3 * Random-number generators
5 * (c) 2004 Straylight/Edgeware
8 /*----- Licensing notice --------------------------------------------------*
10 * This file is part of the Python interface to Catacomb.
12 * Catacomb/Python is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License as published by
14 * the Free Software Foundation; either version 2 of the License, or
15 * (at your option) any later version.
17 * Catacomb/Python is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
22 * You should have received a copy of the GNU General Public License
23 * along with Catacomb/Python; if not, write to the Free Software Foundation,
24 * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
27 /*----- Header files ------------------------------------------------------*/
29 #include "catacomb-python.h"
31 #include "algorithms.h"
34 /*----- Main code ---------------------------------------------------------*/
36 PyTypeObject *grand_pytype;
37 static PyTypeObject *truerand_pytype;
38 static PyTypeObject *lcrand_pytype, *fibrand_pytype;
39 static PyTypeObject *dsarand_pytype, *bbs_pytype, *bbspriv_pytype;
40 static PyTypeObject *sslprf_pytype, *tlsdx_pytype, *tlsprf_pytype;
43 static PyObject *gccrands_dict;
45 static PyObject *grand_dopywrap(PyTypeObject *ty, grand *r, unsigned f)
49 g = (grand_pyobj *)ty->tp_alloc(ty, 0);
52 return ((PyObject *)g);
55 PyObject *grand_pywrap(grand *r, unsigned f)
57 PyTypeObject *ty = grand_pytype;
60 if (STRCMP(r->ops->name, ==, "rand")) ty = truerand_pytype;
61 else if (STRCMP(r->ops->name, ==, "lcrand")) ty = lcrand_pytype;
62 else if (STRCMP(r->ops->name, ==, "fibrand")) ty = fibrand_pytype;
63 else if (STRCMP(r->ops->name, ==, "dsarand")) ty = dsarand_pytype;
64 else if (STRCMP(r->ops->name, ==, "bbs")) ty = bbs_pytype;
65 else if (STRCMP(r->ops->name, ==, "sslprf")) ty = sslprf_pytype;
66 else if (STRCMP(r->ops->name, ==, "tlsdx")) ty = tlsdx_pytype;
67 else if (STRCMP(r->ops->name, ==, "tlsprf")) ty = tlsprf_pytype;
68 else if ((ob = PyMapping_GetItemString
69 (gccrands_dict, (/*unconst*/ char *)r->ops->name)) != 0)
70 ty = (PyTypeObject *)ob;
71 return (grand_dopywrap(ty, r, f));
74 CONVFUNC(grand, grand *, GRAND_R)
76 static int grand_check(PyObject *me)
78 if (!GRAND_R(me)) VALERR("random generator object is no longer valid");
84 static PyObject *grmeth_byte(PyObject *me)
86 if (grand_check(me)) return (0);
87 return (PyInt_FromLong(grand_byte(GRAND_R(me))));
90 static PyObject *grmeth_word(PyObject *me)
92 if (grand_check(me)) return (0);
93 return (getulong(grand_word(GRAND_R(me))));
96 static PyObject *grmeth_range(PyObject *me, PyObject *arg)
102 if (!PyArg_ParseTuple(arg, "O:range", &m)) return (0);
103 if (grand_check(me)) return (0);
104 if (PyInt_Check(m)) {
105 long mm = PyInt_AsLong(m);
106 if (mm == -1 && PyErr_Occurred()) PyErr_Clear();
107 else if (mm <= 0) goto notpos;
108 else if (mm <= 0xffffffff)
109 return (PyInt_FromLong(grand_range(GRAND_R(me), mm)));
111 if ((x = getmp(m)) == 0) goto end;
112 if (!MP_POSP(x)) goto notpos;
113 y = mprand_range(MP_NEW, x, GRAND_R(me), 0);
115 return (mp_pywrap(y));
117 VALERR("range must be strictly positive");
123 static PyObject *grmeth_mp(PyObject *me, PyObject *arg, PyObject *kw)
127 static const char *const kwlist[] = { "bits", "or", 0 };
129 if (!PyArg_ParseTupleAndKeywords(arg, kw, "O&|O&:mp", KWLIST,
130 convszt, &l, convmpw, &o))
132 if (grand_check(me)) return (0);
133 if (l < MPW_BITS && (o >> l)) VALERR("or mask too large");
134 return (mp_pywrap(mprand(MP_NEW, l, GRAND_R(me), o)));
139 static PyObject *grmeth_block(PyObject *me, PyObject *arg)
144 if (!PyArg_ParseTuple(arg, "O&:block", convulong, &n)) goto end;
145 if (grand_check(me)) return (0);
146 rc = bytestring_pywrap(0, n);
147 grand_fill(GRAND_R(me), BIN_PTR(rc), n);
152 static int checkop(grand *r, unsigned op, const char *what)
154 if (r->ops->misc(r, GRAND_CHECK, op)) return (0);
155 PyErr_Format(PyExc_TypeError, "operation %s not supported", what);
159 static PyObject *grmeth_seedint(PyObject *me, PyObject *arg)
162 grand *r = GRAND_R(me);
163 if (!PyArg_ParseTuple(arg, "i:seedint", &i) ||
164 grand_check(me) || checkop(r, GRAND_SEEDINT, "seedint"))
166 r->ops->misc(r, GRAND_SEEDINT, i);
172 static PyObject *grmeth_seedword(PyObject *me, PyObject *arg)
175 grand *r = GRAND_R(me);
176 if (!PyArg_ParseTuple(arg, "O&:seedword", convu32, &u) ||
177 grand_check(me) || checkop(r, GRAND_SEEDUINT32, "seedword"))
179 r->ops->misc(r, GRAND_SEEDUINT32, u);
185 static PyObject *grmeth_seedblock(PyObject *me, PyObject *arg)
188 grand *r = GRAND_R(me);
189 if (!PyArg_ParseTuple(arg, "O&:seedblock", convbin, &in) ||
190 grand_check(me) || checkop(r, GRAND_SEEDBLOCK, "seedblock"))
192 r->ops->misc(r, GRAND_SEEDBLOCK, in.p, (size_t)in.sz);
198 static PyObject *grmeth_seedmp(PyObject *me, PyObject *arg)
202 grand *r = GRAND_R(me);
203 if (!PyArg_ParseTuple(arg, "O:seedmp", &x) ||
204 grand_check(me) || checkop(r, GRAND_SEEDMP, "seedmp") ||
205 (xx = getmp(x)) == 0)
207 r->ops->misc(r, GRAND_SEEDMP, xx);
214 static PyObject *grmeth_seedrand(PyObject *me, PyObject *arg, PyObject *kw)
216 static const char *const kwlist[] = { "rng", 0 };
217 grand *r = GRAND_R(me);
218 grand *rr = &rand_global;
219 if (!PyArg_ParseTupleAndKeywords(arg, kw, "|O&:seedrand", KWLIST,
221 grand_check(me) || checkop(r, GRAND_SEEDRAND, "seedrand"))
223 r->ops->misc(r, GRAND_SEEDRAND, rr);
229 static PyObject *grmeth_mask(PyObject *me, PyObject *arg)
231 grand *r = GRAND_R(me);
233 const octet *p; size_t n;
237 if (!PyArg_ParseTuple(arg, "O&:mask", convbin, &in)) return (0);
238 if (grand_check(me)) return (0);
239 rc = bytestring_pywrap(0, in.sz);
240 q = (octet *)BIN_PTR(rc);
241 GR_FILL(r, q, in.sz);
242 p = in.p; n = in.sz; while (n--) *q++ ^= *p++;
246 static void grand_pydealloc(PyObject *me)
248 grand_pyobj *g = (grand_pyobj *)me;
249 if ((g->f & f_freeme) && g->r) GR_DESTROY(g->r);
253 static PyObject *grget_name(PyObject *me, void *hunoz)
254 { return (grand_check(me) ? 0 : TEXT_FROMSTR(GRAND_R(me)->ops->name)); }
256 static PyObject *grget_cryptop(PyObject *me, void *hunoz)
257 { return (grand_check(me) ? 0 : getbool(GRAND_R(me)->ops->f & GRAND_CRYPTO)); }
