/*----- Header files ------------------------------------------------------*/
#include "catacomb-python.h"
+PUBLIC_SYMBOLS;
#include "algorithms.h"
+PRIVATE_SYMBOLS;
/*----- Main code ---------------------------------------------------------*/
-PyTypeObject *grand_pytype, *truerand_pytype;
-PyTypeObject *lcrand_pytype, *fibrand_pytype;
-PyTypeObject *dsarand_pytype, *bbs_pytype, *bbspriv_pytype;
-PyTypeObject *sslprf_pytype, *tlsdx_pytype, *tlsprf_pytype;
+PyTypeObject *grand_pytype;
+static PyTypeObject *truerand_pytype;
+static PyTypeObject *lcrand_pytype, *fibrand_pytype;
+static PyTypeObject *dsarand_pytype, *bbs_pytype, *bbspriv_pytype;
+static PyTypeObject *sslprf_pytype, *tlsdx_pytype, *tlsprf_pytype;
PyObject *rand_pyobj;
static PyObject *gccrands_dict;
PyTypeObject *ty = grand_pytype;
PyObject *ob;
- if (strcmp(r->ops->name, "rand") == 0) ty = truerand_pytype;
- else if (strcmp(r->ops->name, "lcrand") == 0) ty = lcrand_pytype;
- else if (strcmp(r->ops->name, "fibrand") == 0) ty = fibrand_pytype;
- else if (strcmp(r->ops->name, "dsarand") == 0) ty = dsarand_pytype;
- else if (strcmp(r->ops->name, "bbs") == 0) ty = bbs_pytype;
- else if (strcmp(r->ops->name, "sslprf") == 0) ty = sslprf_pytype;
- else if (strcmp(r->ops->name, "tlsdx") == 0) ty = tlsdx_pytype;
- else if (strcmp(r->ops->name, "tlsprf") == 0) ty = tlsprf_pytype;
- else if ((ob = PyDict_GetItemString(gccrands_dict, r->ops->name)) != 0)
+ if (STRCMP(r->ops->name, ==, "rand")) ty = truerand_pytype;
+ else if (STRCMP(r->ops->name, ==, "lcrand")) ty = lcrand_pytype;
+ else if (STRCMP(r->ops->name, ==, "fibrand")) ty = fibrand_pytype;
+ else if (STRCMP(r->ops->name, ==, "dsarand")) ty = dsarand_pytype;
+ else if (STRCMP(r->ops->name, ==, "bbs")) ty = bbs_pytype;
+ else if (STRCMP(r->ops->name, ==, "sslprf")) ty = sslprf_pytype;
+ else if (STRCMP(r->ops->name, ==, "tlsdx")) ty = tlsdx_pytype;
+ else if (STRCMP(r->ops->name, ==, "tlsprf")) ty = tlsprf_pytype;
+ else if ((ob = PyMapping_GetItemString
+ (gccrands_dict, (/*unconst*/ char *)r->ops->name)) != 0)
ty = (PyTypeObject *)ob;
return (grand_dopywrap(ty, r, f));
}
return (-1);
}
-static PyObject *grmeth_byte(PyObject *me, PyObject *arg)
+static PyObject *grmeth_byte(PyObject *me)
{
- if (!PyArg_ParseTuple(arg, ":byte")) return (0);
if (grand_check(me)) return (0);
return (PyInt_FromLong(grand_byte(GRAND_R(me))));
}
-static PyObject *grmeth_word(PyObject *me, PyObject *arg)
+static PyObject *grmeth_word(PyObject *me)
{
- if (!PyArg_ParseTuple(arg, ":word")) return (0);
if (grand_check(me)) return (0);
return (getulong(grand_word(GRAND_R(me))));
}
if (!PyArg_ParseTuple(arg, "O:range", &m)) return (0);
if (grand_check(me)) return (0);
if (PyInt_Check(m)) {
- long mm = PyInt_AS_LONG(m);
- if (mm <= 0)
- goto notpos;
- if (mm <= 0xffffffff)
+ long mm = PyInt_AsLong(m);
+ if (mm == -1 && PyErr_Occurred()) PyErr_Clear();
+ else if (mm <= 0) goto notpos;
+ else if (mm <= 0xffffffff)
return (PyInt_FromLong(grand_range(GRAND_R(me), mm)));
}
- if ((x = getmp(m)) == 0)
- goto end;
- if (!MP_POSP(x))
- goto notpos;
+ if ((x = getmp(m)) == 0) goto end;
+ if (!MP_POSP(x)) goto notpos;
y = mprand_range(MP_NEW, x, GRAND_R(me), 0);
MP_DROP(x);
return (mp_pywrap(y));
if (!PyArg_ParseTuple(arg, "O&:block", convulong, &n)) goto end;
if (grand_check(me)) return (0);
rc = bytestring_pywrap(0, n);
- grand_fill(GRAND_R(me), PyString_AS_STRING(rc), n);
+ grand_fill(GRAND_R(me), BIN_PTR(rc), n);
end:
return (rc);
}
static PyObject *grmeth_seedblock(PyObject *me, PyObject *arg)
{
- char *p;
- Py_ssize_t n;
+ struct bin in;
grand *r = GRAND_R(me);
- if (!PyArg_ParseTuple(arg, "s#:seedblock", &p, &n) ||
