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"
30 #include "algorithms.h"
32 /*----- Main code ---------------------------------------------------------*/
34 PyTypeObject
*grand_pytype
, *truerand_pytype
;
35 PyTypeObject
*lcrand_pytype
, *fibrand_pytype
;
36 PyTypeObject
*dsarand_pytype
, *bbs_pytype
, *bbspriv_pytype
;
37 PyTypeObject
*sslprf_pytype
, *tlsdx_pytype
, *tlsprf_pytype
;
40 static PyObject
*gccrands_dict
;
42 static PyObject
*grand_dopywrap(PyTypeObject
*ty
, grand
*r
, unsigned f
)
46 g
= (grand_pyobj
*)ty
->tp_alloc(ty
, 0);
49 return ((PyObject
*)g
);
52 PyObject
*grand_pywrap(grand
*r
, unsigned f
)
54 PyTypeObject
*ty
= grand_pytype
;
57 if (strcmp(r
->ops
->name
, "rand") == 0) ty
= truerand_pytype
;
58 else if (strcmp(r
->ops
->name
, "lcrand") == 0) ty
= lcrand_pytype
;
59 else if (strcmp(r
->ops
->name
, "fibrand") == 0) ty
= fibrand_pytype
;
60 else if (strcmp(r
->ops
->name
, "dsarand") == 0) ty
= dsarand_pytype
;
61 else if (strcmp(r
->ops
->name
, "bbs") == 0) ty
= bbs_pytype
;
62 else if (strcmp(r
->ops
->name
, "sslprf") == 0) ty
= sslprf_pytype
;
63 else if (strcmp(r
->ops
->name
, "tlsdx") == 0) ty
= tlsdx_pytype
;
64 else if (strcmp(r
->ops
->name
, "tlsprf") == 0) ty
= tlsprf_pytype
;
65 else if ((ob
= PyDict_GetItemString(gccrands_dict
, r
->ops
->name
)) != 0)
66 ty
= (PyTypeObject
*)ob
;
67 return (grand_dopywrap(ty
, r
, f
));
70 CONVFUNC(grand
, grand
*, GRAND_R
)
72 static int grand_check(PyObject
*me
)
74 if (!GRAND_R(me
)) VALERR("random generator object is no longer valid");
80 static PyObject
*grmeth_byte(PyObject
*me
, PyObject
*arg
)
82 if (!PyArg_ParseTuple(arg
, ":byte")) return (0);
83 if (grand_check(me
)) return (0);
84 return (PyInt_FromLong(grand_byte(GRAND_R(me
))));
87 static PyObject
*grmeth_word(PyObject
*me
, PyObject
*arg
)
89 if (!PyArg_ParseTuple(arg
, ":word")) return (0);
90 if (grand_check(me
)) return (0);
91 return (getulong(grand_word(GRAND_R(me
))));
94 static PyObject
*grmeth_range(PyObject
*me
, PyObject
*arg
)
100 if (!PyArg_ParseTuple(arg
, "O:range", &m
)) return (0);
101 if (grand_check(me
)) return (0);
102 if (PyInt_Check(m
)) {
103 long mm
= PyInt_AS_LONG(m
);
106 if (mm
<= 0xffffffff)
107 return (PyInt_FromLong(grand_range(GRAND_R(me
), mm
)));
109 if ((x
= getmp(m
)) == 0)
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 char *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
), PyString_AS_STRING(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
)
189 grand
*r
= GRAND_R(me
);
190 if (!PyArg_ParseTuple(arg
, "s#:seedblock", &p
, &n
) ||
191 grand_check(me
) || checkop(r
, GRAND_SEEDBLOCK
, "seedblock"))
193 r
->ops
->misc(r
, GRAND_SEEDBLOCK
, p
, (size_t)n
);
199 static PyObject
*grmeth_seedmp(PyObject
*me
, PyObject
*arg
)
203 grand
*r
= GRAND_R(me
);
204 if (!PyArg_ParseTuple(arg
, "O:seedmp", &x
) ||
205 grand_check(me
) || checkop(r
, GRAND_SEEDMP
, "seedmp") ||
206 (xx
= getmp(x
)) == 0)
208 r
->ops
->misc(r
, GRAND_SEEDMP
, xx
);
215 static PyObject
*grmeth_seedrand(PyObject
*me
, PyObject
*arg
, PyObject
*kw
)
217 char *kwlist
[] = { "rng", 0 };
218 grand
*r
= GRAND_R(me
);
219 grand
*rr
= &rand_global
;
220 if (!PyArg_ParseTupleAndKeywords(arg
, kw
, "|O&:seedrand", kwlist
,
222 grand_check(me
) || checkop(r
, GRAND_SEEDRAND
, "seedrand"))
224 r
->ops
->misc(r
, GRAND_SEEDRAND
, rr
);
230 static PyObject
*grmeth_mask(PyObject
*me
, PyObject
*arg
)
232 grand
*r
= GRAND_R(me
);
237 if (!PyArg_ParseTuple(arg
, "s#:mask", &p
, &sz
)) return (0);
238 if (grand_check(me
)) return (0);
239 rc
= bytestring_pywrap(0, sz
);
240 q
= PyString_AS_STRING(rc
);
242 while (sz
--) *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 : PyString_FromString(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 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 PyMethodDef grand_pymethods
[] = {
268 #define METHNAME(name) grmeth_##name
269 METH (byte
, "R.byte() -> BYTE")
