WIP - couple getbool and setbool functions

core/embed/rust/librust_qstr.h

@@ -30,6 +30,15 @@ static void _librust_qstrs(void) {
   MP_QSTR_get_label;
   MP_QSTR_set_label;
   MP_QSTR_get_mnemonic_secret;
+  MP_QSTR_is_passphrase_enabled;
+  MP_QSTR_set_passphrase_enabled;
+  MP_QSTR_get_passphrase_always_on_device;
+  MP_QSTR_set_passphrase_always_on_device;
+  MP_QSTR_unfinished_backup;
+  MP_QSTR_set_unfinished_backup;
+  MP_QSTR_needs_backup;
+  MP_QSTR_set_backed_up;
+  MP_QSTR_no_backup;
 
   MP_QSTR_set_timer_fn;
   MP_QSTR_touch_event;

core/embed/rust/src/storagedevice/storagedevice.rs

@@ -1,5 +1,4 @@
 use crate::{
-    error::Error,
     micropython::{buffer::Buffer, map::Map, module::Module, obj::Obj, qstr::Qstr},
     trezorhal::secbool,
     util,
@@ -7,17 +6,19 @@ use crate::{
 
 use heapless::Vec;
 
-use cstr_core::cstr;
-
 use core::convert::{TryFrom, TryInto};
 
 const FLAG_PUBLIC: u8 = 0x80;
 
 const APP_DEVICE: u8 = 0x01;
 
-// Longest possible entry in storage
+// Longest possible entry in storage (will need to increase because of
+// homescreen)
 const MAX_LEN: usize = 300;
 
+const _FALSE_BYTE: u8 = 0x00;
+const _TRUE_BYTE: u8 = 0x01;
+
 // TODO: transfer this into a struct with field specifying data type and
 // `max_length`, possibly even `is_public`
 // impl get a impl set
@@ -26,7 +27,7 @@ const MAX_LEN: usize = 300;
 const DEVICE_ID: u8 = 0x00;
 const _VERSION: u8 = 0x01;
 const _MNEMONIC_SECRET: u8 = 0x02;
-const _LANGUAGE: u8 = 0x03;
+const _LANGUAGE: u8 = 0x03; // seems it is not used at all
 const _LABEL: u8 = 0x04;
 const _USE_PASSPHRASE: u8 = 0x05;
 const _HOMESCREEN: u8 = 0x06;
@@ -81,11 +82,11 @@ extern "C" fn storagedevice_get_version() -> Obj {
     unsafe { util::try_or_raise(block) }
 }
 
-extern "C" fn storagedevice_set_version(value: Obj) -> Obj {
+extern "C" fn storagedevice_set_version(version: Obj) -> Obj {
     let block = || {
-        let value = Buffer::try_from(value)?;
-        let len = value.len() as u16;
-        let val = value.as_ptr();
+        let version = Buffer::try_from(version)?;
+        let len = version.len() as u16;
+        let val = version.as_ptr();
 
         let key = _get_appkey(_VERSION, false);
         let result = storagedevice_storage_set(key, val, len);
@@ -122,19 +123,19 @@ extern "C" fn storagedevice_get_rotation() -> Obj {
     unsafe { util::try_or_raise(block) }
 }
 
-extern "C" fn storagedevice_set_rotation(value: Obj) -> Obj {
+extern "C" fn storagedevice_set_rotation(rotation: Obj) -> Obj {
     let block = || {
-        let value = u16::try_from(value)?;
+        let rotation = u16::try_from(rotation)?;
 
         // TODO: how to raise a micropython exception?
-        if ![0, 90, 180, 270].contains(&value) {
+        if ![0, 90, 180, 270].contains(&rotation) {
             // return Error::ValueError(cstr!("Not valid rotation"));
         }
 
