Commit | Line | Data |
---|---|---|
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 | ||
72 | static PyObject *grmeth_byte(PyObject *me, PyObject *arg) | |
73 | { | |
74 | if (!PyArg_ParseTuple(arg, ":byte")) return (0); | |
75 | return (PyInt_FromLong(grand_byte(GRAND_R(me)))); | |
76 | } | |
77 | ||
78 | static PyObject *grmeth_word(PyObject *me, PyObject *arg) | |
79 | { | |
80 | if (!PyArg_ParseTuple(arg, ":word")) return (0); | |
fbca05a1 | 81 | return (getulong(grand_word(GRAND_R(me)))); |
d7ab1bab | 82 | } |
83 | ||
84 | static PyObject *grmeth_range(PyObject *me, PyObject *arg) | |
85 | { | |
86 | PyObject *m; | |
87 | mp *x = 0; | |
88 | mp *y = 0; | |
89 | ||
90 | if (!PyArg_ParseTuple(arg, "O:range", &m)) return (0); | |
91 | if (PyInt_Check(m)) { | |
92 | long mm = PyInt_AS_LONG(m); | |
cb08602a MW |
93 | if (mm <= 0) |
94 | goto notpos; | |
d7ab1bab | 95 | if (mm <= 0xffffffff) |
96 | return (PyInt_FromLong(grand_range(GRAND_R(me), mm))); | |
97 | } | |
98 | if ((x = getmp(m)) == 0) | |
99 | goto end; | |
cb08602a MW |
100 | if (!MP_POSP(x)) |
101 | goto notpos; | |
d7ab1bab | 102 | y = mprand_range(MP_NEW, x, GRAND_R(me), 0); |
103 | MP_DROP(x); | |
104 | return (mp_pywrap(y)); | |
cb08602a MW |
105 | notpos: |
106 | VALERR("range must be strictly positive"); | |
d7ab1bab | 107 | end: |
108 | if (x) MP_DROP(x); | |
109 | return (0); | |
110 | } | |
111 | ||
112 | static PyObject *grmeth_mp(PyObject *me, PyObject *arg, PyObject *kw) | |
113 | { | |
114 | size_t l; | |
cb08602a | 115 | mpw o = 0; |
d7ab1bab | 116 | char *kwlist[] = { "bits", "or", 0 }; |
117 | ||
118 | if (!PyArg_ParseTupleAndKeywords(arg, kw, "O&|O&:mp", kwlist, | |
119 | convszt, &l, convmpw, &o)) | |
120 | goto end; | |
cb08602a | 121 | if (l < MPW_BITS && (o >> l)) VALERR("or mask too large"); |
d7ab1bab | 122 | return (mp_pywrap(mprand(MP_NEW, l, GRAND_R(me), o))); |
123 | end: | |
124 | return (0); | |
125 | } | |
126 | ||
127 | static PyObject *grmeth_block(PyObject *me, PyObject *arg) | |
128 | { | |
129 | unsigned long n; | |
130 | PyObject *rc = 0; | |
131 | ||
132 | if (!PyArg_ParseTuple(arg, "O&:block", convulong, &n)) goto end; | |
133 | rc = bytestring_pywrap(0, n); | |
134 | grand_fill(GRAND_R(me), PyString_AS_STRING(rc), n); | |
135 | end: | |
136 | return (rc); | |
137 | } | |
138 | ||
139 | static int checkop(grand *r, unsigned op, const char *what) | |
140 | { | |
141 | if (r->ops->misc(r, GRAND_CHECK, op)) | |
142 | return (0); | |
143 | PyErr_Format(PyExc_TypeError, "operation %s not supported", what); | |
144 | return (-1); | |
145 | } | |
146 | ||
147 | static PyObject *grmeth_seedint(PyObject *me, PyObject *arg) | |
148 | { | |
149 | int i; | |
150 | grand *r = GRAND_R(me); | |
151 | if (!PyArg_ParseTuple(arg, "i:seedint", &i) || | |
152 | checkop(r, GRAND_SEEDINT, "seedint")) | |
153 | goto end; | |
154 | r->ops->misc(r, GRAND_SEEDINT, i); | |
155 | RETURN_ME; | |
156 | end: | |
157 | return (0); | |
158 | } | |
159 | ||
160 | static PyObject *grmeth_seedword(PyObject *me, PyObject *arg) | |
161 | { | |
162 | uint32 u; | |
163 | grand *r = GRAND_R(me); | |
164 | if (!PyArg_ParseTuple(arg, "O&:seedword", convu32, &u) || | |
165 | checkop(r, GRAND_SEEDUINT32, "seedword")) | |
166 | goto end; | |
167 | r->ops->misc(r, GRAND_SEEDUINT32, u); | |
168 | RETURN_ME; | |
169 | end: | |
170 | return (0); | |
171 | } | |
172 | ||
173 | static PyObject *grmeth_seedblock(PyObject *me, PyObject *arg) | |
174 | { | |
175 | char *p; | |
6b54260d | 176 | Py_ssize_t n; |
d7ab1bab | 177 | grand *r = GRAND_R(me); |
178 | if (!PyArg_ParseTuple(arg, "s#:seedblock", &p, &n) || | |
179 | checkop(r, GRAND_SEEDBLOCK, "seedblock")) | |
180 | goto end; | |
181 | r->ops->misc(r, GRAND_SEEDBLOCK, p, (size_t)n); | |
182 | RETURN_ME; | |
183 | end: | |
184 | return (0); | |
185 | } | |
186 | ||
187 | static PyObject *grmeth_seedmp(PyObject *me, PyObject *arg) | |
188 | { | |
189 | PyObject *x; | |
190 | mp *xx; | |
191 | grand *r = GRAND_R(me); | |
192 | if (!PyArg_ParseTuple(arg, "O:seedmp", &x) || | |
193 | checkop(r, GRAND_SEEDMP, "seedmp") || | |
194 | (xx = getmp(x)) == 0) | |
195 | goto end; | |
196 | r->ops->misc(r, GRAND_SEEDMP, xx); | |
197 | MP_DROP(xx); | |
198 | RETURN_ME; | |
199 | end: | |
200 | return (0); | |
201 | } | |
202 | ||
203 | static PyObject *grmeth_seedrand(PyObject *me, PyObject *arg, PyObject *kw) | |
204 | { | |
205 | char *kwlist[] = { "rng", 0 }; | |
206 | grand *r = GRAND_R(me); | |
207 | grand *rr = &rand_global; | |
208 | if (!PyArg_ParseTupleAndKeywords(arg, kw, "|O&:seedrand", kwlist, | |
209 | convgrand, &rr) || | |
210 | checkop(r, GRAND_SEEDRAND, "seedrand")) | |
211 | goto end; | |
212 | r->ops->misc(r, GRAND_SEEDRAND, rr); | |
213 | RETURN_ME; | |
214 | end: | |
215 | return (0); | |
216 | } | |
217 | ||
218 | static PyObject *grmeth_mask(PyObject *me, PyObject *arg) | |
219 | { | |
220 | grand *r = GRAND_R(me); | |
221 | char *p, *q; | |
6b54260d | 222 | Py_ssize_t sz; |
d7ab1bab | 223 | PyObject *rc; |
224 | ||