270 METH (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 PyTypeObject grand_pytype_skel
= {
285 PyObject_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 grand_pymethods
, /* @tp_methods@ */
318 0, /* @tp_members@ */
319 grand_pygetset
, /* @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 char *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 PyTypeObject lcrand_pytype_skel
= {
342 PyObject_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 "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 char *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 PyTypeObject fibrand_pytype_skel
= {
399 PyObject_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 "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
, PyObject
*arg
)
450 grand
*r
= GRAND_R(me
);
451 if (!PyArg_ParseTuple(arg
, ":gate")) return (0);
452 r
->ops
->misc(r
, RAND_GATE
);
456 static PyObject
*trmeth_stretch(PyObject
*me
, PyObject
*arg
)
458 grand
*r
= GRAND_R(me
);
459 if (!PyArg_ParseTuple(arg
, ":stretch")) return (0);
460 r
->ops
->misc(r
, RAND_STRETCH
);
464 static PyObject
*trmeth_add(PyObject
*me
, PyObject
*arg
)
466 grand
*r
= GRAND_R(me
);
467 char *p
; Py_ssize_t n
; unsigned goodbits
;
468 if (!PyArg_ParseTuple(arg
, "s#O&:add", &p
, &n
, convuint
, &goodbits
))
470 r
->ops
->misc(r
, RAND_ADD
, p
, (size_t)n
, goodbits
);
474 static PyObject
*trmeth_key(PyObject
*me
, PyObject
*arg
)
476 grand
*r
= GRAND_R(me
);
477 char *p
; Py_ssize_t n
;
478 if (!PyArg_ParseTuple(arg
, "s#:key", &p
, &n
)) return (0);
479 r
->ops
->misc(r
, RAND_KEY
, p
, (size_t)n
);
483 static PyObject
*trmeth_seed(PyObject
*me
, PyObject
*arg
)
485 grand
*r
= GRAND_R(me
);
487 if (!PyArg_ParseTuple(arg
, "O&:seed", convuint
, &u
)) return (0);
488 if (u
> RAND_IBITS
) VALERR("pointlessly large");
489 r
->ops
->misc(r
, RAND_SEED
, u
);
495 static PyObject
*trmeth_timer(PyObject
*me
, PyObject
*arg
)
497 grand
*r
= GRAND_R(me
);
498 if (!PyArg_ParseTuple(arg
, ":timer")) return (0);
499 r
->ops
->misc(r
, RAND_TIMER
);
503 static PyObject
*truerand_pynew(PyTypeObject
*ty
,
504 PyObject
*arg
, PyObject
*kw
)
506 char *kwlist
[] = { 0 };
509 if (PyArg_ParseTupleAndKeywords(arg
, kw
, ":new", kwlist
)) goto end
;
511 r
->ops
->misc(r
, RAND_NOISESRC
, &noise_source
);
512 r
->ops
->misc(r
, RAND_SEED
, 160);
513 rc
= grand_dopywrap(ty
, r
, f_freeme
);
518 static PyMethodDef truerand_pymethods
[] = {
519 #define METHNAME(name) trmeth_##name
520 METH (gate
, "R.gate()")
521 METH (stretch
, "R.stretch()")
522 METH (key
, "R.key(BYTES)")
523 METH (seed
, "R.seed(NBITS)")
524 METH (add
, "R.add(BYTES, GOODBITS")
525 METH (timer
, "R.timer()")
530 static PyObject
*trget_goodbits(PyObject
*me
, void *hunoz
)
532 grand
*r
= GRAND_R(me
);
533 return (PyInt_FromLong(r
->ops
->misc(r
, RAND_GOODBITS
)));
536 static PyGetSetDef truerand_pygetset
[] = {
537 #define GETSETNAME(op, name) tr##op##_##name
538 GET (goodbits
, "R.goodbits -> good bits of entropy remaining")
543 static PyTypeObject truerand_pytype_skel
= {
544 PyObject_HEAD_INIT(0) 0, /* Header */
545 "TrueRand", /* @tp_name@ */
546 sizeof(grand_pyobj
), /* @tp_basicsize@ */
547 0, /* @tp_itemsize@ */
549 grand_pydealloc
, /* @tp_dealloc@ */
551 0, /* @tp_getattr@ */
552 0, /* @tp_setattr@ */
553 0, /* @tp_compare@ */
555 0, /* @tp_as_number@ */
556 0, /* @tp_as_sequence@ */
557 0, /* @tp_as_mapping@ */
561 0, /* @tp_getattro@ */
562 0, /* @tp_setattro@ */
563 0, /* @tp_as_buffer@ */
564 Py_TPFLAGS_DEFAULT
| /* @tp_flags@ */
568 "True random number source.",
570 0, /* @tp_traverse@ */
572 0, /* @tp_richcompare@ */
573 0, /* @tp_weaklistoffset@ */
575 0, /* @tp_iternext@ */
576 truerand_pymethods
, /* @tp_methods@ */
577 0, /* @tp_members@ */
578 truerand_pygetset
, /* @tp_getset@ */
581 0, /* @tp_descr_get@ */
582 0, /* @tp_descr_set@ */
583 0, /* @tp_dictoffset@ */
585 PyType_GenericAlloc
, /* @tp_alloc@ */
586 truerand_pynew
