|
|
|
@ -6,6 +6,8 @@ import logging
|
|
|
|
|
|
|
|
|
|
import semver
|
|
|
|
|
|
|
|
|
|
from . import util
|
|
|
|
|
|
|
|
|
|
log = logging.getLogger(__name__)
|
|
|
|
|
|
|
|
|
|
ClientWrapper = collections.namedtuple(
|
|
|
|
@ -78,9 +80,156 @@ def _load_keepkey():
|
|
|
|
|
log.exception('Missing module: install via "pip install keepkey"')
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
def _load_ledger():
|
|
|
|
|
import struct
|
|
|
|
|
|
|
|
|
|
class LedgerClientConnection(object):
|
|
|
|
|
def __init__(self, dongle):
|
|
|
|
|
self.dongle = dongle
|
|
|
|
|
|
|
|
|
|
@staticmethod
|
|
|
|
|
def expand_path(path):
|
|
|
|
|
result = ""
|
|
|
|
|
for pathElement in path:
|
|
|
|
|
result = result + struct.pack(">I", pathElement)
|
|
|
|
|
return result
|
|
|
|
|
|
|
|
|
|
@staticmethod
|
|
|
|
|
def convert_public_key(ecdsa_curve_name, result):
|
|
|
|
|
from trezorlib.messages_pb2 import PublicKey # pylint: disable=import-error
|
|
|
|
|
if ecdsa_curve_name == "nist256p1":
|
|
|
|
|
if (result[64] & 1) != 0:
|
|
|
|
|
result = bytearray([0x03]) + result[1:33]
|
|
|
|
|
else:
|
|
|
|
|
result = bytearray([0x02]) + result[1:33]
|
|
|
|
|
else:
|
|
|
|
|
result = result[1:]
|
|
|
|
|
keyX = bytearray(result[0:32])
|
|
|
|
|
keyY = bytearray(result[32:][::-1])
|
|
|
|
|
if (keyX[31] & 1) != 0:
|
|
|
|
|
keyY[31] |= 0x80
|
|
|
|
|
result = chr(0) + str(keyY)
|
|
|
|
|
publicKey = PublicKey()
|
|
|
|
|
publicKey.node.public_key = str(result)
|
|
|
|
|
return publicKey
|
|
|
|
|
|
|
|
|
|
# pylint: disable=unused-argument
|
|
|
|
|
def get_public_node(self, n, ecdsa_curve_name="secp256k1", show_display=False):
|
|
|
|
|
donglePath = LedgerClientConnection.expand_path(n)
|
|
|
|
|
if ecdsa_curve_name == "nist256p1":
|
|
|
|
|
p2 = "01"
|
|
|
|
|
else:
|
|
|
|
|
p2 = "02"
|
|
|
|
|
apdu = "800200" + p2
|
|
|
|
|
apdu = apdu.decode('hex')
|
|
|
|
|
apdu += chr(len(donglePath) + 1) + chr(len(donglePath) / 4)
|
|
|
|
|
apdu += donglePath
|
|
|
|
|
result = bytearray(self.dongle.exchange(bytes(apdu)))[1:]
|
|
|
|
|
return LedgerClientConnection.convert_public_key(ecdsa_curve_name, result)
|
|
|
|
|
|
|
|
|
|
# pylint: disable=too-many-locals
|
|
|
|
|
def sign_identity(self, identity, challenge_hidden, challenge_visual,
|
|
|
|
|
ecdsa_curve_name="secp256k1"):
|
|
|
|
|
from trezorlib.messages_pb2 import SignedIdentity # pylint: disable=import-error
|
|
|
|
|
n = util.get_bip32_address(identity)
|
|
|
|
|
donglePath = LedgerClientConnection.expand_path(n)
|
|
|
|
|
if identity.proto == 'ssh':
|
|
|
|
|
ins = "04"
|
|
|
|
|
p1 = "00"
|
|
|
|
|
else:
|
|
|
|
|
ins = "08"
|
|
|
|
|
p1 = "00"
|
|
|
|
|
if ecdsa_curve_name == "nist256p1":
|
|
|
|
|
p2 = "81" if identity.proto == 'ssh' else "01"
|
|
|
|
|
else:
|
|
|
|
|
p2 = "82" if identity.proto == 'ssh' else "02"
|
|
|
|
|
apdu = "80" + ins + p1 + p2
|
|
|
|
|
apdu = apdu.decode('hex')
|
|
|
|
|
apdu += chr(len(challenge_hidden) + len(donglePath) + 1)
|
|
|
|
|
apdu += chr(len(donglePath) / 4) + donglePath
|
|
|
|
|
apdu += challenge_hidden
|
|
|
|
|
result = bytearray(self.dongle.exchange(bytes(apdu)))
|
|
|
|
|
if ecdsa_curve_name == "nist256p1":
|
|
|
|
|
offset = 3
|
|
|
|
|
length = result[offset]
|
|
|
|
|
r = result[offset+1:offset+1+length]
|
|
|
|
|
if r[0] == 0:
|
|
|
|
|
r = r[1:]
|
|
|
|
|
offset = offset + 1 + length + 1
|
|
|
|
|
length = result[offset]
|
|
|
|
|
s = result[offset+1:offset+1+length]
|
|
|
|
|
if s[0] == 0:
|
|
|
|
|
s = s[1:]
|
|
|
|
|
offset = offset + 1 + length
|
|
|
|
|
signature = SignedIdentity()
|
|
|
|
|
signature.signature = chr(0) + str(r) + str(s)
|
|
|
|
|
if identity.proto == 'ssh':
|
|
|
|
|
keyData = result[offset:]
|
|
|
|
|
pk = LedgerClientConnection.convert_public_key(ecdsa_curve_name, keyData)
|
|
|
|
|
signature.public_key = pk.node.public_key
|
|
|
|
|
return signature
|
|
|
|
|
else:
|
|
|
|
|
signature = SignedIdentity()
|
|
|
|
|
signature.signature = chr(0) + str(result[0:64])
|
|
|
|
|
if identity.proto == 'ssh':
|
|
|
|
|
keyData = result[64:]
|
|
|
|
|
pk = LedgerClientConnection.convert_public_key(ecdsa_curve_name, keyData)
|
|
|
|
|
signature.public_key = pk.node.public_key
|
|
|
|
|
return signature
|
|
|
|
|
|
|
|
|
|
def get_ecdh_session_key(self, identity, peer_public_key, ecdsa_curve_name="secp256k1"):
|
|
|
|
|
from trezorlib.messages_pb2 import ECDHSessionKey # pylint: disable=import-error
|
|
|
|
|
n = util.get_bip32_address(identity, True)
|
|
|
|
|
donglePath = LedgerClientConnection.expand_path(n)
|
|
|
|
|
if ecdsa_curve_name == "nist256p1":
|
|
|
|
|
p2 = "01"
|
|
|
|
|
else:
|
|
|
|
|
p2 = "02"
|
|
|
|
|
apdu = "800a00" + p2
|
|
|
|
|
apdu = apdu.decode('hex')
|
|
|
|
|
apdu += chr(len(peer_public_key) + len(donglePath) + 1)
|
|
|
|
|
apdu += chr(len(donglePath) / 4) + donglePath
|
|
|
|
|
apdu += peer_public_key
|
|
|
|
|
result = bytearray(self.dongle.exchange(bytes(apdu)))
|
|
|
|
|
sessionKey = ECDHSessionKey()
|
|
|
|
|
sessionKey.session_key = str(result)
|
|
|
|
|
return sessionKey
|
|
|
|
|
|
|
|
|
|
def clear_session(self):
|
|
|
|
|
pass
|
|
|
|
|
|
|
|
|
|
def close(self):
|
|
|
|
|
self.dongle.close()
|
|
|
|
|
|
|
|
|
|
# pylint: disable=unused-argument
|
|
|
|
|
# pylint: disable=no-self-use
|
|
|
|
|
def ping(self, msg, button_protection=False, pin_protection=False,
|
|
|
|
|
passphrase_protection=False):
|
|
|
|
|
return msg
|
|
|
|
|
|
|
|
|
|
class CallException(Exception):
|
|
|
|
|
def __init__(self, code, message):
|
|
|
|
|
super(CallException, self).__init__()
|
|
|
|
|
self.args = [code, message]
|
|
|
|
|
try:
|
|
|
|
|
from ledgerblue.comm import getDongle
|
|
|
|
|
except ImportError:
|
|
|
|
|
log.exception('Missing module: install via "pip install ledgerblue"')
|
|
|
|
|
# pylint: disable=bare-except
|
|
|
|
|
try:
|
|
|
|
|
from trezorlib.types_pb2 import IdentityType # pylint: disable=import-error
|
|
|
|
|
dongle = getDongle()
|
|
|
|
|
except:
|
|
|
|
|
return
|
|
|
|
|
yield ClientWrapper(connection=LedgerClientConnection(dongle),
|
|
|
|
|
identity_type=IdentityType,
|
|
|
|
|
device_name="ledger",
|
|
|
|
|
call_exception=CallException)
|
|
|
|
|
|
|
|
|
|
LOADERS = [
|
|
|
|
|
_load_trezor,
|
|
|
|
|
_load_keepkey
|
|
|
|
|
_load_keepkey,
|
|
|
|
|
_load_ledger
|
|
|
|
|
]
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|