+ if (!PyArg_ParseTuple(arg, "O&:seedblock", convbin, &in) ||
grand_check(me) || checkop(r, GRAND_SEEDBLOCK, "seedblock"))
goto end;
- r->ops->misc(r, GRAND_SEEDBLOCK, p, (size_t)n);
+ r->ops->misc(r, GRAND_SEEDBLOCK, in.p, (size_t)in.sz);
RETURN_ME;
end:
return (0);
static PyObject *grmeth_mask(PyObject *me, PyObject *arg)
{
grand *r = GRAND_R(me);
- char *p, *q;
- Py_ssize_t sz;
+ struct bin in;
+ const octet *p; size_t n;
+ octet *q;
PyObject *rc;
- if (!PyArg_ParseTuple(arg, "s#:mask", &p, &sz)) return (0);
+ if (!PyArg_ParseTuple(arg, "O&:mask", convbin, &in)) return (0);
if (grand_check(me)) return (0);
- rc = bytestring_pywrap(0, sz);
- q = PyString_AS_STRING(rc);
- GR_FILL(r, q, sz);
- while (sz--) *q++ ^= *p++;
+ rc = bytestring_pywrap(0, in.sz);
+ q = (octet *)BIN_PTR(rc);
+ GR_FILL(r, q, in.sz);
+ p = in.p; n = in.sz; while (n--) *q++ ^= *p++;
return (rc);
}
}
static PyObject *grget_name(PyObject *me, void *hunoz)
- { return (grand_check(me) ? 0 : PyString_FromString(GRAND_R(me)->ops->name)); }
+ { return (grand_check(me) ? 0 : TEXT_FROMSTR(GRAND_R(me)->ops->name)); }
static PyObject *grget_cryptop(PyObject *me, void *hunoz)
{ return (grand_check(me) ? 0 : getbool(GRAND_R(me)->ops->f & GRAND_CRYPTO)); }
-static PyGetSetDef grand_pygetset[] = {
+static const PyGetSetDef grand_pygetset[] = {
#define GETSETNAME(op, name) gr##op##_##name
GET (name, "R.name -> name of this kind of generator")
GET (cryptop, "R.cryptop -> flag: cryptographically strong?")
{ 0 }
};
-static PyMethodDef grand_pymethods[] = {
+static const PyMethodDef grand_pymethods[] = {
#define METHNAME(name) grmeth_##name
- METH (byte, "R.byte() -> BYTE")
- METH (word, "R.word() -> WORD")
+ NAMETH(byte, "R.byte() -> BYTE")
+ NAMETH(word, "R.word() -> WORD")
METH (block, "R.block(N) -> STRING")
KWMETH(mp, "R.mp(bits, [or = 0]) -> MP")
METH (range, "R.range(MAX) -> INT")
{ 0 }
};
-static PyTypeObject grand_pytype_skel = {
- PyObject_HEAD_INIT(0) 0, /* Header */
+static const PyTypeObject grand_pytype_skel = {
+ PyVarObject_HEAD_INIT(0, 0) /* Header */
"GRand", /* @tp_name@ */
sizeof(grand_pyobj), /* @tp_basicsize@ */
0, /* @tp_itemsize@ */
Py_TPFLAGS_BASETYPE,
/* @tp_doc@ */
-"Generic random number source.",
+ "Generic random number source.",
0, /* @tp_traverse@ */
0, /* @tp_clear@ */
0, /* @tp_weaklistoffset@ */
0, /* @tp_iter@ */
0, /* @tp_iternext@ */
- grand_pymethods, /* @tp_methods@ */
+ PYMETHODS(grand), /* @tp_methods@ */
0, /* @tp_members@ */
- grand_pygetset, /* @tp_getset@ */
+ PYGETSET(grand), /* @tp_getset@ */
0, /* @tp_base@ */
0, /* @tp_dict@ */
0, /* @tp_descr_get@ */
return (grand_dopywrap(lcrand_pytype, lcrand_create(n), f_freeme));
}
-static PyTypeObject lcrand_pytype_skel = {
- PyObject_HEAD_INIT(0) 0, /* Header */
+static const PyTypeObject lcrand_pytype_skel = {
+ PyVarObject_HEAD_INIT(0, 0) /* Header */
"LCRand", /* @tp_name@ */
sizeof(grand_pyobj), /* @tp_basicsize@ */
0, /* @tp_itemsize@ */
Py_TPFLAGS_BASETYPE,
/* @tp_doc@ */
-"LCRand([seed = 0]): linear congruential generator.",
+ "LCRand([seed = 0]): linear congruential generator.",
0, /* @tp_traverse@ */
0, /* @tp_clear@ */
return (grand_dopywrap(fibrand_pytype, fibrand_create(n), f_freeme));
}
-static PyTypeObject fibrand_pytype_skel = {
- PyObject_HEAD_INIT(0) 0, /* Header */
+static const PyTypeObject fibrand_pytype_skel = {
+ PyVarObject_HEAD_INIT(0, 0) /* Header */
"FibRand", /* @tp_name@ */
sizeof(grand_pyobj), /* @tp_basicsize@ */
0, /* @tp_itemsize@ */
Py_TPFLAGS_BASETYPE,
/* @tp_doc@ */
-"FibRand([seed = 0]): Fibonacci generator.",
+ "FibRand([seed = 0]): Fibonacci generator.",
0, /* @tp_traverse@ */
0, /* @tp_clear@ */