-        let val = &value.to_be_bytes();
+        let val = &rotation.to_be_bytes();
 
         let key = _get_appkey(_ROTATION, true);
-        let result = storagedevice_storage_set(key, val as *const _, val.len() as u16);
+        let result = storagedevice_storage_set(key, val as *const _, 2);
         Ok(result.into())
     };
     unsafe { util::try_or_raise(block) }
@@ -150,11 +151,11 @@ extern "C" fn storagedevice_get_label() -> Obj {
     unsafe { util::try_or_raise(block) }
 }
 
-extern "C" fn storagedevice_set_label(value: Obj) -> Obj {
+extern "C" fn storagedevice_set_label(label: Obj) -> Obj {
     let block = || {
-        let value = Buffer::try_from(value)?;
-        let len = value.len() as u16;
-        let val = value.as_ptr();
+        let label = Buffer::try_from(label)?;
+        let len = label.len() as u16;
+        let val = label.as_ptr();
 
         let key = _get_appkey(_LABEL, true);
         let result = storagedevice_storage_set(key, val, len);
@@ -173,6 +174,100 @@ extern "C" fn storagedevice_get_mnemonic_secret() -> Obj {
     unsafe { util::try_or_raise(block) }
 }
 
+extern "C" fn storagedevice_is_passphrase_enabled() -> Obj {
+    let block = || {
+        let key = _get_appkey(_USE_PASSPHRASE, false);
+        let result = storagedevice_storage_get_bool(key);
+        Ok(result.into())
+    };
+    unsafe { util::try_or_raise(block) }
+}
+
+extern "C" fn storagedevice_set_passphrase_enabled(enable: Obj) -> Obj {
+    let block = || {
+        let enable = bool::try_from(enable)?;
+
+        let key = _get_appkey(_USE_PASSPHRASE, false);
+        let result = storagedevice_storage_set_bool(key, enable);
+
+        if !enable {
+            // TODO: could we reuse storagedevice_set_passphrase_always_on_device?
+            let key = _get_appkey(_PASSPHRASE_ALWAYS_ON_DEVICE, false);
+            storagedevice_storage_set_bool(key, false);
+        }
+
+        Ok(result.into())
+    };
+    unsafe { util::try_or_raise(block) }
+}
+
+extern "C" fn storagedevice_get_passphrase_always_on_device() -> Obj {
+    let block = || {
+        let key = _get_appkey(_PASSPHRASE_ALWAYS_ON_DEVICE, false);
+        let result = storagedevice_storage_get_bool(key);
+        Ok(result.into())
+    };
+    unsafe { util::try_or_raise(block) }
+}
+
+extern "C" fn storagedevice_set_passphrase_always_on_device(enable: Obj) -> Obj {
+    let block = || {
+        let enable = bool::try_from(enable)?;
+
+        let key = _get_appkey(_PASSPHRASE_ALWAYS_ON_DEVICE, false);
+        let result = storagedevice_storage_set_bool(key, enable);
+        Ok(result.into())
+    };
+    unsafe { util::try_or_raise(block) }
+}
+
+extern "C" fn storagedevice_unfinished_backup() -> Obj {
+    let block = || {
+        let key = _get_appkey(_UNFINISHED_BACKUP, false);
+        let result = storagedevice_storage_get_bool(key);
+        Ok(result.into())
+    };
+    unsafe { util::try_or_raise(block) }
+}
+
+extern "C" fn storagedevice_set_unfinished_backup(state: Obj) -> Obj {
+    let block = || {
+        let state = bool::try_from(state)?;
+
+        let key = _get_appkey(_UNFINISHED_BACKUP, false);
+        let result = storagedevice_storage_set_bool(key, state);
+        Ok(result.into())
+    };
+    unsafe { util::try_or_raise(block) }
+}
+
+extern "C" fn storagedevice_needs_backup() -> Obj {
+    let block = || {
+        let key = _get_appkey(_NEEDS_BACKUP, false);
+        let result = storagedevice_storage_get_bool(key);
+        Ok(result.into())
+    };
+    unsafe { util::try_or_raise(block) }
+}
+
+extern "C" fn storagedevice_set_backed_up() -> Obj {
+    let block = || {
+        let key = _get_appkey(_NEEDS_BACKUP, false);
+        let result = storagedevice_storage_delete(key);
+        Ok(result.into())
+    };
+    unsafe { util::try_or_raise(block) }
+}
+
+extern "C" fn storagedevice_no_backup() -> Obj {
+    let block = || {
+        let key = _get_appkey(_NO_BACKUP, false);
+        let result = storagedevice_storage_get_bool(key);
+        Ok(result.into())
+    };
+    unsafe { util::try_or_raise(block) }
+}
+
 pub fn storagedevice_storage_get(key: u16) -> Vec<u8, MAX_LEN> {
     let mut buf: [u8; MAX_LEN] = [0; MAX_LEN];
     let mut len: u16 = 0;
@@ -189,6 +284,15 @@ pub fn storagedevice_storage_get(key: u16) -> Vec<u8, MAX_LEN> {
     vector_result
 }
 