225 | if (!PyArg_ParseTuple(arg, "s#:mask", &p, &sz)) return (0); | |
226 | rc = bytestring_pywrap(0, sz); | |
227 | q = PyString_AS_STRING(rc); | |
228 | GR_FILL(r, q, sz); | |
229 | while (sz--) *q++ ^= *p++; | |
230 | return (rc); | |
231 | } | |
232 | ||
233 | static void grand_pydealloc(PyObject *me) | |
234 | { | |
235 | grand_pyobj *g = (grand_pyobj *)me; | |
236 | if (g->f & f_freeme) | |
237 | GR_DESTROY(g->r); | |
3aa33042 | 238 | FREEOBJ(me); |
d7ab1bab | 239 | } |
240 | ||
241 | static PyObject *grget_name(PyObject *me, void *hunoz) | |
242 | { return (PyString_FromString(GRAND_R(me)->ops->name)); } | |
243 | ||
244 | static PyObject *grget_cryptop(PyObject *me, void *hunoz) | |
245 | { return (getbool(GRAND_R(me)->ops->f & GRAND_CRYPTO)); } | |
246 | ||
247 | static PyGetSetDef grand_pygetset[] = { | |
248 | #define GETSETNAME(op, name) gr##op##_##name | |
249 | GET (name, "R.name -> name of this kind of generator") | |
250 | GET (cryptop, "R.cryptop -> flag: cryptographically strong?") | |
251 | #undef GETSETNAME | |
252 | { 0 } | |
253 | }; | |
254 | ||
255 | static PyMethodDef grand_pymethods[] = { | |
256 | #define METHNAME(name) grmeth_##name | |
257 | METH (byte, "R.byte() -> BYTE") | |
258 | METH (word, "R.word() -> WORD") | |
259 | METH (block, "R.block(N) -> STRING") | |
986bcc44 | 260 | KWMETH(mp, "R.mp(bits, [or = 0]) -> MP") |
d7ab1bab | 261 | METH (range, "R.range(MAX) -> INT") |
262 | METH (mask, "R.mask(STR) -> STR") | |
263 | METH (seedint, "R.seedint(I)") | |
264 | METH (seedword, "R.seedword(I)") | |
265 | METH (seedblock, "R.seedblock(BYTES)") | |
266 | METH (seedmp, "R.seedmp(X)") | |
267 | KWMETH(seedrand, "R.seedrand(RR)") | |
268 | #undef METHNAME | |
269 | { 0 } | |
270 | }; | |
271 | ||
272 | static PyTypeObject grand_pytype_skel = { | |
6d4db0bf | 273 | PyObject_HEAD_INIT(0) 0, /* Header */ |
c461c9b3 | 274 | "GRand", /* @tp_name@ */ |
d7ab1bab | 275 | sizeof(grand_pyobj), /* @tp_basicsize@ */ |
276 | 0, /* @tp_itemsize@ */ | |
277 | ||
278 | grand_pydealloc, /* @tp_dealloc@ */ | |
279 | 0, /* @tp_print@ */ | |
280 | 0, /* @tp_getattr@ */ | |
281 | 0, /* @tp_setattr@ */ | |
282 | 0, /* @tp_compare@ */ | |
283 | 0, /* @tp_repr@ */ | |
284 | 0, /* @tp_as_number@ */ | |
285 | 0, /* @tp_as_sequence@ */ | |
286 | 0, /* @tp_as_mapping@ */ | |
287 | 0, /* @tp_hash@ */ | |
288 | 0, /* @tp_call@ */ | |
289 | 0, /* @tp_str@ */ | |
290 | 0, /* @tp_getattro@ */ | |
291 | 0, /* @tp_setattro@ */ | |
292 | 0, /* @tp_as_buffer@ */ | |
293 | Py_TPFLAGS_DEFAULT | /* @tp_flags@ */ | |
294 | Py_TPFLAGS_BASETYPE, | |
295 | ||
296 | /* @tp_doc@ */ | |
297 | "Generic random number source.", | |
298 | ||
299 | 0, /* @tp_traverse@ */ | |
300 | 0, /* @tp_clear@ */ | |
301 | 0, /* @tp_richcompare@ */ | |
302 | 0, /* @tp_weaklistoffset@ */ | |
303 | 0, /* @tp_iter@ */ | |
963a6148 | 304 | 0, /* @tp_iternext@ */ |
d7ab1bab | 305 | grand_pymethods, /* @tp_methods@ */ |
306 | 0, /* @tp_members@ */ | |
307 | grand_pygetset, /* @tp_getset@ */ | |
308 | 0, /* @tp_base@ */ | |
309 | 0, /* @tp_dict@ */ | |
310 | 0, /* @tp_descr_get@ */ | |
311 | 0, /* @tp_descr_set@ */ | |
312 | 0, /* @tp_dictoffset@ */ | |
313 | 0, /* @tp_init@ */ | |
314 | PyType_GenericAlloc, /* @tp_alloc@ */ | |
315 | abstract_pynew, /* @tp_new@ */ | |
3aa33042 | 316 | 0, /* @tp_free@ */ |
d7ab1bab | 317 | 0 /* @tp_is_gc@ */ |
318 | }; | |
319 | ||
320 | static PyObject *lcrand_pynew(PyTypeObject *me, PyObject *arg, PyObject *kw) | |
321 | { | |
322 | uint32 n = 0; | |
323 | char *kwlist[] = { "seed", 0 }; | |
324 | if (!PyArg_ParseTupleAndKeywords(arg, kw, "|O&:new", kwlist, convu32, &n)) | |
325 | return (0); | |
326 | return (grand_dopywrap(lcrand_pytype, lcrand_create(n), f_freeme)); | |
327 | } | |
328 | ||
329 | static PyTypeObject lcrand_pytype_skel = { | |
6d4db0bf | 330 | PyObject_HEAD_INIT(0) 0, /* Header */ |
c461c9b3 | 331 | "LCRand", /* @tp_name@ */ |
d7ab1bab | 332 | sizeof(grand_pyobj), /* @tp_basicsize@ */ |
333 | 0, /* @tp_itemsize@ */ | |
334 | ||
335 | grand_pydealloc, /* @tp_dealloc@ */ | |
336 | 0, /* @tp_print@ */ | |
337 | 0, /* @tp_getattr@ */ | |
338 | 0, /* @tp_setattr@ */ | |
339 | 0, /* @tp_compare@ */ | |
340 | 0, /* @tp_repr@ */ | |
341 | 0, /* @tp_as_number@ */ | |
342 | 0, /* @tp_as_sequence@ */ | |
343 | 0, /* @tp_as_mapping@ */ | |
344 | 0, /* @tp_hash@ */ | |
345 | 0, /* @tp_call@ */ | |
346 | 0, /* @tp_str@ */ | |
347 | 0, /* @tp_getattro@ */ | |
348 | 0, /* @tp_setattro@ */ | |
349 | 0, /* @tp_as_buffer@ */ | |
350 | Py_TPFLAGS_DEFAULT | /* @tp_flags@ */ | |
351 | Py_TPFLAGS_BASETYPE, | |
352 | ||
353 | /* @tp_doc@ */ | |
354 | "Linear congruential generator.", | |
355 | ||
356 | 0, /* @tp_traverse@ */ | |
357 | 0, /* @tp_clear@ */ | |
358 | 0, /* @tp_richcompare@ */ | |
359 | 0, /* @tp_weaklistoffset@ */ | |
360 | 0, /* @tp_iter@ */ | |
963a6148 | 361 | 0, /* @tp_iternext@ */ |
d7ab1bab | 362 | 0, /* @tp_methods@ */ |
363 | 0, /* @tp_members@ */ | |
364 | 0, /* @tp_getset@ */ | |
365 | 0, /* @tp_base@ */ | |
366 | 0, /* @tp_dict@ */ | |
367 | 0, /* @tp_descr_get@ */ | |