/*----- True random generator ---------------------------------------------*/
-static PyObject *trmeth_gate(PyObject *me, PyObject *arg)
-{
- grand *r = GRAND_R(me);
- if (!PyArg_ParseTuple(arg, ":gate")) return (0);
- r->ops->misc(r, RAND_GATE);
- RETURN_ME;
-}
+static PyObject *trmeth_gate(PyObject *me)
+ { grand *r = GRAND_R(me); r->ops->misc(GRAND_R(me), RAND_GATE); RETURN_ME; }
-static PyObject *trmeth_stretch(PyObject *me, PyObject *arg)
-{
- grand *r = GRAND_R(me);
- if (!PyArg_ParseTuple(arg, ":stretch")) return (0);
- r->ops->misc(r, RAND_STRETCH);
- RETURN_ME;
-}
+static PyObject *trmeth_stretch(PyObject *me)
+ { grand *r = GRAND_R(me); r->ops->misc(r, RAND_STRETCH); RETURN_ME; }
static PyObject *trmeth_add(PyObject *me, PyObject *arg)
{
grand *r = GRAND_R(me);
- char *p; Py_ssize_t n; unsigned goodbits;
- if (!PyArg_ParseTuple(arg, "s#O&:add", &p, &n, convuint, &goodbits))
+ struct bin in; unsigned goodbits;
+ if (!PyArg_ParseTuple(arg, "O&O&:add", convbin, &in, convuint, &goodbits))
return (0);
- r->ops->misc(r, RAND_ADD, p, (size_t)n, goodbits);
+ r->ops->misc(r, RAND_ADD, in.p, (size_t)in.sz, goodbits);
RETURN_ME;
}
static PyObject *trmeth_key(PyObject *me, PyObject *arg)
{
grand *r = GRAND_R(me);
- char *p; Py_ssize_t n;
- if (!PyArg_ParseTuple(arg, "s#:key", &p, &n)) return (0);
- r->ops->misc(r, RAND_KEY, p, (size_t)n);
+ struct bin k;
+ if (!PyArg_ParseTuple(arg, "O&:key", convbin, &k)) return (0);
+ r->ops->misc(r, RAND_KEY, k.p, (size_t)k.sz);
RETURN_ME;
}
return (0);
}
-static PyObject *trmeth_timer(PyObject *me, PyObject *arg)
-{
- grand *r = GRAND_R(me);
- if (!PyArg_ParseTuple(arg, ":timer")) return (0);
- r->ops->misc(r, RAND_TIMER);
- RETURN_ME;
-}
+static PyObject *trmeth_timer(PyObject *me)
+ { grand *r = GRAND_R(me); r->ops->misc(r, RAND_TIMER); RETURN_ME; }
static PyObject *truerand_pynew(PyTypeObject *ty,
PyObject *arg, PyObject *kw)
return (rc);
}
-static PyMethodDef truerand_pymethods[] = {
+static const PyMethodDef truerand_pymethods[] = {
#define METHNAME(name) trmeth_##name
- METH (gate, "R.gate()")
- METH (stretch, "R.stretch()")
+ NAMETH(gate, "R.gate()")
+ NAMETH(stretch, "R.stretch()")
METH (key, "R.key(BYTES)")
METH (seed, "R.seed(NBITS)")
METH (add, "R.add(BYTES, GOODBITS")
- METH (timer, "R.timer()")
+ NAMETH(timer, "R.timer()")
#undef METHNAME
{ 0 }
};
return (PyInt_FromLong(r->ops->misc(r, RAND_GOODBITS)));
}
-static PyGetSetDef truerand_pygetset[] = {
+static const PyGetSetDef truerand_pygetset[] = {
#define GETSETNAME(op, name) tr##op##_##name
GET (goodbits, "R.goodbits -> good bits of entropy remaining")
#undef GETSETNAME
{ 0 }
};
-static PyTypeObject truerand_pytype_skel = {
- PyObject_HEAD_INIT(0) 0, /* Header */
+static const PyTypeObject truerand_pytype_skel = {
+ PyVarObject_HEAD_INIT(0, 0) /* Header */
"TrueRand", /* @tp_name@ */
sizeof(grand_pyobj), /* @tp_basicsize@ */
0, /* @tp_itemsize@ */
Py_TPFLAGS_BASETYPE,
/* @tp_doc@ */
-"TrueRand(): true random number source.",
+ "TrueRand(): true random number source.",
0, /* @tp_traverse@ */
0, /* @tp_clear@ */
0, /* @tp_weaklistoffset@ */
0, /* @tp_iter@ */
0, /* @tp_iternext@ */
- truerand_pymethods, /* @tp_methods@ */
+ PYMETHODS(truerand), /* @tp_methods@ */
0, /* @tp_members@ */
- truerand_pygetset, /* @tp_getset@ */
+ PYGETSET(truerand), /* @tp_getset@ */
0, /* @tp_base@ */
0, /* @tp_dict@ */
0, /* @tp_descr_get@ */
{
const gccrand_info *info = GCCRAND_INFO(ty);
static const char *const kwlist[] = { "key", 0 };
- char *k;
- Py_ssize_t n;
+ struct bin k;
- if (!PyArg_ParseTupleAndKeywords(arg, kw, "s#:new", KWLIST, &k, &n))
+ if (!PyArg_ParseTupleAndKeywords(arg, kw, "O&:new", KWLIST, convbin, &k))