259 static const PyGetSetDef grand_pygetset[] = {
260 #define GETSETNAME(op, name) gr##op##_##name
261 GET (name, "R.name -> name of this kind of generator")
262 GET (cryptop, "R.cryptop -> flag: cryptographically strong?")
267 static const PyMethodDef grand_pymethods[] = {
268 #define METHNAME(name) grmeth_##name
269 NAMETH(byte, "R.byte() -> BYTE")
270 NAMETH(word, "R.word() -> WORD")
271 METH (block, "R.block(N) -> STRING")
272 KWMETH(mp, "R.mp(bits, [or = 0]) -> MP")
273 METH (range, "R.range(MAX) -> INT")
274 METH (mask, "R.mask(STR) -> STR")
275 METH (seedint, "R.seedint(I)")
276 METH (seedword, "R.seedword(I)")
277 METH (seedblock, "R.seedblock(BYTES)")
278 METH (seedmp, "R.seedmp(X)")
279 KWMETH(seedrand, "R.seedrand(RR)")
284 static const PyTypeObject grand_pytype_skel = {
285 PyVarObject_HEAD_INIT(0, 0) /* Header */
286 "GRand", /* @tp_name@ */
287 sizeof(grand_pyobj), /* @tp_basicsize@ */
288 0, /* @tp_itemsize@ */
290 grand_pydealloc, /* @tp_dealloc@ */
292 0, /* @tp_getattr@ */
293 0, /* @tp_setattr@ */
294 0, /* @tp_compare@ */
296 0, /* @tp_as_number@ */
297 0, /* @tp_as_sequence@ */
298 0, /* @tp_as_mapping@ */
302 0, /* @tp_getattro@ */
303 0, /* @tp_setattro@ */
304 0, /* @tp_as_buffer@ */
305 Py_TPFLAGS_DEFAULT | /* @tp_flags@ */
309 "Generic random number source.",
311 0, /* @tp_traverse@ */
313 0, /* @tp_richcompare@ */
314 0, /* @tp_weaklistoffset@ */
316 0, /* @tp_iternext@ */
317 PYMETHODS(grand), /* @tp_methods@ */
318 0, /* @tp_members@ */
319 PYGETSET(grand), /* @tp_getset@ */
322 0, /* @tp_descr_get@ */
323 0, /* @tp_descr_set@ */
324 0, /* @tp_dictoffset@ */
326 PyType_GenericAlloc, /* @tp_alloc@ */
327 abstract_pynew, /* @tp_new@ */
332 static PyObject *lcrand_pynew(PyTypeObject *me, PyObject *arg, PyObject *kw)
335 static const char *const kwlist[] = { "seed", 0 };
336 if (!PyArg_ParseTupleAndKeywords(arg, kw, "|O&:new", KWLIST, convu32, &n))
338 return (grand_dopywrap(lcrand_pytype, lcrand_create(n), f_freeme));
341 static const PyTypeObject lcrand_pytype_skel = {
342 PyVarObject_HEAD_INIT(0, 0) /* Header */
343 "LCRand", /* @tp_name@ */
344 sizeof(grand_pyobj), /* @tp_basicsize@ */
345 0, /* @tp_itemsize@ */
347 grand_pydealloc, /* @tp_dealloc@ */
349 0, /* @tp_getattr@ */
350 0, /* @tp_setattr@ */
351 0, /* @tp_compare@ */
353 0, /* @tp_as_number@ */
354 0, /* @tp_as_sequence@ */
355 0, /* @tp_as_mapping@ */
359 0, /* @tp_getattro@ */
360 0, /* @tp_setattro@ */
361 0, /* @tp_as_buffer@ */
362 Py_TPFLAGS_DEFAULT | /* @tp_flags@ */
366 "LCRand([seed = 0]): linear congruential generator.",
368 0, /* @tp_traverse@ */
370 0, /* @tp_richcompare@ */
371 0, /* @tp_weaklistoffset@ */
373 0, /* @tp_iternext@ */
374 0, /* @tp_methods@ */
375 0, /* @tp_members@ */
379 0, /* @tp_descr_get@ */
380 0, /* @tp_descr_set@ */
381 0, /* @tp_dictoffset@ */
383 PyType_GenericAlloc, /* @tp_alloc@ */
384 lcrand_pynew, /* @tp_new@ */
389 static PyObject *fibrand_pynew(PyTypeObject *me, PyObject *arg, PyObject *kw)
392 static const char *const kwlist[] = { "seed", 0 };
393 if (!PyArg_ParseTupleAndKeywords(arg, kw, "|O&:new", KWLIST, convu32, &n))
395 return (grand_dopywrap(fibrand_pytype, fibrand_create(n), f_freeme));
398 static const PyTypeObject fibrand_pytype_skel = {
399 PyVarObject_HEAD_INIT(0, 0) /* Header */
400 "FibRand", /* @tp_name@ */
401 sizeof(grand_pyobj), /* @tp_basicsize@ */
402 0, /* @tp_itemsize@ */
404 grand_pydealloc, /* @tp_dealloc@ */
406 0, /* @tp_getattr@ */
407 0, /* @tp_setattr@ */
408 0, /* @tp_compare@ */
410 0, /* @tp_as_number@ */
411 0, /* @tp_as_sequence@ */
412 0, /* @tp_as_mapping@ */
416 0, /* @tp_getattro@ */
417 0, /* @tp_setattro@ */
418 0, /* @tp_as_buffer@ */
419 Py_TPFLAGS_DEFAULT | /* @tp_flags@ */
423 "FibRand([seed = 0]): Fibonacci generator.",
425 0, /* @tp_traverse@ */
427 0, /* @tp_richcompare@ */
428 0, /* @tp_weaklistoffset@ */
430 0, /* @tp_iternext@ */
431 0, /* @tp_methods@ */
432 0, /* @tp_members@ */
436 0, /* @tp_descr_get@ */
437 0, /* @tp_descr_set@ */
438 0, /* @tp_dictoffset@ */
440 PyType_GenericAlloc, /* @tp_alloc@ */
441 fibrand_pynew, /* @tp_new@ */
446 /*----- True random generator ---------------------------------------------*/
448 static PyObject *trmeth_gate(PyObject *me)
449 { grand *r = GRAND_R(me); r->ops->misc(GRAND_R(me), RAND_GATE); RETURN_ME; }
451 static PyObject *trmeth_stretch(PyObject *me)
452 { grand *r = GRAND_R(me); r->ops->misc(r, RAND_STRETCH); RETURN_ME; }
454 static PyObject *trmeth_add(PyObject *me, PyObject *arg)
456 grand *r = GRAND_R(me);
