust SDK operation")
+    {
+    }
+
+    public RustSdkException(string message) : base(message)
+    {
+    }
+
+    public RustSdkException(string message, Exception innerException) : base(message, innerException)
+    {
+    }
+}
diff --git a/util/RustSdk/RustSdkService.cs b/util/RustSdk/RustSdkService.cs
new file mode 100644
index 0000000000..dcb139dd0f
--- /dev/null
+++ b/util/RustSdk/RustSdkService.cs
@@ -0,0 +1,83 @@
+using System.Runtime.InteropServices;
+using System.Text;
+
+namespace Bit.RustSDK;
+
+/// <summary>
+/// Service implementation that provides a C# friendly interface to the Rust SDK
+/// </summary>
+public class RustSdkService
+{
+    /// <summary>
+    /// Adds two integers using the native implementation
+    /// </summary>
+    /// <param name="x">First integer</param>
+    /// <param name="y">Second integer</param>
+    /// <returns>The sum of x and y</returns>
+    public int Add(int x, int y)
+    {
+        try
+        {
+            return NativeMethods.my_add(x, y);
+        }
+        catch (Exception ex)
+        {
+            throw new RustSdkException($"Failed to perform addition operation: {ex.Message}", ex);
+        }
+    }
+
+    /// <summary>
+    /// Hashes a password using the native implementation
+    /// </summary>
+    /// <param name="email">User email</param>
+    /// <param name="password">User password</param>
+    /// <returns>The hashed password as a string</returns>
+    /// <exception cref="ArgumentNullException">Thrown when email or password is null</exception>
+    /// <exception cref="ArgumentException">Thrown when email or password is empty</exception>
+    /// <exception cref="RustSdkException">Thrown when the native operation fails</exception>
+    public unsafe string HashPassword(string email, string password)
+    {
+        // Convert strings to null-terminated byte arrays
+        var emailBytes = Encoding.UTF8.GetBytes(email + '\0');
+        var passwordBytes = Encoding.UTF8.GetBytes(password + '\0');
+
+        try
+        {
+            fixed (byte* emailPtr = emailBytes)
+            fixed (byte* passwordPtr = passwordBytes)
+            {
+                var resultPtr = NativeMethods.hash_password(emailPtr, passwordPtr);
+
+                var result = TakeAndDestroyRustString(resultPtr);
+
+                return result;
+            }
+        }
+        catch (RustSdkException)
+        {
+            throw; // Re-throw our custom exceptions
+        }
+        catch (Exception ex)
+        {
+            throw new RustSdkException($"Failed to hash password: {ex.Message}", ex);
+        }
+    }
+
+    private static unsafe string TakeAndDestroyRustString(byte* ptr)
+    {
+        if (ptr == null)
+        {
+            throw new RustSdkException("Pointer is null");
+        }
+
+        var result = Marshal.PtrToStringUTF8((IntPtr)ptr);
+        NativeMethods.free_c_string(ptr);
+
+        if (result == null)
+        {
+            throw new RustSdkException("Failed to convert native result to string");
+        }
+
+        return result;
+    }
+}
diff --git a/util/RustSdk/RustSdkServiceFactory.cs b/util/RustSdk/RustSdkServiceFactory.cs
new file mode 100644
index 0000000000..5a1e44eb22
--- /dev/null
+++ b/util/RustSdk/RustSdkServiceFactory.cs
@@ -0,0 +1,30 @@
+namespace Bit.RustSDK;
+
+/// <summary>
+/// Factory for creating Rust SDK service instances
+/// </summary>
+public static class RustSdkServiceFactory
+{
+    /// <summary>
+    /// Creates a new instance of the Rust SDK service
+    /// </summary>
+    /// <returns>A new IRustSdkService instance</returns>
+    public static RustSdkService Create()
+    {
+        return new RustSdkService();
+    }
+
+    /// <summary>
+    /// Creates a singleton instance of the Rust SDK service (thread-safe)
+    /// </summary>
+    /// <returns>A singleton IRustSdkService instance</returns>
+    public static RustSdkService CreateSingleton()
+    {
+        return SingletonHolder.Instance;
+    }
+
+    private static class SingletonHolder
+    {
+        internal static readonly RustSdkService Instance = new RustSdkService();
+    }
+}
diff --git a/util/RustSdk/rust/src/lib.rs b/util/RustSdk/rust/src/lib.rs
index d6b2fcdfa4..1678944508 100644
--- a/util/RustSdk/rust/src/lib.rs
+++ b/util/RustSdk/rust/src/lib.rs
@@ -1,4 +1,49 @@
+use std::{
+    ffi::{c_char, CStr, CString},
+    num::NonZeroU32,
+};
+
+use bitwarden_crypto::{HashPurpose, Kdf, MasterKey};
+
 #[no_mangle]
 pub extern "C" fn my_add(x: i32, y: i32) -> i32 {
     x + y
 }
+
+/// # Safety
+///
+/// The `email` and `password` pointers must be valid null-terminated C strings.