368 | 0, /* @tp_descr_set@ */ | |
369 | 0, /* @tp_dictoffset@ */ | |
370 | 0, /* @tp_init@ */ | |
371 | PyType_GenericAlloc, /* @tp_alloc@ */ | |
372 | lcrand_pynew, /* @tp_new@ */ | |
3aa33042 | 373 | 0, /* @tp_free@ */ |
d7ab1bab | 374 | 0 /* @tp_is_gc@ */ |
375 | }; | |
376 | ||
377 | static PyObject *fibrand_pynew(PyTypeObject *me, PyObject *arg, PyObject *kw) | |
378 | { | |
379 | uint32 n = 0; | |
380 | char *kwlist[] = { "seed", 0 }; | |
381 | if (!PyArg_ParseTupleAndKeywords(arg, kw, "|O&:new", kwlist, convu32, &n)) | |
382 | return (0); | |
383 | return (grand_dopywrap(fibrand_pytype, fibrand_create(n), f_freeme)); | |
384 | } | |
385 | ||
386 | static PyTypeObject fibrand_pytype_skel = { | |
6d4db0bf | 387 | PyObject_HEAD_INIT(0) 0, /* Header */ |
c461c9b3 | 388 | "FibRand", /* @tp_name@ */ |
d7ab1bab | 389 | sizeof(grand_pyobj), /* @tp_basicsize@ */ |
390 | 0, /* @tp_itemsize@ */ | |
391 | ||
392 | grand_pydealloc, /* @tp_dealloc@ */ | |
393 | 0, /* @tp_print@ */ | |
394 | 0, /* @tp_getattr@ */ | |
395 | 0, /* @tp_setattr@ */ | |
396 | 0, /* @tp_compare@ */ | |
397 | 0, /* @tp_repr@ */ | |
398 | 0, /* @tp_as_number@ */ | |
399 | 0, /* @tp_as_sequence@ */ | |
400 | 0, /* @tp_as_mapping@ */ | |
401 | 0, /* @tp_hash@ */ | |
402 | 0, /* @tp_call@ */ | |
403 | 0, /* @tp_str@ */ | |
404 | 0, /* @tp_getattro@ */ | |
405 | 0, /* @tp_setattro@ */ | |
406 | 0, /* @tp_as_buffer@ */ | |
407 | Py_TPFLAGS_DEFAULT | /* @tp_flags@ */ | |
408 | Py_TPFLAGS_BASETYPE, | |
409 | ||
410 | /* @tp_doc@ */ | |
411 | "Fibonacci generator.", | |
412 | ||
413 | 0, /* @tp_traverse@ */ | |
414 | 0, /* @tp_clear@ */ | |
415 | 0, /* @tp_richcompare@ */ | |
416 | 0, /* @tp_weaklistoffset@ */ | |
417 | 0, /* @tp_iter@ */ | |
963a6148 | 418 | 0, /* @tp_iternext@ */ |
d7ab1bab | 419 | 0, /* @tp_methods@ */ |
420 | 0, /* @tp_members@ */ | |
421 | 0, /* @tp_getset@ */ | |
422 | 0, /* @tp_base@ */ | |
423 | 0, /* @tp_dict@ */ | |
424 | 0, /* @tp_descr_get@ */ | |
425 | 0, /* @tp_descr_set@ */ | |
426 | 0, /* @tp_dictoffset@ */ | |
427 | 0, /* @tp_init@ */ | |
428 | PyType_GenericAlloc, /* @tp_alloc@ */ | |
429 | fibrand_pynew, /* @tp_new@ */ | |
3aa33042 | 430 | 0, /* @tp_free@ */ |
d7ab1bab | 431 | 0 /* @tp_is_gc@ */ |
432 | }; | |
433 | ||
434 | /*----- True random generator ---------------------------------------------*/ | |
435 | ||
436 | static PyObject *trmeth_gate(PyObject *me, PyObject *arg) | |
437 | { | |
438 | grand *r = GRAND_R(me); | |
439 | if (!PyArg_ParseTuple(arg, ":gate")) return (0); | |
440 | r->ops->misc(r, RAND_GATE); | |
441 | RETURN_ME; | |
442 | } | |
443 | ||
444 | static PyObject *trmeth_stretch(PyObject *me, PyObject *arg) | |
445 | { | |
446 | grand *r = GRAND_R(me); | |
447 | if (!PyArg_ParseTuple(arg, ":stretch")) return (0); | |
448 | r->ops->misc(r, RAND_STRETCH); | |
449 | RETURN_ME; | |
450 | } | |
451 | ||
850a4b48 MW |
452 | static PyObject *trmeth_add(PyObject *me, PyObject *arg) |
453 | { | |
454 | grand *r = GRAND_R(me); | |
6b54260d | 455 | char *p; Py_ssize_t n; unsigned goodbits; |
850a4b48 MW |
456 | if (!PyArg_ParseTuple(arg, "s#O&:add", &p, &n, convuint, &goodbits)) |
457 | return (0); | |
458 | r->ops->misc(r, RAND_ADD, p, (size_t)n, goodbits); | |
459 | RETURN_ME; | |
460 | } | |
461 | ||
d7ab1bab | 462 | static PyObject *trmeth_key(PyObject *me, PyObject *arg) |
463 | { | |
464 | grand *r = GRAND_R(me); | |
6b54260d | 465 | char *p; Py_ssize_t n; |
d7ab1bab | 466 | if (!PyArg_ParseTuple(arg, "s#:key", &p, &n)) return (0); |
850a4b48 | 467 | r->ops->misc(r, RAND_KEY, p, (size_t)n); |
d7ab1bab | 468 | RETURN_ME; |
469 | } | |
470 | ||
471 | static PyObject *trmeth_seed(PyObject *me, PyObject *arg) | |
472 | { | |
473 | grand *r = GRAND_R(me); | |
474 | unsigned u; | |
475 | if (!PyArg_ParseTuple(arg, "O&:seed", convuint, &u)) return (0); | |
476 | if (u > RAND_IBITS) VALERR("pointlessly large"); | |
477 | r->ops->misc(r, RAND_SEED, u); | |
478 | RETURN_ME; | |
479 | end: | |
480 | return (0); | |
481 | } | |
482 | ||
483 | static PyObject *trmeth_timer(PyObject *me, PyObject *arg) | |
484 | { | |
485 | grand *r = GRAND_R(me); | |
486 | if (!PyArg_ParseTuple(arg, ":timer")) return (0); | |
487 | r->ops->misc(r, RAND_TIMER); | |
488 | RETURN_ME; | |
489 | } | |
490 | ||
491 | static PyObject *truerand_pynew(PyTypeObject *ty, | |
492 | PyObject *arg, PyObject *kw) | |
493 | { | |
494 | char *kwlist[] = { 0 }; | |
495 | grand *r; | |
496 | PyObject *rc = 0; | |
497 | if (PyArg_ParseTupleAndKeywords(arg, kw, ":new", kwlist)) goto end; | |
498 | r = rand_create(); | |
499 | r->ops->misc(r, RAND_NOISESRC, &noise_source); | |
500 | r->ops->misc(r, RAND_SEED, 160); | |
501 | rc = grand_dopywrap(ty, r, f_freeme); | |
502 | end: | |
503 | return (rc); | |
504 | } | |
505 | ||
506 | static PyMethodDef truerand_pymethods[] = { | |
507 | #define METHNAME(name) trmeth_##name | |
508 | METH (gate, "R.gate()") | |
509 | METH (stretch, "R.stretch()") | |
510 | METH (key, "R.key(BYTES)") | |
511 | METH (seed, "R.seed(NBITS)") | |
