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[catacomb-python] / pgen.c
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d7ab1bab 1/* -*-c-*-
d7ab1bab 2 *
3 * Prime number generation
4 *
5 * (c) 2005 Straylight/Edgeware
6 */
7
b2687a0a 8/*----- Licensing notice --------------------------------------------------*
d7ab1bab 9 *
10 * This file is part of the Python interface to Catacomb.
11 *
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.
b2687a0a 16 *
d7ab1bab 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.
b2687a0a 21 *
d7ab1bab 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.
25 */
26
27/*----- Header files ------------------------------------------------------*/
28
29#include "catacomb-python.h"
30
31/*----- Filters -----------------------------------------------------------*/
32
33PyTypeObject *pfilt_pytype;
34
35static PyObject *pfilt_pywrap(pfilt *f)
36{
37 pfilt_pyobj *o = 0;
38 o = PyObject_New(pfilt_pyobj, pfilt_pytype);
39 o->f = *f;
40 o->st = pfilt_step(f, 0);
b2687a0a 41 return ((PyObject *)o);
d7ab1bab 42}
43
44static PyObject *pfilt_pymake(PyTypeObject *ty, PyObject *xobj)
45{
46 mp *x = 0;
47 pfilt_pyobj *o = 0;
48
49 if (PFILT_PYCHECK(xobj)) RETURN_OBJ(xobj);
50 if ((x = getmp(xobj)) == 0) goto end;
51 o = (pfilt_pyobj *)ty->tp_alloc(ty, 0);
52 o->st = pfilt_create(&o->f, x);
53end:
54 mp_drop(x);
55 return ((PyObject *)o);
56}
57
58static PyObject *pfilt_pynew(PyTypeObject *ty, PyObject *arg, PyObject *kw)
59{
60 char *kwlist[] = { "x", 0 };
61 PyObject *xobj;
62
63 if (!PyArg_ParseTupleAndKeywords(arg, kw, "O:new", kwlist, &xobj))
64 return (0);
65 return (pfilt_pymake(ty, xobj));
66}
67
68static void pfilt_pydealloc(PyObject *me)
3aa33042 69 { pfilt_destroy(PFILT_F(me)); FREEOBJ(me); }
d7ab1bab 70
71static PyObject *pfmeth_step(PyObject *me, PyObject *arg)
72{
73 mpw x;
74
75 if (!PyArg_ParseTuple(arg, "O&:step", convmpw, &x)) return (0);
76 PFILT_ST(me) = pfilt_step(PFILT_F(me), x);
77 RETURN_ME;
78}
79
80static PyObject *pfmeth_muladd(PyObject *me, PyObject *arg)
81{
82 mpw m, a;
83 pfilt_pyobj *o = 0;
84
85 if (!PyArg_ParseTuple(arg, "O&O&:muladd", convmpw, &m, convmpw, &a))
86 return (0);
87 o = PyObject_New(pfilt_pyobj, pfilt_pytype);
88 o->st = pfilt_muladd(&o->f, PFILT_F(me), m, a);
89 return ((PyObject *)o);
90}
91
92static CONVFUNC(pfilt, pfilt *, PFILT_F)
93
94static PyObject *pfmeth_jump(PyObject *me, PyObject *arg)
95{
96 pfilt *f;
97
98 if (!PyArg_ParseTuple(arg, "O&:jump", convpfilt, &f)) return (0);
99 PFILT_ST(me) = pfilt_jump(PFILT_F(me), f);
100 RETURN_ME;
101}
102
103static PyObject *meth__PrimeFilter_smallfactor(PyObject *me, PyObject *arg)
104{
105 mp *x = 0;
106 PyObject *rc = 0;
107
108 if (!PyArg_ParseTuple(arg, "OO&:smallfactor", &me, convmp, &x)) goto end;
109 rc = PyInt_FromLong(pfilt_smallfactor(x));
110end:
111 mp_drop(x);
112 return (rc);
113}
114
115static int pfilt_pynonzerop(PyObject *me)
116 { return (PFILT_ST(me) != PGEN_FAIL); }
117
118static PyObject *pfilt_pyint(PyObject *me)
119{
120 long l;
121 PyObject *rc = 0;
122
bc243788
MW		 123 if (!mp_tolong_checked(PFILT_F(me)->m, &l, 0)) rc = PyInt_FromLong(l);
124 else rc = mp_topylong(PFILT_F(me)->m);
d7ab1bab 125 return (rc);
126}
127
128static PyObject *pfilt_pylong(PyObject *me)
f368b46e 129 { return (mp_topylong(PFILT_F(me)->m)); }
d7ab1bab 130
131static PyObject *pfget_x(PyObject *me, void *hunoz)
132 { return (mp_pywrap(MP_COPY(PFILT_F(me)->m))); }
133
134static PyObject *pfget_status(PyObject *me, void *hunoz)
135 { return (PyInt_FromLong(PFILT_ST(me))); }
136
137static PyGetSetDef pfilt_pygetset[] = {
138#define GETSETNAME(op, name) pf##op##_##name
139 GET (x, "F.x -> current position of filter")
140 GET (status, "F.status -> primality status of filter")
