feat(python): ability to not show passphrase coming from host

[no changelog]

python/src/trezorlib/cli/settings.py

@@ -337,3 +337,14 @@ passphrase.aliases = {
     "enabled": passphrase_on,
     "disabled": passphrase_off,
 }
+
+
+@passphrase.command(name="hide")
+@click.argument("hide", type=ChoiceType({"on": True, "off": False}))
+@with_client
+def hide_passphrase_from_host(client: "TrezorClient", hide: bool) -> str:
+    """Enable or disable hiding passphrase coming from host.
+
+    This is a developer feature. Use with caution.
+    """
+    return device.apply_settings(client, hide_passphrase_from_host=hide)

python/src/trezorlib/device.py

@@ -43,6 +43,7 @@ def apply_settings(
     display_rotation: Optional[int] = None,
     safety_checks: Optional[messages.SafetyCheckLevel] = None,
     experimental_features: Optional[bool] = None,
+    hide_passphrase_from_host: Optional[bool] = None,
 ) -> "MessageType":
     settings = messages.ApplySettings(
         label=label,
@@ -54,6 +55,7 @@ def apply_settings(
         display_rotation=display_rotation,
         safety_checks=safety_checks,
         experimental_features=experimental_features,
+        hide_passphrase_from_host=hide_passphrase_from_host,
     )
 
     out = client.call(settings)

python/src/trezorlib/messages.py

@@ -3143,6 +3143,7 @@ class Features(protobuf.MessageType):
         40: protobuf.Field("experimental_features", "bool", repeated=False, required=False, default=None),
         41: protobuf.Field("busy", "bool", repeated=False, required=False, default=None),
         42: protobuf.Field("homescreen_format", "HomescreenFormat", repeated=False, required=False, default=None),
+        43: protobuf.Field("hide_passphrase_from_host", "bool", repeated=False, required=False, default=None),
     }
 
     def __init__(
@@ -3188,6 +3189,7 @@ class Features(protobuf.MessageType):
         experimental_features: Optional["bool"] = None,
         busy: Optional["bool"] = None,
         homescreen_format: Optional["HomescreenFormat"] = None,
+        hide_passphrase_from_host: Optional["bool"] = None,
     ) -> None:
         self.capabilities: Sequence["Capability"] = capabilities if capabilities is not None else []
         self.major_version = major_version
@@ -3229,6 +3231,7 @@ class Features(protobuf.MessageType):
         self.experimental_features = experimental_features
         self.busy = busy
         self.homescreen_format = homescreen_format
+        self.hide_passphrase_from_host = hide_passphrase_from_host
 
 
 class LockDevice(protobuf.MessageType):
@@ -3266,6 +3269,7 @@ class ApplySettings(protobuf.MessageType):
         8: protobuf.Field("passphrase_always_on_device", "bool", repeated=False, required=False, default=None),
         9: protobuf.Field("safety_checks", "SafetyCheckLevel", repeated=False, required=False, default=None),
         10: protobuf.Field("experimental_features", "bool", repeated=False, required=False, default=None),
+        11: protobuf.Field("hide_passphrase_from_host", "bool", repeated=False, required=False, default=None),
     }
 
     def __init__(
@@ -3281,6 +3285,7 @@ class ApplySettings(protobuf.MessageType):
         passphrase_always_on_device: Optional["bool"] = None,
         safety_checks: Optional["SafetyCheckLevel"] = None,
         experimental_features: Optional["bool"] = None,
+        hide_passphrase_from_host: Optional["bool"] = None,
     ) -> None:
         self.language = language
         self.label = label
@@ -3292,6 +3297,7 @@ class ApplySettings(protobuf.MessageType):
         self.passphrase_always_on_device = passphrase_always_on_device
         self.safety_checks = safety_checks
         self.experimental_features = experimental_features
+        self.hide_passphrase_from_host = hide_passphrase_from_host
 
 
 class ApplyFlags(protobuf.MessageType):