Commit | Line | Data |
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d7ab1bab | 1 | /* -*-c-*- |
d7ab1bab | 2 | * |
3 | * Random-number generators | |
4 | * | |
5 | * (c) 2004 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" | |
850a4b48 | 30 | #include "algorithms.h" |
d7ab1bab | 31 | |
32 | /*----- Main code ---------------------------------------------------------*/ | |
33 | ||
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; | |
38 | PyObject *rand_pyobj; | |
39 | ||
850a4b48 MW |
40 | static PyObject *gccrands_dict; |
41 | ||
d7ab1bab | 42 | static PyObject *grand_dopywrap(PyTypeObject *ty, grand *r, unsigned f) |
43 | { | |
44 | grand_pyobj *g; | |
45 | ||
46 | g = (grand_pyobj *)ty->tp_alloc(ty, 0); | |
47 | g->r = r; | |
48 | g->f = f; | |
49 | return ((PyObject *)g); | |
50 | } | |
51 | ||
52 | PyObject *grand_pywrap(grand *r, unsigned f) | |
53 | { | |
54 | PyTypeObject *ty = grand_pytype; | |
850a4b48 | 55 | PyObject *ob; |
d7ab1bab | 56 | |
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; | |
850a4b48 MW |
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; | |
d7ab1bab | 67 | return (grand_dopywrap(ty, r, f)); |
68 | } | |
69 | ||
70 | CONVFUNC(grand, grand *, GRAND_R) | |
71 | ||
f979190b MW |
72 | static int grand_check(PyObject *me) |
73 | { | |
74 | if (!GRAND_R(me)) VALERR("random generator object is no longer valid"); | |
75 | return (0); | |
76 | end: | |
77 | return (-1); | |
78 | } | |
79 | ||
d7ab1bab | 80 | static PyObject *grmeth_byte(PyObject *me, PyObject *arg) |
81 | { | |
82 | if (!PyArg_ParseTuple(arg, ":byte")) return (0); | |
f979190b | 83 | if (grand_check(me)) return (0); |
d7ab1bab | 84 | return (PyInt_FromLong(grand_byte(GRAND_R(me)))); |
85 | } | |
86 | ||
87 | static PyObject *grmeth_word(PyObject *me, PyObject *arg) | |
88 | { | |
89 | if (!PyArg_ParseTuple(arg, ":word")) return (0); | |
f979190b | 90 | if (grand_check(me)) return (0); |
fbca05a1 | 91 | return (getulong(grand_word(GRAND_R(me)))); |
d7ab1bab | 92 | } |
93 | ||
94 | static PyObject *grmeth_range(PyObject *me, PyObject *arg) | |
95 | { | |
96 | PyObject *m; | |
97 | mp *x = 0; | |
98 | mp *y = 0; | |
99 | ||
100 | if (!PyArg_ParseTuple(arg, "O:range", &m)) return (0); | |
f979190b | 101 | if (grand_check(me)) return (0); |
d7ab1bab | 102 | if (PyInt_Check(m)) { |
103 | long mm = PyInt_AS_LONG(m); | |
cb08602a MW |
104 | if (mm <= 0) |
105 | goto notpos; | |
d7ab1bab | 106 | if (mm <= 0xffffffff) |
107 | return (PyInt_FromLong(grand_range(GRAND_R(me), mm))); | |
108 | } | |
109 | if ((x = getmp(m)) == 0) | |
110 | goto end; | |
cb08602a MW |
111 | if (!MP_POSP(x)) |
112 | goto notpos; | |
d7ab1bab | 113 | y = mprand_range(MP_NEW, x, GRAND_R(me), 0); |
114 | MP_DROP(x); | |
115 | return (mp_pywrap(y)); | |
cb08602a MW |
116 | notpos: |
117 | VALERR("range must be strictly positive"); | |
d7ab1bab | 118 | end: |
119 | if (x) MP_DROP(x); | |
120 | return (0); | |
121 | } | |
122 | ||
123 | static PyObject *grmeth_mp(PyObject *me, PyObject *arg, PyObject *kw) | |
124 | { | |
125 | size_t l; | |
cb08602a | 126 | mpw o = 0; |
d7ab1bab | 127 | char *kwlist[] = { "bits", "or", 0 }; |
128 | ||
129 | if (!PyArg_ParseTupleAndKeywords(arg, kw, "O&|O&:mp", kwlist, | |
130 | convszt, &l, convmpw, &o)) | |
131 | goto end; | |
f979190b | 132 | if (grand_check(me)) return (0); |
cb08602a | 133 | if (l < MPW_BITS && (o >> l)) VALERR("or mask too large"); |
d7ab1bab | 134 | return (mp_pywrap(mprand(MP_NEW, l, GRAND_R(me), o))); |
135 | end: | |
136 | return (0); | |
137 | } | |
138 | ||
139 | static PyObject *grmeth_block(PyObject *me, PyObject *arg) | |
140 | { | |
141 | unsigned long n; | |
142 | PyObject *rc = 0; | |
143 | ||
144 | if (!PyArg_ParseTuple(arg, "O&:block", convulong, &n)) goto end; | |
f979190b | 145 | if (grand_check(me)) return (0); |
d7ab1bab | 146 | rc = bytestring_pywrap(0, n); |
147 | grand_fill(GRAND_R(me), PyString_AS_STRING(rc), n); | |
148 | end: | |
149 | return (rc); | |
150 | } | |
151 | ||
152 | static int checkop(grand *r, unsigned op, const char *what) | |
153 | { | |
f979190b | 154 | if (r->ops->misc(r, GRAND_CHECK, op)) return (0); |
d7ab1bab | 155 | PyErr_Format(PyExc_TypeError, "operation %s not supported", what); |
156 | return (-1); | |
157 | } | |
158 | ||
159 | static PyObject *grmeth_seedint(PyObject *me, PyObject *arg) | |
160 | { | |
161 | int i; | |
162 | grand *r = GRAND_R(me); | |
163 | if (!PyArg_ParseTuple(arg, "i:seedint", &i) || | |
f979190b | 164 | grand_check(me) || checkop(r, GRAND_SEEDINT, "seedint")) |
d7ab1bab | 165 | goto end; |
166 | r->ops->misc(r, GRAND_SEEDINT, i); | |
167 | RETURN_ME; | |
168 | end: | |
169 | return (0); | |
170 | } | |
171 | ||
172 | static PyObject *grmeth_seedword(PyObject *me, PyObject *arg) | |
173 | { | |
174 | uint32 u; | |
175 | grand *r = GRAND_R(me); | |
176 | if (!PyArg_ParseTuple(arg, "O&:seedword", convu32, &u) || | |
f979190b | 177 | grand_check(me) || checkop(r, GRAND_SEEDUINT32, "seedword")) |
d7ab1bab | 178 | goto end; |
179 | r->ops->misc(r, GRAND_SEEDUINT32, u); | |
180 | RETURN_ME; | |
181 | end: | |
182 | return (0); | |
183 | } | |
184 | ||
185 | static PyObject *grmeth_seedblock(PyObject *me, PyObject *arg) | |
186 | { | |
187 | char *p; | |
6b54260d | 188 | Py_ssize_t n; |
d7ab1bab | 189 | grand *r = GRAND_R(me); |
190 | if (!PyArg_ParseTuple(arg, "s#:seedblock", &p, &n) || | |
f979190b | 191 | grand_check(me) || checkop(r, GRAND_SEEDBLOCK, "seedblock")) |
d7ab1bab | 192 | goto end; |
193 | r->ops->misc(r, GRAND_SEEDBLOCK, p, (size_t)n); | |
194 | RETURN_ME; | |
195 | end: | |
196 | return (0); | |
197 | } | |
198 | ||
199 | static PyObject *grmeth_seedmp(PyObject *me, PyObject *arg) | |
200 | { | |
201 | PyObject *x; | |
202 | mp *xx; | |
203 | grand *r = GRAND_R(me); | |
204 | if (!PyArg_ParseTuple(arg, "O:seedmp", &x) || | |
f979190b | 205 | grand_check(me) || checkop(r, GRAND_SEEDMP, "seedmp") || |
d7ab1bab | 206 | (xx = getmp(x)) == 0) |
207 | goto end; | |
208 | r->ops->misc(r, GRAND_SEEDMP, xx); | |
209 | MP_DROP(xx); | |
210 | RETURN_ME; | |
211 | end: | |
212 | return (0); | |
213 | } | |
214 | ||