+pub fn storagedevice_storage_get_bool(key: u16) -> bool {
+    let result = storagedevice_storage_get(key);
+    if result.len() == 1 && result[0] == _TRUE_BYTE {
+        true
+    } else {
+        false
+    }
+}
+
 pub fn storagedevice_storage_set(key: u16, val: *const u8, len: u16) -> bool {
     match unsafe { storage_set(key, val, len) } {
         secbool::TRUE => true,
@@ -196,6 +300,14 @@ pub fn storagedevice_storage_set(key: u16, val: *const u8, len: u16) -> bool {
     }
 }
 
+pub fn storagedevice_storage_set_bool(key: u16, val: bool) -> bool {
+    let val = if val { [_TRUE_BYTE] } else { [_FALSE_BYTE] };
+    match unsafe { storage_set(key, &val as *const _, 1) } {
+        secbool::TRUE => true,
+        _ => false,
+    }
+}
+
 pub fn storagedevice_storage_has(key: u16) -> bool {
     match unsafe { storage_has(key) } {
         secbool::TRUE => true,
@@ -225,6 +337,8 @@ fn _get_appkey(key: u8, is_public: bool) -> u16 {
 pub static mp_module_trezorstoragedevice: Module = obj_module! {
     Qstr::MP_QSTR___name_storage__ => Qstr::MP_QSTR_trezorstoragedevice.to_obj(),
 
+    // TODO: should we return None or True in case of set_xxx?
+
     /// def is_version_stored() -> bool:
     ///     """Whether version is in storage."""
     Qstr::MP_QSTR_is_version_stored => obj_fn_0!(storagedevice_is_version_stored).as_obj(),
@@ -237,7 +351,7 @@ pub static mp_module_trezorstoragedevice: Module = obj_module! {
     ///     """Get version."""
     Qstr::MP_QSTR_get_version => obj_fn_0!(storagedevice_get_version).as_obj(),
 
-    /// def set_version(value: bytes) -> bool:
+    /// def set_version(version: bytes) -> bool:
     ///     """Set version."""
     Qstr::MP_QSTR_set_version => obj_fn_1!(storagedevice_set_version).as_obj(),
 
@@ -245,7 +359,7 @@ pub static mp_module_trezorstoragedevice: Module = obj_module! {
     ///     """Get rotation."""
     Qstr::MP_QSTR_get_rotation => obj_fn_0!(storagedevice_get_rotation).as_obj(),
 
-    /// def set_rotation(value: int) -> bool:
+    /// def set_rotation(rotation: int) -> bool:
     ///     """Set rotation."""
     Qstr::MP_QSTR_set_rotation => obj_fn_1!(storagedevice_set_rotation).as_obj(),
 
@@ -253,13 +367,49 @@ pub static mp_module_trezorstoragedevice: Module = obj_module! {
     ///     """Get label."""
     Qstr::MP_QSTR_get_label => obj_fn_0!(storagedevice_get_label).as_obj(),
 
-    /// def set_label(value: str) -> bool:
+    /// def set_label(label: str) -> bool:
     ///     """Set label."""
     Qstr::MP_QSTR_set_label => obj_fn_1!(storagedevice_set_label).as_obj(),
 
