diff --git a/Tests/LibMatrix.HomeserverEmulator/Controllers/KeysController.cs b/Tests/LibMatrix.HomeserverEmulator/Controllers/KeysController.cs
new file mode 100644
index 0000000..7898a8c
--- /dev/null
+++ b/Tests/LibMatrix.HomeserverEmulator/Controllers/KeysController.cs
@@ -0,0 +1,103 @@
+// using System.Security.Cryptography;
+// using System.Text.Json.Nodes;
+// using System.Text.Json.Serialization;
+// using LibMatrix.HomeserverEmulator.Services;
+// using LibMatrix.Responses;
+// using LibMatrix.Services;
+// using Microsoft.AspNetCore.Mvc;
+//
+// namespace LibMatrix.HomeserverEmulator.Controllers;
+//
+// [ApiController]
+// [Route("/_matrix/client/{version}/")]
+// public class KeysController(ILogger<KeysController> logger, TokenService tokenService, UserStore userStore) : ControllerBase {
+// [HttpGet("room_keys/version")]
+// public async Task<RoomKeysResponse> GetRoomKeys() {
+// var token = tokenService.GetAccessToken(HttpContext);
+// if (token == null)
+// throw new MatrixException() {
+// ErrorCode = "M_MISSING_TOKEN",
+// Error = "Missing token"
+// };
+//
+// var user = await userStore.GetUserByToken(token);
+// if (user == null)
+// throw new MatrixException() {
+// ErrorCode = "M_UNKNOWN_TOKEN",
+// Error = "No such user"
+// };
+//
+// if (user.RoomKeys is not { Count: > 0 })
+// throw new MatrixException() {
+// ErrorCode = "M_NOT_FOUND",
+// Error = "No keys found"
+// };
+//
+// return user.RoomKeys.Values.Last();
+// }
+//
+// [HttpPost("room_keys/version")]
+// public async Task<RoomKeysResponse> UploadRoomKeys(RoomKeysRequest request) {
+// var token = tokenService.GetAccessToken(HttpContext);
+// if (token == null)
+// throw new MatrixException() {
+// ErrorCode = "M_MISSING_TOKEN",
+// Error = "Missing token"
+// };
+//
+// var user = await userStore.GetUserByToken(token);
+// if (user == null)
+// throw new MatrixException() {
+// ErrorCode = "M_UNKNOWN_TOKEN",
+// Error = "No such user"
+// };
+//
+// var roomKeys = new RoomKeysResponse {
+// Version = Guid.NewGuid().ToString(),
+// Etag = Guid.NewGuid().ToString(),
+// Algorithm = request.Algorithm,
+// AuthData = request.AuthData
+// };
+// user.RoomKeys.Add(roomKeys.Version, roomKeys);
+// return roomKeys;
+// }
+//
+// [HttpPost("keys/device_signing/upload")]
+// public async Task<object> UploadDeviceSigning(JsonObject request) {
+// var token = tokenService.GetAccessToken(HttpContext);
+// if (token == null)
+// throw new MatrixException() {
+// ErrorCode = "M_MISSING_TOKEN",
+// Error = "Missing token"
+// };
+//
+// var user = await userStore.GetUserByToken(token);
+// if (user == null)
+// throw new MatrixException() {
+// ErrorCode = "M_UNKNOWN_TOKEN",
+// Error = "No such user"
+// };
+//
+// return new { };
+// }
+// }
+//
+// public class DeviceSigningRequest {
+// public CrossSigningKey? MasterKey { get; set; }
+// public CrossSigningKey? SelfSigningKey { get; set; }
+// public CrossSigningKey? UserSigningKey { get; set; }
+//
+// public class CrossSigningKey {
+// [JsonPropertyName("keys")]
+// public Dictionary<string, string> Keys { get; set; }
+//
+// [JsonPropertyName("signatures")]
+// public Dictionary<string, Dictionary<string, string>> Signatures { get; set; }
+//
+// [JsonPropertyName("usage")]
+// public List<string> Usage { get; set; }
+//
+// [JsonPropertyName("user_id")]
+// public string UserId { get; set; }
+// }
+// }
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