/* -*-c-*-
*
- * $Id$
- *
* Abstract group inteface
*
* (c) 2004 Straylight/Edgeware
*/
-/*----- Licensing notice --------------------------------------------------*
+/*----- Licensing notice --------------------------------------------------*
*
* This file is part of the Python interface to Catacomb.
*
* 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.
PyObject *fginfo_pywrap(gprime_param *dp, PyTypeObject *ty)
{
fginfo_pyobj *z = PyObject_New(fginfo_pyobj, ty);
- z->dp.p = MP_COPY(dp->p);
- z->dp.q = MP_COPY(dp->q);
- z->dp.g = MP_COPY(dp->g);
+ z->dp = *dp;
return ((PyObject *)z);
}
if (!PyArg_ParseTupleAndKeywords(arg, kw, "O&O&O&:new", kwlist,
convmp, &dp.p,
convmp, &dp.q,
- &convmp, dp.g))
+ convmp, &dp.g))
goto end;
z = PyObject_New(fginfo_pyobj, ty);
z->dp = dp;
}
static PyObject *figet_r(PyObject *me, void *hunoz)
- { return mp_pywrap(FGINFO_DP(me)->q); }
+ { return mp_pywrap(MP_COPY(FGINFO_DP(me)->q)); }
static PyObject *diget_p(PyObject *me, void *hunoz)
- { return mp_pywrap(FGINFO_DP(me)->p); }
+ { return mp_pywrap(MP_COPY(FGINFO_DP(me)->p)); }
static PyObject *diget_g(PyObject *me, void *hunoz)
- { return mp_pywrap(FGINFO_DP(me)->g); }
+ { return mp_pywrap(MP_COPY(FGINFO_DP(me)->g)); }
static PyObject *biget_p(PyObject *me, void *hunoz)
- { return gf_pywrap(FGINFO_DP(me)->p); }
+ { return gf_pywrap(MP_COPY(FGINFO_DP(me)->p)); }
static PyObject *biget_m(PyObject *me, void *hunoz)
{ return PyInt_FromLong(mp_octets(FGINFO_DP(me)->p) - 1); }
static PyObject *biget_g(PyObject *me, void *hunoz)
- { return gf_pywrap(FGINFO_DP(me)->g); }
+ { return gf_pywrap(MP_COPY(FGINFO_DP(me)->g)); }
static void fginfo_pydealloc(PyObject *me)
{
return (rc);
}
+static PyObject *meth__DHInfo_genkcdsa(PyObject *me,
+ PyObject *arg, PyObject *kw)
+{
+ dh_param dp;
+ unsigned ql, pl;
+ unsigned steps = 0;
+ grand *r = &rand_global;
+ pgev evt = { 0 };
+ char *kwlist[] = { "class", "pbits", "qbits",
+ "event", "rng", "nsteps", 0 };
+ mp *v = MP_NEW;
+ PyObject *rc = 0;
+
+ if (!PyArg_ParseTupleAndKeywords(arg, kw, "OO&O&|O&O&O&:genkcdsa", kwlist,
+ &me, convuint, &pl, convuint, &ql,
+ convpgev, &evt, convgrand, &r,
+ convuint, &steps))
+ goto end;
+ if (dh_kcdsagen(&dp, ql, pl, 0, steps, r, evt.proc, evt.ctx))
+ PGENERR;
+ mp_div(&v, 0, dp.p, dp.q);
+ v = mp_lsr(v, v, 1);
+ rc = Py_BuildValue("(NN)", fginfo_pywrap(&dp, dhinfo_pytype),
+ mp_pywrap(v));
+end:
+ droppgev(&evt);
+ return (rc);
+}
+
static PyObject *meth__DHInfo_gendsa(PyObject *me,
PyObject *arg, PyObject *kw)
{
unsigned steps = 0;
dsa_seed ds;
char *k;
- int ksz;
+ Py_ssize_t ksz;
pgev evt = { 0 };
char *kwlist[] =
{ "class", "pbits", "qbits", "seed", "event", "nsteps", 0 };
}
c = PyInt_FromLong(i);
found:
- PyDict_SetItemString(d, (/*unconst*/ char *)pp[i].name, c);
+ PyDict_SetItemString(d, (/*unconst*/ char *)p, c);
Py_DECREF(c);
}
*ne = i;
- return (d);
+ return (d);
}