     /// def get_mnemonic_secret() -> bytes:
     ///     """Get mnemonic secret."""
     Qstr::MP_QSTR_get_mnemonic_secret => obj_fn_0!(storagedevice_get_mnemonic_secret).as_obj(),
+
+    /// def is_passphrase_enabled() -> bool:
+    ///     """Whether passphrase is enabled."""
+    Qstr::MP_QSTR_is_passphrase_enabled => obj_fn_0!(storagedevice_is_passphrase_enabled).as_obj(),
+
+    /// def set_passphrase_enabled(enable: bool) -> bool:
+    ///     """Set whether passphrase is enabled."""
+    Qstr::MP_QSTR_set_passphrase_enabled => obj_fn_1!(storagedevice_set_passphrase_enabled).as_obj(),
+
+    /// def get_passphrase_always_on_device() -> bool:
+    ///     """Whether passphrase is on device."""
+    Qstr::MP_QSTR_get_passphrase_always_on_device => obj_fn_0!(storagedevice_get_passphrase_always_on_device).as_obj(),
+
+    /// def set_passphrase_always_on_device(enable: bool) -> bool:
+    ///     """Set whether passphrase is on device."""
+    Qstr::MP_QSTR_set_passphrase_always_on_device => obj_fn_1!(storagedevice_set_passphrase_always_on_device).as_obj(),
+
+    /// def unfinished_backup() -> bool:
+    ///     """Whether backup is still in progress."""
+    Qstr::MP_QSTR_unfinished_backup => obj_fn_0!(storagedevice_unfinished_backup).as_obj(),
+
+    /// def set_unfinished_backup(state: bool) -> bool:
+    ///     """Set backup state."""
+    Qstr::MP_QSTR_set_unfinished_backup => obj_fn_1!(storagedevice_set_unfinished_backup).as_obj(),
+
+    /// def needs_backup() -> bool:
+    ///     """Whether backup is needed."""
+    Qstr::MP_QSTR_needs_backup => obj_fn_0!(storagedevice_needs_backup).as_obj(),
+
+    /// def set_backed_up() -> bool:
+    ///     """Signal that backup is finished."""
+    Qstr::MP_QSTR_set_backed_up => obj_fn_0!(storagedevice_set_backed_up).as_obj(),
+
+    /// def no_backup() -> bool:
+    ///     """Whether there is no backup."""
+    Qstr::MP_QSTR_no_backup => obj_fn_0!(storagedevice_no_backup).as_obj(),
 };
 
 #[cfg(test)]

core/mocks/generated/trezorstoragedevice.pyi

@@ -17,7 +17,7 @@ def get_version() -> bytes:
 
 
 # rust/src/storagedevice/storagedevice.rs
-def set_version(value: bytes) -> bool:
+def set_version(version: bytes) -> bool:
     """Set version."""
 
 
@@ -27,7 +27,7 @@ def get_rotation() -> int:
 
 
 # rust/src/storagedevice/storagedevice.rs
-def set_rotation(value: int) -> bool:
+def set_rotation(rotation: int) -> bool:
     """Set rotation."""
 
 
@@ -37,10 +37,55 @@ def get_label() -> str:
 
 
 # rust/src/storagedevice/storagedevice.rs
-def set_label(value: str) -> bool:
+def set_label(label: str) -> bool:
     """Set label."""
 
