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Code Issues Releases Wiki Activity

LoadDevice: validate mnemonic, import xprv

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This commit is contained in:
Jan Pochyla 2016-10-01 13:52:19 +02:00
parent e62ded3a2f
commit 6b94511472
1 changed files with 15 additions and 11 deletions
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26
src/apps/management/layout_load_device.py
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@ -4,6 +4,7 @@ from trezor.utils import unimport
@unimport
async def layout_load_device(message, session_id):
from trezor.crypto import bip39
from trezor.messages.Storage import Storage
from trezor.messages.Success import Success
from trezor.messages.FailureType import UnexpectedMessage, Other
@ -13,6 +14,15 @@ async def layout_load_device(message, session_id):
if get_storage(session_id):
raise wire.FailureError(UnexpectedMessage, 'Already initialized')
storage = Storage()
storage.imported = True
if hasattr(message, 'node'):
storage.node = message.node
elif hasattr(message, 'mnemonic'):
if not message.skip_checksum and not bip39.check(message.mnemonic):
raise wire.FailureError(Other, 'Mnemonic is not valid')
storage.mnemonic = message.mnemonic
ui.display.clear()
@ -21,18 +31,12 @@ async def layout_load_device(message, session_id):
ui.BOLD, 'Loading private seed', 'is not recommended.',
ui.NORMAL, 'Continue only if you', 'know what you are doing!'))
node = getattr(message, 'node', None)
mnemonic = getattr(message, 'mnemonic', None)
storage.version = 1
storage.pin = message.pin
storage.passphrase_protection = message.passphrase_protection,
storage.language = message.language
storage.label = message.label
# if node is not None:
# raise wire.FailureError(Other, 'XPRV import is not implemented')
# if mnemonic is not None and not message.skip_checksum:
# raise wire.FailureError(Other, 'Mnemonic checksum is not implemented')
storage = Storage(
version=1, imported=1, mnemonic=mnemonic, node=node,
pin=message.pin, passphrase_protection=message.passphrase_protection,
language=message.language, label=message.label)
set_storage(session_id, await storage.dumps())
return Success(message='Device loaded')