215 | static PyObject *grmeth_seedrand(PyObject *me, PyObject *arg, PyObject *kw) | |
216 | { | |
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, | |
221 | convgrand, &rr) || | |
f979190b | 222 | grand_check(me) || checkop(r, GRAND_SEEDRAND, "seedrand")) |
d7ab1bab | 223 | goto end; |
224 | r->ops->misc(r, GRAND_SEEDRAND, rr); | |
225 | RETURN_ME; | |
226 | end: | |
227 | return (0); | |
228 | } | |
229 | ||
230 | static PyObject *grmeth_mask(PyObject *me, PyObject *arg) | |
231 | { | |
232 | grand *r = GRAND_R(me); | |
233 | char *p, *q; | |
6b54260d | 234 | Py_ssize_t sz; |
d7ab1bab | 235 | PyObject *rc; |
236 | ||
237 | if (!PyArg_ParseTuple(arg, "s#:mask", &p, &sz)) return (0); | |
f979190b | 238 | if (grand_check(me)) return (0); |
d7ab1bab | 239 | rc = bytestring_pywrap(0, sz); |
240 | q = PyString_AS_STRING(rc); | |
241 | GR_FILL(r, q, sz); | |
242 | while (sz--) *q++ ^= *p++; | |
243 | return (rc); | |
244 | } | |
245 | ||
246 | static void grand_pydealloc(PyObject *me) | |
247 | { | |
248 | grand_pyobj *g = (grand_pyobj *)me; | |
f979190b | 249 | if ((g->f & f_freeme) && g->r) GR_DESTROY(g->r); |
3aa33042 | 250 | FREEOBJ(me); |
d7ab1bab | 251 | } |
252 | ||
253 | static PyObject *grget_name(PyObject *me, void *hunoz) | |
f979190b | 254 | { return (grand_check(me) ? 0 : PyString_FromString(GRAND_R(me)->ops->name)); } |
d7ab1bab | 255 | |
256 | static PyObject *grget_cryptop(PyObject *me, void *hunoz) | |
f979190b | 257 | { return (grand_check(me) ? 0 : getbool(GRAND_R(me)->ops->f & GRAND_CRYPTO)); } |
d7ab1bab | 258 | |
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?") | |
263 | #undef GETSETNAME | |
264 | { 0 } | |
265 | }; | |
266 | ||
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") | |
986bcc44 | 272 | KWMETH(mp, "R.mp(bits, [or = 0]) -> MP") |
d7ab1bab | 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)") | |
280 | #undef METHNAME | |
281 | { 0 } | |
282 | }; | |
283 | ||
284 | static PyTypeObject grand_pytype_skel = { | |
6d4db0bf | 285 | PyObject_HEAD_INIT(0) 0, /* Header */ |
c461c9b3 | 286 | "GRand", /* @tp_name@ */ |
d7ab1bab | 287 | sizeof(grand_pyobj), /* @tp_basicsize@ */ |
288 | 0, /* @tp_itemsize@ */ | |
289 | ||
290 | grand_pydealloc, /* @tp_dealloc@ */ | |
291 | 0, /* @tp_print@ */ | |
292 | 0, /* @tp_getattr@ */ | |
293 | 0, /* @tp_setattr@ */ | |
294 | 0, /* @tp_compare@ */ | |
295 | 0, /* @tp_repr@ */ | |
296 | 0, /* @tp_as_number@ */ | |
297 | 0, /* @tp_as_sequence@ */ | |
298 | 0, /* @tp_as_mapping@ */ | |
299 | 0, /* @tp_hash@ */ | |
300 | 0, /* @tp_call@ */ | |
301 | 0, /* @tp_str@ */ | |
302 | 0, /* @tp_getattro@ */ | |
303 | 0, /* @tp_setattro@ */ | |
304 | 0, /* @tp_as_buffer@ */ | |
305 | Py_TPFLAGS_DEFAULT | /* @tp_flags@ */ | |
306 | Py_TPFLAGS_BASETYPE, | |
307 | ||
308 | /* @tp_doc@ */ | |
309 | "Generic random number source.", | |
310 | ||
311 | 0, /* @tp_traverse@ */ | |
312 | 0, /* @tp_clear@ */ | |
313 | 0, /* @tp_richcompare@ */ | |
314 | 0, /* @tp_weaklistoffset@ */ | |
315 | 0, /* @tp_iter@ */ | |
963a6148 | 316 | 0, /* @tp_iternext@ */ |
d7ab1bab | 317 | grand_pymethods, /* @tp_methods@ */ |
318 | 0, /* @tp_members@ */ | |
319 | grand_pygetset, /* @tp_getset@ */ | |
320 | 0, /* @tp_base@ */ | |
321 | 0, /* @tp_dict@ */ | |
322 | 0, /* @tp_descr_get@ */ | |
323 | 0, /* @tp_descr_set@ */ | |
324 | 0, /* @tp_dictoffset@ */ | |
325 | 0, /* @tp_init@ */ | |
326 | PyType_GenericAlloc, /* @tp_alloc@ */ | |
327 | abstract_pynew, /* @tp_new@ */ | |
3aa33042 | 328 | 0, /* @tp_free@ */ |
d7ab1bab | 329 | 0 /* @tp_is_gc@ */ |
330 | }; | |
331 | ||
332 | static PyObject *lcrand_pynew(PyTypeObject *me, PyObject *arg, PyObject *kw) | |
333 | { | |
334 | uint32 n = 0; | |
335 | char *kwlist[] = { "seed", 0 }; | |
336 | if (!PyArg_ParseTupleAndKeywords(arg, kw, "|O&:new", kwlist, convu32, &n)) | |
337 | return (0); | |
338 | return (grand_dopywrap(lcrand_pytype, lcrand_create(n), f_freeme)); | |
339 | } | |
340 | ||
341 | static PyTypeObject lcrand_pytype_skel = { | |
6d4db0bf | 342 | PyObject_HEAD_INIT(0) 0, /* Header */ |
c461c9b3 | 343 | "LCRand", /* @tp_name@ */ |
d7ab1bab | 344 | sizeof(grand_pyobj), /* @tp_basicsize@ */ |
345 | 0, /* @tp_itemsize@ */ | |
346 | ||
347 | grand_pydealloc, /* @tp_dealloc@ */ | |
348 | 0, /* @tp_print@ */ | |
349 | 0, /* @tp_getattr@ */ | |
350 | 0, /* @tp_setattr@ */ | |
351 | 0, /* @tp_compare@ */ | |
352 | 0, /* @tp_repr@ */ | |
353 | 0, /* @tp_as_number@ */ | |
354 | 0, /* @tp_as_sequence@ */ | |
355 | 0, /* @tp_as_mapping@ */ | |
356 | 0, /* @tp_hash@ */ | |
357 | 0, /* @tp_call@ */ | |
358 | 0, /* @tp_str@ */ | |
359 | 0, /* @tp_getattro@ */ | |
360 | 0, /* @tp_setattro@ */ | |
361 | 0, /* @tp_as_buffer@ */ | |
362 | Py_TPFLAGS_DEFAULT | /* @tp_flags@ */ | |
363 | Py_TPFLAGS_BASETYPE, | |
364 | ||
365 | /* @tp_doc@ */ | |
366 | "Linear congruential generator.", | |
367 | ||
368 | 0, /* @tp_traverse@ */ | |
369 | 0, /* @tp_clear@ */ | |
370 | 0, /* @tp_richcompare@ */ | |
371 | 0, /* @tp_weaklistoffset@ */ | |
372 | 0, /* @tp_iter@ */ | |
963a6148 | 373 | 0, /* @tp_iternext@ */ |
d7ab1bab | 374 | 0, /* @tp_methods@ */ |
375 | 0, /* @tp_members@ */ | |
376 | 0, /* @tp_getset@ */ | |
377 | 0, /* @tp_base@ */ | |
378 | 0, /* @tp_dict@ */ | |
379 | 0, /* @tp_descr_get@ */ | |
380 | 0, /* @tp_descr_set@ */ | |
381 | 0, /* @tp_dictoffset@ */ | |
382 | 0, /* @tp_init@ */ | |
383 | PyType_GenericAlloc, /* @tp_alloc@ */ | |
384 | lcrand_pynew, /* @tp_new@ */ | |
3aa33042 | 385 | 0, /* @tp_free@ */ |
d7ab1bab | 386 | 0 /* @tp_is_gc@ */ |
387 | }; | |
388 | ||
389 | static PyObject *fibrand_pynew(PyTypeObject *me, PyObject *arg, PyObject *kw) | |
390 | { | |
391 | uint32 n = 0; | |
392 | char *kwlist[] = { "seed", 0 }; | |
393 | if (!PyArg_ParseTupleAndKeywords(arg, kw, "|O&:new", kwlist, convu32, &n)) | |
394 | return (0); | |
395 | return (grand_dopywrap(fibrand_pytype, fibrand_create(n), f_freeme)); | |
396 | } | |
397 | ||
398 | static PyTypeObject fibrand_pytype_skel = { | |
6d4db0bf | 399 | PyObject_HEAD_INIT(0) 0, /* Header */ |
c461c9b3 | 400 | "FibRand", /* @tp_name@ */ |
d7ab1bab | 401 | sizeof(grand_pyobj), /* @tp_basicsize@ */ |
402 | 0, /* @tp_itemsize@ */ | |