141#undef GETSETNAME
142 { 0 }
143};
144
145static PyMethodDef pfilt_pymethods[] = {
146#define METHNAME(name) pfmeth_##name
147 METH (step, "F.step(N)")
148 METH (muladd, "F.muladd(M, A)")
149 METH (jump, "F.jump(FF)")
150#undef METHNAME
151 { 0 }
152};
153
154static PyNumberMethods pfilt_pynumber = {
155 0, /* @nb_add@ */
156 0, /* @nb_subtract@ */
157 0, /* @nb_multiply@ */
158 0, /* @nb_divide@ */
159 0, /* @nb_remainder@ */
160 0, /* @nb_divmod@ */
161 0, /* @nb_power@ */
162 0, /* @nb_negative@ */
163 0, /* @nb_positive@ */
164 0, /* @nb_absolute@ */
165 pfilt_pynonzerop, /* @nb_nonzero@ */
166 0, /* @nb_invert@ */
167 0, /* @nb_lshift@ */
168 0, /* @nb_rshift@ */
169 0, /* @nb_and@ */
170 0, /* @nb_xor@ */
171 0, /* @nb_or@ */
172 0, /* @nb_coerce@ */
173 pfilt_pyint, /* @nb_int@ */
174 pfilt_pylong, /* @nb_long@ */
175 0, /* @nb_float@ */
176 0, /* @nb_oct@ */
177 0, /* @nb_hex@ */
178
179 0, /* @nb_inplace_add@ */
180 0, /* @nb_inplace_subtract@ */
181 0, /* @nb_inplace_multiply@ */
182 0, /* @nb_inplace_divide@ */
183 0, /* @nb_inplace_remainder@ */
184 0, /* @nb_inplace_power@ */
185 0, /* @nb_inplace_lshift@ */
186 0, /* @nb_inplace_rshift@ */
187 0, /* @nb_inplace_and@ */
188 0, /* @nb_inplace_xor@ */
189 0, /* @nb_inplace_or@ */
190
191 0, /* @nb_floor_divide@ */
192 0, /* @nb_true_divide@ */
193 0, /* @nb_inplace_floor_divide@ */
194 0, /* @nb_inplace_true_divide@ */
195};
196
197static PyTypeObject pfilt_pytype_skel = {
6d4db0bf 198 PyObject_HEAD_INIT(0) 0, /* Header */
c461c9b3 199 "PrimeFilter", /* @tp_name@ */
d7ab1bab 200 sizeof(pfilt_pyobj), /* @tp_basicsize@ */
201 0, /* @tp_itemsize@ */
202
203 pfilt_pydealloc, /* @tp_dealloc@ */
204 0, /* @tp_print@ */
205 0, /* @tp_getattr@ */
206 0, /* @tp_setattr@ */
207 0, /* @tp_compare@ */
208 0, /* @tp_repr@ */
209 &pfilt_pynumber, /* @tp_as_number@ */
210 0, /* @tp_as_sequence@ */
211 0, /* @tp_as_mapping@ */
212 0, /* @tp_hash@ */
213 0, /* @tp_call@ */
214 0, /* @tp_str@ */
215 0, /* @tp_getattro@ */
216 0, /* @tp_setattro@ */
217 0, /* @tp_as_buffer@ */
218 Py_TPFLAGS_DEFAULT | /* @tp_flags@ */
219 Py_TPFLAGS_BASETYPE,
220
221 /* @tp_doc@ */
222"Small-primes filter.",
223
224 0, /* @tp_traverse@ */
225 0, /* @tp_clear@ */
226 0, /* @tp_richcompare@ */
227 0, /* @tp_weaklistoffset@ */
228 0, /* @tp_iter@ */
963a6148 229 0, /* @tp_iternext@ */
d7ab1bab 230 pfilt_pymethods, /* @tp_methods@ */
231 0, /* @tp_members@ */
232 pfilt_pygetset, /* @tp_getset@ */
233 0, /* @tp_base@ */
234 0, /* @tp_dict@ */
235 0, /* @tp_descr_get@ */
236 0, /* @tp_descr_set@ */
237 0, /* @tp_dictoffset@ */
238 0, /* @tp_init@ */
239 PyType_GenericAlloc, /* @tp_alloc@ */
240 pfilt_pynew, /* @tp_new@ */
3aa33042 241 0, /* @tp_free@ */
d7ab1bab 242 0 /* @tp_is_gc@ */
243};
244
245/*----- Rabin-Miller testing ----------------------------------------------*/
246
247typedef struct rabin_pyobj {
248 PyObject_HEAD
249 rabin r;
250} rabin_pyobj;
251
252static PyTypeObject *rabin_pytype;
253#define RABIN_R(o) (&((rabin_pyobj *)(o))->r)
254
255static PyObject *rabin_pynew(PyTypeObject *ty, PyObject *arg, PyObject *kw)
256{
257 mp *x = 0;
258 rabin_pyobj *o = 0;
259 char *kwlist[] = { "x", 0 };
260
261 if (!PyArg_ParseTupleAndKeywords(arg, kw, "O&:new", kwlist, convmp, &x))
262 goto end;
263 if (!MP_POSP(x) || MP_EVENP(x)) VALERR("must be positive and odd");
264 o = (rabin_pyobj *)ty->tp_alloc(ty, 0);
265 rabin_create(&o->r, x);
266end:
267 return ((PyObject *)o);
268}
269
270static void rabin_pydealloc(PyObject *me)
271{
272 rabin_destroy(RABIN_R(me));
3aa33042 273 FREEOBJ(me);
d7ab1bab 274}
275
276static PyObject *rmeth_test(PyObject *me, PyObject *arg)
277{
278 mp *w = 0;
279 PyObject *rc = 0;
280
281 if (!PyArg_ParseTuple(arg, "O&:test", convmp, &w)) goto end;
