def _iteritems(dict): return dict.iteritems()
def _itervalues(dict): return dict.itervalues()
+## The built-in bignum type.
+_long = long
+
## How to fix a name back into the right identifier. Alas, the rules are not
## consistent.
def _fixname(name):
def fromhex(x):
return ByteString(_unhexify(x))
fromhex = staticmethod(fromhex)
- def __hex__(me):
- return _hexify(me)
+ def hex(me): return _hexify(me)
+ __hex__ = hex
def __repr__(me):
- return 'bytes(%r)' % hex(me)
+ return 'bytes(%r)' % me.hex()
_augment(ByteString, _tmp)
ByteString.__hash__ = str.__hash__
bytes = ByteString.fromhex
### Symmetric encryption.
class _tmp:
- def encrypt(me, n, m, tsz = None, h = ByteString('')):
+ def encrypt(me, n, m, tsz = None, h = ByteString.zero(0)):
if tsz is None: tsz = me.__class__.tagsz.default
e = me.enc(n, len(h), len(m), tsz)
if not len(h): a = None
c0 = e.encrypt(m)
c1, t = e.done(aad = a)
return c0 + c1, t
- def decrypt(me, n, c, t, h = ByteString('')):
+ def decrypt(me, n, c, t, h = ByteString.zero(0)):
d = me.dec(n, len(h), len(c), len(t))
if not len(h): a = None
else: a = d.aad().hash(h)
return type(me)(me._d*n, me._n*d)
__div__ = __truediv__
__rdiv__ = __rtruediv__
- def __cmp__(me, you):
- n, d = _split_rat(you)
- return cmp(me._n*d, n*me._d)
- def __rcmp__(me, you):
+ def _order(me, you, op):
n, d = _split_rat(you)
- return cmp(n*me._d, me._n*d)
+ return op(me._n*d, n*me._d)
+ def __eq__(me, you): return me._order(you, lambda x, y: x == y)
+ def __ne__(me, you): return me._order(you, lambda x, y: x != y)
+ def __le__(me, you): return me._order(you, lambda x, y: x <= y)
+ def __lt__(me, you): return me._order(you, lambda x, y: x < y)
+ def __gt__(me, you): return me._order(you, lambda x, y: x > y)
+ def __ge__(me, you): return me._order(you, lambda x, y: x >= y)
class IntRat (BaseRat):
RING = MP
+ def __new__(cls, a, b):
+ if isinstance(a, float) or isinstance(b, float): return a/b
+ return super(IntRat, cls).__new__(cls, a, b)
+ def __float__(me): return float(me._n)/float(me._d)
class GFRat (BaseRat):
RING = GF
def mont(x): return MPMont(x)
def barrett(x): return MPBarrett(x)
def reduce(x): return MPReduce(x)
- def __truediv__(me, you): return IntRat(me, you)
- def __rtruediv__(me, you): return IntRat(you, me)
+ def __truediv__(me, you):
+ if isinstance(you, float): return _long(me)/you
+ else: return IntRat(me, you)
+ def __rtruediv__(me, you):
+ if isinstance(you, float): return you/_long(me)
+ else: return IntRat(you, me)
__div__ = __truediv__
__rdiv__ = __rtruediv__
_repr_pretty_ = _pp_str
_augment(Field, _tmp)
class _tmp:
- def __repr__(me): return '%s(%sL)' % (_clsname(me), me.p)
+ def __repr__(me): return '%s(%s)' % (_clsname(me), me.p)
def __hash__(me): return 0x114401de ^ hash(me.p)
def _repr_pretty_(me, pp, cyclep):
ind = _pp_bgroup_tyname(pp, me)
_augment(PrimeField, _tmp)
class _tmp:
- def __repr__(me): return '%s(%#xL)' % (_clsname(me), me.p)
+ def __repr__(me): return '%s(%#x)' % (_clsname(me), me.p)
def ec(me, a, b): return ECBinProjCurve(me, a, b)
def _repr_pretty_(me, pp, cyclep):
ind = _pp_bgroup_tyname(pp, me)
### Key data objects.
class _tmp:
+ def merge(me, file, report = None):
+ """KF.merge(FILE, [report = <built-in-reporter>])"""
+ name = file.name
+ lno = 1
+ for line in file:
+ me.mergeline(name, lno, line, report)
+ lno += 1
+ return me
def __repr__(me): return '%s(%r)' % (_clsname(me), me.name)
_augment(KeyFile, _tmp)
class _tmp:
+ def extract(me, file, filter = ''):
+ """KEY.extract(FILE, [filter = <any>])"""
+ line = me.extractline(filter)
+ file.write(line)
+ return me
def __repr__(me): return '%s(%r)' % (_clsname(me), me.fulltag)
_augment(Key, _tmp)
pp.text(','); pp.breakable()
pp.pretty(me.writeflags(me.flags))
pp.end_group(ind, ')')
+ def __hash__(me): return me._HASHBASE ^ hash(me._guts())
+ def __eq__(me, kd):
+ return type(me) == type(kd) and \
+ me._guts() == kd._guts() and \
+ me.flags == kd.flags
+ def __ne__(me, kd):
+ return not me == kd
_augment(KeyData, _tmp)
class _tmp:
def _guts(me): return me.bin
+ def __eq__(me, kd):
+ return isinstance(kd, KeyDataBinary) and me.bin == kd.bin
_augment(KeyDataBinary, _tmp)
+KeyDataBinary._HASHBASE = 0x961755c3
class _tmp:
def _guts(me): return me.ct
_augment(KeyDataEncrypted, _tmp)
+KeyDataEncrypted._HASHBASE = 0xffe000d4
class _tmp:
def _guts(me): return me.mp
_augment(KeyDataMP, _tmp)
+KeyDataMP._HASHBASE = 0x1cb64d69
class _tmp:
def _guts(me): return me.str
_augment(KeyDataString, _tmp)
+KeyDataString._HASHBASE = 0x349c33ea
class _tmp:
def _guts(me): return me.ecpt
_augment(KeyDataECPt, _tmp)
+KeyDataECPt._HASHBASE = 0x2509718b
class _tmp:
def __repr__(me):
if cyclep: pp.text('...')
else: _pp_dict(pp, _iteritems(me))
pp.end_group(ind, ' })')
+ def __hash__(me):
+ h = me._HASHBASE
+ for k, v in _iteritems(me):
+ h = ((h << 1) ^ 3*hash(k) ^ 5*hash(v))&0xffffffff
+ return h
+ def __eq__(me, kd):
+ if type(me) != type(kd) or me.flags != kd.flags or len(me) != len(kd):
+ return False
+ for k, v in _iteritems(me):
+ try: vv = kd[k]
+ except KeyError: return False
+ if v != vv: return False
+ return True
_augment(KeyDataStructured, _tmp)
+KeyDataStructured._HASHBASE = 0x85851b21
###--------------------------------------------------------------------------
### Abstract groups.
~mdw / catacomb-python / blobdiff