goto end;
- if (keysz(n, info->keysz) != n) VALERR("bad key length");
- return (grand_dopywrap(ty, info->func(k, n), f_freeme));
+ if (keysz(k.sz, info->keysz) != k.sz) VALERR("bad key length");
+ return (grand_dopywrap(ty, info->func(k.p, k.sz), f_freeme));
end:
return (0);
}
const gccrand_info *info = GCCRAND_INFO(ty);
uint32 i = 0;
static const char *const kwlist[] = { "key", "i", 0 };
- char *k;
- Py_ssize_t n;
+ struct bin k;
- if (!PyArg_ParseTupleAndKeywords(arg, kw, "s#O&:new", KWLIST,
- &k, &n, convu32, &i))
+ if (!PyArg_ParseTupleAndKeywords(arg, kw, "O&|O&:new", KWLIST,
+ convbin, &k, convu32, &i))
goto end;
- if (keysz(n, info->keysz) != n) VALERR("bad key length");
+ if (keysz(k.sz, info->keysz) != k.sz) VALERR("bad key length");
return (grand_dopywrap(ty,
- ((gcirand_func *)info->func)(k, n, i),
+ ((gcirand_func *)info->func)(k.p, k.sz, i),
f_freeme));
end:
return (0);
{
const gccrand_info *info = GCCRAND_INFO(ty);
static const char *const kwlist[] = { "key", "nonce", 0 };
- char *k, *n;
- Py_ssize_t ksz, nsz;
+ static const octet zn[24] = { 0 };
+ struct bin k, n;
- if (!PyArg_ParseTupleAndKeywords(arg, kw, "s#s#:new", KWLIST,
- &k, &ksz, &n, &nsz))
+ n.p = zn; n.sz = info->noncesz; assert(info->noncesz <= sizeof(zn));
+ if (!PyArg_ParseTupleAndKeywords(arg, kw, "O&|O&:new", KWLIST,
+ convbin, &k, convbin, &n))
goto end;
- if (keysz(ksz, info->keysz) != ksz) VALERR("bad key length");
- if (nsz != info->noncesz) VALERR("bad nonce length");
+ if (keysz(k.sz, info->keysz) != k.sz) VALERR("bad key length");
+ if (n.sz != info->noncesz) VALERR("bad nonce length");
return (grand_dopywrap(ty,
- ((gcnrand_func *)info->func)(k, ksz, n),
+ ((gcnrand_func *)info->func)(k.p, k.sz, n.p),
f_freeme));
end:
return (0);
static const char
*const kwlist_shake[] = { "key", "func", "perso", 0 },
*const kwlist_func[] = { "key", "perso", 0 };
- char *k, *f = 0, *p = 0;
- Py_ssize_t ksz, fsz = 0, psz = 0;
+ struct bin k, f = { 0, 0 }, p = { 0, 0 };
if ((info->f&RNGF_MASK) == RNG_SHAKE
- ? !PyArg_ParseTupleAndKeywords(arg, kw, "s#|s#s#:new",
+ ? !PyArg_ParseTupleAndKeywords(arg, kw, "O&|O&O&:new",
(/*unconst*/ char **)kwlist_shake,
- &k, &ksz, &f, &fsz, &p, &psz)
- : !PyArg_ParseTupleAndKeywords(arg, kw, "s#|s#:new",
+ convbin, &k,
+ convbin, &f, convbin, &p)
+ : !PyArg_ParseTupleAndKeywords(arg, kw, "O&|O&:new",
(/*unconst*/ char **)kwlist_func,
- &k, &ksz, &p, &psz))
+ convbin, &k, convbin, &p))
goto end;
- if (keysz(ksz, info->keysz) != ksz) VALERR("bad key length");
+ if (keysz(k.sz, info->keysz) != k.sz) VALERR("bad key length");
return (grand_dopywrap(ty,
(info->f&RNGF_MASK) == RNG_SHAKE
- ? ((gcshakerand_func *)info->func)(f, fsz,
- p, psz,
- k, ksz)
- : ((gcshafuncrand_func *)info->func)(p, psz,
- k, ksz),
+ ? ((gcshakerand_func *)info->func)(f.p, f.sz,
+ p.p, p.sz,
+ k.p, k.sz)
+ : ((gcshafuncrand_func *)info->func)(p.p, p.sz,
+ k.p, k.sz),
f_freeme));
end:
return (0);
}
static PyObject *gccrget_name(PyObject *me, void *hunoz)
- { return (PyString_FromString(GCCRAND_INFO(me)->name)); }
+ { return (TEXT_FROMSTR(GCCRAND_INFO(me)->name)); }
static PyObject *gccrget_keysz(PyObject *me, void *hunoz)
{ return (keysz_pywrap(GCCRAND_INFO(me)->keysz)); }
-static PyObject *gclrmeth_tell(PyObject *me, PyObject *arg)
+static PyObject *gclrmeth_tell(PyObject *me)
{
grand *r = GRAND_R(me);
PyObject *rc = 0;
kludge64 off;
- if (!PyArg_ParseTuple(arg, ":tell")) return (0);
r->ops->misc(r, SALSA20_TELLU64, &off);
rc = getk64(off);
return (rc);
RETURN_ME;
}
-static PyGetSetDef gccrand_pygetset[] = {
+static const PyGetSetDef gccrand_pygetset[] = {
#define GETSETNAME(op, name) gccr##op##_##name