static PyObject *meth__groupn(PyObject *me, PyObject *arg,
if (!PyArg_ParseTuple(arg, "Os:parse", &me, &p)) goto end;
qd.p = p;
qd.e = 0;
- if (parse(&qd, &gp)) SYNERR(qd.e);
+ if (parse(&qd, &gp)) VALERR(qd.e);
rc = fginfo_pywrap(&gp, ty);
end:
- return (rc);
+ return (rc);
}
static PyObject *meth__DHInfo_parse(PyObject *me, PyObject *arg)
static PyTypeObject fginfo_pytype_skel = {
PyObject_HEAD_INIT(0) 0, /* Header */
- "catacomb.FGInfo", /* @tp_name@ */
+ "FGInfo", /* @tp_name@ */
sizeof(fginfo_pyobj), /* @tp_basicsize@ */
0, /* @tp_itemsize@ */
static PyTypeObject dhinfo_pytype_skel = {
PyObject_HEAD_INIT(0) 0, /* Header */
- "catacomb.DHInfo", /* @tp_name@ */
+ "DHInfo", /* @tp_name@ */
sizeof(fginfo_pyobj), /* @tp_basicsize@ */
0, /* @tp_itemsize@ */
static PyTypeObject bindhinfo_pytype_skel = {
PyObject_HEAD_INIT(0) 0, /* Header */
- "catacomb.BinDHInfo", /* @tp_name@ */
+ "BinDHInfo", /* @tp_name@ */
sizeof(fginfo_pyobj), /* @tp_basicsize@ */
0, /* @tp_itemsize@ */
gb.p = gc->r.p;
gb.q = gc->g.r;
g = group_binary(&gb);
- MP_DROP(gb.g);
+ MP_DROP(gb.g);
} else if (strcmp(G_NAME(g), "ec") == 0) {
gctx_ec *gc = (gctx_ec *)g;
ec_info ei;
sc.buf = PyString_AS_STRING(x);
sc.lim = sc.buf + PyString_GET_SIZE(x);
if (G_READ(g, xx, &mptext_stringops, &sc) || sc.buf < sc.lim)
- SYNERR("malformed group element string");
+ VALERR("malformed group element string");
} else
TYERR("can't convert to group element");
return (ge_pywrap((PyObject *)ty, xx));
{
group_pyobj *gobj = newtype(ty, 0, g->ops->name);
gobj->g = g;
- gobj->ty.type.tp_basicsize = sizeof(ge_pyobj);
- gobj->ty.type.tp_base = ge_pytype;
+ gobj->ty.ht_type.tp_basicsize = sizeof(ge_pyobj);
+ gobj->ty.ht_type.tp_base = ge_pytype;
Py_INCREF(group_pytype);
- gobj->ty.type.tp_flags = (Py_TPFLAGS_DEFAULT |
- Py_TPFLAGS_BASETYPE |
- Py_TPFLAGS_CHECKTYPES |
- Py_TPFLAGS_HEAPTYPE);
- gobj->ty.type.tp_alloc = PyType_GenericAlloc;
- gobj->ty.type.tp_free = 0;
- gobj->ty.type.tp_new = ge_pynew;
- PyType_Ready(&gobj->ty.type);
+ gobj->ty.ht_type.tp_flags = (Py_TPFLAGS_DEFAULT |
+ Py_TPFLAGS_BASETYPE |
+ Py_TPFLAGS_CHECKTYPES |
+ Py_TPFLAGS_HEAPTYPE);
+ gobj->ty.ht_type.tp_alloc = PyType_GenericAlloc;
+ gobj->ty.ht_type.tp_free = 0;
+ gobj->ty.ht_type.tp_new = ge_pynew;
+ typeready(&gobj->ty.ht_type);
return ((PyObject *)gobj);
}
if ((x = G_TOINT(GE_G(me), MP_NEW, GE_X(me))) == 0)
TYERR("can't convert to integer");
- if (mp_tolong_checked(x, &l)) goto end;
- rc = PyInt_FromLong(l);
+ if (!mp_tolong_checked(x, &l, 0)) rc = PyInt_FromLong(l);
+ else rc = mp_topylong(x);
end:
mp_drop(x);
return (rc);
static PyObject *gemeth_toec(PyObject *me, PyObject *arg, PyObject *kw)
{
char *kwlist[] = { "curve", 0 };
- PyTypeObject *cty = ecpt_pytype;
+ PyTypeObject *cty = 0;
+ PyObject *rc = 0;
+ group *g;
+ ec_curve *c;
ec p = EC_INIT;
if (!PyArg_ParseTupleAndKeywords(arg, kw, "|O:toec", kwlist,
&cty)) goto end;
- if (!PyType_Check(cty) || !PyType_IsSubtype(cty, ecpt_pytype))