282 rc = PyInt_FromLong(rabin_test(RABIN_R(me), w));
283end:
284 mp_drop(w);
285 return (rc);
286}
287
288static PyObject *rmeth_rtest(PyObject *me, PyObject *arg)
289{
290 mp *w = 0;
291 PyObject *rc = 0;
292
293 if (!PyArg_ParseTuple(arg, "O&:rtest", convmp, &w)) goto end;
294 rc = PyInt_FromLong(rabin_rtest(RABIN_R(me), w));
295end:
296 mp_drop(w);
297 return (rc);
298}
299
300static PyObject *rget_niters(PyObject *me, void *hunoz)
301 { return (PyInt_FromLong(rabin_iters(mp_bits(RABIN_R(me)->mm.m)))); }
302
303static PyObject *rget_x(PyObject *me, void *hunoz)
304 { return (mp_pywrap(MP_COPY(RABIN_R(me)->mm.m))); }
305
306static PyObject *meth__RabinMiller_iters(PyObject *me, PyObject *arg)
307{
308 unsigned n;
309
310 if (!PyArg_ParseTuple(arg, "OO&:iters", &me, convuint, &n)) return (0);
311 return (PyInt_FromLong(rabin_iters(n)));
312}
313
314static PyGetSetDef rabin_pygetset[] = {
315#define GETSETNAME(op, name) r##op##_##name
316 GET (x, "R.x -> number under test")
317 GET (niters, "R.niters -> suggested number of tests")
318#undef GETSETNAME
319 { 0 }
320};
321
322static PyMethodDef rabin_pymethods[] = {
323#define METHNAME(name) rmeth_##name
324 METH (test, "R.test(W) -> PGST")
325 METH (rtest, "R.rtest(W) -> PGST")
326#undef METHNAME
327 { 0 }
328};
329
330static PyTypeObject rabin_pytype_skel = {
6d4db0bf 331 PyObject_HEAD_INIT(0) 0, /* Header */
c461c9b3 332 "RabinMiller", /* @tp_name@ */
d7ab1bab 333 sizeof(rabin_pyobj), /* @tp_basicsize@ */
334 0, /* @tp_itemsize@ */
335
336 rabin_pydealloc, /* @tp_dealloc@ */
337 0, /* @tp_print@ */
338 0, /* @tp_getattr@ */
339 0, /* @tp_setattr@ */
340 0, /* @tp_compare@ */
341 0, /* @tp_repr@ */
342 0, /* @tp_as_number@ */
343 0, /* @tp_as_sequence@ */
344 0, /* @tp_as_mapping@ */
345 0, /* @tp_hash@ */
346 0, /* @tp_call@ */
347 0, /* @tp_str@ */
348 0, /* @tp_getattro@ */
349 0, /* @tp_setattro@ */
350 0, /* @tp_as_buffer@ */
351 Py_TPFLAGS_DEFAULT | /* @tp_flags@ */
352 Py_TPFLAGS_BASETYPE,
353
354 /* @tp_doc@ */
355"Rabin-Miller strong primality test.",
356
357 0, /* @tp_traverse@ */
358 0, /* @tp_clear@ */
359 0, /* @tp_richcompare@ */
360 0, /* @tp_weaklistoffset@ */
361 0, /* @tp_iter@ */
963a6148 362 0, /* @tp_iternext@ */
d7ab1bab 363 rabin_pymethods, /* @tp_methods@ */
364 0, /* @tp_members@ */
365 rabin_pygetset, /* @tp_getset@ */
366 0, /* @tp_base@ */
367 0, /* @tp_dict@ */
368 0, /* @tp_descr_get@ */
369 0, /* @tp_descr_set@ */
370 0, /* @tp_dictoffset@ */
371 0, /* @tp_init@ */
372 PyType_GenericAlloc, /* @tp_alloc@ */
373 rabin_pynew, /* @tp_new@ */
3aa33042 374 0, /* @tp_free@ */
d7ab1bab 375 0 /* @tp_is_gc@ */
376};
377
378/*----- Events ------------------------------------------------------------*/
379
380typedef struct pgevent_pyobj {
381 PyObject_HEAD
382 pgen_event *ev;
383} pgevent_pyobj;
384
385static PyTypeObject *pgevent_pytype;
386#define PGEVENT_EV(o) (((pgevent_pyobj *)(o))->ev)
387
388static PyObject *pgevent_pywrap(pgen_event *ev)
389{
390 pgevent_pyobj *o = PyObject_New(pgevent_pyobj, pgevent_pytype);
391 o->ev = ev;
392 return ((PyObject *)o);
393}
394
395static CONVFUNC(pgevent, pgen_event *, PGEVENT_EV)
396
397static void pgevent_kill(PyObject *me) { PGEVENT_EV(me) = 0; }
3aa33042 398static void pgevent_pydealloc(PyObject *me) { FREEOBJ(me); }
d7ab1bab 399
400#define PGEVENT_CHECK(me) do { \
401 if (!PGEVENT_EV(me)) { \
402 PyErr_SetString(PyExc_ValueError, "event object is dead"); \
403 return (0); \
404 } \
405} while (0)
406
407static PyObject *peget_name(PyObject *me, void *hunoz)
408 { PGEVENT_CHECK(me); return (PyString_FromString(PGEVENT_EV(me)->name)); }
409
410static PyObject *peget_x(PyObject *me, void *hunoz)
411 { PGEVENT_CHECK(me); return (mp_pywrap(MP_COPY(PGEVENT_EV(me)->m))); }
412
413static PyObject *peget_steps(PyObject *me, void *hunoz)