- GET (keysz, "CR.keysz -> acceptable key sizes")
- GET (name, "CR.name -> name of this kind of generator")
+ GET (keysz, "CR.keysz -> acceptable key sizes")
+ GET (name, "CR.name -> name of this kind of generator")
#undef GETSETNAME
{ 0 }
};
-static PyMethodDef gclatinrand_pymethods[] = {
+static const PyMethodDef gclatinrand_pymethods[] = {
#define METHNAME(name) gclrmeth_##name
- METH (tell, "R.tell() -> OFF")
+ NAMETH(tell, "R.tell() -> OFF")
METH (seek, "R.seek(OFF)")
#undef METHNAME
{ 0 }
};
-static PyTypeObject gccrand_pytype_skel = {
- PyObject_HEAD_INIT(0) 0, /* Header */
+static const PyTypeObject gccrand_pytype_skel = {
+ PyVarObject_HEAD_INIT(0, 0) /* Header */
"GCCRand", /* @tp_name@ */
sizeof(gccrand_pyobj), /* @tp_basicsize@ */
0, /* @tp_itemsize@ */
Py_TPFLAGS_BASETYPE,
/* @tp_doc@ */
-"Metaclass for symmetric crypto-based generators.",
+ "Metaclass for symmetric crypto-based generators.",
0, /* @tp_traverse@ */
0, /* @tp_clear@ */
0, /* @tp_iternext@ */
0, /* @tp_methods@ */
0, /* @tp_members@ */
- gccrand_pygetset, /* @tp_getset@ */
+ PYGETSET(gccrand), /* @tp_getset@ */
0, /* @tp_base@ */
0, /* @tp_dict@ */
0, /* @tp_descr_get@ */
0 /* @tp_is_gc@ */
};
-static PyTypeObject gcrand_pytype_skel = {
- PyObject_HEAD_INIT(0) 0, /* Header */
+static const PyTypeObject gcrand_pytype_skel = {
+ PyVarObject_HEAD_INIT(0, 0) /* Header */
"GCRand", /* @tp_name@ */
sizeof(grand_pyobj), /* @tp_basicsize@ */
0, /* @tp_itemsize@ */
Py_TPFLAGS_BASETYPE,
/* @tp_doc@ */
-"Abstract base class for symmetric crypto-based generators.",
+ "Abstract base class for symmetric crypto-based generators.",
0, /* @tp_traverse@ */
0, /* @tp_clear@ */
0 /* @tp_is_gc@ */
};
-static PyTypeObject gclatinrand_pytype_skel = {
- PyObject_HEAD_INIT(0) 0, /* Header */
+static const PyTypeObject gclatinrand_pytype_skel = {
+ PyVarObject_HEAD_INIT(0, 0) /* Header */
"GCLatinRand", /* @tp_name@ */
sizeof(grand_pyobj), /* @tp_basicsize@ */
0, /* @tp_itemsize@ */
Py_TPFLAGS_BASETYPE,
/* @tp_doc@ */
-"Abstract base class for symmetric crypto-based generators.",
+ "Abstract base class for symmetric crypto-based generators.",
0, /* @tp_traverse@ */
0, /* @tp_clear@ */
0, /* @tp_weaklistoffset@ */
0, /* @tp_iter@ */
0, /* @tp_iternext@ */
- gclatinrand_pymethods, /* @tp_methods@ */
+ PYMETHODS(gclatinrand), /* @tp_methods@ */
0, /* @tp_members@ */
0, /* @tp_getset@ */
0, /* @tp_base@ */
static PyObject *sslprf_pynew(PyTypeObject *ty, PyObject *arg, PyObject *kw)
{
- char *k, *s;
- Py_ssize_t ksz, ssz;
+ struct bin k, s;
const gchash *hco = &md5, *hci = &sha;
PyObject *rc = 0;
static const char *const kwlist[] = { "key", "seed", "ohash", "ihash", 0 };
- if (!PyArg_ParseTupleAndKeywords(arg, kw, "s#s#|O&O&:new", KWLIST,
- &k, &ksz, &s, &ssz,
+ if (!PyArg_ParseTupleAndKeywords(arg, kw, "O&O&|O&O&:new", KWLIST,
+ convbin, &k, convbin, &s,
convgchash, &hco, convgchash, &hci))
goto end;
- rc = grand_dopywrap(ty, sslprf_rand(hco, hci, k, ksz, s, ssz), f_freeme);
+ rc = grand_dopywrap(ty, sslprf_rand(hco, hci, k.p, k.sz, s.p, s.sz),
+ f_freeme);
end:
return (rc);
}
static PyObject *tlsdx_pynew(PyTypeObject *ty, PyObject *arg, PyObject *kw)
{
- char *k, *s;
- Py_ssize_t ksz, ssz;
+ struct bin k, s;
const gcmac *mc = &sha_hmac;
PyObject *rc = 0;
static const char *const kwlist[] = { "key", "seed", "mac", 0 };
- if (!PyArg_ParseTupleAndKeywords(arg, kw, "s#s#|O&:new", KWLIST,
- &k, &ksz, &s, &ssz,
+ if (!PyArg_ParseTupleAndKeywords(arg, kw, "O&O&|O&:new", KWLIST,
+ convbin, &k, convbin, &s,
convgcmac, &mc))
goto end;
- rc = grand_dopywrap(ty, tlsdx_rand(mc, k, ksz, s, ssz), f_freeme);