457 struct bin in; unsigned goodbits;
458 if (!PyArg_ParseTuple(arg, "O&O&:add", convbin, &in, convuint, &goodbits))
460 r->ops->misc(r, RAND_ADD, in.p, (size_t)in.sz, goodbits);
464 static PyObject *trmeth_key(PyObject *me, PyObject *arg)
466 grand *r = GRAND_R(me);
468 if (!PyArg_ParseTuple(arg, "O&:key", convbin, &k)) return (0);
469 r->ops->misc(r, RAND_KEY, k.p, (size_t)k.sz);
473 static PyObject *trmeth_seed(PyObject *me, PyObject *arg)
475 grand *r = GRAND_R(me);
477 if (!PyArg_ParseTuple(arg, "O&:seed", convuint, &u)) return (0);
478 if (u > RAND_IBITS) VALERR("pointlessly large");
479 r->ops->misc(r, RAND_SEED, u);
485 static PyObject *trmeth_timer(PyObject *me)
486 { grand *r = GRAND_R(me); r->ops->misc(r, RAND_TIMER); RETURN_ME; }
488 static PyObject *truerand_pynew(PyTypeObject *ty,
489 PyObject *arg, PyObject *kw)
491 static const char *const kwlist[] = { 0 };
494 if (!PyArg_ParseTupleAndKeywords(arg, kw, ":new", KWLIST)) goto end;
496 r->ops->misc(r, RAND_NOISESRC, &noise_source);
497 r->ops->misc(r, RAND_SEED, 160);
498 rc = grand_dopywrap(ty, r, f_freeme);
503 static const PyMethodDef truerand_pymethods[] = {
504 #define METHNAME(name) trmeth_##name
505 NAMETH(gate, "R.gate()")
506 NAMETH(stretch, "R.stretch()")
507 METH (key, "R.key(BYTES)")
508 METH (seed, "R.seed(NBITS)")
509 METH (add, "R.add(BYTES, GOODBITS")
510 NAMETH(timer, "R.timer()")
515 static PyObject *trget_goodbits(PyObject *me, void *hunoz)
517 grand *r = GRAND_R(me);
518 return (PyInt_FromLong(r->ops->misc(r, RAND_GOODBITS)));
521 static const PyGetSetDef truerand_pygetset[] = {
522 #define GETSETNAME(op, name) tr##op##_##name
523 GET (goodbits, "R.goodbits -> good bits of entropy remaining")
528 static const PyTypeObject truerand_pytype_skel = {
529 PyVarObject_HEAD_INIT(0, 0) /* Header */
530 "TrueRand", /* @tp_name@ */
531 sizeof(grand_pyobj), /* @tp_basicsize@ */
532 0, /* @tp_itemsize@ */
534 grand_pydealloc, /* @tp_dealloc@ */
536 0, /* @tp_getattr@ */
537 0, /* @tp_setattr@ */
538 0, /* @tp_compare@ */
540 0, /* @tp_as_number@ */
541 0, /* @tp_as_sequence@ */
542 0, /* @tp_as_mapping@ */
546 0, /* @tp_getattro@ */
547 0, /* @tp_setattro@ */
548 0, /* @tp_as_buffer@ */
549 Py_TPFLAGS_DEFAULT | /* @tp_flags@ */
553 "TrueRand(): true random number source.",
555 0, /* @tp_traverse@ */
557 0, /* @tp_richcompare@ */
558 0, /* @tp_weaklistoffset@ */
560 0, /* @tp_iternext@ */
561 PYMETHODS(truerand), /* @tp_methods@ */
562 0, /* @tp_members@ */
563 PYGETSET(truerand), /* @tp_getset@ */
566 0, /* @tp_descr_get@ */
567 0, /* @tp_descr_set@ */
568 0, /* @tp_dictoffset@ */
570 PyType_GenericAlloc, /* @tp_alloc@ */
571 truerand_pynew, /* @tp_new@ */
576 /*----- Generators from symmetric encryption algorithms -------------------*/
578 static PyTypeObject *gccrand_pytype, *gcrand_pytype, *gclatinrand_pytype;
580 typedef grand *gcrand_func(const void *, size_t sz);
581 typedef grand *gcirand_func(const void *, size_t sz, uint32);
582 typedef grand *gcnrand_func(const void *, size_t sz, const void *);
583 typedef grand *gcshakerand_func(const void *, size_t,
584 const void *, size_t,
585 const void *, size_t);
586 typedef grand *gcshafuncrand_func(const void *, size_t,
587 const void *, size_t);
588 typedef grand *gckmacrand_func(const void *, size_t, const void *, size_t);
589 typedef struct gccrand_info {
597 #define RNGF_MASK 255u
607 typedef struct gccrand_pyobj {
609 const gccrand_info *info;
611 #define GCCRAND_INFO(o) (((gccrand_pyobj *)(o))->info)
613 #define GCCRAND_DEF(name, ksz, func, f, nsz) \
614 static const gccrand_info func##_info = \
615 { name, ksz, f, nsz, (gcrand_func *)func };
618 static const gccrand_info *const gcrandtab[] = {
619 #define GCCRAND_ENTRY(name, ksz, func, f, nsz) &func##_info,
624 static PyObject *gcrand_pynew(PyTypeObject *ty, PyObject *arg, PyObject *kw)
626 const gccrand_info *info = GCCRAND_INFO(ty);
627 static const char *const kwlist[] = { "key", 0 };
630 if (!PyArg_ParseTupleAndKeywords(arg, kw, "O&:new", KWLIST, convbin, &k))
632 if (keysz(k.sz, info->keysz) != k.sz) VALERR("bad key length");
633 return (grand_dopywrap(ty, info->func(k.p, k.sz), f_freeme));
638 static PyObject *gcirand_pynew(PyTypeObject *ty, PyObject *arg, PyObject *kw)
640 const gccrand_info *info = GCCRAND_INFO(ty);
642 static const char *const kwlist[] = { "key", "i", 0 };
645 if (!PyArg_ParseTupleAndKeywords(arg, kw, "O&|O&:new", KWLIST,
646 convbin, &k, convu32, &i))
648 if (keysz(k.sz, info->keysz) != k.sz) VALERR("bad key length");
649 return (grand_dopywrap(ty,