, /* @tp_new@ */
591 /*----- Generators from symmetric encryption algorithms -------------------*/
593 static PyTypeObject
*gccrand_pytype
, *gcrand_pytype
, *gclatinrand_pytype
;
595 typedef grand
*gcrand_func(const void *, size_t sz
);
596 typedef grand
*gcirand_func(const void *, size_t sz
, uint32
);
597 typedef grand
*gcnrand_func(const void *, size_t sz
, const void *);
598 typedef grand
*gcshakerand_func(const void *, size_t,
599 const void *, size_t,
600 const void *, size_t);
601 typedef grand
*gcshafuncrand_func(const void *, size_t,
602 const void *, size_t);
603 typedef grand
*gckmacrand_func(const void *, size_t, const void *, size_t);
604 typedef struct gccrand_info
{
612 #define RNGF_MASK 255u
622 typedef struct gccrand_pyobj
{
624 const gccrand_info
*info
;
626 #define GCCRAND_INFO(o) (((gccrand_pyobj *)(o))->info)
628 #define GCCRAND_DEF(name, ksz, func, f, nsz) \
629 static const gccrand_info func##_info = \
630 { name, ksz, f, nsz, (gcrand_func *)func };
633 static const gccrand_info
*const gcrandtab
[] = {
634 #define GCCRAND_ENTRY(name, ksz, func, f, nsz) &func##_info,
639 static PyObject
*gcrand_pynew(PyTypeObject
*ty
, PyObject
*arg
, PyObject
*kw
)
641 const gccrand_info
*info
= GCCRAND_INFO(ty
);
642 static char *kwlist
[] = { "key", 0 };
646 if (!PyArg_ParseTupleAndKeywords(arg
, kw
, "s#:new", kwlist
, &k
, &n
))
648 if (keysz(n
, info
->keysz
) != n
) VALERR("bad key length");
649 return (grand_dopywrap(ty
, info
->func(k
, n
), f_freeme
));
654 static PyObject
*gcirand_pynew(PyTypeObject
*ty
, PyObject
*arg
, PyObject
*kw
)
656 const gccrand_info
*info
= GCCRAND_INFO(ty
);
658 static char *kwlist
[] = { "key", "i", 0 };
662 if (!PyArg_ParseTupleAndKeywords(arg
, kw
, "s#O&:new", kwlist
,
663 &k
, &n
, convu32
, &i
))
665 if (keysz(n
, info
->keysz
) != n
) VALERR("bad key length");
666 return (grand_dopywrap(ty
,
667 ((gcirand_func
*)info
->func
)(k
, n
, i
),
673 static PyObject
*gcnrand_pynew(PyTypeObject
*ty
, PyObject
*arg
, PyObject
*kw
)
675 const gccrand_info
*info
= GCCRAND_INFO(ty
);
676 static char *kwlist
[] = { "key", "nonce", 0 };
680 if (!PyArg_ParseTupleAndKeywords(arg
, kw
, "s#s#:new", kwlist
,
683 if (keysz(ksz
, info
->keysz
) != ksz
) VALERR("bad key length");
684 if (nsz
!= info
->noncesz
) VALERR("bad nonce length");
685 return (grand_dopywrap(ty
,
686 ((gcnrand_func
*)info
->func
)(k
, ksz
, n
),
692 static PyObject
*gcshakyrand_pynew(PyTypeObject
*ty
,
693 PyObject
*arg
, PyObject
*kw
)
695 const gccrand_info
*info
= GCCRAND_INFO(ty
);
696 static char *kwlist_shake
[] = { "key", "func", "perso", 0 };
697 static char *kwlist_func
[] = { "key", "perso", 0 };
698 char *k
, *f
= 0, *p
= 0;
699 Py_ssize_t ksz
, fsz
= 0, psz
= 0;
701 if ((info
->f
&RNGF_MASK
) == RNG_SHAKE
702 ?
!PyArg_ParseTupleAndKeywords(arg
, kw
, "s#|s#s#:new", kwlist_shake
,
703 &k
, &ksz
, &f
, &fsz
, &p
, &psz
)
704 : !PyArg_ParseTupleAndKeywords(arg
, kw
, "s#|s#:new", kwlist_func
,
707 if (keysz(ksz
, info
->keysz
) != ksz
) VALERR("bad key length");
708 return (grand_dopywrap(ty
,
709 (info
->f
&RNGF_MASK
) == RNG_SHAKE
710 ?
((gcshakerand_func
*)info
->func
)(f
, fsz
,
713 : ((gcshafuncrand_func
*)info
->func
)(p
, psz
,
720 static PyObject
*gccrand_pywrap(const gccrand_info
*info
)
722 gccrand_pyobj
*g
= newtype(gccrand_pytype
, 0, info
->name
);
724 g
->ty
.ht_type
.tp_basicsize
= sizeof(grand_pyobj
);
725 switch (info
->f
&RNGF_MASK
) {
726 case RNG_LATIN
: g
->ty
.ht_type
.tp_base
= gclatinrand_pytype
; break;
727 default: g
->ty
.ht_type
.tp_base
= gcrand_pytype
; break;
729 Py_INCREF(g
->ty
.ht_type
.tp_base
);
730 g
->ty
.ht_type
.tp_flags
= (Py_TPFLAGS_DEFAULT
|
731 Py_TPFLAGS_BASETYPE
|
732 Py_TPFLAGS_HEAPTYPE
);
733 g
->ty
.ht_type
.tp_alloc
= PyType_GenericAlloc
;
734 g
->ty
.ht_type
.tp_free
= 0;
735 switch (info
->f
&RNGF_MASK
) {
736 case RNG_LATIN
: g
->ty
.ht_type
.tp_new
= gcnrand_pynew
; break;
737 case RNG_SEAL
