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Code Issues Releases Wiki Activity

core: alter reset_device to use enum

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This commit is contained in:
Tomas Susanka 2019-07-22 11:36:29 +02:00
parent 1480f754f4
commit 539379bd55
2 changed files with 18 additions and 8 deletions
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22
core/src/apps/management/reset_device.py
View File

@ -1,6 +1,6 @@
from trezor import config, ui, wire
from trezor.crypto import bip39, hashlib, random, slip39
from trezor.messages import ButtonRequestType
from trezor.messages import ButtonRequestType, ResetDeviceBackupType
from trezor.messages.EntropyAck import EntropyAck
from trezor.messages.EntropyRequest import EntropyRequest
from trezor.messages.Success import Success
@ -19,13 +19,17 @@ if __debug__:
if False:
from trezor.messages.ResetDevice import ResetDevice
_DEFAULT_BACKUP_TYPE = ResetDeviceBackupType.Bip39
async def reset_device(ctx: wire.Context, msg: ResetDevice) -> Success:
# validate parameters and device state
_validate_reset_device(msg)
is_slip39_simple = msg.backup_type == ResetDeviceBackupType.Slip39_Single_Group
# make sure user knows he's setting up a new wallet
await _show_reset_device_warning(ctx, msg.slip39)
await _show_reset_device_warning(ctx, is_slip39_simple)
# request new PIN
if msg.pin_protection:
@ -45,7 +49,7 @@ async def reset_device(ctx: wire.Context, msg: ResetDevice) -> Success:
ext_entropy = entropy_ack.entropy
secret = _compute_secret_from_entropy(int_entropy, ext_entropy, msg.strength)
if msg.slip39:
if is_slip39_simple:
storage.slip39.set_identifier(slip39.generate_random_identifier())
storage.slip39.set_iteration_exponent(slip39.DEFAULT_ITERATION_EXPONENT)
@ -57,7 +61,7 @@ async def reset_device(ctx: wire.Context, msg: ResetDevice) -> Success:
# generate and display backup information for the master secret
if not msg.no_backup and not msg.skip_backup:
if msg.slip39:
if is_slip39_simple:
await backup_slip39_wallet(ctx, secret)
else:
await backup_bip39_wallet(ctx, secret)
@ -70,7 +74,7 @@ async def reset_device(ctx: wire.Context, msg: ResetDevice) -> Success:
storage.device.load_settings(
label=msg.label, use_passphrase=msg.passphrase_protection
)
if msg.slip39:
if is_slip39_simple:
mnemonic.slip39.store(
secret=secret, needs_backup=msg.skip_backup, no_backup=msg.no_backup
)
@ -112,8 +116,14 @@ async def backup_bip39_wallet(ctx: wire.Context, secret: bytes) -> None:
def _validate_reset_device(msg: ResetDevice) -> None:
msg.backup_type = msg.backup_type or _DEFAULT_BACKUP_TYPE
if msg.backup_type not in (
ResetDeviceBackupType.Bip39,
ResetDeviceBackupType.Slip39_Single_Group,
):
raise wire.ProcessError("Backup type not implemented.")
if msg.strength not in (128, 256):
if msg.slip39:
if msg.backup_type == ResetDeviceBackupType.Slip39_Single_Group:
raise wire.ProcessError("Invalid strength (has to be 128 or 256 bits)")
elif msg.strength != 192:
raise wire.ProcessError("Invalid strength (has to be 128, 192 or 256 bits)")

4
python/trezorlib/tests/device_tests/test_msg_resetdevice_shamir.py
View File

@ -7,7 +7,7 @@ import shamir_mnemonic as shamir
from shamir_mnemonic import MnemonicError
from trezorlib import device, messages as proto
from trezorlib.messages import ButtonRequestType as B
from trezorlib.messages import ButtonRequestType as B, ResetDeviceBackupType
from .common import TrezorTest, generate_entropy
@ -144,7 +144,7 @@ class TestMsgResetDeviceT2(TrezorTest):
pin_protection=False,
label="test",
language="english",
slip39=True,
backup_type=ResetDeviceBackupType.Slip39_Single_Group,
)
# Check if device is properly initialized