+ rc = grand_dopywrap(ty, tlsdx_rand(mc, k.p, k.sz, s.p, s.sz), f_freeme);
end:
return (rc);
}
static PyObject *tlsprf_pynew(PyTypeObject *ty, PyObject *arg, PyObject *kw)
{
- char *k, *s;
- Py_ssize_t ksz, ssz;
+ struct bin k, s;
const gcmac *mcl = &md5_hmac, *mcr = &sha_hmac;
PyObject *rc = 0;
static const char *const kwlist[] = { "key", "seed", "lmac", "rmac", 0 };
- if (!PyArg_ParseTupleAndKeywords(arg, kw, "s#s#|O&O&:new", KWLIST,
- &k, &ksz, &s, &ssz,
+ if (!PyArg_ParseTupleAndKeywords(arg, kw, "O&O&|O&O&:new", KWLIST,
+ convbin, &k, convbin, &s,
convgcmac, &mcl, convgcmac, &mcr))
goto end;
- rc = grand_dopywrap(ty, tlsprf_rand(mcl, mcr, k, ksz, s, ssz), f_freeme);
+ rc = grand_dopywrap(ty, tlsprf_rand(mcl, mcr, k.p, k.sz, s.p, s.sz),
+ f_freeme);
end:
return (rc);
}
-static PyTypeObject sslprf_pytype_skel = {
- PyObject_HEAD_INIT(0) 0, /* Header */
+static const PyTypeObject sslprf_pytype_skel = {
+ PyVarObject_HEAD_INIT(0, 0) /* Header */
"SSLRand", /* @tp_name@ */
sizeof(grand_pyobj), /* @tp_basicsize@ */
0, /* @tp_itemsize@ */
Py_TPFLAGS_BASETYPE,
/* @tp_doc@ */
-"SSLRand(KEY, SEED, [ohash = md5], [ihash = sha]):\n\
- RNG for SSL master secret.",
+ "SSLRand(KEY, SEED, [ohash = md5], [ihash = sha]):\n"
+ " RNG for SSL master secret.",
0, /* @tp_traverse@ */
0, /* @tp_clear@ */
0 /* @tp_is_gc@ */
};
-static PyTypeObject tlsdx_pytype_skel = {
- PyObject_HEAD_INIT(0) 0, /* Header */
+static const PyTypeObject tlsdx_pytype_skel = {
+ PyVarObject_HEAD_INIT(0, 0) /* Header */
"TLSDataExpansion", /* @tp_name@ */
sizeof(grand_pyobj), /* @tp_basicsize@ */
0, /* @tp_itemsize@ */
Py_TPFLAGS_BASETYPE,
/* @tp_doc@ */
-"TLSDataExpansion(KEY, SEED, [mac = sha_hmac]):\n\
- TLS data expansion function.",
+ "TLSDataExpansion(KEY, SEED, [mac = sha_hmac]):\n"
+ " TLS data expansion function.",
0, /* @tp_traverse@ */
0, /* @tp_clear@ */
0 /* @tp_is_gc@ */
};
-static PyTypeObject tlsprf_pytype_skel = {
- PyObject_HEAD_INIT(0) 0, /* Header */
+static const PyTypeObject tlsprf_pytype_skel = {
+ PyVarObject_HEAD_INIT(0, 0) /* Header */
"TLSPRF", /* @tp_name@ */
sizeof(grand_pyobj), /* @tp_basicsize@ */
0, /* @tp_itemsize@ */
Py_TPFLAGS_BASETYPE,
/* @tp_doc@ */
-"TLSPRF(KEY, SEED, [lmac = md5_hmac], [rmac = sha_hmac]):\n\
- TLS pseudorandom function.",
+ "TLSPRF(KEY, SEED, [lmac = md5_hmac], [rmac = sha_hmac]):\n"
+ " TLS pseudorandom function.",
0, /* @tp_traverse@ */
0, /* @tp_clear@ */
static PyObject *dsarand_pynew(PyTypeObject *ty, PyObject *arg, PyObject *kw)
{
- char *p;
- Py_ssize_t sz;
+ struct bin in;
+ unsigned passes = 1;
+ grand *r;
PyObject *rc = 0;
- static const char *const kwlist[] = { "seed", 0 };
+ static const char *const kwlist[] = { "seed", "passes", 0 };
- if (!PyArg_ParseTupleAndKeywords(arg, kw, "s#:new", KWLIST, &p, &sz))
+ if (!PyArg_ParseTupleAndKeywords(arg, kw, "O&|O&:new", KWLIST,
+ convbin, &in, convuint, &passes))
goto end;
- rc = grand_dopywrap(ty, dsarand_create(p, sz), f_freeme);
+ if (!passes) VALERR("must be positive");
+ r = dsarand_create(in.p, in.sz);
+ if (passes != 1) r->ops->misc(r, DSARAND_PASSES, passes);
+ rc = grand_dopywrap(ty, r, f_freeme);
end:
return (rc);
}
grand *r = GRAND_R(me);
int n = r->ops->misc(r, DSARAND_SEEDSZ);
PyObject *rc = bytestring_pywrap(0, n);
- r->ops->misc(r, DSARAND_GETSEED, PyString_AS_STRING(rc));
+ r->ops->misc(r, DSARAND_GETSEED, BIN_PTR(rc));
return (rc);
}
-static PyGetSetDef dsarand_pygetset[] = {
+static PyObject *drget_passes(PyObject *me, void *hunoz)
+{
+ grand *r = GRAND_R(me);
+ return (PyInt_FromLong(r->ops->misc(r, DSARAND_PASSES, 0)));
+}
+
+static int drset_passes(PyObject *me, PyObject *val, void *hunoz)
+{
+ grand *r = GRAND_R(me);