: g
->ty
.ht_type
.tp_new
= gcirand_pynew
; break;
738 case RNG_SHAKE
: case RNG_KMAC
:
739 g
->ty
.ht_type
.tp_new
= gcshakyrand_pynew
; break;
740 default: g
->ty
.ht_type
.tp_new
= gcrand_pynew
; break;
742 typeready(&g
->ty
.ht_type
);
743 return ((PyObject
*)g
);
746 static PyObject
*gccrget_name(PyObject
*me
, void *hunoz
)
747 { return (PyString_FromString(GCCRAND_INFO(me
)->name
)); }
748 static PyObject
*gccrget_keysz(PyObject
*me
, void *hunoz
)
749 { return (keysz_pywrap(GCCRAND_INFO(me
)->keysz
)); }
751 static PyObject
*gclrmeth_tell(PyObject
*me
, PyObject
*arg
)
753 grand
*r
= GRAND_R(me
);
757 if (!PyArg_ParseTuple(arg
, ":tell")) return (0);
758 r
->ops
->misc(r
, SALSA20_TELLU64
, &off
);
763 static PyObject
*gclrmeth_seek(PyObject
*me
, PyObject
*arg
)
765 grand
*r
= GRAND_R(me
);
768 if (!PyArg_ParseTuple(arg
, "O&:seek", convk64
, &off
)) return (0);
769 r
->ops
->misc(r
, SALSA20_SEEKU64
, off
);
773 static PyGetSetDef gccrand_pygetset
[] = {
774 #define GETSETNAME(op, name) gccr##op##_##name
775 GET (keysz
, "CR.keysz -> acceptable key sizes")
776 GET (name
, "CR.name -> name of this kind of generator")
781 static PyMethodDef gclatinrand_pymethods
[] = {
782 #define METHNAME(name) gclrmeth_##name
783 METH (tell
, "R.tell() -> OFF")
784 METH (seek
, "R.seek(OFF)")
789 static PyTypeObject gccrand_pytype_skel
= {
790 PyObject_HEAD_INIT(0) 0, /* Header */
791 "GCCRand", /* @tp_name@ */
792 sizeof(gccrand_pyobj
), /* @tp_basicsize@ */
793 0, /* @tp_itemsize@ */
795 0, /* @tp_dealloc@ */
797 0, /* @tp_getattr@ */
798 0, /* @tp_setattr@ */
799 0, /* @tp_compare@ */
801 0, /* @tp_as_number@ */
802 0, /* @tp_as_sequence@ */
803 0, /* @tp_as_mapping@ */
807 0, /* @tp_getattro@ */
808 0, /* @tp_setattro@ */
809 0, /* @tp_as_buffer@ */
810 Py_TPFLAGS_DEFAULT
| /* @tp_flags@ */
814 "Metaclass for symmetric crypto-based generators.",
816 0, /* @tp_traverse@ */
818 0, /* @tp_richcompare@ */
819 0, /* @tp_weaklistoffset@ */
821 0, /* @tp_iternext@ */
822 0, /* @tp_methods@ */
823 0, /* @tp_members@ */
824 gccrand_pygetset
, /* @tp_getset@ */
827 0, /* @tp_descr_get@ */
828 0, /* @tp_descr_set@ */
829 0, /* @tp_dictoffset@ */
831 PyType_GenericAlloc
, /* @tp_alloc@ */
832 abstract_pynew
, /* @tp_new@ */
837 static PyTypeObject gcrand_pytype_skel
= {
838 PyObject_HEAD_INIT(0) 0, /* Header */
839 "GCRand", /* @tp_name@ */
840 sizeof(grand_pyobj
), /* @tp_basicsize@ */
841 0, /* @tp_itemsize@ */
843 grand_pydealloc
, /* @tp_dealloc@ */
845 0, /* @tp_getattr@ */
846 0, /* @tp_setattr@ */
847 0, /* @tp_compare@ */
849 0, /* @tp_as_number@ */
850 0, /* @tp_as_sequence@ */
851 0, /* @tp_as_mapping@ */
855 0, /* @tp_getattro@ */
856 0, /* @tp_setattro@ */
857 0, /* @tp_as_buffer@ */
858 Py_TPFLAGS_DEFAULT
| /* @tp_flags@ */
862 "Abstract base class for symmetric crypto-based generators.",
864 0, /* @tp_traverse@ */
866 0, /* @tp_richcompare@ */
867 0, /* @tp_weaklistoffset@ */
869 0, /* @tp_iternext@ */
870 0, /* @tp_methods@ */
871 0, /* @tp_members@ */
875 0, /* @tp_descr_get@ */
876 0, /* @tp_descr_set@ */
877 0, /* @tp_dictoffset@ */
879 PyType_GenericAlloc
, /* @tp_alloc@ */
880 abstract_pynew
, /* @tp_new@ */
885 static PyTypeObject gclatinrand_pytype_skel
= {
886 PyObject_HEAD_INIT(0) 0, /* Header */
887 "GCLatinRand", /* @tp_name@ */
888 sizeof(grand_pyobj
), /* @tp_basicsize@ */
889 0, /* @tp_itemsize@ */
891 grand_pydealloc
, /* @tp_dealloc@ */
893 0, /* @tp_getattr@ */
894 0, /* @tp_setattr@ */
895 0, /* @tp_compare@ */
897 0, /* @tp_as_number@ */
898 0, /* @tp_as_sequence@ */
899 0, /* @tp_as_mapping@ */
903 0, /* @tp_getattro@ */
904 0, /* @tp_setattro@ */
905 0, /* @tp_as_buffer@ */
906 Py_TPFLAGS_DEFAULT
| /* @tp_flags@ */
910 "Abstract base class for symmetric crypto-based generators.",
912 0, /* @tp_traverse@ */
914 0, /* @tp_richcompare@ */
915 0, /* @tp_weaklistoffset@ */
917 0, /* @tp_iternext@ */
918 gclatinrand_pymethods