414 { PGEVENT_CHECK(me); return (PyInt_FromLong(PGEVENT_EV(me)->steps)); }
415
416static PyObject *peget_tests(PyObject *me, void *hunoz)
417 { PGEVENT_CHECK(me); return (PyInt_FromLong(PGEVENT_EV(me)->tests)); }
418
419static PyObject *peget_rng(PyObject *me, void *hunoz)
420 { PGEVENT_CHECK(me); return (grand_pywrap(PGEVENT_EV(me)->r, 0)); }
421
422static int peset_x(PyObject *me, PyObject *xobj, void *hunoz)
423{
424 mp *x = 0;
425 pgen_event *ev = PGEVENT_EV(me);
426 int rc = -1;
427 PGEVENT_CHECK(me);
428 if ((x = getmp(xobj)) == 0) goto end;
429 mp_drop(ev->m);
430 ev->m = MP_COPY(x);
431 rc = 0;
432end:
433 mp_drop(x);
434 return (rc);
435}
436
437static PyGetSetDef pgevent_pygetset[] = {
438#define GETSETNAME(op, name) pe##op##_##name
439 GET (name, "EV.name -> value being generated")
440 GETSET(x, "EV.x -> value under test")
441 GET (steps, "EV.steps -> number of steps left")
442 GET (tests, "EV.tests -> tests before passing")
443 GET (rng, "EV.rng -> (noncrypto) random number generator")
444#undef GETSETNAME
445 { 0 }
446};
447
448static PyTypeObject pgevent_pytype_skel = {
6d4db0bf 449 PyObject_HEAD_INIT(0) 0, /* Header */
c461c9b3 450 "PrimeGenEvent", /* @tp_name@ */
d7ab1bab 451 sizeof(pgevent_pyobj), /* @tp_basicsize@ */
452 0, /* @tp_itemsize@ */
453
454 pgevent_pydealloc, /* @tp_dealloc@ */
455 0, /* @tp_print@ */
456 0, /* @tp_getattr@ */
457 0, /* @tp_setattr@ */
458 0, /* @tp_compare@ */
459 0, /* @tp_repr@ */
460 0, /* @tp_as_number@ */
461 0, /* @tp_as_sequence@ */
462 0, /* @tp_as_mapping@ */
463 0, /* @tp_hash@ */
464 0, /* @tp_call@ */
465 0, /* @tp_str@ */
466 0, /* @tp_getattro@ */
467 0, /* @tp_setattro@ */
468 0, /* @tp_as_buffer@ */
469 Py_TPFLAGS_DEFAULT | /* @tp_flags@ */
470 Py_TPFLAGS_BASETYPE,
471
472 /* @tp_doc@ */
473"Prime-generation event.",
474
475 0, /* @tp_traverse@ */
476 0, /* @tp_clear@ */
477 0, /* @tp_richcompare@ */
478 0, /* @tp_weaklistoffset@ */
479 0, /* @tp_iter@ */
963a6148 480 0, /* @tp_iternext@ */
d7ab1bab 481 0, /* @tp_methods@ */
482 0, /* @tp_members@ */
483 pgevent_pygetset, /* @tp_getset@ */
484 0, /* @tp_base@ */
485 0, /* @tp_dict@ */
486 0, /* @tp_descr_get@ */
487 0, /* @tp_descr_set@ */
488 0, /* @tp_dictoffset@ */
489 0, /* @tp_init@ */
490 PyType_GenericAlloc, /* @tp_alloc@ */
491 abstract_pynew, /* @tp_new@ */
3aa33042 492 0, /* @tp_free@ */
d7ab1bab 493 0 /* @tp_is_gc@ */
494};
495
496/*----- Event handlers ----------------------------------------------------*/
497
498PyTypeObject *pgev_pytype;
499
500typedef struct pgstep_pyobj {
501 PGEV_HEAD
502 pgen_filterctx f;
503} pgstep_pyobj;
504
505static PyTypeObject *pgstep_pytype;
506#define PGSTEP_STEP(o) (((pgstep_pyobj *)(o))->f.step)
507
508typedef struct pgjump_pyobj {
509 PGEV_HEAD
510 PyObject *fobj;
511 pgen_jumpctx j;
512} pgjump_pyobj;
513
514static PyTypeObject *pgjump_pytype;
515#define PGJUMP_FOBJ(o) (((pgjump_pyobj *)(o))->fobj)
516#define PGJUMP_J(o) (&((pgjump_pyobj *)(o))->j)
517
518typedef struct pgtest_pyobj {
519 PGEV_HEAD
520 rabin r;
521} pgtest_pyobj;
522
523static PyTypeObject *pgtest_pytype;
524
525static int pgev_python(int rq, pgen_event *ev, void *p)
526{
527 PyObject *py = p;
528 PyObject *pyev = 0;
529 PyObject *rc = 0;
530 int st = PGEN_ABORT;
531 long l;
532 char *meth[] = {
533 "pg_abort", "pg_done", "pg_begin", "pg_try", "pg_fail", "pg_pass"
534 };
535
536 Py_INCREF(py);
537 rq++;
538 if (rq > N(meth)) SYSERR("event code out of range");
539 pyev = pgevent_pywrap(ev);
540 if ((rc = PyObject_CallMethod(py, meth[rq], "(O)", pyev)) == 0)
541 goto end;
542 if (rc == Py_None)
543 st = PGEN_TRY;
544 else if ((l = PyInt_AsLong(rc)) == -1 && PyErr_Occurred())
545 goto end;
546 else if (l < PGEN_ABORT || l > PGEN_PASS)
547 VALERR("return code out of range");