650 ((gcirand_func *)info->func)(k.p, k.sz, i),
656 static PyObject *gcnrand_pynew(PyTypeObject *ty, PyObject *arg, PyObject *kw)
658 const gccrand_info *info = GCCRAND_INFO(ty);
659 static const char *const kwlist[] = { "key", "nonce", 0 };
660 static const octet zn[24] = { 0 };
663 n.p = zn; n.sz = info->noncesz; assert(info->noncesz <= sizeof(zn));
664 if (!PyArg_ParseTupleAndKeywords(arg, kw, "O&|O&:new", KWLIST,
665 convbin, &k, convbin, &n))
667 if (keysz(k.sz, info->keysz) != k.sz) VALERR("bad key length");
668 if (n.sz != info->noncesz) VALERR("bad nonce length");
669 return (grand_dopywrap(ty,
670 ((gcnrand_func *)info->func)(k.p, k.sz, n.p),
676 static PyObject *gcshakyrand_pynew(PyTypeObject *ty,
677 PyObject *arg, PyObject *kw)
679 const gccrand_info *info = GCCRAND_INFO(ty);
681 *const kwlist_shake[] = { "key", "func", "perso", 0 },
682 *const kwlist_func[] = { "key", "perso", 0 };
683 struct bin k, f = { 0, 0 }, p = { 0, 0 };
685 if ((info->f&RNGF_MASK) == RNG_SHAKE
686 ? !PyArg_ParseTupleAndKeywords(arg, kw, "O&|O&O&:new",
687 (/*unconst*/ char **)kwlist_shake,
689 convbin, &f, convbin, &p)
690 : !PyArg_ParseTupleAndKeywords(arg, kw, "O&|O&:new",
691 (/*unconst*/ char **)kwlist_func,
692 convbin, &k, convbin, &p))
694 if (keysz(k.sz, info->keysz) != k.sz) VALERR("bad key length");
695 return (grand_dopywrap(ty,
696 (info->f&RNGF_MASK) == RNG_SHAKE
697 ? ((gcshakerand_func *)info->func)(f.p, f.sz,
700 : ((gcshafuncrand_func *)info->func)(p.p, p.sz,
707 static PyObject *gccrand_pywrap(const gccrand_info *info)
709 gccrand_pyobj *g = newtype(gccrand_pytype, 0, info->name);
711 g->ty.ht_type.tp_basicsize = sizeof(grand_pyobj);
712 switch (info->f&RNGF_MASK) {
713 case RNG_LATIN: g->ty.ht_type.tp_base = gclatinrand_pytype; break;
714 default: g->ty.ht_type.tp_base = gcrand_pytype; break;
716 Py_INCREF(g->ty.ht_type.tp_base);
717 g->ty.ht_type.tp_flags = (Py_TPFLAGS_DEFAULT |
718 Py_TPFLAGS_BASETYPE |
719 Py_TPFLAGS_HEAPTYPE);
720 g->ty.ht_type.tp_alloc = PyType_GenericAlloc;
721 g->ty.ht_type.tp_free = 0;
722 switch (info->f&RNGF_MASK) {
723 case RNG_LATIN: g->ty.ht_type.tp_new = gcnrand_pynew; break;
724 case RNG_SEAL: g->ty.ht_type.tp_new = gcirand_pynew; break;
725 case RNG_SHAKE: case RNG_KMAC:
726 g->ty.ht_type.tp_new = gcshakyrand_pynew; break;
727 default: g->ty.ht_type.tp_new = gcrand_pynew; break;
729 typeready(&g->ty.ht_type);
730 return ((PyObject *)g);
733 static PyObject *gccrget_name(PyObject *me, void *hunoz)
734 { return (TEXT_FROMSTR(GCCRAND_INFO(me)->name)); }
735 static PyObject *gccrget_keysz(PyObject *me, void *hunoz)
736 { return (keysz_pywrap(GCCRAND_INFO(me)->keysz)); }
738 static PyObject *gclrmeth_tell(PyObject *me)
740 grand *r = GRAND_R(me);
744 r->ops->misc(r, SALSA20_TELLU64, &off);
749 static PyObject *gclrmeth_seek(PyObject *me, PyObject *arg)
751 grand *r = GRAND_R(me);
754 if (!PyArg_ParseTuple(arg, "O&:seek", convk64, &off)) return (0);
755 r->ops->misc(r, SALSA20_SEEKU64, off);
759 static const PyGetSetDef gccrand_pygetset[] = {
760 #define GETSETNAME(op, name) gccr##op##_##name
761 GET (keysz, "CR.keysz -> acceptable key sizes")
762 GET (name, "CR.name -> name of this kind of generator")
767 static const PyMethodDef gclatinrand_pymethods[] = {
768 #define METHNAME(name) gclrmeth_##name
769 NAMETH(tell, "R.tell() -> OFF")
770 METH (seek, "R.seek(OFF)")
775 static const PyTypeObject gccrand_pytype_skel = {
776 PyVarObject_HEAD_INIT(0, 0) /* Header */
777 "GCCRand", /* @tp_name@ */
778 sizeof(gccrand_pyobj), /* @tp_basicsize@ */
779 0, /* @tp_itemsize@ */
781 0, /* @tp_dealloc@ */
783 0, /* @tp_getattr@ */
784 0, /* @tp_setattr@ */
785 0, /* @tp_compare@ */
787 0, /* @tp_as_number@ */
788 0, /* @tp_as_sequence@ */
789 0, /* @tp_as_mapping@ */
793 0, /* @tp_getattro@ */
794 0, /* @tp_setattro@ */
795 0, /* @tp_as_buffer@ */
796 Py_TPFLAGS_DEFAULT | /* @tp_flags@ */
800 "Metaclass for symmetric crypto-based generators.",
802 0, /* @tp_traverse@ */
804 0, /* @tp_richcompare@ */
805 0, /* @tp_weaklistoffset@ */
807 0, /* @tp_iternext@ */
808 0, /* @tp_methods@ */
809 0, /* @tp_members@ */
810 PYGETSET(gccrand), /* @tp_getset@ */
813 0, /* @tp_descr_get@ */
814 0, /* @tp_descr_set@ */
815 0, /* @tp_dictoffset@ */
817 PyType_GenericAlloc, /* @tp_alloc@ */
818 abstract_pynew, /* @tp_new@ */
823 static const PyTypeObject gcrand_pytype_skel = {
824 PyVarObject_HEAD_INIT(0, 0) /* Header */
825 "GCRand", /* @tp_name@ */
826 sizeof(grand_pyobj), /* @tp_basicsize@ */
827 0, /* @tp_itemsize@ */