, /* @tp_methods@ */
919 0, /* @tp_members@ */
923 0, /* @tp_descr_get@ */
924 0, /* @tp_descr_set@ */
925 0, /* @tp_dictoffset@ */
927 PyType_GenericAlloc
, /* @tp_alloc@ */
928 abstract_pynew
, /* @tp_new@ */
933 /*----- SSL and TLS generators --------------------------------------------*/
935 static PyObject
*sslprf_pynew(PyTypeObject
*ty
, PyObject
*arg
, PyObject
*kw
)
939 const gchash
*hco
= &md5
, *hci
= &sha
;
941 char *kwlist
[] = { "key", "seed", "ohash", "ihash", 0 };
943 if (!PyArg_ParseTupleAndKeywords(arg
, kw
, "s#s#|O&O&:new", kwlist
,
945 convgchash
, &hco
, convgchash
, &hci
))
947 rc
= grand_dopywrap(ty
, sslprf_rand(hco
, hci
, k
, ksz
, s
, ssz
), f_freeme
);
952 static PyObject
*tlsdx_pynew(PyTypeObject
*ty
, PyObject
*arg
, PyObject
*kw
)
956 const gcmac
*mc
= &sha_hmac
;
958 char *kwlist
[] = { "key", "seed", "mac", 0 };
960 if (!PyArg_ParseTupleAndKeywords(arg
, kw
, "s#s#|O&:new", kwlist
,
964 rc
= grand_dopywrap(ty
, tlsdx_rand(mc
, k
, ksz
, s
, ssz
), f_freeme
);
969 static PyObject
*tlsprf_pynew(PyTypeObject
*ty
, PyObject
*arg
, PyObject
*kw
)
973 const gcmac
*mcl
= &md5_hmac
, *mcr
= &sha_hmac
;
975 char *kwlist
[] = { "key", "seed", "lmac", "rmac", 0 };
977 if (!PyArg_ParseTupleAndKeywords(arg
, kw
, "s#s#|O&O&:new", kwlist
,
979 convgcmac
, &mcl
, convgcmac
, &mcr
))
981 rc
= grand_dopywrap(ty
, tlsprf_rand(mcl
, mcr
, k
, ksz
, s
, ssz
), f_freeme
);
986 static PyTypeObject sslprf_pytype_skel
= {
987 PyObject_HEAD_INIT(0) 0, /* Header */
988 "SSLRand", /* @tp_name@ */
989 sizeof(grand_pyobj
), /* @tp_basicsize@ */
990 0, /* @tp_itemsize@ */
992 grand_pydealloc
, /* @tp_dealloc@ */
994 0, /* @tp_getattr@ */
995 0, /* @tp_setattr@ */
996 0, /* @tp_compare@ */
998 0, /* @tp_as_number@ */
999 0, /* @tp_as_sequence@ */
1000 0, /* @tp_as_mapping@ */
1004 0, /* @tp_getattro@ */
1005 0, /* @tp_setattro@ */
1006 0, /* @tp_as_buffer@ */
1007 Py_TPFLAGS_DEFAULT
| /* @tp_flags@ */
1008 Py_TPFLAGS_BASETYPE
,
1011 "Random number generator for SSL master secret.",
1013 0, /* @tp_traverse@ */
1015 0, /* @tp_richcompare@ */
1016 0, /* @tp_weaklistoffset@ */
1018 0, /* @tp_iternext@ */
1019 0, /* @tp_methods@ */
1020 0, /* @tp_members@ */
1021 0, /* @tp_getset@ */
1024 0, /* @tp_descr_get@ */
1025 0, /* @tp_descr_set@ */
1026 0, /* @tp_dictoffset@ */
1028 PyType_GenericAlloc
, /* @tp_alloc@ */
1029 sslprf_pynew
, /* @tp_new@ */
1034 static PyTypeObject tlsdx_pytype_skel
= {
1035 PyObject_HEAD_INIT(0) 0, /* Header */
1036 "TLSDataExpansion", /* @tp_name@ */
1037 sizeof(grand_pyobj
), /* @tp_basicsize@ */
1038 0, /* @tp_itemsize@ */
1040 grand_pydealloc
, /* @tp_dealloc@ */
1042 0, /* @tp_getattr@ */
1043 0, /* @tp_setattr@ */
1044 0, /* @tp_compare@ */
1046 0, /* @tp_as_number@ */
1047 0, /* @tp_as_sequence@ */
1048 0, /* @tp_as_mapping@ */
1052 0, /* @tp_getattro@ */
1053 0, /* @tp_setattro@ */
1054 0, /* @tp_as_buffer@ */
1055 Py_TPFLAGS_DEFAULT
| /* @tp_flags@ */
1056 Py_TPFLAGS_BASETYPE
,
1059 "TLS data expansion function.",
1061 0, /* @tp_traverse@ */
1063 0, /* @tp_richcompare@ */
1064 0, /* @tp_weaklistoffset@ */
1066 0, /* @tp_iternext@ */
1067 0, /* @tp_methods@ */
1068 0, /* @tp_members@ */
1069 0, /* @tp_getset@ */
1072 0, /* @tp_descr_get@ */
1073 0, /* @tp_descr_set@ */
1074 0, /* @tp_dictoffset@ */
1076 PyType_GenericAlloc
, /* @tp_alloc@ */
1077 tlsdx_pynew
, /* @tp_new@ */
1082 static PyTypeObject tlsprf_pytype_skel
= {
1083 PyObject_HEAD_INIT(0) 0, /* Header */
1084 "TLSPRF", /* @tp_name@ */
1085 sizeof(grand_pyobj
), /* @tp_basicsize@ */
1086 0, /* @tp_itemsize@ */
1088 grand_pydealloc
, /* @tp_dealloc@ */
1090 0, /* @tp_getattr@ */
1091 0, /* @tp_setattr@ */
1092 0, /* @tp_compare@ */
1094 0, /* @tp_as_number@ */
1095 0, /* @tp_as_sequence@ */
1096 0, /* @tp_as_mapping@ */
1100 0, /* @tp_getattro@ */
1101 0, /* @tp_setattro@ */
1102 0, /* @tp_as_buffer@ */
1103 Py_TPFLAGS_DEFAULT
| /* @tp_flags@ */
1104 Py_TPFLAGS_BASETYPE
,