403 | ||
404 | grand_pydealloc, /* @tp_dealloc@ */ | |
405 | 0, /* @tp_print@ */ | |
406 | 0, /* @tp_getattr@ */ | |
407 | 0, /* @tp_setattr@ */ | |
408 | 0, /* @tp_compare@ */ | |
409 | 0, /* @tp_repr@ */ | |
410 | 0, /* @tp_as_number@ */ | |
411 | 0, /* @tp_as_sequence@ */ | |
412 | 0, /* @tp_as_mapping@ */ | |
413 | 0, /* @tp_hash@ */ | |
414 | 0, /* @tp_call@ */ | |
415 | 0, /* @tp_str@ */ | |
416 | 0, /* @tp_getattro@ */ | |
417 | 0, /* @tp_setattro@ */ | |
418 | 0, /* @tp_as_buffer@ */ | |
419 | Py_TPFLAGS_DEFAULT | /* @tp_flags@ */ | |
420 | Py_TPFLAGS_BASETYPE, | |
421 | ||
422 | /* @tp_doc@ */ | |
423 | "Fibonacci generator.", | |
424 | ||
425 | 0, /* @tp_traverse@ */ | |
426 | 0, /* @tp_clear@ */ | |
427 | 0, /* @tp_richcompare@ */ | |
428 | 0, /* @tp_weaklistoffset@ */ | |
429 | 0, /* @tp_iter@ */ | |
963a6148 | 430 | 0, /* @tp_iternext@ */ |
d7ab1bab | 431 | 0, /* @tp_methods@ */ |
432 | 0, /* @tp_members@ */ | |
433 | 0, /* @tp_getset@ */ | |
434 | 0, /* @tp_base@ */ | |
435 | 0, /* @tp_dict@ */ | |
436 | 0, /* @tp_descr_get@ */ | |
437 | 0, /* @tp_descr_set@ */ | |
438 | 0, /* @tp_dictoffset@ */ | |
439 | 0, /* @tp_init@ */ | |
440 | PyType_GenericAlloc, /* @tp_alloc@ */ | |
441 | fibrand_pynew, /* @tp_new@ */ | |
3aa33042 | 442 | 0, /* @tp_free@ */ |
d7ab1bab | 443 | 0 /* @tp_is_gc@ */ |
444 | }; | |
445 | ||
446 | /*----- True random generator ---------------------------------------------*/ | |
447 | ||
448 | static PyObject *trmeth_gate(PyObject *me, PyObject *arg) | |
449 | { | |
450 | grand *r = GRAND_R(me); | |
451 | if (!PyArg_ParseTuple(arg, ":gate")) return (0); | |
452 | r->ops->misc(r, RAND_GATE); | |
453 | RETURN_ME; | |
454 | } | |
455 | ||
456 | static PyObject *trmeth_stretch(PyObject *me, PyObject *arg) | |
457 | { | |
458 | grand *r = GRAND_R(me); | |
459 | if (!PyArg_ParseTuple(arg, ":stretch")) return (0); | |
460 | r->ops->misc(r, RAND_STRETCH); | |
461 | RETURN_ME; | |
462 | } | |
463 | ||
850a4b48 MW |
464 | static PyObject *trmeth_add(PyObject *me, PyObject *arg) |
465 | { | |
466 | grand *r = GRAND_R(me); | |
6b54260d | 467 | char *p; Py_ssize_t n; unsigned goodbits; |
850a4b48 MW |
468 | if (!PyArg_ParseTuple(arg, "s#O&:add", &p, &n, convuint, &goodbits)) |
469 | return (0); | |
470 | r->ops->misc(r, RAND_ADD, p, (size_t)n, goodbits); | |
471 | RETURN_ME; | |
472 | } | |
473 | ||
d7ab1bab | 474 | static PyObject *trmeth_key(PyObject *me, PyObject *arg) |
475 | { | |
476 | grand *r = GRAND_R(me); | |
6b54260d | 477 | char *p; Py_ssize_t n; |
d7ab1bab | 478 | if (!PyArg_ParseTuple(arg, "s#:key", &p, &n)) return (0); |
850a4b48 | 479 | r->ops->misc(r, RAND_KEY, p, (size_t)n); |
d7ab1bab | 480 | RETURN_ME; |
481 | } | |
482 | ||
483 | static PyObject *trmeth_seed(PyObject *me, PyObject *arg) | |
484 | { | |
485 | grand *r = GRAND_R(me); | |
486 | unsigned u; | |
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); | |
490 | RETURN_ME; | |
491 | end: | |
492 | return (0); | |
493 | } | |
494 | ||
495 | static PyObject *trmeth_timer(PyObject *me, PyObject *arg) | |
496 | { | |
497 | grand *r = GRAND_R(me); | |
498 | if (!PyArg_ParseTuple(arg, ":timer")) return (0); | |
499 | r->ops->misc(r, RAND_TIMER); | |
500 | RETURN_ME; | |
501 | } | |
502 | ||
503 | static PyObject *truerand_pynew(PyTypeObject *ty, | |
504 | PyObject *arg, PyObject *kw) | |
505 | { | |
506 | char *kwlist[] = { 0 }; | |
507 | grand *r; | |
508 | PyObject *rc = 0; | |
8900d271 | 509 | if (!PyArg_ParseTupleAndKeywords(arg, kw, ":new", kwlist)) goto end; |
d7ab1bab | 510 | r = rand_create(); |
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); | |
514 | end: | |
515 | return (rc); | |
516 | } | |
517 | ||
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)") | |
850a4b48 | 524 | METH (add, "R.add(BYTES, GOODBITS") |
d7ab1bab | 525 | METH (timer, "R.timer()") |
526 | #undef METHNAME | |
527 | { 0 } | |
528 | }; | |
529 | ||
530 | static PyObject *trget_goodbits(PyObject *me, void *hunoz) | |
531 | { | |
532 | grand *r = GRAND_R(me); | |
533 | return (PyInt_FromLong(r->ops->misc(r, RAND_GOODBITS))); | |
534 | } | |
535 | ||
536 | static PyGetSetDef truerand_pygetset[] = { | |
537 | #define GETSETNAME(op, name) tr##op##_##name | |
b2687a0a | 538 | GET (goodbits, "R.goodbits -> good bits of entropy remaining") |
d7ab1bab | 539 | #undef GETSETNAME |
540 | { 0 } | |
541 | }; | |
542 | ||
543 | static PyTypeObject truerand_pytype_skel = { | |
6d4db0bf | 544 | PyObject_HEAD_INIT(0) 0, /* Header */ |
c461c9b3 | 545 | "TrueRand", /* @tp_name@ */ |
d7ab1bab | 546 | sizeof(grand_pyobj), /* @tp_basicsize@ */ |
547 | 0, /* @tp_itemsize@ */ | |
548 | ||
549 | grand_pydealloc, /* @tp_dealloc@ */ | |
550 | 0, /* @tp_print@ */ | |
551 | 0, /* @tp_getattr@ */ | |
552 | 0, /* @tp_setattr@ */ | |
553 | 0, /* @tp_compare@ */ | |
554 | 0, /* @tp_repr@ */ | |
555 | 0, /* @tp_as_number@ */ | |
556 | 0, /* @tp_as_sequence@ */ | |
557 | 0, /* @tp_as_mapping@ */ | |
558 | 0, /* @tp_hash@ */ | |
559 | 0, /* @tp_call@ */ | |
560 | 0, /* @tp_str@ */ | |
561 | 0, /* @tp_getattro@ */ | |
562 | 0, /* @tp_setattro@ */ | |
563 | 0, /* @tp_as_buffer@ */ | |
564 | Py_TPFLAGS_DEFAULT | /* @tp_flags@ */ | |
565 | Py_TPFLAGS_BASETYPE, | |
566 | ||
567 | /* @tp_doc@ */ | |
568 | "True random number source.", | |
569 | ||
570 | 0, /* @tp_traverse@ */ | |
571 | 0, /* @tp_clear@ */ | |
572 | 0, /* @tp_richcompare@ */ | |
573 | 0, /* @tp_weaklistoffset@ */ | |
574 | 0, /* @tp_iter@ */ | |
963a6148 | 575 | 0, /* @tp_iternext@ */ |
d7ab1bab | 576 | truerand_pymethods, /* @tp_methods@ */ |
577 | 0, /* @tp_members@ */ | |
578 | truerand_pygetset, /* @tp_getset@ */ | |
579 | 0, /* @tp_base@ */ | |
580 | 0, /* @tp_dict@ */ | |
581 | 0, /* @tp_descr_get@ */ | |
582 | 0, /* @tp_descr_set@ */ | |
583 | 0, /* @tp_dictoffset@ */ | |
584 | 0, /* @tp_init@ */ | |
585 | PyType_GenericAlloc, /* @tp_alloc@ */ | |
586 | truerand_pynew, /* @tp_new@ */ | |
3aa33042 | 587 | 0, /* @tp_free@ */ |
d7ab1bab | 588 | 0 /* @tp_is_gc@ */ |
589 | }; | |
590 | ||
850a4b48 MW |
591 | /*----- Generators from symmetric encryption algorithms -------------------*/ |
592 | ||