+ long n;
+ int rc = -1;
+
+ if (!val) NIERR("__del__");
+ n = PyInt_AsLong(val); if (n == -1 && PyErr_Occurred()) goto end;
+ if (n <= 0) VALERR("must be positive");
+ if (n > ULONG_MAX) VALERR("out of range");
+ r->ops->misc(r, DSARAND_PASSES, (unsigned)n);
+ rc = 0;
+end:
+ return (rc);
+}
+
+static const PyGetSetDef dsarand_pygetset[] = {
#define GETSETNAME(op, name) dr##op##_##name
GET (seed, "R.seed -> current generator seed")
+ GETSET(passes, "R.passes -> number of passes to create output")
#undef GETSETNAME
{ 0 }
};
-static PyTypeObject dsarand_pytype_skel = {
- PyObject_HEAD_INIT(0) 0, /* Header */
+static const PyTypeObject dsarand_pytype_skel = {
+ PyVarObject_HEAD_INIT(0, 0) /* Header */
"DSARand", /* @tp_name@ */
sizeof(grand_pyobj), /* @tp_basicsize@ */
0, /* @tp_itemsize@ */
Py_TPFLAGS_BASETYPE,
/* @tp_doc@ */
-"DSARand(SEED): pseudorandom number generator for DSA parameters.",
+ "DSARand(SEED): pseudorandom number generator for DSA parameters.",
0, /* @tp_traverse@ */
0, /* @tp_clear@ */
0, /* @tp_iternext@ */
0, /* @tp_methods@ */
0, /* @tp_members@ */
- dsarand_pygetset, /* @tp_getset@ */
+ PYGETSET(dsarand), /* @tp_getset@ */
0, /* @tp_base@ */
0, /* @tp_dict@ */
0, /* @tp_descr_get@ */
return (rc);
}
-static PyObject *bbsmeth_step(PyObject *me, PyObject *arg)
-{
- grand *r = GRAND_R(me); if (!PyArg_ParseTuple(arg, ":step")) return (0);
- r->ops->misc(r, BBS_STEP); RETURN_ME;
-}
+static PyObject *bbsmeth_step(PyObject *me)
+ { grand *r = GRAND_R(me); r->ops->misc(r, BBS_STEP); RETURN_ME; }
static PyObject *bbsmeth_bits(PyObject *me, PyObject *arg)
{
return (0);
}
-static PyObject *bbsmeth_wrap(PyObject *me, PyObject *arg)
-{
- grand *r = GRAND_R(me); if (!PyArg_ParseTuple(arg, ":wrap")) return (0);
- r->ops->misc(r, BBS_WRAP); RETURN_ME;
-}
+static PyObject *bbsmeth_wrap(PyObject *me)
+ { grand *r = GRAND_R(me); r->ops->misc(r, BBS_WRAP); RETURN_ME; }
static PyObject *bbsget_n(PyObject *me, void *hunoz)
{
return (PyInt_FromLong(r->ops->misc(r, BBS_STEPSZ)));
}
-static PyMethodDef bbs_pymethods[] = {
+static const PyMethodDef bbs_pymethods[] = {
#define METHNAME(name) bbsmeth_##name
- METH (step, "R.step(): steps the generator (not useful)")
- METH (bits, "R.bits(N) -> W: returns N bits (<= 32) from the generator")
- METH (wrap, "R.wrap(): flushes unused bits in internal buffer")
+ NAMETH(step, "R.step(): steps the generator (not useful)")
+ METH (bits, "R.bits(N) -> W: returns N bits (<= 32) from the generator")
+ NAMETH(wrap, "R.wrap(): flushes unused bits in internal buffer")
#undef METHNAME
{ 0 }
};
-static PyGetSetDef bbs_pygetset[] = {
+static const PyGetSetDef bbs_pygetset[] = {
#define GETSETNAME(op, name) bbs##op##_##name
GET (n, "R.n -> Blum modulus")
GETSET(x, "R.x -> current seed value")
{ 0 }
};
-static PyTypeObject bbs_pytype_skel = {
- PyObject_HEAD_INIT(0) 0, /* Header */
+static const PyTypeObject bbs_pytype_skel = {
+ PyVarObject_HEAD_INIT(0, 0) /* Header */
"BlumBlumShub", /* @tp_name@ */
sizeof(grand_pyobj), /* @tp_basicsize@ */
0, /* @tp_itemsize@ */
Py_TPFLAGS_BASETYPE,
/* @tp_doc@ */
-"BlumBlumShub(N, [x = 2]): Blum-Blum-Shub pseudorandom number generator.",
+ "BlumBlumShub(N, [x = 2]): Blum-Blum-Shub pseudorandom number generator.",
0, /* @tp_traverse@ */
0, /* @tp_clear@ */
0, /* @tp_weaklistoffset@ */
0, /* @tp_iter@ */
0, /* @tp_iternext@ */
- bbs_pymethods, /* @tp_methods@ */
+ PYMETHODS(bbs), /* @tp_methods@ */
0, /* @tp_members@ */
- bbs_pygetset, /* @tp_getset@ */
+ PYGETSET(bbs), /* @tp_getset@ */
0, /* @tp_base@ */
0, /* @tp_dict@ */
0, /* @tp_descr_get@ */
return ((PyObject *)rc);
}
-static PyObject *meth__BBSPriv_generate(PyObject *me,