b2687a0a 548 else
d7ab1bab 549 st = l;
550end:
551 if (pyev) {
552 pgevent_kill(pyev);
553 Py_DECREF(pyev);
554 }
555 Py_XDECREF(rc);
556 Py_DECREF(py);
557 return (st);
558}
559
560static PyObject *pgev_pywrap(const pgev *pg)
561{
562 pgev_pyobj *o;
563
564 o = PyObject_New(pgev_pyobj, pgev_pytype);
565 o->pg = *pg;
566 return ((PyObject *)o);
567}
568
569int convpgev(PyObject *o, void *p)
570{
571 pgev *pg = p;
572
573 if (PGEV_PYCHECK(o))
574 *pg = *PGEV_PG(o);
575 else {
576 pg->proc = pgev_python;
577 pg->ctx = o;
578 Py_INCREF(o);
579 }
580 return (1);
581}
582
583void droppgev(pgev *p)
584{
585 if (p->proc == pgev_python) {
586 PyObject *py = p->ctx;
587 Py_DECREF(py);
588 }
589}
590
591static PyObject *pgmeth_common(PyObject *me, PyObject *arg, int rq)
592{
593 pgen_event *ev;
594 pgev *pg = PGEV_PG(me);
595 PyObject *rc = 0;
596
597 if (!PyArg_ParseTuple(arg, "O&", convpgevent, &ev)) goto end;
598 rc = PyInt_FromLong(!pg->proc ? rq : pg->proc(rq, ev, pg->ctx));
599end:
600 return (rc);
601}
602
603#define PGMETH(lc, uc) \
604 static PyObject *pgmeth_pg_##lc(PyObject *me, PyObject *arg) \
605 { return pgmeth_common(me, arg, PGEN_##uc); }
606PGMETH(abort, ABORT)
607PGMETH(done, DONE)
608PGMETH(begin, BEGIN)
609PGMETH(try, TRY)
610PGMETH(pass, PASS)
611PGMETH(fail, FAIL)
612#undef PGMETH
613
614static PyObject *pgev_stdev(pgen_proc *proc)
615 { pgev pg; pg.proc = proc; pg.ctx = 0; return (pgev_pywrap(&pg)); }
616
617static PyMethodDef pgev_pymethods[] = {
618#define METHNAME(name) pgmeth_##name
619 METH (pg_abort, "E.pg_abort() -> PGRC -- prime generation aborted")
620 METH (pg_done, "E.pg_done() -> PGRC -- prime generation finished")
621 METH (pg_begin, "E.pg_begin() -> PGRC -- commence stepping/testing")
622 METH (pg_try, "E.pg_try() -> PGRC -- found new candidate")
623 METH (pg_pass, "E.pg_pass() -> PGRC -- passed primality test")
624 METH (pg_fail, "E.pg_fail() -> PGRC -- failed primality test")
625#undef METHNAME
626 { 0 }
627};
628
629static PyTypeObject pgev_pytype_skel = {
6d4db0bf 630 PyObject_HEAD_INIT(0) 0, /* Header */
c461c9b3 631 "PrimeGenBuiltinHandler", /* @tp_name@ */
d7ab1bab 632 sizeof(pgev_pyobj), /* @tp_basicsize@ */
633 0, /* @tp_itemsize@ */
634
3aa33042 635 0, /* @tp_dealloc@ */
d7ab1bab 636 0, /* @tp_print@ */
637 0, /* @tp_getattr@ */
638 0, /* @tp_setattr@ */
639 0, /* @tp_compare@ */
640 0, /* @tp_repr@ */
641 0, /* @tp_as_number@ */
642 0, /* @tp_as_sequence@ */
643 0, /* @tp_as_mapping@ */
644 0, /* @tp_hash@ */
645 0, /* @tp_call@ */
646 0, /* @tp_str@ */
647 0, /* @tp_getattro@ */
648 0, /* @tp_setattro@ */
649 0, /* @tp_as_buffer@ */
650 Py_TPFLAGS_DEFAULT | /* @tp_flags@ */
651 Py_TPFLAGS_BASETYPE,
652
653 /* @tp_doc@ */
654"Built-in prime-generation event handler, base class.",
655
656 0, /* @tp_traverse@ */
657 0, /* @tp_clear@ */
658 0, /* @tp_richcompare@ */
659 0, /* @tp_weaklistoffset@ */
660 0, /* @tp_iter@ */
963a6148 661 0, /* @tp_iternext@ */
d7ab1bab 662 pgev_pymethods, /* @tp_methods@ */
663 0, /* @tp_members@ */
664 0, /* @tp_getset@ */
665 0, /* @tp_base@ */
666 0, /* @tp_dict@ */
667 0, /* @tp_descr_get@ */
668 0, /* @tp_descr_set@ */
669 0, /* @tp_dictoffset@ */
670 0, /* @tp_init@ */
671 PyType_GenericAlloc, /* @tp_alloc@ */
672 abstract_pynew, /* @tp_new@ */
3aa33042 673 0, /* @tp_free@ */
d7ab1bab 674 0 /* @tp_is_gc@ */
675};
676
677static PyObject *pgstep_pynew(PyTypeObject *ty, PyObject *arg, PyObject *kw)
678{
679 mpw s;
680 pgstep_pyobj *rc = 0;
681 char *kwlist[] = { "step", 0 };
682
683 if (!PyArg_ParseTupleAndKeywords(arg, kw, "O&:new", kwlist, convmpw, &s))
684 goto end;
685 rc = (pgstep_pyobj *)ty->tp_alloc(ty, 0);
686 rc->f.step = s;
687 rc->pg.proc = pgen_filter;
688 rc->pg.ctx = &rc->f;
689end:
690 return ((PyObject *)rc);
