def _check_key(self, key):
if not isinstance(key, JWK):
raise ValueError('key is not a JWK object')
if key.key_type not in ['EC', 'OKP']:
raise InvalidJWEKeyType('EC or OKP', key.key_type)
if key.key_type == 'OKP':
if key.key_curve not in ['X25519', 'X448']:
raise InvalidJWEKeyType('X25519 or X448', key.key_curve)
def _check_key(self, key):
if not isinstance(key, JWK):
raise ValueError('key is not a JWK object')
if key['kty'] not in ['EC', 'OKP']:
raise InvalidJWEKeyType('EC or OKP', key['kty'])
if key['kty'] == 'OKP':
if key['crv'] not in ['X25519', 'X448']:
raise InvalidJWEKeyType('X25519 or X448',
key['crv'])
def _get_key(self, key, op):
if not isinstance(key, JWK):
raise ValueError('key is not a JWK object')
if key.key_type != 'oct':
raise InvalidJWEKeyType('oct', key.key_type)
rk = base64url_decode(key.get_op_key(op))
if _bitsize(rk) != self.keysize:
raise InvalidJWEKeyLength(self.keysize, _bitsize(rk))
return rk
def _check_key(self, key):
if not isinstance(key, JWK):
raise ValueError('key is not a JWK object')
if key.key_type != 'oct':
raise InvalidJWEKeyType('oct', key.key_type)
def _check_key(self, key):
if not isinstance(key, JWK):
raise ValueError('key is not a JWK object')
if key['kty'] != 'RSA':
raise InvalidJWEKeyType('RSA', key['kty'])