/* -*-c-*-
- *
- * $Id$
*
* Random-number generators
*
* (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.
static PyObject *grmeth_word(PyObject *me, PyObject *arg)
{
if (!PyArg_ParseTuple(arg, ":word")) return (0);
- return (getu32(grand_word(GRAND_R(me))));
+ return (getulong(grand_word(GRAND_R(me))));
}
static PyObject *grmeth_range(PyObject *me, PyObject *arg)
if (!PyArg_ParseTuple(arg, "O:range", &m)) return (0);
if (PyInt_Check(m)) {
long mm = PyInt_AS_LONG(m);
- if (mm < 0)
- goto negative;
+ if (mm <= 0)
+ goto notpos;
if (mm <= 0xffffffff)
return (PyInt_FromLong(grand_range(GRAND_R(me), mm)));
}
if ((x = getmp(m)) == 0)
goto end;
- if (MP_NEGP(x))
- goto negative;
+ if (!MP_POSP(x))
+ goto notpos;
y = mprand_range(MP_NEW, x, GRAND_R(me), 0);
MP_DROP(x);
return (mp_pywrap(y));
-negative:
- TYERR("range must be nonnegative");
+notpos:
+ VALERR("range must be strictly positive");
end:
if (x) MP_DROP(x);
return (0);
static PyObject *grmeth_mp(PyObject *me, PyObject *arg, PyObject *kw)
{
size_t l;
- mpw o;
+ mpw o = 0;
char *kwlist[] = { "bits", "or", 0 };
if (!PyArg_ParseTupleAndKeywords(arg, kw, "O&|O&:mp", kwlist,
convszt, &l, convmpw, &o))
goto end;
+ if (l < MPW_BITS && (o >> l)) VALERR("or mask too large");
return (mp_pywrap(mprand(MP_NEW, l, GRAND_R(me), o)));
end:
return (0);
METH (byte, "R.byte() -> BYTE")
METH (word, "R.word() -> WORD")
METH (block, "R.block(N) -> STRING")
- KWMETH(mp, "R.mp(bits, or = 0) -> MP")
+ KWMETH(mp, "R.mp(bits, [or = 0]) -> MP")
METH (range, "R.range(MAX) -> INT")
METH (mask, "R.mask(STR) -> STR")
METH (seedint, "R.seedint(I)")
static PyTypeObject grand_pytype_skel = {
PyObject_HEAD_INIT(0) 0, /* Header */
- "catacomb.GRand", /* @tp_name@ */
+ "GRand", /* @tp_name@ */
sizeof(grand_pyobj), /* @tp_basicsize@ */
0, /* @tp_itemsize@ */
static PyTypeObject lcrand_pytype_skel = {
PyObject_HEAD_INIT(0) 0, /* Header */
- "catacomb.LCRand", /* @tp_name@ */
+ "LCRand", /* @tp_name@ */
sizeof(grand_pyobj), /* @tp_basicsize@ */
0, /* @tp_itemsize@ */
static PyTypeObject fibrand_pytype_skel = {
PyObject_HEAD_INIT(0) 0, /* Header */
- "catacomb.FibRand", /* @tp_name@ */
+ "FibRand", /* @tp_name@ */
sizeof(grand_pyobj), /* @tp_basicsize@ */
0, /* @tp_itemsize@ */
static PyGetSetDef truerand_pygetset[] = {
#define GETSETNAME(op, name) tr##op##_##name
- GET (goodbits, "R.goodbits -> good bits of entropy remaining")
+ GET (goodbits, "R.goodbits -> good bits of entropy remaining")
#undef GETSETNAME
{ 0 }
};
static PyTypeObject truerand_pytype_skel = {
PyObject_HEAD_INIT(0) 0, /* Header */
- "catacomb.TrueRand", /* @tp_name@ */
+ "TrueRand", /* @tp_name@ */
sizeof(grand_pyobj), /* @tp_basicsize@ */
0, /* @tp_itemsize@ */
typedef grand *gcrand_func(const void *, size_t sz);
typedef grand *gcirand_func(const void *, size_t sz, uint32);
