X-Git-Url: http://www.git.cypherpunks.ru/?p=pyderasn.git;a=blobdiff_plain;f=pyderasn.py;h=7bb1799863c454bb22bdbdc70c75411c47635f04;hp=68dd21339f62e6801e88788215eb19fcda613fb7;hb=749705c0df79a03dfda53dc0f78044efba8590a6;hpb=e1676457cb8e988795e8347fc27b08a60f80f469 diff --git a/pyderasn.py b/pyderasn.py index 68dd213..7bb1799 100755 --- a/pyderasn.py +++ b/pyderasn.py @@ -1084,6 +1084,7 @@ Now you can print only the specified tree, for example signature algorithm:: . . 05:00 """ +from array import array from codecs import getdecoder from codecs import getencoder from collections import namedtuple @@ -4130,7 +4131,7 @@ class ObjectIdentifier(Obj): def __add__(self, their): if their.__class__ == tuple: - return self.__class__(self._value + their) + return self.__class__(self._value + array("L", their)) if isinstance(their, self.__class__): return self.__class__(self._value + their._value) raise InvalidValueType((self.__class__, tuple)) @@ -4140,10 +4141,15 @@ class ObjectIdentifier(Obj): return value._value if isinstance(value, string_types): try: - value = tuple(pureint(arc) for arc in value.split(".")) + value = array("L", (pureint(arc) for arc in value.split("."))) except ValueError: raise InvalidOID("unacceptable arcs values") if value.__class__ == tuple: + try: + value = array("L", value) + except OverflowError as err: + raise InvalidOID(repr(err)) + if value.__class__ is array: if len(value) < 2: raise InvalidOID("less than 2 arcs") first_arc = value[0] @@ -4203,7 +4209,7 @@ class ObjectIdentifier(Obj): def __eq__(self, their): if their.__class__ == tuple: - return self._value == their + return self._value == array("L", their) if not issubclass(their.__class__, ObjectIdentifier): return False return ( @@ -4295,7 +4301,7 @@ class ObjectIdentifier(Obj): offset=offset, ) v, tail = v[:l], v[l:] - arcs = [] + arcs = array("L") ber_encoded = False while len(v) > 0: i = 0 @@ -4306,10 +4312,23 @@ class ObjectIdentifier(Obj): if ctx.get("bered", False): ber_encoded = True else: - raise DecodeError("non normalized arc encoding") + raise DecodeError( + "non normalized arc encoding", + klass=self.__class__, + decode_path=decode_path, + offset=offset, + ) arc = (arc << 7) | (octet & 0x7F) if octet & 0x80 == 0: - arcs.append(arc) + try: + arcs.append(arc) + except OverflowError: + raise DecodeError( + "too huge value for local unsigned long", + klass=self.__class__, + decode_path=decode_path, + offset=offset, + ) v = v[i + 1:] break i += 1 @@ -4331,7 +4350,7 @@ class ObjectIdentifier(Obj): first_arc = 2 second_arc -= 80 obj = self.__class__( - value=tuple([first_arc, second_arc] + arcs[1:]), + value=array("L", (first_arc, second_arc)) + arcs[1:], impl=self.tag, expl=self._expl, default=self.default,