You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
46 lines
1.3 KiB
Python
46 lines
1.3 KiB
Python
"""KeepKey-related code (see https://www.keepkey.com/)."""
|
|
|
|
from . import trezor
|
|
from .. import formats
|
|
|
|
|
|
def _verify_support(identity, ecdh):
|
|
"""Make sure the device supports given configuration."""
|
|
protocol = identity.identity_dict['proto']
|
|
if protocol not in {'ssh'}:
|
|
raise NotImplementedError(
|
|
'Unsupported protocol: {}'.format(protocol))
|
|
if ecdh:
|
|
raise NotImplementedError('No support for ECDH')
|
|
if identity.curve_name not in {formats.CURVE_NIST256}:
|
|
raise NotImplementedError(
|
|
'Unsupported elliptic curve: {}'.format(identity.curve_name))
|
|
|
|
|
|
class KeepKey(trezor.Trezor):
|
|
"""Connection to KeepKey device."""
|
|
|
|
@classmethod
|
|
def package_name(cls):
|
|
"""Python package name (at PyPI)."""
|
|
return 'keepkey-agent'
|
|
|
|
@property
|
|
def _defs(self):
|
|
from . import keepkey_defs
|
|
return keepkey_defs
|
|
|
|
required_version = '>=1.0.4'
|
|
|
|
def _override_state_handler(self, _):
|
|
"""No support for `state` handling on Keepkey."""
|
|
|
|
def pubkey(self, identity, ecdh=False):
|
|
"""Return public key."""
|
|
_verify_support(identity, ecdh)
|
|
return trezor.Trezor.pubkey(self, identity=identity, ecdh=ecdh)
|
|
|
|
def ecdh(self, identity, pubkey):
|
|
"""No support for ECDH in KeepKey firmware."""
|
|
_verify_support(identity, ecdh=True)
|