 
 # rust/src/storagedevice/storagedevice.rs
 def get_mnemonic_secret() -> bytes:
     """Get mnemonic secret."""
+
+
+# rust/src/storagedevice/storagedevice.rs
+def is_passphrase_enabled() -> bool:
+    """Whether passphrase is enabled."""
+
+
+# rust/src/storagedevice/storagedevice.rs
+def set_passphrase_enabled(enable: bool) -> bool:
+    """Set whether passphrase is enabled."""
+
+
+# rust/src/storagedevice/storagedevice.rs
+def get_passphrase_always_on_device() -> bool:
+    """Whether passphrase is on device."""
+
+
+# rust/src/storagedevice/storagedevice.rs
+def set_passphrase_always_on_device(enable: bool) -> bool:
+    """Set whether passphrase is on device."""
+
+
+# rust/src/storagedevice/storagedevice.rs
+def unfinished_backup() -> bool:
+    """Whether backup is still in progress."""
+
+
+# rust/src/storagedevice/storagedevice.rs
+def set_unfinished_backup(state: bool) -> bool:
+    """Set backup state."""
+
+
+# rust/src/storagedevice/storagedevice.rs
+def needs_backup() -> bool:
+    """Whether backup is needed."""
+
+
+# rust/src/storagedevice/storagedevice.rs
+def set_backed_up() -> bool:
+    """Signal that backup is finished."""
+
+
+# rust/src/storagedevice/storagedevice.rs
+def no_backup() -> bool:
+    """Whether there is no backup."""

core/src/apps/base.py

@@ -81,16 +81,16 @@ def get_features() -> Features:
     # private fields:
     if config.is_unlocked():
         # passphrase_protection is private, see #1807
-        f.passphrase_protection = storage.device.is_passphrase_enabled()
-        f.needs_backup = storage.device.needs_backup()
-        f.unfinished_backup = storage.device.unfinished_backup()
-        f.no_backup = storage.device.no_backup()
+        f.passphrase_protection = storagedevice.is_passphrase_enabled()
+        f.needs_backup = storagedevice.needs_backup()
+        f.unfinished_backup = storagedevice.unfinished_backup()
+        f.no_backup = storagedevice.no_backup()
         f.flags = storage.device.get_flags()
         f.recovery_mode = storage.recovery.is_in_progress()
         f.backup_type = mnemonic.get_type()
         f.sd_protection = storage.sd_salt.is_enabled()
         f.wipe_code_protection = config.has_wipe_code()
-        f.passphrase_always_on_device = storage.device.get_passphrase_always_on_device()
+        f.passphrase_always_on_device = storagedevice.get_passphrase_always_on_device()
         f.safety_checks = safety_checks.read_setting()
         f.auto_lock_delay_ms = storage.device.get_autolock_delay_ms()
         f.display_rotation = storagedevice.get_rotation()

core/src/apps/common/passphrase.py

@@ -1,13 +1,12 @@
 from micropython import const
 
-import storage.device
-from trezor import wire, workflow
+from trezor import storagedevice, wire, workflow
 
 _MAX_PASSPHRASE_LEN = const(50)
 
 
 def is_enabled() -> bool:
-    return storage.device.is_passphrase_enabled()
+    return storagedevice.is_passphrase_enabled()
 
 
 async def get(ctx: wire.Context) -> str:
@@ -19,7 +18,7 @@ async def get(ctx: wire.Context) -> str:
 
 async def _request_from_user(ctx: wire.Context) -> str:
     workflow.close_others()  # request exclusive UI access
-    if storage.device.get_passphrase_always_on_device():
+    if storagedevice.get_passphrase_always_on_device():
         from trezor.ui.layouts import request_passphrase_on_device
 
         passphrase = await request_passphrase_on_device(ctx, _MAX_PASSPHRASE_LEN)

core/src/apps/debug/load_device.py

@@ -42,7 +42,7 @@ async def load_device(ctx: wire.Context, msg: LoadDevice) -> Success:
         needs_backup=msg.needs_backup is True,
         no_backup=msg.no_backup is True,
     )
-    storage.device.set_passphrase_enabled(bool(msg.passphrase_protection))
+    storagedevice.set_passphrase_enabled(bool(msg.passphrase_protection))
     storage.device.set_label(msg.label or "")
     if msg.pin:
         config.change_pin("", msg.pin, None, None)

core/src/apps/homescreen/homescreen.py

@@ -38,11 +38,11 @@ class Homescreen(HomescreenBase):
 