+typedef grand *gcnrand_func(const void *, size_t sz, const void *);
typedef struct gccrand_info {
const char *name;
const octet *keysz;
unsigned f;
+ size_t noncesz;
gcrand_func *func;
} gccrand_info;
+#define RNGF_INT 1u
+#define RNGF_NONCE 2u
+
typedef struct gccrand_pyobj {
PyHeapTypeObject ty;
const gccrand_info *info;
} gccrand_pyobj;
#define GCCRAND_INFO(o) (((gccrand_pyobj *)(o))->info)
-#define GCCRAND_DEF(name, ksz, func, f) \
+#define GCCRAND_DEF(name, ksz, func, f, nsz) \
static const gccrand_info func##_info = \
- { name, ksz, f, (gcrand_func *)func };
+ { name, ksz, f, nsz, (gcrand_func *)func };
RNGS(GCCRAND_DEF)
static const gccrand_info *const gcrandtab[] = {
-#define GCCRAND_ENTRY(name, ksz, func, f) &func##_info,
+#define GCCRAND_ENTRY(name, ksz, func, f, nsz) &func##_info,
RNGS(GCCRAND_ENTRY)
0
};
if (keysz(n, info->keysz) != n) VALERR("bad key length");
return (grand_dopywrap(ty, info->func(k, n), f_freeme));
end:
- return (0);
+ return (0);
}
static PyObject *gcirand_pynew(PyTypeObject *ty, PyObject *arg, PyObject *kw)
((gcirand_func *)info->func)(k, n, i),
f_freeme));
end:
- return (0);
+ return (0);
+}
+
+static PyObject *gcnrand_pynew(PyTypeObject *ty, PyObject *arg, PyObject *kw)
+{
+ const gccrand_info *info = GCCRAND_INFO(ty);
+ static char *kwlist[] = { "key", "nonce", 0 };
+ char *k, *n;
+ int ksz, nsz;
+
+ if (!PyArg_ParseTupleAndKeywords(arg, kw, "s#s#:new", kwlist,
+ &k, &ksz, &n, &nsz))
+ goto end;
+ if (keysz(ksz, info->keysz) != ksz) VALERR("bad key length");
+ if (nsz != info->noncesz) VALERR("bad nonce length");
+ return (grand_dopywrap(ty,
+ ((gcnrand_func *)info->func)(k, ksz, n),
+ f_freeme));
+end:
+ return (0);
}
static PyObject *gccrand_pywrap(const gccrand_info *info)
{
gccrand_pyobj *g = newtype(gccrand_pytype, 0, info->name);
g->info = info;
- g->ty.type.tp_basicsize = sizeof(grand_pyobj);
- g->ty.type.tp_base = gcrand_pytype;
+ g->ty.ht_type.tp_basicsize = sizeof(grand_pyobj);
+ g->ty.ht_type.tp_base = gcrand_pytype;
Py_INCREF(gcrand_pytype);
- g->ty.type.tp_flags = (Py_TPFLAGS_DEFAULT |
- Py_TPFLAGS_BASETYPE |
- Py_TPFLAGS_HEAPTYPE);
- g->ty.type.tp_alloc = PyType_GenericAlloc;
- g->ty.type.tp_free = 0;
- if (info->f & RNGF_INT)
- g->ty.type.tp_new = gcirand_pynew;
- else
- g->ty.type.tp_new = gcrand_pynew;
- PyType_Ready(&g->ty.type);
+ g->ty.ht_type.tp_flags = (Py_TPFLAGS_DEFAULT |
+ Py_TPFLAGS_BASETYPE |
+ Py_TPFLAGS_HEAPTYPE);
+ g->ty.ht_type.tp_alloc = PyType_GenericAlloc;
+ g->ty.ht_type.tp_free = 0;
+ if (info->f & RNGF_INT) g->ty.ht_type.tp_new = gcirand_pynew;
+ else if (info->f & RNGF_NONCE) g->ty.ht_type.tp_new = gcnrand_pynew;
+ else g->ty.ht_type.tp_new = gcrand_pynew;
+ typeready(&g->ty.ht_type);
return ((PyObject *)g);
}
