def loads_private_key(cls, obj):
curve = cls.DSS_CURVES[obj['crv']]()
public_numbers = EllipticCurvePublicNumbers(
base64_to_int(obj['x']),
base64_to_int(obj['y']),
curve,
)
private_numbers = EllipticCurvePrivateNumbers(base64_to_int(obj['d']),
public_numbers)
return private_numbers.private_key(default_backend())
def load_private_key(self):
curve = self.DSS_CURVES[self._dict_data['crv']]()
public_numbers = EllipticCurvePublicNumbers(
base64_to_int(self._dict_data['x']),
base64_to_int(self._dict_data['y']),
curve,
)
private_numbers = EllipticCurvePrivateNumbers(
base64_to_int(self.tokens['d']), public_numbers)
return private_numbers.private_key(default_backend())
def __init__(self, x, y, d=None, kid=None, curve=None):
super(EllipticCurveKey, self).__init__()
self._kid = kid or str(uuid.uuid4())
self._default_algo = _curve_to_default_algo[curve]
curve_cls = _kv_crv_to_crypto_cls[curve]
public_numbers = EllipticCurvePublicNumbers(x, y, curve_cls())
self._public_key = public_numbers.public_key(default_backend())
self._private_key = None
if d is not None:
private_numbers = EllipticCurvePrivateNumbers(d, public_numbers)
self._private_key = private_numbers.private_key(default_backend())
def loads(self, obj):
for k in ['crv', 'x', 'y']:
if k not in obj:
raise ValueError('Not a elliptic curve key')
curve = self.DSS_CURVES[obj['crv']]()
public_numbers = EllipticCurvePublicNumbers(
base64_to_int(obj['x']),
base64_to_int(obj['y']),
curve,
)
if 'd' in obj:
private_numbers = EllipticCurvePrivateNumbers(
base64_to_int(obj['d']), public_numbers)
return private_numbers.private_key(default_backend())
return public_numbers.public_key(default_backend())