829 grand_pydealloc, /* @tp_dealloc@ */
831 0, /* @tp_getattr@ */
832 0, /* @tp_setattr@ */
833 0, /* @tp_compare@ */
835 0, /* @tp_as_number@ */
836 0, /* @tp_as_sequence@ */
837 0, /* @tp_as_mapping@ */
841 0, /* @tp_getattro@ */
842 0, /* @tp_setattro@ */
843 0, /* @tp_as_buffer@ */
844 Py_TPFLAGS_DEFAULT | /* @tp_flags@ */
848 "Abstract base class for symmetric crypto-based generators.",
850 0, /* @tp_traverse@ */
852 0, /* @tp_richcompare@ */
853 0, /* @tp_weaklistoffset@ */
855 0, /* @tp_iternext@ */
856 0, /* @tp_methods@ */
857 0, /* @tp_members@ */
861 0, /* @tp_descr_get@ */
862 0, /* @tp_descr_set@ */
863 0, /* @tp_dictoffset@ */
865 PyType_GenericAlloc, /* @tp_alloc@ */
866 abstract_pynew, /* @tp_new@ */
871 static const PyTypeObject gclatinrand_pytype_skel = {
872 PyVarObject_HEAD_INIT(0, 0) /* Header */
873 "GCLatinRand", /* @tp_name@ */
874 sizeof(grand_pyobj), /* @tp_basicsize@ */
875 0, /* @tp_itemsize@ */
877 grand_pydealloc, /* @tp_dealloc@ */
879 0, /* @tp_getattr@ */
880 0, /* @tp_setattr@ */
881 0, /* @tp_compare@ */
883 0, /* @tp_as_number@ */
884 0, /* @tp_as_sequence@ */
885 0, /* @tp_as_mapping@ */
889 0, /* @tp_getattro@ */
890 0, /* @tp_setattro@ */
891 0, /* @tp_as_buffer@ */
892 Py_TPFLAGS_DEFAULT | /* @tp_flags@ */
896 "Abstract base class for symmetric crypto-based generators.",
898 0, /* @tp_traverse@ */
900 0, /* @tp_richcompare@ */
901 0, /* @tp_weaklistoffset@ */
903 0, /* @tp_iternext@ */
904 PYMETHODS(gclatinrand), /* @tp_methods@ */
905 0, /* @tp_members@ */
909 0, /* @tp_descr_get@ */
910 0, /* @tp_descr_set@ */
911 0, /* @tp_dictoffset@ */
913 PyType_GenericAlloc, /* @tp_alloc@ */
914 abstract_pynew, /* @tp_new@ */
919 /*----- SSL and TLS generators --------------------------------------------*/
921 static PyObject *sslprf_pynew(PyTypeObject *ty, PyObject *arg, PyObject *kw)
924 const gchash *hco = &md5, *hci = &sha;
926 static const char *const kwlist[] = { "key", "seed", "ohash", "ihash", 0 };
928 if (!PyArg_ParseTupleAndKeywords(arg, kw, "O&O&|O&O&:new", KWLIST,
929 convbin, &k, convbin, &s,
930 convgchash, &hco, convgchash, &hci))
932 rc = grand_dopywrap(ty, sslprf_rand(hco, hci, k.p, k.sz, s.p, s.sz),
938 static PyObject *tlsdx_pynew(PyTypeObject *ty, PyObject *arg, PyObject *kw)
941 const gcmac *mc = &sha_hmac;
943 static const char *const kwlist[] = { "key", "seed", "mac", 0 };
945 if (!PyArg_ParseTupleAndKeywords(arg, kw, "O&O&|O&:new", KWLIST,
946 convbin, &k, convbin, &s,
949 rc = grand_dopywrap(ty, tlsdx_rand(mc, k.p, k.sz, s.p, s.sz), f_freeme);
954 static PyObject *tlsprf_pynew(PyTypeObject *ty, PyObject *arg, PyObject *kw)
957 const gcmac *mcl = &md5_hmac, *mcr = &sha_hmac;
959 static const char *const kwlist[] = { "key", "seed", "lmac", "rmac", 0 };
961 if (!PyArg_ParseTupleAndKeywords(arg, kw, "O&O&|O&O&:new", KWLIST,
962 convbin, &k, convbin, &s,
963 convgcmac, &mcl, convgcmac, &mcr))
965 rc = grand_dopywrap(ty, tlsprf_rand(mcl, mcr, k.p, k.sz, s.p, s.sz),
971 static const PyTypeObject sslprf_pytype_skel = {
972 PyVarObject_HEAD_INIT(0, 0) /* Header */
973 "SSLRand", /* @tp_name@ */
974 sizeof(grand_pyobj), /* @tp_basicsize@ */
975 0, /* @tp_itemsize@ */
977 grand_pydealloc, /* @tp_dealloc@ */
979 0, /* @tp_getattr@ */
980 0, /* @tp_setattr@ */
981 0, /* @tp_compare@ */
983 0, /* @tp_as_number@ */
984 0, /* @tp_as_sequence@ */
985 0, /* @tp_as_mapping@ */
989 0, /* @tp_getattro@ */
990 0, /* @tp_setattro@ */
991 0, /* @tp_as_buffer@ */
992 Py_TPFLAGS_DEFAULT | /* @tp_flags@ */
996 "SSLRand(KEY, SEED, [ohash = md5], [ihash = sha]):\n"
997 " RNG for SSL master secret.",
999 0, /* @tp_traverse@ */
1001 0, /* @tp_richcompare@ */
1002 0, /* @tp_weaklistoffset@ */
1004 0, /* @tp_iternext@ */
1005 0, /* @tp_methods@ */
1006 0, /* @tp_members@ */
1007 0, /* @tp_getset@ */
1010 0, /* @tp_descr_get@ */
1011 0, /* @tp_descr_set@ */
1012 0, /* @tp_dictoffset@ */
1014 PyType_GenericAlloc, /* @tp_alloc@ */
1015 sslprf_pynew, /* @tp_new@ */
1020 static const PyTypeObject tlsdx_pytype_skel = {
1021 PyVarObject_HEAD_INIT(0, 0) /* Header */
1022 "TLSDataExpansion", /* @tp_name@ */
1023 sizeof(grand_pyobj), /* @tp_basicsize@ */
1024 0, /* @tp_itemsize@ */
1026 grand_pydealloc, /* @tp_dealloc@ */
1028 0, /* @tp_getattr@ */
1029 0, /* @tp_setattr@ */
1030 0, /* @tp_compare@ */
1032 0, /* @tp_as_number@ */
1033 0, /* @tp_as_sequence@ */
1034 0, /* @tp_as_mapping@ */
1038 0, /* @tp_getattro@ */
1039 0, /* @tp_setattro@ */
1040 0, /* @tp_as_buffer@ */
1041 Py_TPFLAGS_DEFAULT | /* @tp_flags@ */
1042 Py_TPFLAGS_BASETYPE,
1045 "TLSDataExpansion(KEY, SEED, [mac = sha_hmac]):\n"
1046 " TLS data expansion function.",
1048 0, /* @tp_traverse@ */
1050 0, /* @tp_richcompare@ */
1051 0, /* @tp_weaklistoffset@ */
1053 0, /* @tp_iternext@ */
1054 0, /* @tp_methods@ */
1055 0, /* @tp_members@ */
1056 0, /* @tp_getset@ */
1059 0, /* @tp_descr_get@ */
1060 0, /* @tp_descr_set@ */
1061 0, /* @tp_dictoffset@ */
1063 PyType_GenericAlloc, /* @tp_alloc@ */
1064 tlsdx_pynew, /* @tp_new@ */
1069 static const PyTypeObject tlsprf_pytype_skel = {
1070 PyVarObject_HEAD_INIT(0, 0) /* Header */
1071 "TLSPRF", /* @tp_name@ */
1072 sizeof(grand_pyobj), /* @tp_basicsize@ */
1073 0, /* @tp_itemsize@ */
1075 grand_pydealloc, /* @tp_dealloc@ */
1077 0, /* @tp_getattr@ */
1078 0, /* @tp_setattr@ */
1079 0, /* @tp_compare@ */
1081 0, /* @tp_as_number@ */
1082 0, /* @tp_as_sequence@ */
1083 0, /* @tp_as_mapping@ */
1087 0, /* @tp_getattro@ */
1088 0, /* @tp_setattro@ */
1089 0, /* @tp_as_buffer@ */
1090 Py_TPFLAGS_DEFAULT | /* @tp_flags@ */
1091 Py_TPFLAGS_BASETYPE,
1094 "TLSPRF(KEY, SEED, [lmac = md5_hmac], [rmac = sha_hmac]):\n"
1095 " TLS pseudorandom function.",
1097 0, /* @tp_traverse@ */
1099 0, /* @tp_richcompare@ */
1100 0, /* @tp_weaklistoffset@ */
1102 0, /* @tp_iternext@ */
1103 0, /* @tp_methods@ */
1104 0, /* @tp_members@ */
1105 0, /* @tp_getset@ */
1108 0, /* @tp_descr_get@ */
1109 0, /* @tp_descr_set@ */
1110 0, /* @tp_dictoffset@ */
1112 PyType_GenericAlloc, /* @tp_alloc@ */
1113 tlsprf_pynew, /* @tp_new@ */
1118 /*----- DSA generator -----------------------------------------------------*/
1120 static PyObject *dsarand_pynew(PyTypeObject *ty, PyObject *arg, PyObject *kw)
1123 unsigned passes = 1;
1126 static const char *const kwlist[] = { "seed", "passes", 0 };
1128 if (!PyArg_ParseTupleAndKeywords(arg, kw, "O&|O&:new", KWLIST,
1129 convbin, &in, convuint, &passes))
1131 if (!passes) VALERR("must be positive");
1132 r = dsarand_create(in.p, in.sz);
1133 if (passes != 1) r->ops->misc(r, DSARAND_PASSES, passes);
1134 rc = grand_dopywrap(ty, r, f_freeme);
1139 static PyObject *drget_seed(PyObject *me, void *hunoz)
1141 grand *r = GRAND_R(me);
1142 int n = r->ops->misc(r, DSARAND_SEEDSZ);
1143 PyObject *rc = bytestring_pywrap(0, n);
1144 r->ops->misc(r, DSARAND_GETSEED, BIN_PTR(rc));
1148 static PyObject *drget_passes(PyObject *me, void *hunoz)
1150 grand *r = GRAND_R(me);
1151 return (PyInt_FromLong(r->ops->misc(r, DSARAND_PASSES, 0)));
1154 static int drset_passes(PyObject *me, PyObject *val, void *hunoz)
1156 grand *r = GRAND_R(me);
1160 if (!val) NIERR("__del__");
1161 n = PyInt_AsLong(val); if (n == -1 && PyErr_Occurred()) goto end;
1162 if (n <= 0) VALERR("must be positive");
1163 if (n > ULONG_MAX) VALERR("out of range");
1164 r->ops->misc(r, DSARAND_PASSES, (unsigned)n);
1170 static const PyGetSetDef dsarand_pygetset[] = {
1171 #define GETSETNAME(op, name) dr##op##_##name
1172 GET (seed, "R.seed -> current generator seed")
1173 GETSET(passes, "R.passes -> number of passes to create output")
1178 static const PyTypeObject dsarand_pytype_skel = {
1179 PyVarObject_HEAD_INIT(0, 0) /* Header */
1180 "DSARand", /* @tp_name@ */
1181 sizeof(grand_pyobj), /* @tp_basicsize@ */
1182 0, /* @tp_itemsize@ */
1184 grand_pydealloc, /* @tp_dealloc@ */
1186 0, /* @tp_getattr@ */
1187 0, /* @tp_setattr@ */
1188 0, /* @tp_compare@ */
1190 0, /* @tp_as_number@ */
1191 0, /* @tp_as_sequence@ */
1192 0, /* @tp_as_mapping@ */
1196 0, /* @tp_getattro@ */
1197 0, /* @tp_setattro@ */
1198 0, /* @tp_as_buffer@ */
1199 Py_TPFLAGS_DEFAULT | /* @tp_flags@ */
1200 Py_TPFLAGS_BASETYPE,
1203 "DSARand(SEED): pseudorandom number generator for DSA parameters.",
1205 0, /* @tp_traverse@ */
1207 0, /* @tp_richcompare@ */
1208 0, /* @tp_weaklistoffset@ */
1210 0, /* @tp_iternext@ */
1211 0, /* @tp_methods@ */
1212 0, /* @tp_members@ */
1213 PYGETSET(dsarand), /* @tp_getset@ */
1216 0, /* @tp_descr_get@ */
1217 0, /* @tp_descr_set@ */
1218 0, /* @tp_dictoffset@ */
1220 PyType_GenericAlloc, /* @tp_alloc@ */
1221 dsarand_pynew, /* @tp_new@ */
1226 /*----- Blum-Blum-Shub generator ------------------------------------------*/
1228 static PyObject *bbs_pynew(PyTypeObject *ty, PyObject *arg, PyObject *kw)
1230 mp *n = 0, *x = MP_TWO;
1232 static const char *const kwlist[] = { "n", "x", 0 };
1234 if (!PyArg_ParseTupleAndKeywords(arg, kw, "O&|O&:new", KWLIST,
1235 convmp, &n, convmp, &x))
1237 rc = grand_dopywrap(ty, bbs_rand(n, x), f_freeme);
1244 static PyObject *bbsmeth_step(PyObject *me)
