else: pass # can't do this.
_sys.setdlopenflags(_dlflags)
-import _base
+if _sys.version_info >= (3,): from . import _base
+else: import _base
if _odlflags >= 0:
_sys.setdlopenflags(_odlflags)
_sys.stderr.write("\n")
lostexchook = default_lostexchook
+## Text/binary conversions.
+if _sys.version_info >= (3,):
+ def _bin(s): return s.encode('iso8859-1')
+else:
+ def _bin(s): return s
+
+## Iterating over dictionaries.
+if _sys.version_info >= (3,):
+ def _iteritems(dict): return dict.items()
+ def _itervalues(dict): return dict.values()
+else:
+ def _iteritems(dict): return dict.iteritems()
+ def _itervalues(dict): return dict.itervalues()
+
+## The built-in bignum type.
+try: long
+except NameError: _long = int
+else: _long = long
+
## How to fix a name back into the right identifier. Alas, the rules are not
## consistent.
def _fixname(name):
if i[0] != '_':
d[i] = b[i];
for i in [gcciphers, gcaeads, gchashes, gcmacs, gcprps]:
- for c in i.itervalues():
+ for c in _itervalues(i):
d[_fixname(c.name)] = c
- for c in gccrands.itervalues():
+ for c in _itervalues(gccrands):
d[_fixname(c.name + 'rand')] = c
_init()
else: pp.text(','); pp.breakable()
printfn(i)
def _pp_dict(pp, items):
- def p((k, v)):
+ def p(kv):
+ k, v = kv
pp.begin_group(0)
pp.pretty(k)
pp.text(':')
_pp_commas(pp, p, items)
###--------------------------------------------------------------------------
+### Mappings.
+
+if _sys.version_info >= (3,):
+ class _tmp:
+ def __str__(me): return '%s(%r)' % (type(me).__name__, list(me))
+ __repr__ = __str__
+ def _repr_pretty_(me, pp, cyclep):
+ ind = _pp_bgroup_tyname(pp, me, '([')
+ _pp_commas(pp, pp.pretty, me)
+ pp.end_group(ind, '])')
+ _augment(_base._KeyView, _tmp)
+ _augment(_base._ValueView, _tmp)
+ _augment(_base._ItemView, _tmp)
+
+###--------------------------------------------------------------------------
### Bytestrings.
class _tmp:
def fromhex(x):
return ByteString(_unhexify(x))
fromhex = staticmethod(fromhex)
- def __hex__(me):
- return _hexify(me)
+ if _sys.version_info >= (3,):
+ def hex(me): return _hexify(me).decode()
+ else:
+ 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)
## Python gets really confused if I try to augment `__new__' on native
## classes, so wrap and delegate. Sorry.
- def __init__(me, perso = '', *args, **kw):
+ def __init__(me, perso = _bin(''), *args, **kw):
super(_ShakeBase, me).__init__(*args, **kw)
me._h = me._SHAKE(perso = perso, func = me._FUNC)
Shake._Z = _ShakeBase._Z = ByteString.zero(200)
class KMAC (_ShakeBase):
- _FUNC = 'KMAC'
+ _FUNC = _bin('KMAC')
def __init__(me, k, *arg, **kw):
super(KMAC, me).__init__(*arg, **kw)
with me.bytepad(): me.stringenc(k)
me.rightenc(0)
return super(KMAC, me).xof()
@classmethod
- def _bare_new(cls): return cls("")
+ def _bare_new(cls): return cls(_bin(""))
class KMAC128 (KMAC): _SHAKE = Shake128; _TAGSZ = 16
class KMAC256 (KMAC): _SHAKE = Shake256; _TAGSZ = 32
def __rtruediv__(me, you):
n, d = _split_rat(you)
return type(me)(me._d*n, me._n*d)
- __div__ = __truediv__
- __rdiv__ = __rtruediv__
- def __cmp__(me, you):
+ if _sys.version_info < (3,):
+ __div__ = __truediv__
+ __rdiv__ = __rtruediv__
+ def _order(me, you, op):
n, d = _split_rat(you)
- return cmp(me._n*d, n*me._d)
- def __rcmp__(me, you):
- 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)
- __div__ = __truediv__
- __rdiv__ = __rtruediv__
+ 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)
+ if _sys.version_info < (3,):
+ __div__ = __truediv__
+ __rdiv__ = __rtruediv__
_repr_pretty_ = _pp_str
_augment(MP, _tmp)
def quadsolve(x, y): return x.reduce().quadsolve(y)
def __truediv__(me, you): return GFRat(me, you)
def __rtruediv__(me, you): return GFRat(you, me)
- __div__ = __truediv__
- __rdiv__ = __rtruediv__
+ if _sys.version_info < (3,):
+ __div__ = __truediv__
+ __rdiv__ = __rtruediv__
_repr_pretty_ = _pp_str
_augment(GF, _tmp)
_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)
class _tmp:
def __repr__(me):
return '%s({%s})' % (_clsname(me),
- ', '.join(['%r: %r' % kv for kv in me.iteritems()]))
+ ', '.join(['%r: %r' % kv for kv in _iteritems(me)()]))
def _repr_pretty_(me, pp, cyclep):
ind = _pp_bgroup_tyname(pp, me)
if cyclep: pp.text('...')
- else: _pp_dict(pp, me.iteritems())
+ else: _pp_dict(pp, _iteritems(me))
pp.end_group(ind, ')')
_augment(KeyAttributes, _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):
return '%s({%s})' % (_clsname(me),
- ', '.join(['%r: %r' % kv for kv in me.iteritems()]))
+ ', '.join(['%r: %r' % kv for kv in _iteritems(me)]))
def _repr_pretty_(me, pp, cyclep):
ind = _pp_bgroup_tyname(pp, me, '({ ')
if cyclep: pp.text('...')
- else: _pp_dict(pp, me.iteritems())
+ 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.
### RSA encoding techniques.
class PKCS1Crypt (object):
- def __init__(me, ep = '', rng = rand):
+ def __init__(me, ep = _bin(''), rng = rand):
me.ep = ep
me.rng = rng
def encode(me, msg, nbits):
return _base._p1crypt_decode(ct, nbits, me.ep, me.rng)
class PKCS1Sig (object):
- def __init__(me, ep = '', rng = rand):
+ def __init__(me, ep = _bin(''), rng = rand):
me.ep = ep
me.rng = rng
def encode(me, msg, nbits):
return _base._p1sig_decode(msg, sig, nbits, me.ep, me.rng)
class OAEP (object):
- def __init__(me, mgf = sha_mgf, hash = sha, ep = '', rng = rand):
+ def __init__(me, mgf = sha_mgf, hash = sha, ep = _bin(''), rng = rand):
me.mgf = mgf
me.hash = hash
me.ep = ep
class _tmp:
def __repr__(me):
- return '{%s}' % ', '.join(['%r: %r' % kv for kv in me.iteritems()])
+ return '{%s}' % ', '.join(['%r: %r' % kv for kv in _iteritems(me)])
def _repr_pretty_(me, pp, cyclep):
ind = _pp_bgroup(pp, '{ ')
if cyclep: pp.text('...')
- else: _pp_dict(pp, me.iteritems())
+ else: _pp_dict(pp, _iteritems(me))
pp.end_group(ind, ' }')
_augment(_base._MiscTable, _tmp)
~mdw / catacomb-python / blobdiff