35e5469a | 593 | static PyTypeObject *gccrand_pytype, *gcrand_pytype, *gclatinrand_pytype; |
850a4b48 MW |
594 | |
595 | typedef grand *gcrand_func(const void *, size_t sz); | |
596 | typedef grand *gcirand_func(const void *, size_t sz, uint32); | |
3f4f64b8 | 597 | typedef grand *gcnrand_func(const void *, size_t sz, const void *); |
6bd22b53 MW |
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); | |
850a4b48 MW |
604 | typedef struct gccrand_info { |
605 | const char *name; | |
606 | const octet *keysz; | |
607 | unsigned f; | |
3f4f64b8 | 608 | size_t noncesz; |
850a4b48 MW |
609 | gcrand_func *func; |
610 | } gccrand_info; | |
611 | ||
34825452 MW |
612 | #define RNGF_MASK 255u |
613 | ||
614 | enum { | |
615 | RNG_PLAIN = 0, | |
616 | RNG_SEAL, | |
617 | RNG_LATIN, | |
618 | RNG_SHAKE, | |
619 | RNG_KMAC | |
620 | }; | |
78f06cd3 | 621 | |
850a4b48 MW |
622 | typedef struct gccrand_pyobj { |
623 | PyHeapTypeObject ty; | |
624 | const gccrand_info *info; | |
625 | } gccrand_pyobj; | |
626 | #define GCCRAND_INFO(o) (((gccrand_pyobj *)(o))->info) | |
627 | ||
3f4f64b8 | 628 | #define GCCRAND_DEF(name, ksz, func, f, nsz) \ |
850a4b48 | 629 | static const gccrand_info func##_info = \ |
3f4f64b8 | 630 | { name, ksz, f, nsz, (gcrand_func *)func }; |
850a4b48 MW |
631 | RNGS(GCCRAND_DEF) |
632 | ||
633 | static const gccrand_info *const gcrandtab[] = { | |
3f4f64b8 | 634 | #define GCCRAND_ENTRY(name, ksz, func, f, nsz) &func##_info, |
850a4b48 MW |
635 | RNGS(GCCRAND_ENTRY) |
636 | 0 | |
637 | }; | |
638 | ||
639 | static PyObject *gcrand_pynew(PyTypeObject *ty, PyObject *arg, PyObject *kw) | |
640 | { | |
641 | const gccrand_info *info = GCCRAND_INFO(ty); | |
642 | static char *kwlist[] = { "key", 0 }; | |
643 | char *k; | |
6b54260d | 644 | Py_ssize_t n; |
850a4b48 MW |
645 | |
646 | if (!PyArg_ParseTupleAndKeywords(arg, kw, "s#:new", kwlist, &k, &n)) | |
647 | goto end; | |
648 | if (keysz(n, info->keysz) != n) VALERR("bad key length"); | |
649 | return (grand_dopywrap(ty, info->func(k, n), f_freeme)); | |
650 | end: | |
b2687a0a | 651 | return (0); |
850a4b48 MW |
652 | } |
653 | ||
654 | static PyObject *gcirand_pynew(PyTypeObject *ty, PyObject *arg, PyObject *kw) | |
655 | { | |
656 | const gccrand_info *info = GCCRAND_INFO(ty); | |
657 | uint32 i = 0; | |
658 | static char *kwlist[] = { "key", "i", 0 }; | |
659 | char *k; | |
6b54260d | 660 | Py_ssize_t n; |
850a4b48 MW |
661 | |
662 | if (!PyArg_ParseTupleAndKeywords(arg, kw, "s#O&:new", kwlist, | |
663 | &k, &n, convu32, &i)) | |
664 | goto end; | |
665 | if (keysz(n, info->keysz) != n) VALERR("bad key length"); | |
666 | return (grand_dopywrap(ty, | |
667 | ((gcirand_func *)info->func)(k, n, i), | |
668 | f_freeme)); | |
669 | end: | |
b2687a0a | 670 | return (0); |
850a4b48 MW |
671 | } |
672 | ||
3f4f64b8 MW |
673 | static PyObject *gcnrand_pynew(PyTypeObject *ty, PyObject *arg, PyObject *kw) |
674 | { | |
675 | const gccrand_info *info = GCCRAND_INFO(ty); | |
676 | static char *kwlist[] = { "key", "nonce", 0 }; | |
677 | char *k, *n; | |
6b54260d | 678 | Py_ssize_t ksz, nsz; |
3f4f64b8 MW |
679 | |
680 | if (!PyArg_ParseTupleAndKeywords(arg, kw, "s#s#:new", kwlist, | |
681 | &k, &ksz, &n, &nsz)) | |
682 | goto end; | |
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), | |
687 | f_freeme)); | |
688 | end: | |
689 | return (0); | |
690 | } | |
691 | ||
6bd22b53 MW |
692 | static PyObject *gcshakyrand_pynew(PyTypeObject *ty, |
693 | PyObject *arg, PyObject *kw) | |
694 | { | |
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; | |
700 | ||
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, | |
705 | &k, &ksz, &p, &psz)) | |
706 | goto end; | |
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, | |
711 | p, psz, | |
712 | k, ksz) | |
713 | : ((gcshafuncrand_func *)info->func)(p, psz, | |
714 | k, ksz), | |
715 | f_freeme)); | |
716 | end: | |
717 | return (0); | |
718 | } | |
719 | ||
850a4b48 MW |
720 | static PyObject *gccrand_pywrap(const gccrand_info *info) |
721 | { | |
722 | gccrand_pyobj *g = newtype(gccrand_pytype, 0, info->name); | |
723 | g->info = info; | |
24b3d57b | 724 | g->ty.ht_type.tp_basicsize = sizeof(grand_pyobj); |
34825452 MW |
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; | |
728 | } | |
35e5469a | 729 | Py_INCREF(g->ty.ht_type.tp_base); |
24b3d57b MW |
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; | |
34825452 MW |
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; | |
6bd22b53 MW |
738 | case RNG_SHAKE: case RNG_KMAC: |
739 | g->ty.ht_type.tp_new = gcshakyrand_pynew; break; | |
34825452 MW |
740 | default: g->ty.ht_type.tp_new = gcrand_pynew; break; |
741 | } | |
dc075750 | 742 | typeready(&g->ty.ht_type); |
850a4b48 MW |
743 | return ((PyObject *)g); |
744 | } | |
745 | ||
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)); } | |
750 | ||
35e5469a MW |
751 | static PyObject *gclrmeth_tell(PyObject *me, PyObject *arg) |
752 | { | |
753 | grand *r = GRAND_R(me); | |
754 | PyObject *rc = 0; | |
755 | kludge64 off; | |
756 | ||
757 | if (!PyArg_ParseTuple(arg, ":tell")) return (0); | |
758 | r->ops->misc(r, SALSA20_TELLU64, &off); | |
759 | rc = getk64(off); | |
760 | return (rc); | |
761 | } | |
762 | ||
763 | static PyObject *gclrmeth_seek(PyObject *me, PyObject *arg) | |
764 | { | |
765 | grand *r = GRAND_R(me); | |
766 | kludge64 off; | |
767 | ||
768 | if (!PyArg_ParseTuple(arg, "O&:seek", convk64, &off)) return (0); | |
769 | r->ops->misc(r, SALSA20_SEEKU64, off); | |
770 | RETURN_ME; | |
771 | } | |
772 | ||
850a4b48 MW |
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") | |
777 | #undef GETSETNAME | |
778 | { 0 } | |
779 | }; | |
780 | ||
35e5469a MW |
781 | static PyMethodDef gclatinrand_pymethods[] = { |
782 | #define METHNAME(name) gclrmeth_##name | |
783 | METH (tell, "R.tell() -> OFF") | |
784 | METH (seek, "R.seek(OFF)") | |
785 | #undef METHNAME | |
786 | { 0 } | |
787 | }; | |
788 | ||
850a4b48 MW |
789 | static PyTypeObject gccrand_pytype_skel = { |
790 | PyObject_HEAD_INIT(0) 0, /* Header */ | |
c461c9b3 | 791 | "GCCRand", /* @tp_name@ */ |
850a4b48 MW |
792 | sizeof(gccrand_pyobj), /* @tp_basicsize@ */ |