     def do_render(self) -> None:
         # warning bar on top
-        if storagedevice.is_initialized() and storage.device.no_backup():
+        if storagedevice.is_initialized() and storagedevice.no_backup():
             ui.header_error("SEEDLESS")
-        elif storagedevice.is_initialized() and storage.device.unfinished_backup():
+        elif storagedevice.is_initialized() and storagedevice.unfinished_backup():
             ui.header_error("BACKUP FAILED!")
-        elif storagedevice.is_initialized() and storage.device.needs_backup():
+        elif storagedevice.is_initialized() and storagedevice.needs_backup():
             ui.header_warning("NEEDS BACKUP!")
         elif storagedevice.is_initialized() and not config.has_pin():
             ui.header_warning("PIN NOT SET!")

core/src/apps/management/apply_settings.py

@@ -64,15 +64,15 @@ async def apply_settings(ctx: wire.Context, msg: ApplySettings) -> Success:
 
     if msg.use_passphrase is not None:
         await require_confirm_change_passphrase(ctx, msg.use_passphrase)
-        storage.device.set_passphrase_enabled(msg.use_passphrase)
+        storagedevice.set_passphrase_enabled(msg.use_passphrase)
 
     if msg.passphrase_always_on_device is not None:
-        if not storage.device.is_passphrase_enabled():
+        if not storagedevice.is_passphrase_enabled():
             raise wire.DataError("Passphrase is not enabled")
         await require_confirm_change_passphrase_source(
             ctx, msg.passphrase_always_on_device
         )
-        storage.device.set_passphrase_always_on_device(msg.passphrase_always_on_device)
+        storagedevice.set_passphrase_always_on_device(msg.passphrase_always_on_device)
 
     if msg.auto_lock_delay_ms is not None:
         if msg.auto_lock_delay_ms < storage.device.AUTOLOCK_DELAY_MINIMUM:

core/src/apps/management/backup_device.py

@@ -1,7 +1,5 @@
 from typing import TYPE_CHECKING
 
-import storage
-import storage.device
 from trezor import storagedevice, wire
 from trezor.messages import Success
 
@@ -16,19 +14,19 @@ if TYPE_CHECKING:
 async def backup_device(ctx: wire.Context, msg: BackupDevice) -> Success:
     if not storagedevice.is_initialized():
         raise wire.NotInitialized("Device is not initialized")
-    if not storage.device.needs_backup():
+    if not storagedevice.needs_backup():
         raise wire.ProcessError("Seed already backed up")
 
     mnemonic_secret, mnemonic_type = mnemonic.get()
     if mnemonic_secret is None:
         raise RuntimeError
 
-    storage.device.set_unfinished_backup(True)
-    storage.device.set_backed_up()
+    storagedevice.set_unfinished_backup(True)
+    storagedevice.set_backed_up()
 
     await backup_seed(ctx, mnemonic_type, mnemonic_secret)
 
-    storage.device.set_unfinished_backup(False)
+    storagedevice.set_unfinished_backup(False)
 
     await layout.show_backup_success(ctx)
 

core/src/apps/management/recovery_device/__init__.py

@@ -56,7 +56,7 @@ async def recovery_device(ctx: wire.Context, msg: RecoveryDevice) -> Success:
             newpin = await request_pin_confirm(ctx, allow_cancel=False)
             config.change_pin("", newpin, None, None)
 
-        storage.device.set_passphrase_enabled(bool(msg.passphrase_protection))
+        storagedevice.set_passphrase_enabled(bool(msg.passphrase_protection))
         if msg.u2f_counter is not None:
             storage.device.set_u2f_counter(msg.u2f_counter)
         if msg.label is not None:

core/src/apps/management/reset_device/__init__.py

@@ -85,7 +85,7 @@ async def reset_device(ctx: wire.Context, msg: ResetDevice) -> Success:
     # write settings and master secret into storage
     if msg.label is not None:
         storage.device.set_label(msg.label)
-    storage.device.set_passphrase_enabled(bool(msg.passphrase_protection))
+    storagedevice.set_passphrase_enabled(bool(msg.passphrase_protection))
     storage.device.store_mnemonic_secret(
         secret,  # for SLIP-39, this is the EMS
         msg.backup_type,

core/src/storage/device.py

@@ -138,14 +138,14 @@ def get_backup_type() -> BackupType:
     return backup_type  # type: ignore [int-into-enum]
 