1245 { grand *r = GRAND_R(me); r->ops->misc(r, BBS_STEP); RETURN_ME; }
1247 static PyObject *bbsmeth_bits(PyObject *me, PyObject *arg)
1249 grand *r = GRAND_R(me); unsigned n; uint32 w;
1250 if (!PyArg_ParseTuple(arg, "O&:bits", convuint, &n)) goto end;
1251 if (n > 32) VALERR("can't get more than 32 bits");
1252 r->ops->misc(r, BBS_BITS, n, &w); return (getulong(w));
1257 static PyObject *bbsmeth_wrap(PyObject *me)
1258 { grand *r = GRAND_R(me); r->ops->misc(r, BBS_WRAP); RETURN_ME; }
1260 static PyObject *bbsget_n(PyObject *me, void *hunoz)
1262 mp *x = MP_NEW; grand *r = GRAND_R(me);
1263 r->ops->misc(r, BBS_MOD, &x); return (mp_pywrap(x));
1266 static PyObject *bbsget_x(PyObject *me, void *hunoz)
1268 mp *x = MP_NEW; grand *r = GRAND_R(me);
1269 r->ops->misc(r, BBS_STATE, &x); return (mp_pywrap(x));
1272 static int bbsset_x(PyObject *me, PyObject *val, void *hunoz)
1274 mp *x = 0; grand *r = GRAND_R(me); int rc = -1; if (!val) NIERR("__del__");
1275 if ((x = getmp(val)) == 0) goto end;
1276 r->ops->misc(r, BBS_SET, x); rc = 0;
1277 end: mp_drop(x); return (rc);
1280 static PyObject *bbsget_stepsz(PyObject *me, void *hunoz)
1282 grand *r = GRAND_R(me);
1283 return (PyInt_FromLong(r->ops->misc(r, BBS_STEPSZ)));
1286 static const PyMethodDef bbs_pymethods[] = {
1287 #define METHNAME(name) bbsmeth_##name
1288 NAMETH(step, "R.step(): steps the generator (not useful)")
1289 METH (bits, "R.bits(N) -> W: returns N bits (<= 32) from the generator")
1290 NAMETH(wrap, "R.wrap(): flushes unused bits in internal buffer")
1295 static const PyGetSetDef bbs_pygetset[] = {
1296 #define GETSETNAME(op, name) bbs##op##_##name
1297 GET (n, "R.n -> Blum modulus")
1298 GETSET(x, "R.x -> current seed value")
1299 GET (stepsz, "R.stepsz -> number of bits generated per step")
1304 static const PyTypeObject bbs_pytype_skel = {
1305 PyVarObject_HEAD_INIT(0, 0) /* Header */
1306 "BlumBlumShub", /* @tp_name@ */
1307 sizeof(grand_pyobj), /* @tp_basicsize@ */
1308 0, /* @tp_itemsize@ */
1310 grand_pydealloc, /* @tp_dealloc@ */
1312 0, /* @tp_getattr@ */
1313 0, /* @tp_setattr@ */
1314 0, /* @tp_compare@ */
1316 0, /* @tp_as_number@ */
1317 0, /* @tp_as_sequence@ */
1318 0, /* @tp_as_mapping@ */
1322 0, /* @tp_getattro@ */
1323 0, /* @tp_setattro@ */
1324 0, /* @tp_as_buffer@ */
1325 Py_TPFLAGS_DEFAULT | /* @tp_flags@ */
1326 Py_TPFLAGS_BASETYPE,
1329 "BlumBlumShub(N, [x = 2]): Blum-Blum-Shub pseudorandom number generator.",
1331 0, /* @tp_traverse@ */
1333 0, /* @tp_richcompare@ */
1334 0, /* @tp_weaklistoffset@ */
1336 0, /* @tp_iternext@ */
1337 PYMETHODS(bbs), /* @tp_methods@ */
1338 0, /* @tp_members@ */
1339 PYGETSET(bbs), /* @tp_getset@ */
1342 0, /* @tp_descr_get@ */
1343 0, /* @tp_descr_set@ */
1344 0, /* @tp_dictoffset@ */
1346 PyType_GenericAlloc, /* @tp_alloc@ */
1347 bbs_pynew, /* @tp_new@ */
1352 typedef struct bbspriv_pyobj {
1357 #define BBSPRIV_BP(o) (&((bbspriv_pyobj *)(o))->bp)
1359 static PyObject *bbspriv_pynew(PyTypeObject *ty,
1360 PyObject *arg, PyObject *kw)
1362 mp *p = 0, *q = 0, *n = 0, *x = MP_TWO;
1363 bbspriv_pyobj *rc = 0;
1364 static const char *const kwlist[] = { "n", "p", "q", "seed", 0 };
1366 if (!PyArg_ParseTupleAndKeywords(arg, kw, "|O&O&O&O&:new", KWLIST,
1367 convmp, &n, convmp, &p, convmp, &q,
1370 if (!n + !p + !q > 1) VALERR("must specify at least two of n, p, q");
1371 if (!n) n = mp_mul(MP_NEW, p, q);
1372 else if (!p) mp_div(&p, 0, n, q);
1373 else if (!q) mp_div(&q, 0, n, p);
1374 rc = (bbspriv_pyobj *)ty->tp_alloc(ty, 0);
1375 rc->gr.r = bbs_rand(n, x);
1376 rc->gr.f = f_freeme;
1377 rc->bp.p = MP_COPY(p);
1378 rc->bp.q = MP_COPY(q);
1379 rc->bp.n = MP_COPY(n);
1381 mp_drop(p); mp_drop(q); mp_drop(n); mp_drop(x);
1382 return ((PyObject *)rc);
1385 static PyObject *bpmeth_generate(PyObject *me, PyObject *arg, PyObject *kw)
1387 bbs_priv bp = { 0 };
1389 struct excinfo exc = EXCINFO_INIT;
1390 pypgev evt = { { 0 } };
1391 unsigned nbits, n = 0;
1392 grand *r = &rand_global;
1393 static const char *const kwlist[] =
1394 { "nbits", "event", "rng", "nsteps", "seed", 0 };
1395 bbspriv_pyobj *rc = 0;
1398 if (!PyArg_ParseTupleAndKeywords(arg, kw, "O&|O&O&O&O&:generate", KWLIST,
1399 convuint, &nbits, convpgev, &evt,
1400 convgrand, &r, convuint, &n, convmp, &x))
1402 if (bbs_gen(&bp, nbits, r, n, evt.ev.proc, evt.ev.ctx))
1404 rc = PyObject_New(bbspriv_pyobj, bbspriv_pytype);
1405 rc->gr.r = bbs_rand(bp.n, x);
1406 rc->gr.f = f_freeme;
1407 rc->bp.p = MP_COPY(bp.p);
1408 rc->bp.q = MP_COPY(bp.q);
1409 rc->bp.n = MP_COPY(bp.n);