1107 "TLS pseudorandom function.",
1109 0, /* @tp_traverse@ */
1111 0, /* @tp_richcompare@ */
1112 0, /* @tp_weaklistoffset@ */
1114 0, /* @tp_iternext@ */
1115 0, /* @tp_methods@ */
1116 0, /* @tp_members@ */
1117 0, /* @tp_getset@ */
1120 0, /* @tp_descr_get@ */
1121 0, /* @tp_descr_set@ */
1122 0, /* @tp_dictoffset@ */
1124 PyType_GenericAlloc
, /* @tp_alloc@ */
1125 tlsprf_pynew
, /* @tp_new@ */
1130 /*----- DSA generator -----------------------------------------------------*/
1132 static PyObject
*dsarand_pynew(PyTypeObject
*ty
, PyObject
*arg
, PyObject
*kw
)
1137 char *kwlist
[] = { "seed", 0 };
1139 if (!PyArg_ParseTupleAndKeywords(arg
, kw
, "s#:new", kwlist
, &p
, &sz
))
1141 rc
= grand_dopywrap(ty
, dsarand_create(p
, sz
), f_freeme
);
1146 static PyObject
*drget_seed(PyObject
*me
, void *hunoz
)
1148 grand
*r
= GRAND_R(me
);
1149 int n
= r
->ops
->misc(r
, DSARAND_SEEDSZ
);
1150 PyObject
*rc
= bytestring_pywrap(0, n
);
1151 r
->ops
->misc(r
, DSARAND_GETSEED
, PyString_AS_STRING(rc
));
1155 static PyGetSetDef dsarand_pygetset
[] = {
1156 #define GETSETNAME(op, name) dr##op##_##name
1157 GET (seed
, "R.seed -> current generator seed")
1162 static PyTypeObject dsarand_pytype_skel
= {
1163 PyObject_HEAD_INIT(0) 0, /* Header */
1164 "DSARand", /* @tp_name@ */
1165 sizeof(grand_pyobj
), /* @tp_basicsize@ */
1166 0, /* @tp_itemsize@ */
1168 grand_pydealloc
, /* @tp_dealloc@ */
1170 0, /* @tp_getattr@ */
1171 0, /* @tp_setattr@ */
1172 0, /* @tp_compare@ */
1174 0, /* @tp_as_number@ */
1175 0, /* @tp_as_sequence@ */
1176 0, /* @tp_as_mapping@ */
1180 0, /* @tp_getattro@ */
1181 0, /* @tp_setattro@ */
1182 0, /* @tp_as_buffer@ */
1183 Py_TPFLAGS_DEFAULT
| /* @tp_flags@ */
1184 Py_TPFLAGS_BASETYPE
,
1187 "Pseudorandom number generator for constructing DSA parameters.",
1189 0, /* @tp_traverse@ */
1191 0, /* @tp_richcompare@ */
1192 0, /* @tp_weaklistoffset@ */
1194 0, /* @tp_iternext@ */
1195 0, /* @tp_methods@ */
1196 0, /* @tp_members@ */
1197 dsarand_pygetset
, /* @tp_getset@ */
1200 0, /* @tp_descr_get@ */
1201 0, /* @tp_descr_set@ */
1202 0, /* @tp_dictoffset@ */
1204 PyType_GenericAlloc
, /* @tp_alloc@ */
1205 dsarand_pynew
, /* @tp_new@ */
1210 /*----- Blum-Blum-Shub generator ------------------------------------------*/
1212 static PyObject
*bbs_pynew(PyTypeObject
*ty
, PyObject
*arg
, PyObject
*kw
)
1214 mp
*n
= 0, *x
= MP_TWO
;
1216 char *kwlist
[] = { "n", "x", 0 };
1218 if (!PyArg_ParseTupleAndKeywords(arg
, kw
, "O&|O&:new", kwlist
,
1219 convmp
, &n
, convmp
, &x
))
1221 rc
= grand_dopywrap(ty
, bbs_rand(n
, x
), f_freeme
);
1228 static PyObject
*bbsmeth_step(PyObject
*me
, PyObject
*arg
)
1230 grand
*r
= GRAND_R(me
); if (!PyArg_ParseTuple(arg
, ":step")) return (0);
1231 r
->ops
->misc(r
, BBS_STEP
); RETURN_ME
;
1234 static PyObject
*bbsmeth_bits(PyObject
*me
, PyObject
*arg
)
1236 grand
*r
= GRAND_R(me
); unsigned n
; uint32 w
;
1237 if (!PyArg_ParseTuple(arg
, "O&:bits", convuint
, &n
)) goto end
;
1238 if (n
> 32) VALERR("can't get more than 32 bits");
1239 r
->ops
->misc(r
, BBS_BITS
, n
, &w
); return (getulong(w
));
1244 static PyObject
*bbsmeth_wrap(PyObject
*me
, PyObject
*arg
)
1246 grand
*r
= GRAND_R(me
); if (!PyArg_ParseTuple(arg
, ":wrap")) return (0);
1247 r
->ops
->misc(r
, BBS_WRAP
); RETURN_ME
;
1250 static PyObject
*bbsget_n(PyObject
*me
, void *hunoz
)
1252 mp
*x
= MP_NEW
; grand
*r
= GRAND_R(me
);
1253 r
->ops
->misc(r
, BBS_MOD
, &x
); return (mp_pywrap(x
));
1256 static PyObject
*bbsget_x(PyObject
*me
, void *hunoz
)
1258 mp
*x
= MP_NEW
; grand
*r
= GRAND_R(me
);
1259 r
->ops
->misc(r
, BBS_STATE
, &x
); return (mp_pywrap(x
));
1262 static int bbsset_x(PyObject
*me
, PyObject
*val
, void *hunoz
)
1264 mp
*x
= 0; grand
*r
= GRAND_R(me
); int rc
= -1; if (!val
) NIERR("__del__");
1265 if ((x
= getmp(val
)) == 0) goto end
; r
->ops
->misc(r
, BBS_SET
, x
); rc
= 0;
1266 end
: mp_drop(x
); return (rc
);
1269 static PyObject