- TYERR("want subtype of catacomb.ECPt");
- if (G_TOEC(GE_G(me), &p, GE_X(me)))
+ g = GROUP_G(GE_GOBJ(me));
+ if (cty) {
+ if (!PyType_Check(cty) || !PyType_IsSubtype(cty, ecpt_pytype))
+ TYERR("want subtype of catacomb.ECPt");
+ Py_INCREF((PyObject *)cty);
+ } else if (strcmp(G_NAME(g), "ec") == 0) {
+ c = eccurve_copy(((gctx_ec *)g)->ei.c);
+ cty = (PyTypeObject *)eccurve_pywrap(0, c);
+ } else {
+ cty = ecpt_pytype;
+ Py_INCREF((PyObject *)cty);
+ }
+ if (G_TOEC(GE_G(me), &p, GE_X(me))) {
+ Py_DECREF((PyObject *)cty);
TYERR("can't convert to ec point");
- return (ecpt_pywrapout(cty, &p));
+ }
+ rc = ecpt_pywrapout(cty, &p);
+ Py_DECREF((PyObject *)cty);
end:
- return (0);
+ return (rc);
}
static PyObject *gemeth_tobuf(PyObject *me, PyObject *arg)
gmexp_id, gmexp_fill, gmexp_exp, gmexp_drop));
}
-static PyObject *gmeth_check(PyObject *me, PyObject *arg, PyObject *kw)
+static PyObject *gmeth_checkgroup(PyObject *me, PyObject *arg, PyObject *kw)
{
char *kwlist[] = { "rng", 0 };
grand *r = &rand_global;
const char *p;
- if (!PyArg_ParseTupleAndKeywords(arg, kw, "|O&:check", kwlist,
+ if (!PyArg_ParseTupleAndKeywords(arg, kw, "|O&:checkgroup", kwlist,
convgrand, &r))
goto end;
if ((p = G_CHECK(GROUP_G(me), r)) != 0)
{
buf b;
char *p;
- int n;
+ Py_ssize_t n;
group *g;
ge *x = 0;
{
buf b;
char *p;
- int n;
+ Py_ssize_t n;
group *g;
ge *x = 0;
{
mptext_stringctx sc;
char *p;
- int n;
+ Py_ssize_t n;
group *g;
ge *x = 0;
g = GROUP_G(me);
x = G_CREATE(g);
if (G_READ(g, x, &mptext_stringops, &sc))
- SYNERR("bad group element string");
+ VALERR("bad group element string");
return (Py_BuildValue("(Ns#)", ge_pywrap(me, x),
- sc.buf, (int)(sc.lim - sc.buf)));
+ sc.buf, (Py_ssize_t)(sc.lim - sc.buf)));
end:
if (x) G_DESTROY(g, x);
return (0);
qd.p = p;
qd.e = 0;
if ((g = group_parse(&qd)) == 0)
- SYNERR(qd.e);
+ VALERR(qd.e);
return (group_pywrap(g));
end:
return (0);
G_COPY(g, x, g->g); return (ge_pywrap(me, x));
}
+static long ge_pyhash(PyObject *me)
+{
+ buf b;
+ size_t sz = GE_G(me)->noctets + 4;
+ uint32 h = 0xf672c776 + GE_G(me)->ops->ty;
+ octet *p = xmalloc(sz);
+ buf_init(&b, p, sz);
+ G_TOBUF(GE_G(me), &b, GE_X(me));
+ assert(BOK(&b));
+ h = unihash_hash(&unihash_global, h, BBASE(&b), BLEN(&b));
+ xfree(p);
+ return (h % LONG_MAX);
+}
+
static PyObject *gget_r(PyObject *me, void *hunoz)
{ return (mp_pywrap(MP_COPY(GROUP_G(me)->r))); }
static PyTypeObject ge_pytype_skel = {
PyObject_HEAD_INIT(0) 0, /* Header */
- "catacomb.GE", /* @tp_name@ */
+ "GE", /* @tp_name@ */
sizeof(ge_pyobj), /* @tp_basicsize@ */
0, /* @tp_itemsize@ */
&ge_pynumber, /* @tp_as_number@ */
0, /* @tp_as_sequence@ */
0, /* @tp_as_mapping@ */
- 0, /* @tp_hash@ */
+ ge_pyhash, /* @tp_hash@ */
0, /* @tp_call@ */
ge_pystr, /* @tp_str@ */
0, /* @tp_getattro@ */
#define METHNAME(name) gmeth_##name
METH (mexp, "\
G.mexp([(X0, N0), (X1, N1), ...]) -> X0^N0 X1^N1 ...")
