-# -*-python-*-
-#
-# $Id$
-#
-# Setup for Catacomb/Python bindings
-#
-# (c) 2004 Straylight/Edgeware
-#
-
-#----- Licensing notice -----------------------------------------------------
-#
-# This file is part of the Python interface to Catacomb.
-#
-# Catacomb/Python is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-#
-# Catacomb/Python is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with Catacomb/Python; if not, write to the Free Software Foundation,
-# Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-
-#----- Imports --------------------------------------------------------------
+### -*-python-*-
+###
+### Setup for Catacomb/Python bindings
+###
+### (c) 2004 Straylight/Edgeware
+###
+
+###----- Licensing notice ---------------------------------------------------
+###
+### This file is part of the Python interface to Catacomb.
+###
+### Catacomb/Python is free software; you can redistribute it and/or modify
+### it under the terms of the GNU General Public License as published by
+### the Free Software Foundation; either version 2 of the License, or
+### (at your option) any later version.
+###
+### Catacomb/Python is distributed in the hope that it will be useful,
+### but WITHOUT ANY WARRANTY; without even the implied warranty of
+### MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+### GNU General Public License for more details.
+###
+### You should have received a copy of the GNU General Public License
+### along with Catacomb/Python; if not, write to the Free Software Foundation,
+### Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
import _base
import types as _types
from binascii import hexlify as _hexify, unhexlify as _unhexify
from sys import argv as _argv
-#----- Basic stuff ----------------------------------------------------------
+###--------------------------------------------------------------------------
+### Basic stuff.
## For the benefit of the default keyreporter, we need the program na,e.
_base._ego(_argv[0])
if i[0] != '_':
d[i] = b[i];
for i in ['MP', 'GF', 'Field',
- 'ECPt', 'ECPtCurve', 'ECCurve', 'ECInfo',
- 'DHInfo', 'BinDHInfo', 'RSAPriv', 'BBSPriv',
- 'PrimeFilter', 'RabinMiller',
- 'Group', 'GE',
- 'KeyData']:
+ 'ECPt', 'ECPtCurve', 'ECCurve', 'ECInfo',
+ 'DHInfo', 'BinDHInfo', 'RSAPriv', 'BBSPriv',
+ 'PrimeFilter', 'RabinMiller',
+ 'Group', 'GE',
+ 'KeyData']:
c = d[i]
pre = '_' + i + '_'
plen = len(pre)
for j in b:
if j[:plen] == pre:
- setattr(c, j[plen:], classmethod(b[j]))
+ setattr(c, j[plen:], classmethod(b[j]))
for i in [gcciphers, gchashes, gcmacs, gcprps]:
for c in i.itervalues():
d[c.name.replace('-', '_')] = c
raise SyntaxError, 'junk at end of string'
return x
-#----- Bytestrings ----------------------------------------------------------
+###--------------------------------------------------------------------------
+### Bytestrings.
class _tmp:
def fromhex(x):
_augment(ByteString, _tmp)
bytes = ByteString.fromhex
-#----- Multiprecision integers and binary polynomials -----------------------
+###--------------------------------------------------------------------------
+### Multiprecision integers and binary polynomials.
class _tmp:
def negp(x): return x < 0
product = staticmethod(product)
_augment(MPMul, _tmp)
-#----- Abstract fields ------------------------------------------------------
+###--------------------------------------------------------------------------
+### Abstract fields.
class _tmp:
def fromstring(str): return _checkend(Field.parse(str))
def __repr__(me): return '%s(%s)' % (repr(me.field), repr(me.value))
_augment(FE, _tmp)
-#----- Elliptic curves ------------------------------------------------------
+###--------------------------------------------------------------------------
+### Elliptic curves.