- PyObject *arg, PyObject *kw)
+static PyObject *bpmeth_generate(PyObject *me, PyObject *arg, PyObject *kw)
{
bbs_priv bp = { 0 };
mp *x = MP_TWO;
unsigned nbits, n = 0;
grand *r = &rand_global;
static const char *const kwlist[] =
- { "class", "nbits", "event", "rng", "nsteps", "seed", 0 };
+ { "nbits", "event", "rng", "nsteps", "seed", 0 };
bbspriv_pyobj *rc = 0;
evt.exc = &exc;
- if (!PyArg_ParseTupleAndKeywords(arg, kw, "OO&|O&O&O&O&:generate", KWLIST,
- &me, convuint, &nbits, convpgev, &evt,
+ if (!PyArg_ParseTupleAndKeywords(arg, kw, "O&|O&O&O&O&:generate", KWLIST,
+ convuint, &nbits, convpgev, &evt,
convgrand, &r, convuint, &n, convmp, &x))
goto end;
if (bbs_gen(&bp, nbits, r, n, evt.ev.proc, evt.ev.ctx))
static PyObject *bpget_q(PyObject *me, void *hunoz)
{ return (mp_pywrap(MP_COPY(BBSPRIV_BP(me)->q))); }
-static PyMethodDef bbspriv_pymethods[] = {
+static const PyMethodDef bbspriv_pymethods[] = {
#define METHNAME(name) bpmeth_##name
- METH (ff, "R.ff(N): fast-forward N places")
- METH (rew, "R.rew(N): rewind N places")
+ METH (ff, "R.ff(N): fast-forward N places")
+ METH (rew, "R.rew(N): rewind N places")
+ KWSMTH(generate, "generate(NBITS, [event = pgen_nullev], "
+ "[rng = rand], [nsteps = 0], [seed = 2]) -> R")
#undef METHNAME
{ 0 }
};
-static PyGetSetDef bbspriv_pygetset[] = {
+static const 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")
{ 0 }
};
-static PyTypeObject bbspriv_pytype_skel = {
- PyObject_HEAD_INIT(0) 0, /* Header */
+static const PyTypeObject bbspriv_pytype_skel = {
+ PyVarObject_HEAD_INIT(0, 0) /* Header */
"BBSPriv", /* @tp_name@ */
sizeof(bbspriv_pyobj), /* @tp_basicsize@ */
0, /* @tp_itemsize@ */
Py_TPFLAGS_BASETYPE,
/* @tp_doc@ */
-"BBSPriv(..., [seed = 2]): Blum-Blum-Shub, with private key.\n\
- Keywords: n, p, q; must provide at least two",
+ "BBSPriv(..., [seed = 2]): Blum-Blum-Shub, with private key.\n"
+ " Keywords: n, p, q; must provide at least two",
0, /* @tp_traverse@ */
0, /* @tp_clear@ */
0, /* @tp_weaklistoffset@ */
0, /* @tp_iter@ */
0, /* @tp_iternext@ */
- bbspriv_pymethods, /* @tp_methods@ */
+ PYMETHODS(bbspriv), /* @tp_methods@ */
0, /* @tp_members@ */
- bbspriv_pygetset, /* @tp_getset@ */
+ PYGETSET(bbspriv), /* @tp_getset@ */
0, /* @tp_base@ */
0, /* @tp_dict@ */
0, /* @tp_descr_get@ */
/*----- Global stuff ------------------------------------------------------*/
-static PyMethodDef methods[] = {
-#define METHNAME(name) meth_##name
- KWMETH(_BBSPriv_generate, "\
-generate(NBITS, [event = pgen_nullev], [rng = rand],\n\
- [nsteps = 0], [seed = 2]) -> R")
-#undef METHNAME
+static const struct nameval consts[] = {
+ CONST(RAND_IBITS),
{ 0 }
};
INITTYPE(gclatinrand, gcrand);
rand_noisesrc(RAND_GLOBAL, &noise_source);
rand_seed(RAND_GLOBAL, 160);
- addmethods(methods);
}
-#define gccrand gccrand_info
-GEN(gccrands, crand)
+static const char *crand_namefn(const void *p)
+ { const gccrand_info *const *cls = p; return (*cls ? (*cls)->name : 0); }
+static PyObject *crand_valfn(const void *p)
+ { const gccrand_info *const *cls = p; return (gccrand_pywrap(*cls)); }
void rand_pyinsert(PyObject *mod)
{
INSERT("GCRand", gcrand_pytype);
INSERT("GCLatinRand", gclatinrand_pytype);
rand_pyobj = grand_pywrap(&rand_global, 0); Py_INCREF(rand_pyobj);
- gccrands_dict = gccrands(); Py_INCREF(gccrands_dict);
- INSERT("gccrands", gccrands_dict);
+ gccrands_dict = make_algtab(gcrandtab, sizeof(gccrand_info *),
+ crand_namefn, crand_valfn);
+ INSERT("gccrands", gccrands_dict); Py_INCREF(gccrands_dict);
INSERT("rand", rand_pyobj);
+ setconstants(mod, consts);
}
/*----- That's all, folks -------------------------------------------------*/