*bbsget_stepsz(PyObject
*me
, void *hunoz
)
1271 grand
*r
= GRAND_R(me
);
1272 return (PyInt_FromLong(r
->ops
->misc(r
, BBS_STEPSZ
)));
1275 static PyMethodDef bbs_pymethods
[] = {
1276 #define METHNAME(name) bbsmeth_##name
1277 METH (step
, "R.step(): steps the generator (not useful)")
1278 METH (bits
, "R.bits(N) -> W: returns N bits (<= 32) from the generator")
1279 METH (wrap
, "R.wrap(): flushes unused bits in internal buffer")
1284 static PyGetSetDef bbs_pygetset
[] = {
1285 #define GETSETNAME(op, name) bbs##op##_##name
1286 GET (n
, "R.n -> Blum modulus")
1287 GETSET(x
, "R.x -> current seed value")
1288 GET (stepsz
, "R.stepsz -> number of bits generated per step")
1293 static PyTypeObject bbs_pytype_skel
= {
1294 PyObject_HEAD_INIT(0) 0, /* Header */
1295 "BlumBlumShub", /* @tp_name@ */
1296 sizeof(grand_pyobj
), /* @tp_basicsize@ */
1297 0, /* @tp_itemsize@ */
1299 grand_pydealloc
, /* @tp_dealloc@ */
1301 0, /* @tp_getattr@ */
1302 0, /* @tp_setattr@ */
1303 0, /* @tp_compare@ */
1305 0, /* @tp_as_number@ */
1306 0, /* @tp_as_sequence@ */
1307 0, /* @tp_as_mapping@ */
1311 0, /* @tp_getattro@ */
1312 0, /* @tp_setattro@ */
1313 0, /* @tp_as_buffer@ */
1314 Py_TPFLAGS_DEFAULT
| /* @tp_flags@ */
1315 Py_TPFLAGS_BASETYPE
,
1318 "Blum-Blum-Shub strong pseudorandom number generator.",
1320 0, /* @tp_traverse@ */
1322 0, /* @tp_richcompare@ */
1323 0, /* @tp_weaklistoffset@ */
1325 0, /* @tp_iternext@ */
1326 bbs_pymethods
, /* @tp_methods@ */
1327 0, /* @tp_members@ */
1328 bbs_pygetset
, /* @tp_getset@ */
1331 0, /* @tp_descr_get@ */
1332 0, /* @tp_descr_set@ */
1333 0, /* @tp_dictoffset@ */
1335 PyType_GenericAlloc
, /* @tp_alloc@ */
1336 bbs_pynew
, /* @tp_new@ */
1341 typedef struct bbspriv_pyobj
{
1346 #define BBSPRIV_BP(o) (&((bbspriv_pyobj *)(o))->bp)
1348 static PyObject
*bbspriv_pynew(PyTypeObject
*ty
,
1349 PyObject
*arg
, PyObject
*kw
)
1351 mp
*p
= 0, *q
= 0, *n
= 0, *x
= MP_TWO
;
1352 bbspriv_pyobj
*rc
= 0;
1353 char *kwlist
[] = { "n", "p", "q", "seed", 0 };
1355 if (!PyArg_ParseTupleAndKeywords(arg
, kw
, "|O&O&O&O&:new", kwlist
,
1356 convmp
, &n
, convmp
, &p
, convmp
, &q
,
1359 if (!n
+ !p
+ !q
> 1) VALERR("must specify at least two of n, p, q");
1360 if (!n
) n
= mp_mul(MP_NEW
, p
, q
);
1361 else if (!p
) mp_div(&p
, 0, n
, q
);
1362 else if (!q
) mp_div(&q
, 0, n
, p
);
1363 rc
= (bbspriv_pyobj
*)ty
->tp_alloc(ty
, 0);
1364 rc
->gr
.r
= bbs_rand(n
, x
);
1365 rc
->gr
.f
= f_freeme
;
1366 rc
->bp
.p
= MP_COPY(p
);
1367 rc
->bp
.q
= MP_COPY(q
);
1368 rc
->bp
.n
= MP_COPY(n
);
1370 mp_drop(p
); mp_drop(q
); mp_drop(n
); mp_drop(x
);
1371 return ((PyObject
*)rc
);
1374 static PyObject
*meth__BBSPriv_generate(PyObject
*me
,
1375 PyObject
*arg
, PyObject
*kw
)
1377 bbs_priv bp
= { 0 };
1379 struct excinfo exc
= EXCINFO_INIT
;
1380 pypgev evt
= { { 0 } };
1381 unsigned nbits
, n
= 0;
1382 grand
*r
= &rand_global
;
1383 char *kwlist
[] = { "class", "nbits", "event", "rng", "nsteps", "seed", 0 };
1384 bbspriv_pyobj
*rc
= 0;
1387 if (!PyArg_ParseTupleAndKeywords(arg
, kw
, "OO&|O&O&O&O&:generate", kwlist
,
1388 &me
, convuint
, &nbits
, convpgev
, &evt
,
1389 convgrand
, &r
, convuint
, &n
, convmp
, &x
))
1391 if (bbs_gen(&bp
, nbits
, r
, n
, evt
.ev
.proc
, evt
.ev
.ctx
))
1393 rc
= PyObject_New(bbspriv_pyobj
, bbspriv_pytype
);
1394 rc
->gr
.r
= bbs_rand(bp
.n
, x
);
1395 rc
->gr
.f
= f_freeme
;
1396 rc
->bp
.p
= MP_COPY(bp
.p
);
1397 rc
->bp
.q
= MP_COPY(bp
.q
);
1398 rc
->bp
.n
= MP_COPY(bp
.n
);
1400 mp_drop(bp
.p
); mp_drop(bp
.q
); mp_drop(bp
.n
); mp_drop(x
);
1401 return ((PyObject
*)rc
);
1404 static void bbspriv_pydealloc(PyObject
*me
)
1406 bbs_priv
*bp
= BBSPRIV_BP(me
);
1410 grand_pydealloc(me
);
1413 static PyObject
*bpmeth_ff(PyObject
*me
, PyObject
*arg
)
1415 mp
*n
= 0; grand
*r
= GRAND_R(me
); bbs_priv
*bp
= BBSPRIV_BP(me
);
1416 if (!PyArg_ParseTuple(arg
, "O&:ff", convmp
, &n
)) return (0);
1417 r
->ops