793 | 0, /* @tp_itemsize@ */ | |
794 | ||
795 | 0, /* @tp_dealloc@ */ | |
796 | 0, /* @tp_print@ */ | |
797 | 0, /* @tp_getattr@ */ | |
798 | 0, /* @tp_setattr@ */ | |
799 | 0, /* @tp_compare@ */ | |
800 | 0, /* @tp_repr@ */ | |
801 | 0, /* @tp_as_number@ */ | |
802 | 0, /* @tp_as_sequence@ */ | |
803 | 0, /* @tp_as_mapping@ */ | |
804 | 0, /* @tp_hash@ */ | |
805 | 0, /* @tp_call@ */ | |
806 | 0, /* @tp_str@ */ | |
807 | 0, /* @tp_getattro@ */ | |
808 | 0, /* @tp_setattro@ */ | |
809 | 0, /* @tp_as_buffer@ */ | |
810 | Py_TPFLAGS_DEFAULT | /* @tp_flags@ */ | |
811 | Py_TPFLAGS_BASETYPE, | |
812 | ||
813 | /* @tp_doc@ */ | |
814 | "Metaclass for symmetric crypto-based generators.", | |
815 | ||
816 | 0, /* @tp_traverse@ */ | |
817 | 0, /* @tp_clear@ */ | |
818 | 0, /* @tp_richcompare@ */ | |
819 | 0, /* @tp_weaklistoffset@ */ | |
820 | 0, /* @tp_iter@ */ | |
821 | 0, /* @tp_iternext@ */ | |
822 | 0, /* @tp_methods@ */ | |
823 | 0, /* @tp_members@ */ | |
824 | gccrand_pygetset, /* @tp_getset@ */ | |
825 | 0, /* @tp_base@ */ | |
826 | 0, /* @tp_dict@ */ | |
827 | 0, /* @tp_descr_get@ */ | |
828 | 0, /* @tp_descr_set@ */ | |
829 | 0, /* @tp_dictoffset@ */ | |
830 | 0, /* @tp_init@ */ | |
831 | PyType_GenericAlloc, /* @tp_alloc@ */ | |
832 | abstract_pynew, /* @tp_new@ */ | |
833 | 0, /* @tp_free@ */ | |
834 | 0 /* @tp_is_gc@ */ | |
835 | }; | |
836 | ||
837 | static PyTypeObject gcrand_pytype_skel = { | |
838 | PyObject_HEAD_INIT(0) 0, /* Header */ | |
c461c9b3 | 839 | "GCRand", /* @tp_name@ */ |
850a4b48 MW |
840 | sizeof(grand_pyobj), /* @tp_basicsize@ */ |
841 | 0, /* @tp_itemsize@ */ | |
842 | ||
843 | grand_pydealloc, /* @tp_dealloc@ */ | |
844 | 0, /* @tp_print@ */ | |
845 | 0, /* @tp_getattr@ */ | |
846 | 0, /* @tp_setattr@ */ | |
847 | 0, /* @tp_compare@ */ | |
848 | 0, /* @tp_repr@ */ | |
849 | 0, /* @tp_as_number@ */ | |
850 | 0, /* @tp_as_sequence@ */ | |
851 | 0, /* @tp_as_mapping@ */ | |
852 | 0, /* @tp_hash@ */ | |
853 | 0, /* @tp_call@ */ | |
854 | 0, /* @tp_str@ */ | |
855 | 0, /* @tp_getattro@ */ | |
856 | 0, /* @tp_setattro@ */ | |
857 | 0, /* @tp_as_buffer@ */ | |
858 | Py_TPFLAGS_DEFAULT | /* @tp_flags@ */ | |
859 | Py_TPFLAGS_BASETYPE, | |
860 | ||
861 | /* @tp_doc@ */ | |
862 | "Abstract base class for symmetric crypto-based generators.", | |
863 | ||
864 | 0, /* @tp_traverse@ */ | |
865 | 0, /* @tp_clear@ */ | |
866 | 0, /* @tp_richcompare@ */ | |
867 | 0, /* @tp_weaklistoffset@ */ | |
868 | 0, /* @tp_iter@ */ | |
869 | 0, /* @tp_iternext@ */ | |
870 | 0, /* @tp_methods@ */ | |
871 | 0, /* @tp_members@ */ | |
872 | 0, /* @tp_getset@ */ | |
873 | 0, /* @tp_base@ */ | |
874 | 0, /* @tp_dict@ */ | |
875 | 0, /* @tp_descr_get@ */ | |
876 | 0, /* @tp_descr_set@ */ | |
877 | 0, /* @tp_dictoffset@ */ | |
878 | 0, /* @tp_init@ */ | |
879 | PyType_GenericAlloc, /* @tp_alloc@ */ | |
880 | abstract_pynew, /* @tp_new@ */ | |
881 | 0, /* @tp_free@ */ | |
882 | 0 /* @tp_is_gc@ */ | |
883 | }; | |
884 | ||
35e5469a MW |
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@ */ | |
890 | ||
891 | grand_pydealloc, /* @tp_dealloc@ */ | |
892 | 0, /* @tp_print@ */ | |
893 | 0, /* @tp_getattr@ */ | |
894 | 0, /* @tp_setattr@ */ | |
895 | 0, /* @tp_compare@ */ | |
896 | 0, /* @tp_repr@ */ | |
897 | 0, /* @tp_as_number@ */ | |
898 | 0, /* @tp_as_sequence@ */ | |
899 | 0, /* @tp_as_mapping@ */ | |
900 | 0, /* @tp_hash@ */ | |
901 | 0, /* @tp_call@ */ | |
902 | 0, /* @tp_str@ */ | |
903 | 0, /* @tp_getattro@ */ | |
904 | 0, /* @tp_setattro@ */ | |
905 | 0, /* @tp_as_buffer@ */ | |
906 | Py_TPFLAGS_DEFAULT | /* @tp_flags@ */ | |
907 | Py_TPFLAGS_BASETYPE, | |
908 | ||
909 | /* @tp_doc@ */ | |
910 | "Abstract base class for symmetric crypto-based generators.", | |
911 | ||
912 | 0, /* @tp_traverse@ */ | |
913 | 0, /* @tp_clear@ */ | |
914 | 0, /* @tp_richcompare@ */ | |
915 | 0, /* @tp_weaklistoffset@ */ | |
916 | 0, /* @tp_iter@ */ | |
917 | 0, /* @tp_iternext@ */ | |
918 | gclatinrand_pymethods, /* @tp_methods@ */ | |
919 | 0, /* @tp_members@ */ | |
920 | 0, /* @tp_getset@ */ | |
921 | 0, /* @tp_base@ */ | |
922 | 0, /* @tp_dict@ */ | |
923 | 0, /* @tp_descr_get@ */ | |
924 | 0, /* @tp_descr_set@ */ | |
925 | 0, /* @tp_dictoffset@ */ | |
926 | 0, /* @tp_init@ */ | |
927 | PyType_GenericAlloc, /* @tp_alloc@ */ | |
928 | abstract_pynew, /* @tp_new@ */ | |
929 | 0, /* @tp_free@ */ | |
930 | 0 /* @tp_is_gc@ */ | |
931 | }; | |
932 | ||
d7ab1bab | 933 | /*----- SSL and TLS generators --------------------------------------------*/ |
934 | ||
935 | static PyObject *sslprf_pynew(PyTypeObject *ty, PyObject *arg, PyObject *kw) | |
936 | { | |
937 | char *k, *s; | |
938 | int ksz, ssz; | |
939 | const gchash *hco = &md5, *hci = &sha; | |
940 | PyObject *rc = 0; | |
941 | char *kwlist[] = { "key", "seed", "ohash", "ihash", 0 }; | |
942 | ||
943 | if (!PyArg_ParseTupleAndKeywords(arg, kw, "s#s#|O&O&:new", kwlist, | |
944 | &k, &ksz, &s, &ssz, | |
945 | convgchash, &hco, convgchash, &hci)) | |
946 | goto end; | |
947 | rc = grand_dopywrap(ty, sslprf_rand(hco, hci, k, ksz, s, ssz), f_freeme); | |
948 | end: | |
949 | return (rc); | |
950 | } | |
951 | ||
952 | static PyObject *tlsdx_pynew(PyTypeObject *ty, PyObject *arg, PyObject *kw) | |
953 | { | |
954 | char *k, *s; | |
955 | int ksz, ssz; | |
956 | const gcmac *mc = &sha_hmac; | |
957 | PyObject *rc = 0; | |
958 | char *kwlist[] = { "key", "seed", "mac", 0 }; | |
959 | ||
960 | if (!PyArg_ParseTupleAndKeywords(arg, kw, "s#s#|O&:new", kwlist, | |
961 | &k, &ksz, &s, &ssz, | |
962 | convgcmac, &mc)) | |
963 | goto end; | |
964 | rc = grand_dopywrap(ty, tlsdx_rand(mc, k, ksz, s, ssz), f_freeme); | |
965 | end: | |
966 | return (rc); | |
967 | } | |
968 | ||
969 | static PyObject *tlsprf_pynew(PyTypeObject *ty, PyObject *arg, PyObject *kw) | |
970 | { | |
971 | char *k, *s; | |
972 | int ksz, ssz; | |
973 | const gcmac *mcl = &md5_hmac, *mcr = &sha_hmac; | |
974 | PyObject *rc = 0; | |
975 | char *kwlist[] = { "key", "seed", "lmac", "rmac", 0 }; | |
976 | ||
977 | if (!PyArg_ParseTupleAndKeywords(arg, kw, "s#s#|O&O&:new", kwlist, | |
978 | &k, &ksz, &s, &ssz, | |
979 | convgcmac, &mcl, convgcmac, &mcr)) | |
980 | goto end; | |