1411 mp_drop(bp.p); mp_drop(bp.q); mp_drop(bp.n); mp_drop(x);
1412 return ((PyObject *)rc);
1415 static void bbspriv_pydealloc(PyObject *me)
1417 bbs_priv *bp = BBSPRIV_BP(me);
1421 grand_pydealloc(me);
1424 static PyObject *bpmeth_ff(PyObject *me, PyObject *arg)
1426 mp *n = 0; grand *r = GRAND_R(me); bbs_priv *bp = BBSPRIV_BP(me);
1427 if (!PyArg_ParseTuple(arg, "O&:ff", convmp, &n)) return (0);
1428 r->ops->misc(r, BBS_FF, bp, n); RETURN_ME;
1431 static PyObject *bpmeth_rew(PyObject *me, PyObject *arg)
1433 mp *n = 0; grand *r = GRAND_R(me); bbs_priv *bp = BBSPRIV_BP(me);
1434 if (!PyArg_ParseTuple(arg, "O&:rew", convmp, &n)) return (0);
1435 r->ops->misc(r, BBS_REW, bp, n); RETURN_ME;
1438 static PyObject *bpget_n(PyObject *me, void *hunoz)
1439 { return (mp_pywrap(MP_COPY(BBSPRIV_BP(me)->n))); }
1441 static PyObject *bpget_p(PyObject *me, void *hunoz)
1442 { return (mp_pywrap(MP_COPY(BBSPRIV_BP(me)->p))); }
1444 static PyObject *bpget_q(PyObject *me, void *hunoz)
1445 { return (mp_pywrap(MP_COPY(BBSPRIV_BP(me)->q))); }
1447 static const PyMethodDef bbspriv_pymethods[] = {
1448 #define METHNAME(name) bpmeth_##name
1449 METH (ff, "R.ff(N): fast-forward N places")
1450 METH (rew, "R.rew(N): rewind N places")
1451 KWSMTH(generate, "generate(NBITS, [event = pgen_nullev], "
1452 "[rng = rand], [nsteps = 0], [seed = 2]) -> R")
1457 static const PyGetSetDef bbspriv_pygetset[] = {
1458 #define GETSETNAME(op, name) bp##op##_##name
1459 GET (n, "R.n -> Blum modulus")
1460 GET (p, "R.p -> one of the factors of the modulus")
1461 GET (q, "R.q -> one of the factors of the modulus")
1466 static const PyTypeObject bbspriv_pytype_skel = {
1467 PyVarObject_HEAD_INIT(0, 0) /* Header */
1468 "BBSPriv", /* @tp_name@ */
1469 sizeof(bbspriv_pyobj), /* @tp_basicsize@ */
1470 0, /* @tp_itemsize@ */
1472 bbspriv_pydealloc, /* @tp_dealloc@ */
1474 0, /* @tp_getattr@ */
1475 0, /* @tp_setattr@ */
1476 0, /* @tp_compare@ */
1478 0, /* @tp_as_number@ */
1479 0, /* @tp_as_sequence@ */
1480 0, /* @tp_as_mapping@ */
1484 0, /* @tp_getattro@ */
1485 0, /* @tp_setattro@ */
1486 0, /* @tp_as_buffer@ */
1487 Py_TPFLAGS_DEFAULT | /* @tp_flags@ */
1488 Py_TPFLAGS_BASETYPE,
1491 "BBSPriv(..., [seed = 2]): Blum-Blum-Shub, with private key.\n"
1492 " Keywords: n, p, q; must provide at least two",
1494 0, /* @tp_traverse@ */
1496 0, /* @tp_richcompare@ */
1497 0, /* @tp_weaklistoffset@ */
1499 0, /* @tp_iternext@ */
1500 PYMETHODS(bbspriv), /* @tp_methods@ */
1501 0, /* @tp_members@ */
1502 PYGETSET(bbspriv), /* @tp_getset@ */
1505 0, /* @tp_descr_get@ */
1506 0, /* @tp_descr_set@ */
1507 0, /* @tp_dictoffset@ */
1509 PyType_GenericAlloc, /* @tp_alloc@ */
1510 bbspriv_pynew, /* @tp_new@ */
1515 /*----- Global stuff ------------------------------------------------------*/
1517 static const struct nameval consts[] = {
1522 void rand_pyinit(void)
1524 INITTYPE(grand, root);
1525 INITTYPE(truerand, grand);
1526 INITTYPE(fibrand, grand);
1527 INITTYPE(lcrand, grand);
1528 INITTYPE(dsarand, grand);
1529 INITTYPE(bbs, grand);
1530 INITTYPE(bbspriv, bbs);
1531 INITTYPE(sslprf, grand);
1532 INITTYPE(tlsdx, grand);
1533 INITTYPE(tlsprf, grand);
1534 INITTYPE(gccrand, type);
1535 INITTYPE(gcrand, grand);
1536 INITTYPE(gclatinrand, gcrand);
1537 rand_noisesrc(RAND_GLOBAL, &noise_source);
1538 rand_seed(RAND_GLOBAL, 160);
1541 static const char *crand_namefn(const void *p)
1542 { const gccrand_info *const *cls = p; return (*cls ? (*cls)->name : 0); }
1543 static PyObject *crand_valfn(const void *p)
1544 { const gccrand_info *const *cls = p; return (gccrand_pywrap(*cls)); }
1546 void rand_pyinsert(PyObject *mod)
1548 INSERT("GRand", grand_pytype);
1549 INSERT("TrueRand", truerand_pytype);
1550 INSERT("LCRand", lcrand_pytype);
1551 INSERT("FibRand", fibrand_pytype);
1552 INSERT("SSLRand", sslprf_pytype);
1553 INSERT("TLSDataExpansion", tlsdx_pytype);
1554 INSERT("TLSPRF", tlsprf_pytype);
1555 INSERT("DSARand", dsarand_pytype);
1556 INSERT("BlumBlumShub", bbs_pytype);
1557 INSERT("BBSPriv", bbspriv_pytype);
1558 INSERT("GCCRand", gccrand_pytype);
1559 INSERT("GCRand", gcrand_pytype);
1560 INSERT("GCLatinRand", gclatinrand_pytype);
1561 rand_pyobj = grand_pywrap(&rand_global, 0); Py_INCREF(rand_pyobj);
1562 gccrands_dict = make_algtab(gcrandtab, sizeof(gccrand_info *),
1563 crand_namefn, crand_valfn);
1564 INSERT("gccrands", gccrands_dict); Py_INCREF(gccrands_dict);
1565 INSERT("rand", rand_pyobj);
1566 setconstants(mod, consts);
1569 /*----- That's all, folks -------------------------------------------------*/