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Code Issues Releases Wiki Activity

trezorlib: move mostly-debug methods from device to debuglink

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This commit is contained in:
matejcik 2018-08-10 13:33:14 +02:00
parent 65d8adb0be
commit d5dee0c897
3 changed files with 91 additions and 87 deletions
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12
trezorlib/client.py
View File

@ -31,7 +31,7 @@ from . import messages as proto
from . import btc, cosi, device, ethereum, firmware, lisk, misc, nem, stellar from . import btc, cosi, device, ethereum, firmware, lisk, misc, nem, stellar
from . import mapping from . import mapping
from . import tools from . import tools
from .debuglink import DebugLink from . import debuglink
if sys.version_info.major < 3: if sys.version_info.major < 3:
raise Exception("Trezorlib does not support Python 2 anymore.") raise Exception("Trezorlib does not support Python 2 anymore.")
@ -273,7 +273,7 @@ class DebugLinkMixin(object):
self.debug.close() self.debug.close()
def set_debuglink(self, debug_transport): def set_debuglink(self, debug_transport):
self.debug = DebugLink(debug_transport) self.debug = debuglink.DebugLink(debug_transport)
def set_buttonwait(self, secs): def set_buttonwait(self, secs):
self.button_wait = secs self.button_wait = secs
@ -454,15 +454,15 @@ class ProtocolMixin(object):
return self.call(proto.ClearSession()) return self.call(proto.ClearSession())
# Device functionality # Device functionality
self_test = MovedTo(device.self_test)
wipe_device = MovedTo(device.wipe) wipe_device = MovedTo(device.wipe)
recovery_device = MovedTo(device.recover) recovery_device = MovedTo(device.recover)
reset_device = MovedTo(device.reset) reset_device = MovedTo(device.reset)
backup_device = MovedTo(device.backup) backup_device = MovedTo(device.backup)
load_device_by_mnemonic = MovedTo(device.load_device_by_mnemonic) # debugging
load_device_by_xprv = MovedTo(device.load_device_by_xprv) load_device_by_mnemonic = MovedTo(debuglink.load_device_by_mnemonic)
load_device_by_xprv = MovedTo(debuglink.load_device_by_xprv)
self_test = MovedTo(debuglink.self_test)
set_u2f_counter = MovedTo(device.set_u2f_counter) set_u2f_counter = MovedTo(device.set_u2f_counter)

86
trezorlib/debuglink.py
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@ -14,9 +14,13 @@
# You should have received a copy of the License along with this library. # You should have received a copy of the License along with this library.
# If not, see <https://www.gnu.org/licenses/lgpl-3.0.html>. # If not, see <https://www.gnu.org/licenses/lgpl-3.0.html>.
from __future__ import print_function import binascii
from mnemonic import Mnemonic
from . import messages as proto from . import messages as proto
from . import tools
from .tools import expect
def pin_info(pin): def pin_info(pin):
@ -138,3 +142,83 @@ class DebugLink(object):
def flash_erase(self, sector): def flash_erase(self, sector):
self._call(proto.DebugLinkFlashErase(sector=sector), nowait=True) self._call(proto.DebugLinkFlashErase(sector=sector), nowait=True)
@expect(proto.Success, field="message")
def load_device_by_mnemonic(client, mnemonic, pin, passphrase_protection, label, language='english', skip_checksum=False, expand=False):
# Convert mnemonic to UTF8 NKFD
mnemonic = Mnemonic.normalize_string(mnemonic)
# Convert mnemonic to ASCII stream
mnemonic = mnemonic.encode('utf-8')
m = Mnemonic('english')
if expand:
mnemonic = m.expand(mnemonic)
if not skip_checksum and not m.check(mnemonic):
raise ValueError("Invalid mnemonic checksum")
if client.features.initialized:
raise RuntimeError("Device is initialized already. Call wipe_device() and try again.")
resp = client.call(proto.LoadDevice(mnemonic=mnemonic, pin=pin,
passphrase_protection=passphrase_protection,
language=language,
label=label,
skip_checksum=skip_checksum))
client.init_device()
return resp
@expect(proto.Success, field="message")
def load_device_by_xprv(client, xprv, pin, passphrase_protection, label, language):
if client.features.initialized:
raise RuntimeError("Device is initialized already. Call wipe_device() and try again.")
if xprv[0:4] not in ('xprv', 'tprv'):
raise ValueError("Unknown type of xprv")
if not 100 < len(xprv) < 112: # yes this is correct in Python
raise ValueError("Invalid length of xprv")
node = proto.HDNodeType()
data = binascii.hexlify(tools.b58decode(xprv, None))
if data[90:92] != b'00':
raise ValueError("Contain invalid private key")
checksum = binascii.hexlify(tools.btc_hash(binascii.unhexlify(data[:156]))[:4])
if checksum != data[156:]:
raise ValueError("Checksum doesn't match")
# version 0488ade4
# depth 00
# fingerprint 00000000
# child_num 00000000
# chaincode 873dff81c02f525623fd1fe5167eac3a55a049de3d314bb42ee227ffed37d508
# privkey 00e8f32e723decf4051aefac8e2c93c9c5b214313817cdb01a1494b917c8436b35
# checksum e77e9d71
node.depth = int(data[8:10], 16)
node.fingerprint = int(data[10:18], 16)
node.child_num = int(data[18:26], 16)
node.chain_code = binascii.unhexlify(data[26:90])
node.private_key = binascii.unhexlify(data[92:156]) # skip 0x00 indicating privkey
resp = client.call(proto.LoadDevice(node=node,
pin=pin,
passphrase_protection=passphrase_protection,
language=language,
label=label))
client.init_device()
return resp
@expect(proto.Success, field="message")
def self_test(client):
if client.features.bootloader_mode is False:
raise RuntimeError("Device must be in bootloader mode")
return client.call(proto.SelfTest(payload=b'\x00\xFF\x55\xAA\x66\x99\x33\xCCABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789!\x00\xFF\x55\xAA\x66\x99\x33\xCC'))