981 | rc = grand_dopywrap(ty, tlsprf_rand(mcl, mcr, k, ksz, s, ssz), f_freeme); | |
982 | end: | |
983 | return (rc); | |
984 | } | |
985 | ||
986 | static PyTypeObject sslprf_pytype_skel = { | |
6d4db0bf | 987 | PyObject_HEAD_INIT(0) 0, /* Header */ |
c461c9b3 | 988 | "SSLRand", /* @tp_name@ */ |
d7ab1bab | 989 | sizeof(grand_pyobj), /* @tp_basicsize@ */ |
990 | 0, /* @tp_itemsize@ */ | |
991 | ||
992 | grand_pydealloc, /* @tp_dealloc@ */ | |
993 | 0, /* @tp_print@ */ | |
994 | 0, /* @tp_getattr@ */ | |
995 | 0, /* @tp_setattr@ */ | |
996 | 0, /* @tp_compare@ */ | |
997 | 0, /* @tp_repr@ */ | |
998 | 0, /* @tp_as_number@ */ | |
999 | 0, /* @tp_as_sequence@ */ | |
1000 | 0, /* @tp_as_mapping@ */ | |
1001 | 0, /* @tp_hash@ */ | |
1002 | 0, /* @tp_call@ */ | |
1003 | 0, /* @tp_str@ */ | |
1004 | 0, /* @tp_getattro@ */ | |
1005 | 0, /* @tp_setattro@ */ | |
1006 | 0, /* @tp_as_buffer@ */ | |
1007 | Py_TPFLAGS_DEFAULT | /* @tp_flags@ */ | |
1008 | Py_TPFLAGS_BASETYPE, | |
1009 | ||
1010 | /* @tp_doc@ */ | |
1011 | "Random number generator for SSL master secret.", | |
1012 | ||
1013 | 0, /* @tp_traverse@ */ | |
1014 | 0, /* @tp_clear@ */ | |
1015 | 0, /* @tp_richcompare@ */ | |
1016 | 0, /* @tp_weaklistoffset@ */ | |
1017 | 0, /* @tp_iter@ */ | |
963a6148 | 1018 | 0, /* @tp_iternext@ */ |
d7ab1bab | 1019 | 0, /* @tp_methods@ */ |
1020 | 0, /* @tp_members@ */ | |
1021 | 0, /* @tp_getset@ */ | |
1022 | 0, /* @tp_base@ */ | |
1023 | 0, /* @tp_dict@ */ | |
1024 | 0, /* @tp_descr_get@ */ | |
1025 | 0, /* @tp_descr_set@ */ | |
1026 | 0, /* @tp_dictoffset@ */ | |
1027 | 0, /* @tp_init@ */ | |
1028 | PyType_GenericAlloc, /* @tp_alloc@ */ | |
1029 | sslprf_pynew, /* @tp_new@ */ | |
3aa33042 | 1030 | 0, /* @tp_free@ */ |
d7ab1bab | 1031 | 0 /* @tp_is_gc@ */ |
1032 | }; | |
1033 | ||
1034 | static PyTypeObject tlsdx_pytype_skel = { | |
6d4db0bf | 1035 | PyObject_HEAD_INIT(0) 0, /* Header */ |
c461c9b3 | 1036 | "TLSDataExpansion", /* @tp_name@ */ |
d7ab1bab | 1037 | sizeof(grand_pyobj), /* @tp_basicsize@ */ |
1038 | 0, /* @tp_itemsize@ */ | |
1039 | ||
1040 | grand_pydealloc, /* @tp_dealloc@ */ | |
1041 | 0, /* @tp_print@ */ | |
1042 | 0, /* @tp_getattr@ */ | |
1043 | 0, /* @tp_setattr@ */ | |
1044 | 0, /* @tp_compare@ */ | |
1045 | 0, /* @tp_repr@ */ | |
1046 | 0, /* @tp_as_number@ */ | |
1047 | 0, /* @tp_as_sequence@ */ | |
1048 | 0, /* @tp_as_mapping@ */ | |
1049 | 0, /* @tp_hash@ */ | |
1050 | 0, /* @tp_call@ */ | |
1051 | 0, /* @tp_str@ */ | |
1052 | 0, /* @tp_getattro@ */ | |
1053 | 0, /* @tp_setattro@ */ | |
1054 | 0, /* @tp_as_buffer@ */ | |
1055 | Py_TPFLAGS_DEFAULT | /* @tp_flags@ */ | |
1056 | Py_TPFLAGS_BASETYPE, | |
1057 | ||
1058 | /* @tp_doc@ */ | |
1059 | "TLS data expansion function.", | |
1060 | ||
1061 | 0, /* @tp_traverse@ */ | |
1062 | 0, /* @tp_clear@ */ | |
1063 | 0, /* @tp_richcompare@ */ | |
1064 | 0, /* @tp_weaklistoffset@ */ | |
1065 | 0, /* @tp_iter@ */ | |
963a6148 | 1066 | 0, /* @tp_iternext@ */ |
d7ab1bab | 1067 | 0, /* @tp_methods@ */ |
1068 | 0, /* @tp_members@ */ | |
1069 | 0, /* @tp_getset@ */ | |
1070 | 0, /* @tp_base@ */ | |
1071 | 0, /* @tp_dict@ */ | |
1072 | 0, /* @tp_descr_get@ */ | |
1073 | 0, /* @tp_descr_set@ */ | |
1074 | 0, /* @tp_dictoffset@ */ | |
1075 | 0, /* @tp_init@ */ | |
1076 | PyType_GenericAlloc, /* @tp_alloc@ */ | |
1077 | tlsdx_pynew, /* @tp_new@ */ | |
3aa33042 | 1078 | 0, /* @tp_free@ */ |
d7ab1bab | 1079 | 0 /* @tp_is_gc@ */ |
1080 | }; | |
1081 | ||
1082 | static PyTypeObject tlsprf_pytype_skel = { | |
6d4db0bf | 1083 | PyObject_HEAD_INIT(0) 0, /* Header */ |
c461c9b3 | 1084 | "TLSPRF", /* @tp_name@ */ |
d7ab1bab | 1085 | sizeof(grand_pyobj), /* @tp_basicsize@ */ |
1086 | 0, /* @tp_itemsize@ */ | |
1087 | ||
1088 | grand_pydealloc, /* @tp_dealloc@ */ | |
1089 | 0, /* @tp_print@ */ | |
1090 | 0, /* @tp_getattr@ */ | |
1091 | 0, /* @tp_setattr@ */ | |
1092 | 0, /* @tp_compare@ */ | |
1093 | 0, /* @tp_repr@ */ | |
1094 | 0, /* @tp_as_number@ */ | |
1095 | 0, /* @tp_as_sequence@ */ | |
1096 | 0, /* @tp_as_mapping@ */ | |
1097 | 0, /* @tp_hash@ */ | |
1098 | 0, /* @tp_call@ */ | |
1099 | 0, /* @tp_str@ */ | |
1100 | 0, /* @tp_getattro@ */ | |
1101 | 0, /* @tp_setattro@ */ | |
1102 | 0, /* @tp_as_buffer@ */ | |
1103 | Py_TPFLAGS_DEFAULT | /* @tp_flags@ */ | |
1104 | Py_TPFLAGS_BASETYPE, | |
1105 | ||
1106 | /* @tp_doc@ */ | |
1107 | "TLS pseudorandom function.", | |
1108 | ||
1109 | 0, /* @tp_traverse@ */ | |
1110 | 0, /* @tp_clear@ */ | |
1111 | 0, /* @tp_richcompare@ */ | |
1112 | 0, /* @tp_weaklistoffset@ */ | |
1113 | 0, /* @tp_iter@ */ | |
963a6148 | 1114 | 0, /* @tp_iternext@ */ |
d7ab1bab | 1115 | 0, /* @tp_methods@ */ |
1116 | 0, /* @tp_members@ */ | |
1117 | 0, /* @tp_getset@ */ | |
1118 | 0, /* @tp_base@ */ | |
1119 | 0, /* @tp_dict@ */ | |
1120 | 0, /* @tp_descr_get@ */ | |
1121 | 0, /* @tp_descr_set@ */ | |
1122 | 0, /* @tp_dictoffset@ */ | |
1123 | 0, /* @tp_init@ */ | |
1124 | PyType_GenericAlloc, /* @tp_alloc@ */ | |
1125 | tlsprf_pynew, /* @tp_new@ */ | |
3aa33042 | 1126 | 0, /* @tp_free@ */ |
d7ab1bab | 1127 | 0 /* @tp_is_gc@ */ |
1128 | }; | |
1129 | ||
1130 | /*----- DSA generator -----------------------------------------------------*/ | |
1131 | ||
1132 | static PyObject *dsarand_pynew(PyTypeObject *ty, PyObject *arg, PyObject *kw) | |
1133 | { | |
1134 | char *p; | |
1135 | int sz; | |
1136 | PyObject *rc = 0; | |
1137 | char *kwlist[] = { "seed", 0 }; | |
1138 | ||
1139 | if (!PyArg_ParseTupleAndKeywords(arg, kw, "s#:new", kwlist, &p, &sz)) | |
1140 | goto end; | |
1141 | rc = grand_dopywrap(ty, dsarand_create(p, sz), f_freeme); | |
1142 | end: | |
98963817 | 1143 | return (rc); |
d7ab1bab | 1144 | } |
1145 | ||
1146 | static PyObject *drget_seed(PyObject *me, void *hunoz) | |
1147 | { | |
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)); | |
1152 | return (rc); | |
1153 | } | |
1154 | ||
1155 | static PyGetSetDef dsarand_pygetset[] = { | |
1156 | #define GETSETNAME(op, name) dr##op##_##name | |
1157 | GET (seed, "R.seed -> current generator seed") | |
1158 | #undef GETSETNAME | |
1159 | { 0 } | |
1160 | }; | |
1161 | ||
1162 | static PyTypeObject dsarand_pytype_skel = { | |
