Add device password change functionality

CMakeLists.txt

@@ -96,7 +96,7 @@ endif()
 #
 # Versions MUST contain three parts and start with lowercase 'v'.
 # Example 'v1.0.0'. They MUST not contain a pre-release label such as '-beta'.
-set(FIRMWARE_VERSION "v9.24.0")
+set(FIRMWARE_VERSION "v9.25.0")
 set(BOOTLOADER_VERSION "v1.1.2")
 
 find_package(PythonInterp 3.6 REQUIRED)

messages/bitbox02_system.proto

@@ -66,3 +66,6 @@ message SetDeviceNameRequest {
 message SetPasswordRequest {
     bytes entropy = 1;
 }
+
+message ChangePasswordRequest{
+}

messages/hww.proto

@@ -69,6 +69,7 @@ message Request {
         CardanoRequest cardano = 27;
         BIP85Request bip85 = 28;
         BluetoothRequest bluetooth = 29;
+        ChangePasswordRequest change_password = 30;
     }
 }
 

py/bitbox02/bitbox02/bitbox02/bitbox02.py

@@ -212,6 +212,17 @@ def set_password(self, entropy_size: int = 32) -> bool:
             raise
         return True
 
+    def change_password(self) -> None:
+        """
+        Returns True if the user changes password successfully by
+        unlocking with old password and entering and confirming new password.
+        Raises a Bitbox02Exception on failure.
+        """
+        # pylint: disable=no-member
+        request = hww.Request()
+        request.change_password.CopyFrom(bitbox02_system.ChangePasswordRequest())
+        self._msg_query(request, expected_response="success")
+
     def create_backup(self) -> bool:
         """
         Returns True if the backup was created successfully.

py/bitbox02/bitbox02/communication/generated/bitbox02_system_pb2.pyi

@@ -208,3 +208,13 @@ class SetPasswordRequest(google.protobuf.message.Message):
     def ClearField(self, field_name: typing.Literal["entropy", b"entropy"]) -> None: ...
 
 global___SetPasswordRequest = SetPasswordRequest
+
+@typing.final
+class ChangePasswordRequest(google.protobuf.message.Message):
+    DESCRIPTOR: google.protobuf.descriptor.Descriptor
+
+    def __init__(
+        self,
+    ) -> None: ...
+
+global___ChangePasswordRequest = ChangePasswordRequest