 
-def is_passphrase_enabled() -> bool:
-    return common.get_bool(_NAMESPACE, _USE_PASSPHRASE)
+# def is_passphrase_enabled() -> bool:
+#     return common.get_bool(_NAMESPACE, _USE_PASSPHRASE)
 
 
-def set_passphrase_enabled(enable: bool) -> None:
-    common.set_bool(_NAMESPACE, _USE_PASSPHRASE, enable)
-    if not enable:
-        set_passphrase_always_on_device(False)
+# def set_passphrase_enabled(enable: bool) -> None:
+#     common.set_bool(_NAMESPACE, _USE_PASSPHRASE, enable)
+#     if not enable:
+#         set_passphrase_always_on_device(False)
 
 
 def get_homescreen() -> bytes | None:
@@ -173,38 +173,38 @@ def store_mnemonic_secret(
         common.set_true_or_delete(_NAMESPACE, _NEEDS_BACKUP, needs_backup)
 
 
-def needs_backup() -> bool:
-    return common.get_bool(_NAMESPACE, _NEEDS_BACKUP)
+# def needs_backup() -> bool:
+#     return common.get_bool(_NAMESPACE, _NEEDS_BACKUP)
 
 
-def set_backed_up() -> None:
-    common.delete(_NAMESPACE, _NEEDS_BACKUP)
+# def set_backed_up() -> None:
+#     common.delete(_NAMESPACE, _NEEDS_BACKUP)
 
 
-def unfinished_backup() -> bool:
-    return common.get_bool(_NAMESPACE, _UNFINISHED_BACKUP)
+# def unfinished_backup() -> bool:
+#     return common.get_bool(_NAMESPACE, _UNFINISHED_BACKUP)
 
 
-def set_unfinished_backup(state: bool) -> None:
-    common.set_bool(_NAMESPACE, _UNFINISHED_BACKUP, state)
+# def set_unfinished_backup(state: bool) -> None:
+#     common.set_bool(_NAMESPACE, _UNFINISHED_BACKUP, state)
 
 
-def no_backup() -> bool:
-    return common.get_bool(_NAMESPACE, _NO_BACKUP)
+# def no_backup() -> bool:
+#     return common.get_bool(_NAMESPACE, _NO_BACKUP)
 
 
-def get_passphrase_always_on_device() -> bool:
-    """
-    This is backwards compatible with _PASSPHRASE_SOURCE:
-    - If ASK(0) => returns False, the check against b"\x01" in get_bool fails.
-    - If DEVICE(1) => returns True, the check against b"\x01" in get_bool succeeds.
-    - If HOST(2) => returns False, the check against b"\x01" in get_bool fails.
-    """
-    return common.get_bool(_NAMESPACE, _PASSPHRASE_ALWAYS_ON_DEVICE)
+# def get_passphrase_always_on_device() -> bool:
+#     """
+#     This is backwards compatible with _PASSPHRASE_SOURCE:
+#     - If ASK(0) => returns False, the check against b"\x01" in get_bool fails.
+#     - If DEVICE(1) => returns True, the check against b"\x01" in get_bool succeeds.
+#     - If HOST(2) => returns False, the check against b"\x01" in get_bool fails.
+#     """
+#     return common.get_bool(_NAMESPACE, _PASSPHRASE_ALWAYS_ON_DEVICE)
 
 
-def set_passphrase_always_on_device(enable: bool) -> None:
-    common.set_bool(_NAMESPACE, _PASSPHRASE_ALWAYS_ON_DEVICE, enable)
+# def set_passphrase_always_on_device(enable: bool) -> None:
+#     common.set_bool(_NAMESPACE, _PASSPHRASE_ALWAYS_ON_DEVICE, enable)
 
 
 def get_flags() -> int: