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Code Issues Releases Wiki Activity

apps.common: add protect_by_passphrase

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This commit is contained in:
Jan Pochyla 2017-01-24 14:10:36 +01:00
parent d8f1b1397c
commit 059315feb4
2 changed files with 17 additions and 7 deletions
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17
src/apps/common/request_passphrase.py
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@ -2,8 +2,9 @@ from trezor import ui, wire
async def request_passphrase(session_id):
from trezor.messages.FailureType import ActionCancelled
from trezor.messages.PassphraseRequest import PassphraseRequest
from trezor.messages.wire_types import PassphraseAck
from trezor.messages.wire_types import PassphraseAck, Cancel
from trezor.ui.text import Text
ui.display.clear()
@ -11,5 +12,17 @@ async def request_passphrase(session_id):
'Please enter passphrase', 'on your computer.')
text.render()
ack = await wire.call(session_id, PassphraseRequest(), PassphraseAck)
ack = await wire.call(session_id, PassphraseRequest(), PassphraseAck, Cancel)
if ack.MESSAGE_WIRE_TYPE == Cancel:
raise wire.FailureError(ActionCancelled, 'Passphrase cancelled')
return ack.passphrase
async def protect_by_passphrase(session_id):
from apps.common import storage
if storage.is_protected_by_passphrase():
return await request_passphrase(session_id)
else:
return ''

7
src/apps/common/seed.py
View File

@ -22,7 +22,7 @@ async def get_seed(session_id: int) -> bytes:
async def compute_seed(session_id: int) -> bytes:
from trezor.messages.FailureType import Other
from .request_passphrase import request_passphrase
from .request_passphrase import protect_by_passphrase
from .request_pin import protect_by_pin
from . import storage
@ -31,8 +31,5 @@ async def compute_seed(session_id: int) -> bytes:
await protect_by_pin(session_id)
if storage.is_protected_by_passphrase():
passphrase = await request_passphrase(session_id)
else:
passphrase = ''
passphrase = await protect_by_passphrase(session_id)
return bip39.seed(storage.get_mnemonic(), passphrase)