850a4b48 | 512 | METH (add, "R.add(BYTES, GOODBITS") |
d7ab1bab | 513 | METH (timer, "R.timer()") |
514 | #undef METHNAME | |
515 | { 0 } | |
516 | }; | |
517 | ||
518 | static PyObject *trget_goodbits(PyObject *me, void *hunoz) | |
519 | { | |
520 | grand *r = GRAND_R(me); | |
521 | return (PyInt_FromLong(r->ops->misc(r, RAND_GOODBITS))); | |
522 | } | |
523 | ||
524 | static PyGetSetDef truerand_pygetset[] = { | |
525 | #define GETSETNAME(op, name) tr##op##_##name | |
b2687a0a | 526 | GET (goodbits, "R.goodbits -> good bits of entropy remaining") |
d7ab1bab | 527 | #undef GETSETNAME |
528 | { 0 } | |
529 | }; | |
530 | ||
531 | static PyTypeObject truerand_pytype_skel = { | |
6d4db0bf | 532 | PyObject_HEAD_INIT(0) 0, /* Header */ |
c461c9b3 | 533 | "TrueRand", /* @tp_name@ */ |
d7ab1bab | 534 | sizeof(grand_pyobj), /* @tp_basicsize@ */ |
535 | 0, /* @tp_itemsize@ */ | |
536 | ||
537 | grand_pydealloc, /* @tp_dealloc@ */ | |
538 | 0, /* @tp_print@ */ | |
539 | 0, /* @tp_getattr@ */ | |
540 | 0, /* @tp_setattr@ */ | |
541 | 0, /* @tp_compare@ */ | |
542 | 0, /* @tp_repr@ */ | |
543 | 0, /* @tp_as_number@ */ | |
544 | 0, /* @tp_as_sequence@ */ | |
545 | 0, /* @tp_as_mapping@ */ | |
546 | 0, /* @tp_hash@ */ | |
547 | 0, /* @tp_call@ */ | |
548 | 0, /* @tp_str@ */ | |
549 | 0, /* @tp_getattro@ */ | |
550 | 0, /* @tp_setattro@ */ | |
551 | 0, /* @tp_as_buffer@ */ | |
552 | Py_TPFLAGS_DEFAULT | /* @tp_flags@ */ | |
553 | Py_TPFLAGS_BASETYPE, | |
554 | ||
555 | /* @tp_doc@ */ | |
556 | "True random number source.", | |
557 | ||
558 | 0, /* @tp_traverse@ */ | |
559 | 0, /* @tp_clear@ */ | |
560 | 0, /* @tp_richcompare@ */ | |
561 | 0, /* @tp_weaklistoffset@ */ | |
562 | 0, /* @tp_iter@ */ | |
963a6148 | 563 | 0, /* @tp_iternext@ */ |
d7ab1bab | 564 | truerand_pymethods, /* @tp_methods@ */ |
565 | 0, /* @tp_members@ */ | |
566 | truerand_pygetset, /* @tp_getset@ */ | |
567 | 0, /* @tp_base@ */ | |
568 | 0, /* @tp_dict@ */ | |
569 | 0, /* @tp_descr_get@ */ | |
570 | 0, /* @tp_descr_set@ */ | |
571 | 0, /* @tp_dictoffset@ */ | |
572 | 0, /* @tp_init@ */ | |
573 | PyType_GenericAlloc, /* @tp_alloc@ */ | |
574 | truerand_pynew, /* @tp_new@ */ | |
3aa33042 | 575 | 0, /* @tp_free@ */ |
d7ab1bab | 576 | 0 /* @tp_is_gc@ */ |
577 | }; | |
578 | ||
850a4b48 MW |
579 | /*----- Generators from symmetric encryption algorithms -------------------*/ |
580 | ||
35e5469a | 581 | static PyTypeObject *gccrand_pytype, *gcrand_pytype, *gclatinrand_pytype; |
850a4b48 MW |
582 | |
583 | typedef grand *gcrand_func(const void *, size_t sz); | |
584 | typedef grand *gcirand_func(const void *, size_t sz, uint32); | |
3f4f64b8 | 585 | typedef grand *gcnrand_func(const void *, size_t sz, const void *); |
6bd22b53 MW |
586 | typedef grand *gcshakerand_func(const void *, size_t, |
587 | const void *, size_t, | |
588 | const void *, size_t); | |
589 | typedef grand *gcshafuncrand_func(const void *, size_t, | |
590 | const void *, size_t); | |
591 | typedef grand *gckmacrand_func(const void *, size_t, const void *, size_t); | |
850a4b48 MW |
592 | typedef struct gccrand_info { |
593 | const char *name; | |
594 | const octet *keysz; | |
595 | unsigned f; | |
3f4f64b8 | 596 | size_t noncesz; |
850a4b48 MW |
597 | gcrand_func *func; |
598 | } gccrand_info; | |
599 | ||
34825452 MW |
600 | #define RNGF_MASK 255u |
601 | ||
602 | enum { | |
603 | RNG_PLAIN = 0, | |
604 | RNG_SEAL, | |
605 | RNG_LATIN, | |
606 | RNG_SHAKE, | |
607 | RNG_KMAC | |
608 | }; | |
78f06cd3 | 609 | |
850a4b48 MW |
610 | typedef struct gccrand_pyobj { |
611 | PyHeapTypeObject ty; | |
612 | const gccrand_info *info; | |
613 | } gccrand_pyobj; | |
614 | #define GCCRAND_INFO(o) (((gccrand_pyobj *)(o))->info) | |
615 | ||
3f4f64b8 | 616 | #define GCCRAND_DEF(name, ksz, func, f, nsz) \ |
850a4b48 | 617 | static const gccrand_info func##_info = \ |
3f4f64b8 | 618 | { name, ksz, f, nsz, (gcrand_func *)func }; |
850a4b48 MW |
619 | RNGS(GCCRAND_DEF) |
620 | ||
621 | static const gccrand_info *const gcrandtab[] = { | |
3f4f64b8 | 622 | #define GCCRAND_ENTRY(name, ksz, func, f, nsz) &func##_info, |
850a4b48 MW |
623 | RNGS(GCCRAND_ENTRY) |
624 | 0 | |
625 | }; | |
626 | ||
627 | static PyObject *gcrand_pynew(PyTypeObject *ty, PyObject *arg, PyObject *kw) | |
628 | { | |
629 | const gccrand_info *info = GCCRAND_INFO(ty); | |
630 | static char *kwlist[] = { "key", 0 }; | |
631 | char *k; | |
6b54260d | 632 | Py_ssize_t n; |
850a4b48 MW |
633 | |
634 | if (!PyArg_ParseTupleAndKeywords(arg, kw, "s#:new", kwlist, &k, &n)) | |
635 | goto end; | |
636 | if (keysz(n, info->keysz) != n) VALERR("bad key length"); | |
637 | return (grand_dopywrap(ty, info->func(k, n), f_freeme)); | |
638 | end: | |
b2687a0a | 639 | return (0); |
850a4b48 MW |
640 | } |
641 | ||
642 | static PyObject *gcirand_pynew(PyTypeObject *ty, PyObject *arg, PyObject *kw) | |
643 | { | |
644 | const gccrand_info *info = GCCRAND_INFO(ty); | |
645 | uint32 i = 0; | |
646 | static char *kwlist[] = { "key", "i", 0 }; | |
647 | char *k; | |
6b54260d | 648 | Py_ssize_t n; |
850a4b48 MW |