691}
692
693static PyObject *psget_step(PyObject *me, void *hunoz)
694 { return (PyInt_FromLong(PGSTEP_STEP(me))); }
695
696static PyGetSetDef pgstep_pygetset[] = {
697#define GETSETNAME(op, name) ps##op##_##name
b2687a0a 698 GET (step, "S.step -> step size for the stepper")
d7ab1bab 699#undef GETSETNAME
700 { 0 }
701};
702
703static PyTypeObject pgstep_pytype_skel = {
6d4db0bf 704 PyObject_HEAD_INIT(0) 0, /* Header */
c461c9b3 705 "PrimeGenStepper", /* @tp_name@ */
d7ab1bab 706 sizeof(pgstep_pyobj), /* @tp_basicsize@ */
707 0, /* @tp_itemsize@ */
708
709 0, /* @tp_dealloc@ */
710 0, /* @tp_print@ */
711 0, /* @tp_getattr@ */
712 0, /* @tp_setattr@ */
713 0, /* @tp_compare@ */
714 0, /* @tp_repr@ */
715 0, /* @tp_as_number@ */
716 0, /* @tp_as_sequence@ */
717 0, /* @tp_as_mapping@ */
718 0, /* @tp_hash@ */
719 0, /* @tp_call@ */
720 0, /* @tp_str@ */
721 0, /* @tp_getattro@ */
722 0, /* @tp_setattro@ */
723 0, /* @tp_as_buffer@ */
724 Py_TPFLAGS_DEFAULT | /* @tp_flags@ */
725 Py_TPFLAGS_BASETYPE,
726
727 /* @tp_doc@ */
728 "Simple prime-number stepper with small-factors filter.",
729
730 0, /* @tp_traverse@ */
731 0, /* @tp_clear@ */
732 0, /* @tp_richcompare@ */
733 0, /* @tp_weaklistoffset@ */
734 0, /* @tp_iter@ */
963a6148 735 0, /* @tp_iternext@ */
d7ab1bab 736 0, /* @tp_methods@ */
737 0, /* @tp_members@ */
738 pgstep_pygetset, /* @tp_getset@ */
739 0, /* @tp_base@ */
740 0, /* @tp_dict@ */
741 0, /* @tp_descr_get@ */
742 0, /* @tp_descr_set@ */
743 0, /* @tp_dictoffset@ */
744 0, /* @tp_init@ */
745 PyType_GenericAlloc, /* @tp_alloc@ */
746 pgstep_pynew, /* @tp_new@ */
3aa33042 747 0, /* @tp_free@ */
d7ab1bab 748 0 /* @tp_is_gc@ */
749};
750
751static PyObject *pgjump_pynew(PyTypeObject *ty, PyObject *arg, PyObject *kw)
752{
753 PyObject *o, *fobj;
754 pgjump_pyobj *rc = 0;
755 char *kwlist[] = { "jump", 0 };
756
757 if (!PyArg_ParseTupleAndKeywords(arg, kw, "O:new", kwlist, &o) ||
758 (fobj = pfilt_pymake(pfilt_pytype, o)) == 0)
759 goto end;
760 rc = (pgjump_pyobj *)ty->tp_alloc(ty, 0);
761 rc->fobj = fobj;
762 rc->j.j = PFILT_F(fobj);
763 rc->pg.proc = pgen_jump;
764 rc->pg.ctx = &rc->j;
765end:
766 return ((PyObject *)rc);
767}
768
769static void pgjump_pydealloc(PyObject *me)
770{
771 Py_DECREF(PGJUMP_FOBJ(me));
3aa33042 772 FREEOBJ(me);
d7ab1bab 773}
774
775static PyObject *pjget_jump(PyObject *me, void *hunoz)
776 { RETURN_OBJ(PGJUMP_FOBJ(me)); }
777
778static PyGetSetDef pgjump_pygetset[] = {
779#define GETSETNAME(op, name) pj##op##_##name
b2687a0a 780 GET (jump, "S.jump -> jump size for the stepper")
d7ab1bab 781#undef GETSETNAME
782 { 0 }
783};
784
785static PyTypeObject pgjump_pytype_skel = {
6d4db0bf 786 PyObject_HEAD_INIT(0) 0, /* Header */
c461c9b3 787 "PrimeGenJumper", /* @tp_name@ */
d7ab1bab 788 sizeof(pgjump_pyobj), /* @tp_basicsize@ */
789 0, /* @tp_itemsize@ */
790
791 pgjump_pydealloc, /* @tp_dealloc@ */
792 0, /* @tp_print@ */
793 0, /* @tp_getattr@ */
794 0, /* @tp_setattr@ */
795 0, /* @tp_compare@ */
796 0, /* @tp_repr@ */
797 0, /* @tp_as_number@ */
798 0, /* @tp_as_sequence@ */
799 0, /* @tp_as_mapping@ */
800 0, /* @tp_hash@ */
801 0, /* @tp_call@ */
802 0, /* @tp_str@ */
803 0, /* @tp_getattro@ */
804 0, /* @tp_setattro@ */
805 0, /* @tp_as_buffer@ */
806 Py_TPFLAGS_DEFAULT | /* @tp_flags@ */
807 Py_TPFLAGS_BASETYPE,
808
809 /* @tp_doc@ */
810"Stepper for larger steps, with small-factors filter.",
811
812 0, /* @tp_traverse@ */
813 0, /* @tp_clear@ */
814 0, /* @tp_richcompare@ */
815 0, /* @tp_weaklistoffset@ */
816 0, /* @tp_iter@ */
963a6148 817 0, /* @tp_iternext@ */
d7ab1bab 818 0, /* @tp_methods@ */
819 0, /* @tp_members@ */
820 pgjump_pygetset, /* @tp_getset@ */
821 0, /* @tp_base@ */
822 0, /* @tp_dict@ */
823 0, /* @tp_descr_get@ */
824 0, /* @tp_descr_set@ */