6d4db0bf | 1163 | PyObject_HEAD_INIT(0) 0, /* Header */ |
c461c9b3 | 1164 | "DSARand", /* @tp_name@ */ |
d7ab1bab | 1165 | sizeof(grand_pyobj), /* @tp_basicsize@ */ |
1166 | 0, /* @tp_itemsize@ */ | |
1167 | ||
1168 | grand_pydealloc, /* @tp_dealloc@ */ | |
1169 | 0, /* @tp_print@ */ | |
1170 | 0, /* @tp_getattr@ */ | |
1171 | 0, /* @tp_setattr@ */ | |
1172 | 0, /* @tp_compare@ */ | |
1173 | 0, /* @tp_repr@ */ | |
1174 | 0, /* @tp_as_number@ */ | |
1175 | 0, /* @tp_as_sequence@ */ | |
1176 | 0, /* @tp_as_mapping@ */ | |
1177 | 0, /* @tp_hash@ */ | |
1178 | 0, /* @tp_call@ */ | |
1179 | 0, /* @tp_str@ */ | |
1180 | 0, /* @tp_getattro@ */ | |
1181 | 0, /* @tp_setattro@ */ | |
1182 | 0, /* @tp_as_buffer@ */ | |
1183 | Py_TPFLAGS_DEFAULT | /* @tp_flags@ */ | |
1184 | Py_TPFLAGS_BASETYPE, | |
1185 | ||
1186 | /* @tp_doc@ */ | |
1187 | "Pseudorandom number generator for constructing DSA parameters.", | |
1188 | ||
1189 | 0, /* @tp_traverse@ */ | |
1190 | 0, /* @tp_clear@ */ | |
1191 | 0, /* @tp_richcompare@ */ | |
1192 | 0, /* @tp_weaklistoffset@ */ | |
1193 | 0, /* @tp_iter@ */ | |
963a6148 | 1194 | 0, /* @tp_iternext@ */ |
d7ab1bab | 1195 | 0, /* @tp_methods@ */ |
1196 | 0, /* @tp_members@ */ | |
1197 | dsarand_pygetset, /* @tp_getset@ */ | |
1198 | 0, /* @tp_base@ */ | |
1199 | 0, /* @tp_dict@ */ | |
1200 | 0, /* @tp_descr_get@ */ | |
1201 | 0, /* @tp_descr_set@ */ | |
1202 | 0, /* @tp_dictoffset@ */ | |
1203 | 0, /* @tp_init@ */ | |
1204 | PyType_GenericAlloc, /* @tp_alloc@ */ | |
1205 | dsarand_pynew, /* @tp_new@ */ | |
3aa33042 | 1206 | 0, /* @tp_free@ */ |
d7ab1bab | 1207 | 0 /* @tp_is_gc@ */ |
1208 | }; | |
1209 | ||
1210 | /*----- Blum-Blum-Shub generator ------------------------------------------*/ | |
1211 | ||
1212 | static PyObject *bbs_pynew(PyTypeObject *ty, PyObject *arg, PyObject *kw) | |
1213 | { | |
1214 | mp *n = 0, *x = MP_TWO; | |
1215 | PyObject *rc = 0; | |
1216 | char *kwlist[] = { "n", "x", 0 }; | |
1217 | ||
1218 | if (!PyArg_ParseTupleAndKeywords(arg, kw, "O&|O&:new", kwlist, | |
1219 | convmp, &n, convmp, &x)) | |
1220 | goto end; | |
1221 | rc = grand_dopywrap(ty, bbs_rand(n, x), f_freeme); | |
1222 | end: | |
1223 | mp_drop(n); | |
1224 | mp_drop(x); | |
1225 | return (rc); | |
1226 | } | |
1227 | ||
1228 | static PyObject *bbsmeth_step(PyObject *me, PyObject *arg) | |
1229 | { | |
1230 | grand *r = GRAND_R(me); if (!PyArg_ParseTuple(arg, ":step")) return (0); | |
1231 | r->ops->misc(r, BBS_STEP); RETURN_ME; | |
1232 | } | |
1233 | ||
1234 | static PyObject *bbsmeth_bits(PyObject *me, PyObject *arg) | |
1235 | { | |
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"); | |
fbca05a1 | 1239 | r->ops->misc(r, BBS_BITS, n, &w); return (getulong(w)); |
d7ab1bab | 1240 | end: |
1241 | return (0); | |
1242 | } | |
1243 | ||
1244 | static PyObject *bbsmeth_wrap(PyObject *me, PyObject *arg) | |
1245 | { | |
1246 | grand *r = GRAND_R(me); if (!PyArg_ParseTuple(arg, ":wrap")) return (0); | |
1247 | r->ops->misc(r, BBS_WRAP); RETURN_ME; | |
1248 | } | |
1249 | ||
1250 | static PyObject *bbsget_n(PyObject *me, void *hunoz) | |
1251 | { | |
1252 | mp *x = MP_NEW; grand *r = GRAND_R(me); | |
1253 | r->ops->misc(r, BBS_MOD, &x); return (mp_pywrap(x)); | |
1254 | } | |
1255 | ||
1256 | static PyObject *bbsget_x(PyObject *me, void *hunoz) | |
1257 | { | |
1258 | mp *x = MP_NEW; grand *r = GRAND_R(me); | |
1259 | r->ops->misc(r, BBS_STATE, &x); return (mp_pywrap(x)); | |
1260 | } | |
1261 | ||
1262 | static int bbsset_x(PyObject *me, PyObject *val, void *hunoz) | |
1263 | { | |
03e1fedf | 1264 | mp *x = 0; grand *r = GRAND_R(me); int rc = -1; if (!val) NIERR("__del__"); |
d7ab1bab | 1265 | if ((x = getmp(val)) == 0) goto end; r->ops->misc(r, BBS_SET, x); rc = 0; |
1266 | end: mp_drop(x); return (rc); | |
1267 | } | |
1268 | ||
1269 | static PyObject *bbsget_stepsz(PyObject *me, void *hunoz) | |
1270 | { | |
1271 | grand *r = GRAND_R(me); | |
1272 | return (PyInt_FromLong(r->ops->misc(r, BBS_STEPSZ))); | |
1273 | } | |
1274 | ||
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") | |
1280 | #undef METHNAME | |
1281 | { 0 } | |
1282 | }; | |
1283 | ||
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") | |
1289 | #undef GETSETNAME | |
1290 | { 0 } | |
1291 | }; | |
1292 | ||
1293 | static PyTypeObject bbs_pytype_skel = { | |
6d4db0bf | 1294 | PyObject_HEAD_INIT(0) 0, /* Header */ |
c461c9b3 | 1295 | "BlumBlumShub", /* @tp_name@ */ |
d7ab1bab | 1296 | sizeof(grand_pyobj), /* @tp_basicsize@ */ |
1297 | 0, /* @tp_itemsize@ */ | |
1298 | ||
1299 | grand_pydealloc, /* @tp_dealloc@ */ | |
1300 | 0, /* @tp_print@ */ | |
1301 | 0, /* @tp_getattr@ */ | |
1302 | 0, /* @tp_setattr@ */ | |
1303 | 0, /* @tp_compare@ */ | |
1304 | 0, /* @tp_repr@ */ | |
1305 | 0, /* @tp_as_number@ */ | |
1306 | 0, /* @tp_as_sequence@ */ | |
1307 | 0, /* @tp_as_mapping@ */ | |
1308 | 0, /* @tp_hash@ */ | |
1309 | 0, /* @tp_call@ */ | |
1310 | 0, /* @tp_str@ */ | |
1311 | 0, /* @tp_getattro@ */ | |
1312 | 0, /* @tp_setattro@ */ | |
1313 | 0, /* @tp_as_buffer@ */ | |
1314 | Py_TPFLAGS_DEFAULT | /* @tp_flags@ */ | |
1315 | Py_TPFLAGS_BASETYPE, | |
1316 | ||
1317 | /* @tp_doc@ */ | |
1318 | "Blum-Blum-Shub strong pseudorandom number generator.", | |
1319 | ||
1320 | 0, /* @tp_traverse@ */ | |
1321 | 0, /* @tp_clear@ */ | |
1322 | 0, /* @tp_richcompare@ */ | |
1323 | 0, /* @tp_weaklistoffset@ */ | |
1324 | 0, /* @tp_iter@ */ | |
963a6148 | 1325 | 0, /* @tp_iternext@ */ |
d7ab1bab | 1326 | bbs_pymethods, /* @tp_methods@ */ |
1327 | 0, /* @tp_members@ */ | |
1328 | bbs_pygetset, /* @tp_getset@ */ | |
1329 | 0, /* @tp_base@ */ | |
1330 | 0, /* @tp_dict@ */ | |
1331 | 0, /* @tp_descr_get@ */ | |
1332 | 0, /* @tp_descr_set@ */ | |
1333 | 0, /* @tp_dictoffset@ */ | |
1334 | 0, /* @tp_init@ */ | |
1335 | PyType_GenericAlloc, /* @tp_alloc@ */ | |
1336 | bbs_pynew, /* @tp_new@ */ | |
3aa33042 | 1337 | 0, /* @tp_free@ */ |
d7ab1bab | 1338 | 0 /* @tp_is_gc@ */ |
1339 | }; | |
1340 | ||
1341 | typedef struct bbspriv_pyobj { | |
1342 | grand_pyobj gr; | |
1343 | bbs_priv bp; | |
1344 | } bbspriv_pyobj; | |
1345 | ||
1346 | #define BBSPRIV_BP(o) (&((bbspriv_pyobj *)(o))->bp) | |