649 | |
650 | if (!PyArg_ParseTupleAndKeywords(arg, kw, "s#O&:new", kwlist, | |
651 | &k, &n, convu32, &i)) | |
652 | goto end; | |
653 | if (keysz(n, info->keysz) != n) VALERR("bad key length"); | |
654 | return (grand_dopywrap(ty, | |
655 | ((gcirand_func *)info->func)(k, n, i), | |
656 | f_freeme)); | |
657 | end: | |
b2687a0a | 658 | return (0); |
850a4b48 MW |
659 | } |
660 | ||
3f4f64b8 MW |
661 | static PyObject *gcnrand_pynew(PyTypeObject *ty, PyObject *arg, PyObject *kw) |
662 | { | |
663 | const gccrand_info *info = GCCRAND_INFO(ty); | |
664 | static char *kwlist[] = { "key", "nonce", 0 }; | |
665 | char *k, *n; | |
6b54260d | 666 | Py_ssize_t ksz, nsz; |
3f4f64b8 MW |
667 | |
668 | if (!PyArg_ParseTupleAndKeywords(arg, kw, "s#s#:new", kwlist, | |
669 | &k, &ksz, &n, &nsz)) | |
670 | goto end; | |
671 | if (keysz(ksz, info->keysz) != ksz) VALERR("bad key length"); | |
672 | if (nsz != info->noncesz) VALERR("bad nonce length"); | |
673 | return (grand_dopywrap(ty, | |
674 | ((gcnrand_func *)info->func)(k, ksz, n), | |
675 | f_freeme)); | |
676 | end: | |
677 | return (0); | |
678 | } | |
679 | ||
6bd22b53 MW |
680 | static PyObject *gcshakyrand_pynew(PyTypeObject *ty, |
681 | PyObject *arg, PyObject *kw) | |
682 | { | |
683 | const gccrand_info *info = GCCRAND_INFO(ty); | |
684 | static char *kwlist_shake[] = { "key", "func", "perso", 0 }; | |
685 | static char *kwlist_func[] = { "key", "perso", 0 }; | |
686 | char *k, *f = 0, *p = 0; | |
687 | Py_ssize_t ksz, fsz = 0, psz = 0; | |
688 | ||
689 | if ((info->f&RNGF_MASK) == RNG_SHAKE | |
690 | ? !PyArg_ParseTupleAndKeywords(arg, kw, "s#|s#s#:new", kwlist_shake, | |
691 | &k, &ksz, &f, &fsz, &p, &psz) | |
692 | : !PyArg_ParseTupleAndKeywords(arg, kw, "s#|s#:new", kwlist_func, | |
693 | &k, &ksz, &p, &psz)) | |
694 | goto end; | |
695 | if (keysz(ksz, info->keysz) != ksz) VALERR("bad key length"); | |
696 | return (grand_dopywrap(ty, | |
697 | (info->f&RNGF_MASK) == RNG_SHAKE | |
698 | ? ((gcshakerand_func *)info->func)(f, fsz, | |
699 | p, psz, | |
700 | k, ksz) | |
701 | : ((gcshafuncrand_func *)info->func)(p, psz, | |
702 | k, ksz), | |
703 | f_freeme)); | |
704 | end: | |
705 | return (0); | |
706 | } | |
707 | ||
850a4b48 MW |
708 | static PyObject *gccrand_pywrap(const gccrand_info *info) |
709 | { | |
710 | gccrand_pyobj *g = newtype(gccrand_pytype, 0, info->name); | |
711 | g->info = info; | |
24b3d57b | 712 | g->ty.ht_type.tp_basicsize = sizeof(grand_pyobj); |
34825452 MW |
713 | switch (info->f&RNGF_MASK) { |
714 | case RNG_LATIN: g->ty.ht_type.tp_base = gclatinrand_pytype; break; | |
715 | default: g->ty.ht_type.tp_base = gcrand_pytype; break; | |
716 | } | |
35e5469a | 717 | Py_INCREF(g->ty.ht_type.tp_base); |
24b3d57b MW |
718 | g->ty.ht_type.tp_flags = (Py_TPFLAGS_DEFAULT | |
719 | Py_TPFLAGS_BASETYPE | | |
720 | Py_TPFLAGS_HEAPTYPE); | |
721 | g->ty.ht_type.tp_alloc = PyType_GenericAlloc; | |
722 | g->ty.ht_type.tp_free = 0; | |
34825452 MW |
723 | switch (info->f&RNGF_MASK) { |
724 | case RNG_LATIN: g->ty.ht_type.tp_new = gcnrand_pynew; break; | |
725 | case RNG_SEAL: g->ty.ht_type.tp_new = gcirand_pynew; break; | |
6bd22b53 MW |
726 | case RNG_SHAKE: case RNG_KMAC: |
727 | g->ty.ht_type.tp_new = gcshakyrand_pynew; break; | |
34825452 MW |
728 | default: g->ty.ht_type.tp_new = gcrand_pynew; break; |
729 | } | |
dc075750 | 730 | typeready(&g->ty.ht_type); |
850a4b48 MW |
731 | return ((PyObject *)g); |
732 | } | |
733 | ||
734 | static PyObject *gccrget_name(PyObject *me, void *hunoz) | |
735 | { return (PyString_FromString(GCCRAND_INFO(me)->name)); } | |
736 | static PyObject *gccrget_keysz(PyObject *me, void *hunoz) | |
737 | { return (keysz_pywrap(GCCRAND_INFO(me)->keysz)); } | |
738 | ||
35e5469a MW |
739 | static PyObject *gclrmeth_tell(PyObject *me, PyObject *arg) |
740 | { | |
741 | grand *r = GRAND_R(me); | |
742 | PyObject *rc = 0; | |
743 | kludge64 off; | |
744 | ||
745 | if (!PyArg_ParseTuple(arg, ":tell")) return (0); | |
746 | r->ops->misc(r, SALSA20_TELLU64, &off); | |
747 | rc = getk64(off); | |
748 | return (rc); | |
749 | } | |
750 | ||
751 | static PyObject *gclrmeth_seek(PyObject *me, PyObject *arg) | |
752 | { | |
753 | grand *r = GRAND_R(me); | |
754 | kludge64 off; | |
755 | ||
756 | if (!PyArg_ParseTuple(arg, "O&:seek", convk64, &off)) return (0); | |
757 | r->ops->misc(r, SALSA20_SEEKU64, off); | |
758 | RETURN_ME; | |
759 | } | |
760 | ||
850a4b48 MW |
761 | static PyGetSetDef gccrand_pygetset[] = { |
762 | #define GETSETNAME(op, name) gccr##op##_##name | |
763 | GET (keysz, "CR.keysz -> acceptable key sizes") | |
764 | GET (name, "CR.name -> name of this kind of generator") | |
765 | #undef GETSETNAME | |
766 | { 0 } | |
767 | }; | |
768 | ||
35e5469a MW |
769 | static PyMethodDef gclatinrand_pymethods[] = { |
770 | #define METHNAME(name) gclrmeth_##name | |
771 | METH (tell, "R.tell() -> OFF") | |
772 | METH (seek, "R.seek(OFF)") | |
773 | #undef METHNAME | |
774 | { 0 } | |
775 | }; | |
776 | ||
850a4b48 MW |
777 | static PyTypeObject gccrand_pytype_skel = { |