80
trezorlib/device.py
View File

@ -152,83 +152,3 @@ def reset(client, display_random, strength, passphrase_protection, pin_protectio
def backup(client): def backup(client):
ret = client.call(proto.BackupDevice()) ret = client.call(proto.BackupDevice())
return ret return ret
@expect(proto.Success, field="message")
def load_device_by_mnemonic(client, mnemonic, pin, passphrase_protection, label, language='english', skip_checksum=False, expand=False):
# Convert mnemonic to UTF8 NKFD
mnemonic = Mnemonic.normalize_string(mnemonic)
# Convert mnemonic to ASCII stream
mnemonic = mnemonic.encode('utf-8')
m = Mnemonic('english')
if expand:
mnemonic = m.expand(mnemonic)
if not skip_checksum and not m.check(mnemonic):
raise ValueError("Invalid mnemonic checksum")
if client.features.initialized:
raise RuntimeError("Device is initialized already. Call wipe_device() and try again.")
resp = client.call(proto.LoadDevice(mnemonic=mnemonic, pin=pin,
passphrase_protection=passphrase_protection,
language=language,
label=label,
skip_checksum=skip_checksum))
client.init_device()
return resp
@expect(proto.Success, field="message")
def load_device_by_xprv(client, xprv, pin, passphrase_protection, label, language):
if client.features.initialized:
raise RuntimeError("Device is initialized already. Call wipe_device() and try again.")
if xprv[0:4] not in ('xprv', 'tprv'):
raise ValueError("Unknown type of xprv")
if not 100 < len(xprv) < 112: # yes this is correct in Python
raise ValueError("Invalid length of xprv")
node = proto.HDNodeType()
data = binascii.hexlify(tools.b58decode(xprv, None))
if data[90:92] != b'00':
raise ValueError("Contain invalid private key")
checksum = binascii.hexlify(tools.btc_hash(binascii.unhexlify(data[:156]))[:4])
if checksum != data[156:]:
raise ValueError("Checksum doesn't match")
# version 0488ade4
# depth 00
# fingerprint 00000000
# child_num 00000000
# chaincode 873dff81c02f525623fd1fe5167eac3a55a049de3d314bb42ee227ffed37d508
# privkey 00e8f32e723decf4051aefac8e2c93c9c5b214313817cdb01a1494b917c8436b35
# checksum e77e9d71
node.depth = int(data[8:10], 16)
node.fingerprint = int(data[10:18], 16)
node.child_num = int(data[18:26], 16)
node.chain_code = binascii.unhexlify(data[26:90])
node.private_key = binascii.unhexlify(data[92:156]) # skip 0x00 indicating privkey
resp = client.call(proto.LoadDevice(node=node,
pin=pin,
passphrase_protection=passphrase_protection,
language=language,
label=label))
client.init_device()
return resp
@expect(proto.Success, field="message")
def self_test(client):
if client.features.bootloader_mode is False:
raise RuntimeError("Device must be in bootloader mode")
return client.call(proto.SelfTest(payload=b'\x00\xFF\x55\xAA\x66\x99\x33\xCCABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789!\x00\xFF\x55\xAA\x66\x99\x33\xCC'))