static PyTypeObject gccrand_pytype_skel = {
PyObject_HEAD_INIT(0) 0, /* Header */
- "catacomb.GCCRand", /* @tp_name@ */
+ "GCCRand", /* @tp_name@ */
sizeof(gccrand_pyobj), /* @tp_basicsize@ */
0, /* @tp_itemsize@ */
static PyTypeObject gcrand_pytype_skel = {
PyObject_HEAD_INIT(0) 0, /* Header */
- "catacomb.GCRand", /* @tp_name@ */
+ "GCRand", /* @tp_name@ */
sizeof(grand_pyobj), /* @tp_basicsize@ */
0, /* @tp_itemsize@ */
static PyTypeObject sslprf_pytype_skel = {
PyObject_HEAD_INIT(0) 0, /* Header */
- "catacomb.SSLRand", /* @tp_name@ */
+ "SSLRand", /* @tp_name@ */
sizeof(grand_pyobj), /* @tp_basicsize@ */
0, /* @tp_itemsize@ */
static PyTypeObject tlsdx_pytype_skel = {
PyObject_HEAD_INIT(0) 0, /* Header */
- "catacomb.TLSDataExpansion", /* @tp_name@ */
+ "TLSDataExpansion", /* @tp_name@ */
sizeof(grand_pyobj), /* @tp_basicsize@ */
0, /* @tp_itemsize@ */
static PyTypeObject tlsprf_pytype_skel = {
PyObject_HEAD_INIT(0) 0, /* Header */
- "catacomb.TLSPRF", /* @tp_name@ */
+ "TLSPRF", /* @tp_name@ */
sizeof(grand_pyobj), /* @tp_basicsize@ */
0, /* @tp_itemsize@ */
goto end;
rc = grand_dopywrap(ty, dsarand_create(p, sz), f_freeme);
end:
- return (0);
+ return (rc);
}
static PyObject *drget_seed(PyObject *me, void *hunoz)
static PyTypeObject dsarand_pytype_skel = {
PyObject_HEAD_INIT(0) 0, /* Header */
- "catacomb.DSARand", /* @tp_name@ */
+ "DSARand", /* @tp_name@ */
sizeof(grand_pyobj), /* @tp_basicsize@ */
0, /* @tp_itemsize@ */
grand *r = GRAND_R(me); unsigned n; uint32 w;
if (!PyArg_ParseTuple(arg, "O&:bits", convuint, &n)) goto end;
if (n > 32) VALERR("can't get more than 32 bits");
- r->ops->misc(r, BBS_BITS, n, &w); return (getu32(w));
+ r->ops->misc(r, BBS_BITS, n, &w); return (getulong(w));
end:
return (0);
}
static PyTypeObject bbs_pytype_skel = {
PyObject_HEAD_INIT(0) 0, /* Header */
- "catacomb.BlumBlumShub", /* @tp_name@ */
+ "BlumBlumShub", /* @tp_name@ */
sizeof(grand_pyobj), /* @tp_basicsize@ */
0, /* @tp_itemsize@ */
rc->bp.n = MP_COPY(bp.n);
end:
mp_drop(bp.p); mp_drop(bp.q); mp_drop(bp.n); mp_drop(x);
- return ((PyObject *)rc);
+ return ((PyObject *)rc);
}
static void bbspriv_pydealloc(PyObject *me)
static PyGetSetDef bbspriv_pygetset[] = {
#define GETSETNAME(op, name) bp##op##_##name
- GET (n, "R.n -> Blum modulus")
- GET (p, "R.p -> one of the factors of the modulus")
- GET (q, "R.q -> one of the factors of the modulus")
+ GET (n, "R.n -> Blum modulus")
+ GET (p, "R.p -> one of the factors of the modulus")
+ GET (q, "R.q -> one of the factors of the modulus")
#undef GETSETNAME
{ 0 }
};
static PyTypeObject bbspriv_pytype_skel = {
PyObject_HEAD_INIT(0) 0, /* Header */
- "catacomb.BBSPriv", /* @tp_name@ */
+ "BBSPriv", /* @tp_name@ */
sizeof(bbspriv_pyobj), /* @tp_basicsize@ */
0, /* @tp_itemsize@ */
~mdw / catacomb-python / blobdiff