825 0, /* @tp_dictoffset@ */
826 0, /* @tp_init@ */
827 PyType_GenericAlloc, /* @tp_alloc@ */
828 pgjump_pynew, /* @tp_new@ */
3aa33042 829 0, /* @tp_free@ */
d7ab1bab 830 0 /* @tp_is_gc@ */
831};
832
833static PyObject *pgtest_pynew(PyTypeObject *ty, PyObject *arg, PyObject *kw)
834{
835 pgtest_pyobj *rc = 0;
836 char *kwlist[] = { 0 };
837
838 if (!PyArg_ParseTupleAndKeywords(arg, kw, ":new", kwlist)) goto end;
839 rc = (pgtest_pyobj *)ty->tp_alloc(ty, 0);
840 rc->pg.proc = pgen_test;
841 rc->pg.ctx = &rc->r;
842end:
843 return ((PyObject *)rc);
844}
845
846static PyTypeObject pgtest_pytype_skel = {
6d4db0bf 847 PyObject_HEAD_INIT(0) 0, /* Header */
c461c9b3 848 "PrimeGenTester", /* @tp_name@ */
d7ab1bab 849 sizeof(pgtest_pyobj), /* @tp_basicsize@ */
850 0, /* @tp_itemsize@ */
851
852 0, /* @tp_dealloc@ */
853 0, /* @tp_print@ */
854 0, /* @tp_getattr@ */
855 0, /* @tp_setattr@ */
856 0, /* @tp_compare@ */
857 0, /* @tp_repr@ */
858 0, /* @tp_as_number@ */
859 0, /* @tp_as_sequence@ */
860 0, /* @tp_as_mapping@ */
861 0, /* @tp_hash@ */
862 0, /* @tp_call@ */
863 0, /* @tp_str@ */
864 0, /* @tp_getattro@ */
865 0, /* @tp_setattro@ */
866 0, /* @tp_as_buffer@ */
867 Py_TPFLAGS_DEFAULT | /* @tp_flags@ */
868 Py_TPFLAGS_BASETYPE,
869
870 /* @tp_doc@ */
871"Rabin-Miller tester.",
872
873 0, /* @tp_traverse@ */
874 0, /* @tp_clear@ */
875 0, /* @tp_richcompare@ */
876 0, /* @tp_weaklistoffset@ */
877 0, /* @tp_iter@ */
963a6148 878 0, /* @tp_iternext@ */
d7ab1bab 879 0, /* @tp_methods@ */
880 0, /* @tp_members@ */
881 0, /* @tp_getset@ */
882 0, /* @tp_base@ */
883 0, /* @tp_dict@ */
884 0, /* @tp_descr_get@ */
885 0, /* @tp_descr_set@ */
886 0, /* @tp_dictoffset@ */
887 0, /* @tp_init@ */
888 PyType_GenericAlloc, /* @tp_alloc@ */
889 pgtest_pynew, /* @tp_new@ */
3aa33042 890 0, /* @tp_free@ */
d7ab1bab 891 0 /* @tp_is_gc@ */
892};
893
894/*----- Prime generation functions ----------------------------------------*/
895
896void pgenerr(void)
897{
898 if (!PyErr_Occurred())
899 PyErr_SetString(PyExc_ValueError, "prime generation failed");
900}
901
902static PyObject *meth_pgen(PyObject *me, PyObject *arg, PyObject *kw)
903{
904 mp *x = 0;
905 mp *r = 0;
906 PyObject *rc = 0;
907 char *p = "p";
908 pgen_filterctx fc = { 2 };
909 rabin tc;
910 pgev step = { 0 }, test = { 0 }, evt = { 0 };
911 unsigned nsteps = 0, ntests = 0;
912 char *kwlist[] = { "start", "name", "stepper", "tester", "event",
913 "nsteps", "ntests", 0 };
914
915 step.proc = pgen_filter; step.ctx = &fc;
916 test.proc = pgen_test; test.ctx = &tc;
917 if (!PyArg_ParseTupleAndKeywords(arg, kw, "O&|sO&O&O&O&O&:pgen", kwlist,
918 convmp, &x, &p, convpgev, &step,
919 convpgev, &test, convpgev, &evt,
920 convuint, &nsteps, convuint, &ntests))
921 goto end;
922 if (!ntests) ntests = rabin_iters(mp_bits(x));
923 if ((r = pgen(p, MP_NEW, x, evt.proc, evt.ctx,
924 nsteps, step.proc, step.ctx,
925 ntests, test.proc, test.ctx)) == 0)
926 PGENERR;
927 if (PyErr_Occurred()) goto end;
928 rc = mp_pywrap(r);
929 r = 0;
930end:
931 mp_drop(r); mp_drop(x);
932 droppgev(&step); droppgev(&test); droppgev(&evt);
b2687a0a 933 return (rc);
d7ab1bab 934}
935
936static PyObject *meth_strongprime_setup(PyObject *me,
937 PyObject *arg, PyObject *kw)
938{
939 mp *x = 0;
940 pfilt f;
941 grand *r = &rand_global;
942 unsigned nbits;
943 char *name = "p";
944 unsigned n = 0;
945 pgev evt = { 0 };
946 PyObject *rc = 0;
947 char *kwlist[] = { "nbits", "name", "event", "rng", "nsteps", 0 };
948
949 if (!PyArg_ParseTupleAndKeywords(arg, kw, "O&|sO&O&O&", kwlist,
950 convuint, &nbits, &name,
951 convpgev, &evt, convgrand, &r,
952 convuint, &n))
953 goto end;
954 if ((x = strongprime_setup(name, MP_NEW, &f, nbits,
955 r, n, evt.proc, evt.ctx)) == 0)
956 PGENERR;