- KWMETH(check, "G.check(rand = random): check group is good")
+ KWMETH(checkgroup, "G.checkgroup(rand = random): check group is good")
#undef METHNAME
{ 0 }
};
static PyTypeObject group_pytype_skel = {
PyObject_HEAD_INIT(0) 0, /* Header */
- "catacomb.Group", /* @tp_name@ */
+ "Group", /* @tp_name@ */
sizeof(group_pyobj), /* @tp_basicsize@ */
0, /* @tp_itemsize@ */
gctx_prime *gg = (gctx_prime *)GROUP_G(me);
dp.p = MP_COPY(gg->mm.m);
dp.q = MP_COPY(gg->g.r);
- dp.g = mpmont_reduce(&gg->mm, MP_NEW, gg->gen);
+ dp.g = mpmont_reduce(&gg->mm, MP_NEW, gg->gen.x);
return (fginfo_pywrap(&dp, dhinfo_pytype));
}
static PyTypeObject primegroup_pytype_skel = {
PyObject_HEAD_INIT(0) 0, /* Header */
- "catacomb.PrimeGroup", /* @tp_name@ */
+ "PrimeGroup", /* @tp_name@ */
sizeof(group_pyobj), /* @tp_basicsize@ */
0, /* @tp_itemsize@ */
gctx_bin *gg = (gctx_bin *)GROUP_G(me);
dp.p = MP_COPY(gg->r.p);
dp.q = MP_COPY(gg->g.r);
- dp.g = MP_COPY(gg->gen);
+ dp.g = MP_COPY(gg->gen.x);
return (fginfo_pywrap(&dp, bindhinfo_pytype));
}
static PyTypeObject bingroup_pytype_skel = {
PyObject_HEAD_INIT(0) 0, /* Header */
- "catacomb.BinGroup", /* @tp_name@ */
+ "BinGroup", /* @tp_name@ */
sizeof(group_pyobj), /* @tp_basicsize@ */
0, /* @tp_itemsize@ */
static PyTypeObject ecgroup_pytype_skel = {
PyObject_HEAD_INIT(0) 0, /* Header */
- "catacomb.ECGroup", /* @tp_name@ */
+ "ECGroup", /* @tp_name@ */
sizeof(group_pyobj), /* @tp_basicsize@ */
0, /* @tp_itemsize@ */
METH (_BinDHInfo__groupn, 0)
KWMETH(_DHInfo_generate, "\
generate(PBITS, [qbits = 0, event = pgen_nullev,\n\
- rng = rand, nsteps = 0]) -> D")
+ rng = rand, nsteps = 0]) -> D")
KWMETH(_DHInfo_genlimlee, "\
genlimlee(PBITS, QBITS, [event = pgen_nullev, ievent = pgen_nullev,\n\
- rng = rand, nsteps = 0, subgroupp = True]) -> (D, [Q, ...])")
+ rng = rand, nsteps = 0, subgroupp = True]) -> (D, [Q, ...])")
KWMETH(_DHInfo_gendsa, "\
gendsa(PBITS, QBITS, SEED, [event = pgen_nullev, nsteps = 0])\n\
-> (D, SEED, COUNT)")
+ KWMETH(_DHInfo_genkcdsa, "\
+gendsa(PBITS, QBITS, [event = pgen_nullev, rng = rand, nsteps = 0])\n\
+ -> (D, V)")
#undef METHNAME
{ 0 }
};