778 | PyObject_HEAD_INIT(0) 0, /* Header */ | |
c461c9b3 | 779 | "GCCRand", /* @tp_name@ */ |
850a4b48 MW |
780 | sizeof(gccrand_pyobj), /* @tp_basicsize@ */ |
781 | 0, /* @tp_itemsize@ */ | |
782 | ||
783 | 0, /* @tp_dealloc@ */ | |
784 | 0, /* @tp_print@ */ | |
785 | 0, /* @tp_getattr@ */ | |
786 | 0, /* @tp_setattr@ */ | |
787 | 0, /* @tp_compare@ */ | |
788 | 0, /* @tp_repr@ */ | |
789 | 0, /* @tp_as_number@ */ | |
790 | 0, /* @tp_as_sequence@ */ | |
791 | 0, /* @tp_as_mapping@ */ | |
792 | 0, /* @tp_hash@ */ | |
793 | 0, /* @tp_call@ */ | |
794 | 0, /* @tp_str@ */ | |
795 | 0, /* @tp_getattro@ */ | |
796 | 0, /* @tp_setattro@ */ | |
797 | 0, /* @tp_as_buffer@ */ | |
798 | Py_TPFLAGS_DEFAULT | /* @tp_flags@ */ | |
799 | Py_TPFLAGS_BASETYPE, | |
800 | ||
801 | /* @tp_doc@ */ | |
802 | "Metaclass for symmetric crypto-based generators.", | |
803 | ||
804 | 0, /* @tp_traverse@ */ | |
805 | 0, /* @tp_clear@ */ | |
806 | 0, /* @tp_richcompare@ */ | |
807 | 0, /* @tp_weaklistoffset@ */ | |
808 | 0, /* @tp_iter@ */ | |
809 | 0, /* @tp_iternext@ */ | |
810 | 0, /* @tp_methods@ */ | |
811 | 0, /* @tp_members@ */ | |
812 | gccrand_pygetset, /* @tp_getset@ */ | |
813 | 0, /* @tp_base@ */ | |
814 | 0, /* @tp_dict@ */ | |
815 | 0, /* @tp_descr_get@ */ | |
816 | 0, /* @tp_descr_set@ */ | |
817 | 0, /* @tp_dictoffset@ */ | |
818 | 0, /* @tp_init@ */ | |
819 | PyType_GenericAlloc, /* @tp_alloc@ */ | |
820 | abstract_pynew, /* @tp_new@ */ | |
821 | 0, /* @tp_free@ */ | |
822 | 0 /* @tp_is_gc@ */ | |
823 | }; | |
824 | ||
825 | static PyTypeObject gcrand_pytype_skel = { | |
826 | PyObject_HEAD_INIT(0) 0, /* Header */ | |
c461c9b3 | 827 | "GCRand", /* @tp_name@ */ |
850a4b48 MW |
828 | sizeof(grand_pyobj), /* @tp_basicsize@ */ |
829 | 0, /* @tp_itemsize@ */ | |
830 | ||
831 | grand_pydealloc, /* @tp_dealloc@ */ | |
832 | 0, /* @tp_print@ */ | |
833 | 0, /* @tp_getattr@ */ | |
834 | 0, /* @tp_setattr@ */ | |
835 | 0, /* @tp_compare@ */ | |
836 | 0, /* @tp_repr@ */ | |
837 | 0, /* @tp_as_number@ */ | |
838 | 0, /* @tp_as_sequence@ */ | |
839 | 0, /* @tp_as_mapping@ */ | |
840 | 0, /* @tp_hash@ */ | |
841 | 0, /* @tp_call@ */ | |
842 | 0, /* @tp_str@ */ | |
843 | 0, /* @tp_getattro@ */ | |
844 | 0, /* @tp_setattro@ */ | |
845 | 0, /* @tp_as_buffer@ */ | |
846 | Py_TPFLAGS_DEFAULT | /* @tp_flags@ */ | |
847 | Py_TPFLAGS_BASETYPE, | |
848 | ||
849 | /* @tp_doc@ */ | |
850 | "Abstract base class for symmetric crypto-based generators.", | |
851 | ||
852 | 0, /* @tp_traverse@ */ | |
853 | 0, /* @tp_clear@ */ | |
854 | 0, /* @tp_richcompare@ */ | |
855 | 0, /* @tp_weaklistoffset@ */ | |
856 | 0, /* @tp_iter@ */ | |
857 | 0, /* @tp_iternext@ */ | |
858 | 0, /* @tp_methods@ */ | |
859 | 0, /* @tp_members@ */ | |
860 | 0, /* @tp_getset@ */ | |
861 | 0, /* @tp_base@ */ | |
862 | 0, /* @tp_dict@ */ | |
863 | 0, /* @tp_descr_get@ */ | |
864 | 0, /* @tp_descr_set@ */ | |
865 | 0, /* @tp_dictoffset@ */ | |
866 | 0, /* @tp_init@ */ | |
867 | PyType_GenericAlloc, /* @tp_alloc@ */ | |
868 | abstract_pynew, /* @tp_new@ */ | |
869 | 0, /* @tp_free@ */ | |
870 | 0 /* @tp_is_gc@ */ | |
871 | }; | |
872 | ||
35e5469a MW |
873 | static PyTypeObject gclatinrand_pytype_skel = { |
874 | PyObject_HEAD_INIT(0) 0, /* Header */ | |
875 | "GCLatinRand", /* @tp_name@ */ | |
876 | sizeof(grand_pyobj), /* @tp_basicsize@ */ | |
877 | 0, /* @tp_itemsize@ */ | |
878 | ||
879 | grand_pydealloc, /* @tp_dealloc@ */ | |
880 | 0, /* @tp_print@ */ | |
881 | 0, /* @tp_getattr@ */ | |
882 | 0, /* @tp_setattr@ */ | |
883 | 0, /* @tp_compare@ */ | |
884 | 0, /* @tp_repr@ */ | |
885 | 0, /* @tp_as_number@ */ | |
886 | 0, /* @tp_as_sequence@ */ | |
887 | 0, /* @tp_as_mapping@ */ | |
888 | 0, /* @tp_hash@ */ | |
889 | 0, /* @tp_call@ */ | |
890 | 0, /* @tp_str@ */ | |
891 | 0, /* @tp_getattro@ */ | |
892 | 0, /* @tp_setattro@ */ | |
893 | 0, /* @tp_as_buffer@ */ | |
894 | Py_TPFLAGS_DEFAULT | /* @tp_flags@ */ | |
895 | Py_TPFLAGS_BASETYPE, | |
896 | ||
897 | /* @tp_doc@ */ | |
898 | "Abstract base class for symmetric crypto-based generators.", | |
899 | ||
900 | 0, /* @tp_traverse@ */ | |
901 | 0, /* @tp_clear@ */ | |
902 | 0, /* @tp_richcompare@ */ | |
903 | 0, /* @tp_weaklistoffset@ */ | |
904 | 0, /* @tp_iter@ */ | |
905 | 0, /* @tp_iternext@ */ | |
906 | gclatinrand_pymethods, /* @tp_methods@ */ | |
907 | 0, /* @tp_members@ */ | |
908 | 0, /* @tp_getset@ */ | |
909 | 0, /* @tp_base@ */ | |
910 | 0, /* @tp_dict@ */ | |
911 | 0, /* @tp_descr_get@ */ | |
912 | 0, /* @tp_descr_set@ */ | |
913 | 0, /* @tp_dictoffset@ */ | |
914 | 0, /* @tp_init@ */ | |
915 | PyType_GenericAlloc, /* @tp_alloc@ */ | |
916 | abstract_pynew, /* @tp_new@ */ | |
917 | 0, /* @tp_free@ */ | |
918 | 0 /* @tp_is_gc@ */ | |
919 | }; | |
920 | ||
d7ab1bab | 921 | /*----- SSL and TLS generators --------------------------------------------*/ |
922 | ||
923 | static PyObject *sslprf_pynew(PyTypeObject *ty, PyObject *arg, PyObject *kw) | |
924 | { | |
925 | char *k, *s; | |
926 | int ksz, ssz; | |
927 | const gchash *hco = &md5, *hci = &sha; | |
