Install user SecOCKey to params (#34401)

* Install user SecOCKey to params

* Move it to launch_chffrplus.sh/launch

* Move it to card.py

* Basic error check

* Catch Exception to suppress the linter

* Make it local to secOC section

selfdrive/car/card.py

@@ -125,6 +125,15 @@ class Car:
       self.CP.safetyConfigs = [safety_config]
 
     if self.CP.secOcRequired and not self.params.get_bool("IsReleaseBranch"):
+      # Copy user key if available
+      try:
+        with open("/cache/params/SecOCKey") as f:
+          user_key = f.readline().strip()
+          if len(user_key) == 32:
+            self.params.put("SecOCKey", user_key)
+      except Exception:
+        pass
+
       secoc_key = self.params.get("SecOCKey", encoding='utf8')
       if secoc_key is not None:
         saved_secoc_key = bytes.fromhex(secoc_key.strip())