class _tmp:
def __repr__(me):
class _tmp:
def __repr__(me):
return 'ECInfo(curve = %r, G = %r, r = %s, h = %s)' % \
- (me.curve, me.G, me.r, me.h)
+ (me.curve, me.G, me.r, me.h)
def group(me):
return ECGroup(me)
_augment(ECInfo, _tmp)
return '(%s, %s)' % (me.x, me.y)
_augment(ECPtCurve, _tmp)
-#----- Key sizes ------------------------------------------------------------
+###--------------------------------------------------------------------------
+### Key sizes.
class _tmp:
def __repr__(me): return 'KeySZAny(%d)' % me.default
class _tmp:
def __repr__(me):
return 'KeySZRange(%d, %d, %d, %d)' % \
- (me.default, me.min, me.max, me.mod)
+ (me.default, me.min, me.max, me.mod)
def check(me, sz): return me.min <= sz <= me.max and sz % me.mod == 0
def best(me, sz):
if sz < me.min: raise ValueError, 'key too small'
return found
_augment(KeySZSet, _tmp)
-#----- Abstract groups ------------------------------------------------------
+###--------------------------------------------------------------------------
+### Abstract groups.
class _tmp:
def __repr__(me):
return '%s(p = %s, r = %s, g = %s)' % \
- (type(me).__name__, me.p, me.r, me.g)
+ (type(me).__name__, me.p, me.r, me.g)
_augment(FGInfo, _tmp)
class _tmp:
return '%r(%r)' % (me.group, str(me))
_augment(GE, _tmp)
-#----- RSA encoding techniques ----------------------------------------------
+###--------------------------------------------------------------------------
+### RSA encoding techniques.
class PKCS1Crypt (object):
def __init__(me, ep = '', rng = rand):
return _base._pss_encode(msg, nbits, me.mgf, me.hash, me.saltsz, me.rng)
def decode(me, msg, sig, nbits):
return _base._pss_decode(msg, sig, nbits,
- me.mgf, me.hash, me.saltsz, me.rng)
+ me.mgf, me.hash, me.saltsz, me.rng)
class _tmp:
def encrypt(me, msg, enc):
def sign(me, msg, enc): return me.privop(enc.encode(msg, me.n.nbits))
_augment(RSAPriv, _tmp)
-#----- Built-in named curves and prime groups -------------------------------
+###--------------------------------------------------------------------------
+### Built-in named curves and prime groups.
class _groupmap (object):
def __init__(me, map, nth):
primegroups = _groupmap(_base._pgroups, DHInfo._groupn)
bingroups = _groupmap(_base._bingroups, BinDHInfo._groupn)
-#----- Prime number generation ----------------------------------------------
+###--------------------------------------------------------------------------
+### Prime number generation.
class PrimeGenEventHandler (object):
def pg_begin(me, ev):
def sgprime(start, step = 2, name = 'p', event = pgen_nullev, nsteps = 0):
start = MP(start)
return pgen(start, name, SimulStepper(step = step), SimulTester(), event,
- nsteps, RabinMiller.iters(start.nbits))
+ nsteps, RabinMiller.iters(start.nbits))
def findprimitive(mod, hh = [], exp = None, name = 'g', event = pgen_nullev):
return pgen(0, name, PrimitiveStepper(), PrimitiveTester(mod, hh, exp),
- event, 0, 1)
+ event, 0, 1)
def kcdsaprime(pbits, qbits, rng = rand,
- event = pgen_nullev, name = 'p', nsteps = 0):
+ event = pgen_nullev, name = 'p', nsteps = 0):
hbits = pbits - qbits
h = pgen(rng.mp(hbits, 1), name + ' [h]',
- PrimeGenStepper(2), PrimeGenTester(),
- event, nsteps, RabinMiller.iters(hbits))
+ PrimeGenStepper(2), PrimeGenTester(),
+ event, nsteps, RabinMiller.iters(hbits))
q = pgen(rng.mp(qbits, 1), name, SimulStepper(2 * h, 1, 2),
- SimulTester(2 * h, 1), event, nsteps, RabinMiller.iters(qbits))
+ SimulTester(2 * h, 1), event, nsteps, RabinMiller.iters(qbits))
p = 2 * q * h + 1
return p, q, h