928 | PyObject *rc = 0; | |
929 | char *kwlist[] = { "key", "seed", "ohash", "ihash", 0 }; | |
930 | ||
931 | if (!PyArg_ParseTupleAndKeywords(arg, kw, "s#s#|O&O&:new", kwlist, | |
932 | &k, &ksz, &s, &ssz, | |
933 | convgchash, &hco, convgchash, &hci)) | |
934 | goto end; | |
935 | rc = grand_dopywrap(ty, sslprf_rand(hco, hci, k, ksz, s, ssz), f_freeme); | |
936 | end: | |
937 | return (rc); | |
938 | } | |
939 | ||
940 | static PyObject *tlsdx_pynew(PyTypeObject *ty, PyObject *arg, PyObject *kw) | |
941 | { | |
942 | char *k, *s; | |
943 | int ksz, ssz; | |
944 | const gcmac *mc = &sha_hmac; | |
945 | PyObject *rc = 0; | |
946 | char *kwlist[] = { "key", "seed", "mac", 0 }; | |
947 | ||
948 | if (!PyArg_ParseTupleAndKeywords(arg, kw, "s#s#|O&:new", kwlist, | |
949 | &k, &ksz, &s, &ssz, | |
950 | convgcmac, &mc)) | |
951 | goto end; | |
952 | rc = grand_dopywrap(ty, tlsdx_rand(mc, k, ksz, s, ssz), f_freeme); | |
953 | end: | |
954 | return (rc); | |
955 | } | |
956 | ||
957 | static PyObject *tlsprf_pynew(PyTypeObject *ty, PyObject *arg, PyObject *kw) | |
958 | { | |
959 | char *k, *s; | |
960 | int ksz, ssz; | |
961 | const gcmac *mcl = &md5_hmac, *mcr = &sha_hmac; | |
962 | PyObject *rc = 0; | |
963 | char *kwlist[] = { "key", "seed", "lmac", "rmac", 0 }; | |
964 | ||
965 | if (!PyArg_ParseTupleAndKeywords(arg, kw, "s#s#|O&O&:new", kwlist, | |
966 | &k, &ksz, &s, &ssz, | |
967 | convgcmac, &mcl, convgcmac, &mcr)) | |
968 | goto end; | |
969 | rc = grand_dopywrap(ty, tlsprf_rand(mcl, mcr, k, ksz, s, ssz), f_freeme); | |
970 | end: | |
971 | return (rc); | |
972 | } | |
973 | ||
974 | static PyTypeObject sslprf_pytype_skel = { | |
6d4db0bf | 975 | PyObject_HEAD_INIT(0) 0, /* Header */ |
c461c9b3 | 976 | "SSLRand", /* @tp_name@ */ |
d7ab1bab | 977 | sizeof(grand_pyobj), /* @tp_basicsize@ */ |
978 | 0, /* @tp_itemsize@ */ | |
979 | ||
980 | grand_pydealloc, /* @tp_dealloc@ */ | |
981 | 0, /* @tp_print@ */ | |
982 | 0, /* @tp_getattr@ */ | |
983 | 0, /* @tp_setattr@ */ | |
984 | 0, /* @tp_compare@ */ | |
985 | 0, /* @tp_repr@ */ | |
986 | 0, /* @tp_as_number@ */ | |
987 | 0, /* @tp_as_sequence@ */ | |
988 | 0, /* @tp_as_mapping@ */ | |
989 | 0, /* @tp_hash@ */ | |
990 | 0, /* @tp_call@ */ | |
991 | 0, /* @tp_str@ */ | |
992 | 0, /* @tp_getattro@ */ | |
993 | 0, /* @tp_setattro@ */ | |
994 | 0, /* @tp_as_buffer@ */ | |
995 | Py_TPFLAGS_DEFAULT | /* @tp_flags@ */ | |
996 | Py_TPFLAGS_BASETYPE, | |
997 | ||
998 | /* @tp_doc@ */ | |
999 | "Random number generator for SSL master secret.", | |
1000 | ||
1001 | 0, /* @tp_traverse@ */ | |
1002 | 0, /* @tp_clear@ */ | |
1003 | 0, /* @tp_richcompare@ */ | |
1004 | 0, /* @tp_weaklistoffset@ */ | |
1005 | 0, /* @tp_iter@ */ | |
963a6148 | 1006 | 0, /* @tp_iternext@ */ |
d7ab1bab | 1007 | 0, /* @tp_methods@ */ |
1008 | 0, /* @tp_members@ */ | |
1009 | 0, /* @tp_getset@ */ | |
1010 | 0, /* @tp_base@ */ | |
1011 | 0, /* @tp_dict@ */ | |
1012 | 0, /* @tp_descr_get@ */ | |
1013 | 0, /* @tp_descr_set@ */ | |
1014 | 0, /* @tp_dictoffset@ */ | |
1015 | 0, /* @tp_init@ */ | |
1016 | PyType_GenericAlloc, /* @tp_alloc@ */ | |
1017 | sslprf_pynew, /* @tp_new@ */ | |
3aa33042 | 1018 | 0, /* @tp_free@ */ |
d7ab1bab | 1019 | 0 /* @tp_is_gc@ */ |
1020 | }; | |
1021 | ||
1022 | static PyTypeObject tlsdx_pytype_skel = { | |
6d4db0bf | 1023 | PyObject_HEAD_INIT(0) 0, /* Header */ |
c461c9b3 | 1024 | "TLSDataExpansion", /* @tp_name@ */ |
d7ab1bab | 1025 | sizeof(grand_pyobj), /* @tp_basicsize@ */ |
1026 | 0, /* @tp_itemsize@ */ | |
1027 | ||
1028 | grand_pydealloc, /* @tp_dealloc@ */ | |
1029 | 0, /* @tp_print@ */ | |
1030 | 0, /* @tp_getattr@ */ | |
1031 | 0, /* @tp_setattr@ */ | |
1032 | 0, /* @tp_compare@ */ | |
1033 | 0, /* @tp_repr@ */ | |
1034 | 0, /* @tp_as_number@ */ | |
1035 | 0, /* @tp_as_sequence@ */ | |
1036 | 0, /* @tp_as_mapping@ */ | |
1037 | 0, /* @tp_hash@ */ | |
1038 | 0, /* @tp_call@ */ | |
1039 | 0, /* @tp_str@ */ | |
1040 | 0, /* @tp_getattro@ */ | |
1041 | 0, /* @tp_setattro@ */ | |
1042 | 0, /* @tp_as_buffer@ */ | |
1043 | Py_TPFLAGS_DEFAULT | /* @tp_flags@ */ | |
1044 | Py_TPFLAGS_BASETYPE, | |
1045 | ||
1046 | /* @tp_doc@ */ | |
1047 | "TLS data expansion function.", | |
1048 | ||
1049 | 0, /* @tp_traverse@ */ | |
1050 | 0, /* @tp_clear@ */ | |
1051 | 0, /* @tp_richcompare@ */ | |
1052 | 0, /* @tp_weaklistoffset@ */ | |
1053 | 0, /* @tp_iter@ */ | |
963a6148 | 1054 | 0, /* @tp_iternext@ */ |
d7ab1bab | 1055 | 0, /* @tp_methods@ */ |
1056 | 0, /* @tp_members@ */ | |
1057 | 0, /* @tp_getset@ */ | |
1058 | 0, /* @tp_base@ */ | |
1059 | 0, /* @tp_dict@ */ | |
1060 | 0, /* @tp_descr_get@ */ | |
1061 | 0, /* @tp_descr_set@ */ | |
1062 | 0, /* @tp_dictoffset@ */ | |
1063 | 0, /* @tp_init@ */ | |
1064 | PyType_GenericAlloc, /* @tp_alloc@ */ | |
1065 | tlsdx_pynew, /* @tp_new@ */ | |
3aa33042 | 1066 | 0, /* @tp_free@ */ |
d7ab1bab | 1067 | 0 /* @tp_is_gc@ */ |
1068 | }; | |
1069 | ||
1070 | static PyTypeObject tlsprf_pytype_skel = { | |
6d4db0bf | 1071 | PyObject_HEAD_INIT(0) 0, /* Header */ |
c461c9b3 | 1072 | "TLSPRF", /* @tp_name@ */ |
