From e881b2cabd5a2ca1fd22a9d548dbd00cc28314a6 Mon Sep 17 00:00:00 2001
From: Tejasv Sharma <tejasvonly@gmail.com>
Date: Mon, 22 May 2023 16:32:15 +0530
Subject: [PATCH] feat: add device auth error message

---
 proto/manager/auth_device.proto | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/proto/manager/auth_device.proto b/proto/manager/auth_device.proto
index 434addc..8ddcd29 100644
--- a/proto/manager/auth_device.proto
+++ b/proto/manager/auth_device.proto
@@ -24,6 +24,18 @@ package manager;
  * AuthDeviceResult           =>
  */
 
+/**
+ * Example of error in authentication
+ *
+ *        Host                       Device
+ * AuthDeviceInitiateRequest  => 
+ *                            <= AuthDeviceChallengeSigResponse
+ * ------------------------------------------------
+ *                            <= AuthDeviceSerialSigResponse
+ * AuthDeviceResult           =>
+ *                            <= AuthDeviceChallengeSigResponse
+ */
+
 enum AuthDeviceStatus {
   AUTH_DEVICE_STATUS_INIT = 0;
   AUTH_DEVICE_STATUS_USER_CONFIRMED = 1;
@@ -63,11 +75,22 @@ message AuthDeviceRequest {
   }
 }
 
+enum AuthDeviceErrorType {
+  AUTH_DEVICE_ERROR_TYPE_NONE = 0;
+  ATECC_RETRIES_EXCEEDED = 1;
+  SIGNATURE_VERIFICATION_FAILED = 2;
+}
+
+message AuthDeviceErrorResponse {
+  AuthDeviceErrorType type = 1 ;
+}
+
 message AuthDeviceResponse {
   oneof response {
     AuthDeviceSerialSigResponse serial_signature = 1;
     AuthDeviceChallengeSigResponse challenge_signature = 2;
 
     error.CommonError common_error = 3;
+    AuthDeviceErrorResponse error = 4;
   }
 }