1347 | ||
1348 | static PyObject *bbspriv_pynew(PyTypeObject *ty, | |
1349 | PyObject *arg, PyObject *kw) | |
1350 | { | |
1351 | mp *p = 0, *q = 0, *n = 0, *x = MP_TWO; | |
1352 | bbspriv_pyobj *rc = 0; | |
1353 | char *kwlist[] = { "n", "p", "q", "seed", 0 }; | |
1354 | ||
1355 | if (!PyArg_ParseTupleAndKeywords(arg, kw, "|O&O&O&O&:new", kwlist, | |
1356 | convmp, &n, convmp, &p, convmp, &q, | |
1357 | convmp, &x)) | |
1358 | goto end; | |
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); | |
1369 | end: | |
1370 | mp_drop(p); mp_drop(q); mp_drop(n); mp_drop(x); | |
1371 | return ((PyObject *)rc); | |
1372 | } | |
1373 | ||
1374 | static PyObject *meth__BBSPriv_generate(PyObject *me, | |
1375 | PyObject *arg, PyObject *kw) | |
1376 | { | |
1377 | bbs_priv bp = { 0 }; | |
1378 | mp *x = MP_TWO; | |
930d78e3 MW |
1379 | struct excinfo exc = EXCINFO_INIT; |
1380 | pypgev evt = { { 0 } }; | |
d7ab1bab | 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; | |
1385 | ||
930d78e3 | 1386 | evt.exc = &exc; |
d7ab1bab | 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)) | |
1390 | goto end; | |
930d78e3 MW |
1391 | if (bbs_gen(&bp, nbits, r, n, evt.ev.proc, evt.ev.ctx)) |
1392 | PGENERR(&exc); | |
d7ab1bab | 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); | |
1399 | end: | |
1400 | mp_drop(bp.p); mp_drop(bp.q); mp_drop(bp.n); mp_drop(x); | |
b2687a0a | 1401 | return ((PyObject *)rc); |
d7ab1bab | 1402 | } |
1403 | ||
1404 | static void bbspriv_pydealloc(PyObject *me) | |
1405 | { | |
1406 | bbs_priv *bp = BBSPRIV_BP(me); | |
1407 | mp_drop(bp->n); | |
1408 | mp_drop(bp->p); | |
1409 | mp_drop(bp->q); | |
1410 | grand_pydealloc(me); | |
1411 | } | |
1412 | ||
1413 | static PyObject *bpmeth_ff(PyObject *me, PyObject *arg) | |
1414 | { | |
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; | |
1418 | } | |
1419 | ||
1420 | static PyObject *bpmeth_rew(PyObject *me, PyObject *arg) | |
1421 | { | |
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; | |
1425 | } | |
1426 | ||
1427 | static PyObject *bpget_n(PyObject *me, void *hunoz) | |
1428 | { return (mp_pywrap(MP_COPY(BBSPRIV_BP(me)->n))); } | |
1429 | ||
1430 | static PyObject *bpget_p(PyObject *me, void *hunoz) | |
1431 | { return (mp_pywrap(MP_COPY(BBSPRIV_BP(me)->p))); } | |
1432 | ||
1433 | static PyObject *bpget_q(PyObject *me, void *hunoz) | |
1434 | { return (mp_pywrap(MP_COPY(BBSPRIV_BP(me)->q))); } | |
1435 | ||
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") | |
1440 | #undef METHNAME | |
1441 | { 0 } | |
1442 | }; | |
1443 | ||
1444 | static PyGetSetDef bbspriv_pygetset[] = { | |
1445 | #define GETSETNAME(op, name) bp##op##_##name | |
b2687a0a MW |
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") | |
d7ab1bab | 1449 | #undef GETSETNAME |
1450 | { 0 } | |
1451 | }; | |
1452 | ||
1453 | static PyTypeObject bbspriv_pytype_skel = { | |
6d4db0bf | 1454 | PyObject_HEAD_INIT(0) 0, /* Header */ |
c461c9b3 | 1455 | "BBSPriv", /* @tp_name@ */ |
d7ab1bab | 1456 | sizeof(bbspriv_pyobj), /* @tp_basicsize@ */ |
1457 | 0, /* @tp_itemsize@ */ | |
1458 | ||
1459 | bbspriv_pydealloc, /* @tp_dealloc@ */ | |
1460 | 0, /* @tp_print@ */ | |
1461 | 0, /* @tp_getattr@ */ | |
1462 | 0, /* @tp_setattr@ */ | |
1463 | 0, /* @tp_compare@ */ | |
1464 | 0, /* @tp_repr@ */ | |
1465 | 0, /* @tp_as_number@ */ | |
1466 | 0, /* @tp_as_sequence@ */ | |
1467 | 0, /* @tp_as_mapping@ */ | |
1468 | 0, /* @tp_hash@ */ | |
1469 | 0, /* @tp_call@ */ | |
1470 | 0, /* @tp_str@ */ | |
1471 | 0, /* @tp_getattro@ */ | |
1472 | 0, /* @tp_setattro@ */ | |
1473 | 0, /* @tp_as_buffer@ */ | |
1474 | Py_TPFLAGS_DEFAULT | /* @tp_flags@ */ | |
1475 | Py_TPFLAGS_BASETYPE, | |
1476 | ||
1477 | /* @tp_doc@ */ | |
1478 | "Blum-Blum-Shub strong pseudorandom generator, with private key.", | |
1479 | ||
1480 | 0, /* @tp_traverse@ */ | |
1481 | 0, /* @tp_clear@ */ | |
1482 | 0, /* @tp_richcompare@ */ | |
1483 | 0, /* @tp_weaklistoffset@ */ | |
1484 | 0, /* @tp_iter@ */ | |
963a6148 | 1485 | 0, /* @tp_iternext@ */ |
d7ab1bab | 1486 | bbspriv_pymethods, /* @tp_methods@ */ |
1487 | 0, /* @tp_members@ */ | |
1488 | bbspriv_pygetset, /* @tp_getset@ */ | |
1489 | 0, /* @tp_base@ */ | |
1490 | 0, /* @tp_dict@ */ | |
1491 | 0, /* @tp_descr_get@ */ | |
1492 | 0, /* @tp_descr_set@ */ | |
1493 | 0, /* @tp_dictoffset@ */ | |
1494 | 0, /* @tp_init@ */ | |
1495 | PyType_GenericAlloc, /* @tp_alloc@ */ | |
1496 | bbspriv_pynew, /* @tp_new@ */ | |
3aa33042 | 1497 | 0, /* @tp_free@ */ |
d7ab1bab | 1498 | 0 /* @tp_is_gc@ */ |
1499 | }; | |
1500 | ||
1501 | /*----- Global stuff ------------------------------------------------------*/ | |
1502 | ||
1503 | static PyMethodDef methods[] = { | |
1504 | #define METHNAME(name) meth_##name | |
1505 | KWMETH(_BBSPriv_generate, "\ | |
1df8d5fe | 1506 | generate(NBITS, [event = pgen_nullev], [rng = rand],\n\ |
67ac03c9 | 1507 | [nsteps = 0], [seed = 2]) -> R") |
d7ab1bab | 1508 | #undef METHNAME |
1509 | { 0 } | |
1510 | }; | |
1511 | ||
1512 | void rand_pyinit(void) | |
1513 | { | |
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); | |
850a4b48 MW |
1524 | INITTYPE(gccrand, type); |
1525 | INITTYPE(gcrand, grand); | |
35e5469a | 1526 | INITTYPE(gclatinrand, gcrand); |
d7ab1bab | 1527 | rand_noisesrc(RAND_GLOBAL, &noise_source); |
1528 | rand_seed(RAND_GLOBAL, 160); | |
1529 | addmethods(methods); | |
1530 | } | |
1531 | ||
850a4b48 MW |
1532 | #define gccrand gccrand_info |
1533 | GEN(gccrands, crand) | |
1534 | ||
d7ab1bab | 1535 | void rand_pyinsert(PyObject *mod) |
1536 | { | |
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); | |
850a4b48 MW |
1547 | INSERT("GCCRand", gccrand_pytype); |
1548 | INSERT("GCRand", gcrand_pytype); | |
35e5469a | 1549 | INSERT("GCLatinRand", gclatinrand_pytype); |
d7ab1bab | 1550 | rand_pyobj = grand_pywrap(&rand_global, 0); Py_INCREF(rand_pyobj); |
850a4b48 MW |
1551 | gccrands_dict = gccrands(); Py_INCREF(gccrands_dict); |
1552 | INSERT("gccrands", gccrands_dict); | |
d7ab1bab | 1553 | INSERT("rand", rand_pyobj); |
1554 | } | |
1555 | ||
1556 | /*----- That's all, folks -------------------------------------------------*/ |