->misc(r
, BBS_FF
, bp
, n
); RETURN_ME
;
1420 static PyObject
*bpmeth_rew(PyObject
*me
, PyObject
*arg
)
1422 mp
*n
= 0; grand
*r
= GRAND_R(me
); bbs_priv
*bp
= BBSPRIV_BP(me
);
1423 if (!PyArg_ParseTuple(arg
, "O&:rew", convmp
, &n
)) return (0);
1424 r
->ops
->misc(r
, BBS_REW
, bp
, n
); RETURN_ME
;
1427 static PyObject
*bpget_n(PyObject
*me
, void *hunoz
)
1428 { return (mp_pywrap(MP_COPY(BBSPRIV_BP(me
)->n
))); }
1430 static PyObject
*bpget_p(PyObject
*me
, void *hunoz
)
1431 { return (mp_pywrap(MP_COPY(BBSPRIV_BP(me
)->p
))); }
1433 static PyObject
*bpget_q(PyObject
*me
, void *hunoz
)
1434 { return (mp_pywrap(MP_COPY(BBSPRIV_BP(me
)->q
))); }
1436 static PyMethodDef bbspriv_pymethods
[] = {
1437 #define METHNAME(name) bpmeth_##name
1438 METH (ff
, "R.ff(N): fast-forward N places")
1439 METH (rew
, "R.rew(N): rewind N places")
1444 static PyGetSetDef bbspriv_pygetset
[] = {
1445 #define GETSETNAME(op, name) bp##op##_##name
1446 GET (n
, "R.n -> Blum modulus")
1447 GET (p
, "R.p -> one of the factors of the modulus")
1448 GET (q
, "R.q -> one of the factors of the modulus")
1453 static PyTypeObject bbspriv_pytype_skel
= {
1454 PyObject_HEAD_INIT(0) 0, /* Header */
1455 "BBSPriv", /* @tp_name@ */
1456 sizeof(bbspriv_pyobj
), /* @tp_basicsize@ */
1457 0, /* @tp_itemsize@ */
1459 bbspriv_pydealloc
, /* @tp_dealloc@ */
1461 0, /* @tp_getattr@ */
1462 0, /* @tp_setattr@ */
1463 0, /* @tp_compare@ */
1465 0, /* @tp_as_number@ */
1466 0, /* @tp_as_sequence@ */
1467 0, /* @tp_as_mapping@ */
1471 0, /* @tp_getattro@ */
1472 0, /* @tp_setattro@ */
1473 0, /* @tp_as_buffer@ */
1474 Py_TPFLAGS_DEFAULT
| /* @tp_flags@ */
1475 Py_TPFLAGS_BASETYPE
,
1478 "Blum-Blum-Shub strong pseudorandom generator, with private key.",
1480 0, /* @tp_traverse@ */
1482 0, /* @tp_richcompare@ */
1483 0, /* @tp_weaklistoffset@ */
1485 0, /* @tp_iternext@ */
1486 bbspriv_pymethods
, /* @tp_methods@ */
1487 0, /* @tp_members@ */
1488 bbspriv_pygetset
, /* @tp_getset@ */
1491 0, /* @tp_descr_get@ */
1492 0, /* @tp_descr_set@ */
1493 0, /* @tp_dictoffset@ */
1495 PyType_GenericAlloc
, /* @tp_alloc@ */
1496 bbspriv_pynew
, /* @tp_new@ */
1501 /*----- Global stuff ------------------------------------------------------*/
1503 static PyMethodDef methods
[] = {
1504 #define METHNAME(name) meth_##name
1505 KWMETH(_BBSPriv_generate
, "\
1506 generate(NBITS, [event = pgen_nullev], [rng = rand],\n\
1507 [nsteps = 0], [seed = 2]) -> R")
1512 void rand_pyinit(void)
1514 INITTYPE(grand
, root
);
1515 INITTYPE(truerand
, grand
);
1516 INITTYPE(fibrand
, grand
);
1517 INITTYPE(lcrand
, grand
);
1518 INITTYPE(dsarand
, grand
);
1519 INITTYPE(bbs
, grand
);
1520 INITTYPE(bbspriv
, bbs
);
1521 INITTYPE(sslprf
, grand
);
1522 INITTYPE(tlsdx
, grand
);
1523 INITTYPE(tlsprf
, grand
);
1524 INITTYPE(gccrand
, type
);
1525 INITTYPE(gcrand
, grand
);
1526 INITTYPE(gclatinrand
, gcrand
);
1527 rand_noisesrc(RAND_GLOBAL
, &noise_source
);
1528 rand_seed(RAND_GLOBAL
, 160);
1529 addmethods(methods
);
1532 #define gccrand gccrand_info
1533 GEN(gccrands
, crand
)
1535 void rand_pyinsert(PyObject
*mod
)
1537 INSERT("GRand", grand_pytype
);
1538 INSERT("TrueRand", truerand_pytype
);
1539 INSERT("LCRand", lcrand_pytype
);
1540 INSERT("FibRand", fibrand_pytype
);
1541 INSERT("SSLRand", sslprf_pytype
);
1542 INSERT("TLSDataExpansion", tlsdx_pytype
);
1543 INSERT("TLSPRF", tlsprf_pytype
);
1544 INSERT("DSARand", dsarand_pytype
);
1545 INSERT("BlumBlumShub", bbs_pytype
);
1546 INSERT("BBSPriv", bbspriv_pytype
);
1547 INSERT("GCCRand", gccrand_pytype
);
1548 INSERT("GCRand", gcrand_pytype
);
1549 INSERT("GCLatinRand", gclatinrand_pytype
);
1550 rand_pyobj
= grand_pywrap(&rand_global
, 0); Py_INCREF(rand_pyobj
);
1551 gccrands_dict
= gccrands(); Py_INCREF(gccrands_dict
);
1552 INSERT("gccrands", gccrands_dict
);
1553 INSERT("rand", rand_pyobj
);
1556 /*----- That's all, folks -------------------------------------------------*/