+/// Both pointers must be non-null and point to valid memory for the duration of the function call.
+#[no_mangle]
+pub unsafe extern "C" fn hash_password(
+    email: *const c_char,
+    password: *const c_char,
+) -> *const c_char {
+    let kdf = Kdf::PBKDF2 {
+        iterations: NonZeroU32::new(600_000).unwrap(),
+    };
+
+    let email = CStr::from_ptr(email).to_str().unwrap();
+    let password = CStr::from_ptr(password).to_str().unwrap();
+
+    let master_key = MasterKey::derive(password, email, &kdf).unwrap();
+
+    let res = master_key
+        .derive_master_key_hash(password.as_bytes(), HashPurpose::ServerAuthorization)
+        .unwrap();
+
+    let res = CString::new(res).unwrap();
+
+    res.into_raw()
+}
+
+/// # Safety
+///
+/// The `str` pointer must be a valid pointer previously returned by `CString::into_raw`
+/// and must not have already been freed. After calling this function, the pointer must not be used again.
+#[no_mangle]
+pub unsafe extern "C" fn free_c_string(str: *mut c_char) {
+    unsafe {
+        drop(CString::from_raw(str));
+    }
+}
diff --git a/util/Seeder/Factories/UserSeeder.cs b/util/Seeder/Factories/UserSeeder.cs
index 9c9d86e8d7..481f214637 100644
--- a/util/Seeder/Factories/UserSeeder.cs
+++ b/util/Seeder/Factories/UserSeeder.cs
@@ -8,12 +8,16 @@ public class UserSeeder
 {
     public static User CreateUser(string email)
     {
+        var nativeService = RustSdkServiceFactory.CreateSingleton();
         Console.WriteLine(NativeMethods.my_add(2, 3));
+
+        var password = nativeService.HashPassword(email, "asdfasdfasdf");
+
         return new User
         {
             Id = Guid.NewGuid(),
             Email = email,
-            MasterPassword = "AQAAAAIAAYagAAAAEBATmF66OHMpHuHKc1CsGZQ1ltHUHyhYK+7e4re3bVFi16SOpLpDfzdFswnvFQs2Rg==",
+            MasterPassword = password,
             SecurityStamp = "4830e359-e150-4eae-be2a-996c81c5e609",
             Key = "2.z/eLKFhd62qy9RzXu3UHgA==|fF6yNupiCIguFKSDTB3DoqcGR0Xu4j+9VlnMyT5F3PaWIcGhzQKIzxdB95nhslaCQv3c63M7LBnvzVo1J9SUN85RMbP/57bP1HvhhU1nvL8=|IQPtf8v7k83MFZEhazSYXSdu98BBU5rqtvC4keVWyHM=",
             PublicKey = "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0Ww2chogqCpaAR7Uw448am4b7vDFXiM5kXjFlGfXBlrAdAqTTggEvTDlMNYqPlCo+mBM6iFmTTUY9rpZBvFskMnKvsvpJ47/fehAH2o2e3Ulv/5NFevaVCMCmpkBDtbMbO1A4a3btdRtCP8DsKWMefHauEpaoLxNTLWnOIZVfCMjsSgx2EvULHAZPTtbFwm4+UVKniM4ds4jvOsD85h4jn2aLs/jWJXFfxN8iVSqEqpC2TBvsPdyHb49xQoWWfF0Z6BiNqeNGKEU9Uos1pjL+kzhEzzSpH31PZT/ufJ/oo4+93wrUt57hb6f0jxiXhwd5yQ+9F6wVwpbfkq0IwhjOwIDAQAB",