957 rc = Py_BuildValue("(NN)", mp_pywrap(x), pfilt_pywrap(&f));
958 x = 0;
959end:
960 mp_drop(x);
961 droppgev(&evt);
962 return (rc);
963}
964
965static PyObject *meth_strongprime(PyObject *me, PyObject *arg, PyObject *kw)
966{
967 mp *x = 0;
968 grand *r = &rand_global;
969 unsigned nbits;
970 char *name = "p";
971 unsigned n = 0;
972 pgev evt = { 0 };
973 PyObject *rc = 0;
974 char *kwlist[] = { "nbits", "name", "event", "rng", "nsteps", 0 };
975
976 if (!PyArg_ParseTupleAndKeywords(arg, kw, "O&|sO&O&O&", kwlist,
977 convuint, &nbits, &name,
978 convpgev, &evt, convgrand, &r,
979 convuint, &n))
980 goto end;
981 if ((x = strongprime(name, MP_NEW, nbits,
982 r, n, evt.proc, evt.ctx)) == 0)
983 PGENERR;
984 rc = mp_pywrap(x);
985 x = 0;
986end:
987 mp_drop(x);
988 droppgev(&evt);
989 return (rc);
990}
991
992static PyObject *meth_limlee(PyObject *me, PyObject *arg, PyObject *kw)
993{
994 char *p = "p";
995 pgev ie = { 0 }, oe = { 0 };
996 unsigned ql, pl;
997 grand *r = &rand_global;
998 unsigned on = 0;
999 size_t i, nf = 0;
1000 PyObject *rc = 0, *vec;
1001 char *kwlist[] = { "pbits", "qbits", "name", "event", "ievent",
1002 "rng", "nsteps", 0 };
1003 mp *x = 0, **v = 0;
1004
1005 if (!PyArg_ParseTupleAndKeywords(arg, kw, "O&O&|sO&O&O&O&:limlee", kwlist,
1006 convuint, &pl, convuint, &ql,
1007 &p, convpgev, &oe, convpgev, &ie,
1008 convgrand, &r, convuint, &on))
1009 goto end;
1010 if ((x = limlee(p, MP_NEW, MP_NEW, ql, pl, r, on,
1011 oe.proc, oe.ctx, ie.proc, ie.ctx, &nf, &v)) == 0)
1012 PGENERR;
1013 vec = PyList_New(nf);
1014 for (i = 0; i < nf; i++)
1015 PyList_SetItem(vec, i, mp_pywrap(v[i]));
1016 xfree(v);
1017 rc = Py_BuildValue("(NN)", mp_pywrap(x), vec);
1018end:
1019 droppgev(&oe); droppgev(&ie);
1020 return (rc);
1021}
1022
1023/*----- Global stuff ------------------------------------------------------*/
1024
1025static PyMethodDef methods[] = {
1026#define METHNAME(name) meth_##name
1027 METH (_PrimeFilter_smallfactor, "smallfactor(X) -> PGRC")
1028 METH (_RabinMiller_iters, "iters(NBITS) -> NITERS")
1029 KWMETH(pgen, "\
1030pgen(START, [name = 'p', stepper = PrimeGenStepper(2),\n\
1031 tester = PrimeGenTester(), event = pgen_nullev,\n\
1032 nsteps = 0, ntests = RabinMiller.iters(START.nbits)]) -> P")
1033 KWMETH(strongprime_setup, "\
1034strongprime_setup(NBITS, [name = 'p', event = pgen_nullev,\n\
b2687a0a 1035 rng = rand, nsteps = 0]) -> (START, JUMP)")
d7ab1bab 1036 KWMETH(strongprime, "\
986bcc44
MW		 1037strongprime(NBITS, [name = 'p', event = pgen_nullev,\n\
1038 rng = rand, nsteps = 0]) -> P")
d7ab1bab 1039 KWMETH(limlee, "\
1040limlee(PBITS, QBITS, [name = 'p', event = pgen_nullev,\n\
1041 ievent = pgen_nullev, rng = rand, nsteps = 0]) -> (P, [Q, ...])")
1042#undef METHNAME
1043 { 0 }
1044};
1045
1046void pgen_pyinit(void)
1047{
1048 INITTYPE(pfilt, root);
1049 INITTYPE(rabin, root);
1050 INITTYPE(pgevent, root);
1051 INITTYPE(pgev, root);
1052 INITTYPE(pgstep, pgev);
1053 INITTYPE(pgjump, pgev);
1054 INITTYPE(pgtest, pgev);
1055 addmethods(methods);
1056}
1057
1058static PyObject *obj;
1059
1060void pgen_pyinsert(PyObject *mod)
1061{
1062 INSERT("PrimeFilter", pfilt_pytype);
1063 INSERT("RabinMiller", rabin_pytype);
1064 INSERT("PrimeGenEvent", pgevent_pytype);
1065 INSERT("PrimeGenBuiltinHandler", pgev_pytype);
1066 INSERT("PrimeGenStepper", pgstep_pytype);
1067 INSERT("PrimeGenJumper", pgjump_pytype);
1068 INSERT("PrimeGenTester", pgtest_pytype);
1069 INSERT("pgen_nullev", obj = pgev_stdev(0));
1070 INSERT("pgen_stdev", pgev_stdev(pgen_ev));
1071 INSERT("pgen_spinev", pgev_stdev(pgen_evspin));
1072 INSERT("pgen_subev", pgev_stdev(pgen_subev));
1073}
1074
1075/*----- That's all, folks -------------------------------------------------*/
Catacomb cryptographic library -- Python bindings