d7ab1bab | 1073 | sizeof(grand_pyobj), /* @tp_basicsize@ */ |
1074 | 0, /* @tp_itemsize@ */ | |
1075 | ||
1076 | grand_pydealloc, /* @tp_dealloc@ */ | |
1077 | 0, /* @tp_print@ */ | |
1078 | 0, /* @tp_getattr@ */ | |
1079 | 0, /* @tp_setattr@ */ | |
1080 | 0, /* @tp_compare@ */ | |
1081 | 0, /* @tp_repr@ */ | |
1082 | 0, /* @tp_as_number@ */ | |
1083 | 0, /* @tp_as_sequence@ */ | |
1084 | 0, /* @tp_as_mapping@ */ | |
1085 | 0, /* @tp_hash@ */ | |
1086 | 0, /* @tp_call@ */ | |
1087 | 0, /* @tp_str@ */ | |
1088 | 0, /* @tp_getattro@ */ | |
1089 | 0, /* @tp_setattro@ */ | |
1090 | 0, /* @tp_as_buffer@ */ | |
1091 | Py_TPFLAGS_DEFAULT | /* @tp_flags@ */ | |
1092 | Py_TPFLAGS_BASETYPE, | |
1093 | ||
1094 | /* @tp_doc@ */ | |
1095 | "TLS pseudorandom function.", | |
1096 | ||
1097 | 0, /* @tp_traverse@ */ | |
1098 | 0, /* @tp_clear@ */ | |
1099 | 0, /* @tp_richcompare@ */ | |
1100 | 0, /* @tp_weaklistoffset@ */ | |
1101 | 0, /* @tp_iter@ */ | |
963a6148 | 1102 | 0, /* @tp_iternext@ */ |
d7ab1bab | 1103 | 0, /* @tp_methods@ */ |
1104 | 0, /* @tp_members@ */ | |
1105 | 0, /* @tp_getset@ */ | |
1106 | 0, /* @tp_base@ */ | |
1107 | 0, /* @tp_dict@ */ | |
1108 | 0, /* @tp_descr_get@ */ | |
1109 | 0, /* @tp_descr_set@ */ | |
1110 | 0, /* @tp_dictoffset@ */ | |
1111 | 0, /* @tp_init@ */ | |
1112 | PyType_GenericAlloc, /* @tp_alloc@ */ | |
1113 | tlsprf_pynew, /* @tp_new@ */ | |
3aa33042 | 1114 | 0, /* @tp_free@ */ |
d7ab1bab | 1115 | 0 /* @tp_is_gc@ */ |
1116 | }; | |
1117 | ||
1118 | /*----- DSA generator -----------------------------------------------------*/ | |
1119 | ||
1120 | static PyObject *dsarand_pynew(PyTypeObject *ty, PyObject *arg, PyObject *kw) | |
1121 | { | |
1122 | char *p; | |
1123 | int sz; | |
1124 | PyObject *rc = 0; | |
1125 | char *kwlist[] = { "seed", 0 }; | |
1126 | ||
1127 | if (!PyArg_ParseTupleAndKeywords(arg, kw, "s#:new", kwlist, &p, &sz)) | |
1128 | goto end; | |
1129 | rc = grand_dopywrap(ty, dsarand_create(p, sz), f_freeme); | |
1130 | end: | |
98963817 | 1131 | return (rc); |
d7ab1bab | 1132 | } |
1133 | ||
1134 | static PyObject *drget_seed(PyObject *me, void *hunoz) | |
1135 | { | |
1136 | grand *r = GRAND_R(me); | |
1137 | int n = r->ops->misc(r, DSARAND_SEEDSZ); | |
1138 | PyObject *rc = bytestring_pywrap(0, n); | |
1139 | r->ops->misc(r, DSARAND_GETSEED, PyString_AS_STRING(rc)); | |
1140 | return (rc); | |
1141 | } | |
1142 | ||
1143 | static PyGetSetDef dsarand_pygetset[] = { | |
1144 | #define GETSETNAME(op, name) dr##op##_##name | |
1145 | GET (seed, "R.seed -> current generator seed") | |
1146 | #undef GETSETNAME | |
1147 | { 0 } | |
1148 | }; | |
1149 | ||
1150 | static PyTypeObject dsarand_pytype_skel = { | |
6d4db0bf | 1151 | PyObject_HEAD_INIT(0) 0, /* Header */ |
c461c9b3 | 1152 | "DSARand", /* @tp_name@ */ |
d7ab1bab | 1153 | sizeof(grand_pyobj), /* @tp_basicsize@ */ |
1154 | 0, /* @tp_itemsize@ */ | |
1155 | ||
1156 | grand_pydealloc, /* @tp_dealloc@ */ | |
1157 | 0, /* @tp_print@ */ | |
1158 | 0, /* @tp_getattr@ */ | |
1159 | 0, /* @tp_setattr@ */ | |
1160 | 0, /* @tp_compare@ */ | |
1161 | 0, /* @tp_repr@ */ | |
1162 | 0, /* @tp_as_number@ */ | |
1163 | 0, /* @tp_as_sequence@ */ | |
1164 | 0, /* @tp_as_mapping@ */ | |
1165 | 0, /* @tp_hash@ */ | |
1166 | 0, /* @tp_call@ */ | |
1167 | 0, /* @tp_str@ */ | |
1168 | 0, /* @tp_getattro@ */ | |
1169 | 0, /* @tp_setattro@ */ | |
1170 | 0, /* @tp_as_buffer@ */ | |
1171 | Py_TPFLAGS_DEFAULT | /* @tp_flags@ */ | |
1172 | Py_TPFLAGS_BASETYPE, | |
1173 | ||
1174 | /* @tp_doc@ */ | |
1175 | "Pseudorandom number generator for constructing DSA parameters.", | |
1176 | ||
1177 | 0, /* @tp_traverse@ */ | |
1178 | 0, /* @tp_clear@ */ | |
1179 | 0, /* @tp_richcompare@ */ | |
1180 | 0, /* @tp_weaklistoffset@ */ | |
1181 | 0, /* @tp_iter@ */ | |
963a6148 | 1182 | 0, /* @tp_iternext@ */ |
d7ab1bab | 1183 | 0, /* @tp_methods@ */ |
1184 | 0, /* @tp_members@ */ | |
1185 | dsarand_pygetset, /* @tp_getset@ */ | |
1186 | 0, /* @tp_base@ */ | |
1187 | 0, /* @tp_dict@ */ | |
1188 | 0, /* @tp_descr_get@ */ | |
1189 | 0, /* @tp_descr_set@ */ | |
1190 | 0, /* @tp_dictoffset@ */ | |
1191 | 0, /* @tp_init@ */ | |
1192 | PyType_GenericAlloc, /* @tp_alloc@ */ | |
1193 | dsarand_pynew, /* @tp_new@ */ | |
3aa33042 | 1194 | 0, /* @tp_free@ */ |
d7ab1bab | 1195 | 0 /* @tp_is_gc@ */ |
1196 | }; | |
1197 | ||
1198 | /*----- Blum-Blum-Shub generator ------------------------------------------*/ | |
1199 | ||
1200 | static PyObject *bbs_pynew(PyTypeObject *ty, PyObject *arg, PyObject *kw) | |
1201 | { | |
1202 | mp *n = 0, *x = MP_TWO; | |
1203 | PyObject *rc = 0; | |
1204 | char *kwlist[] = { "n", "x", 0 }; | |
1205 | ||
1206 | if (!PyArg_ParseTupleAndKeywords(arg, kw, "O&|O&:new", kwlist, | |
1207 | convmp, &n, convmp, &x)) | |
1208 | goto end; | |
1209 | rc = grand_dopywrap(ty, bbs_rand(n, x), f_freeme); | |
1210 | end: | |
1211 | mp_drop(n); | |
1212 | mp_drop(x); | |
1213 | return (rc); | |
1214 | } | |
1215 | ||
1216 | static PyObject *bbsmeth_step(PyObject *me, PyObject *arg) | |
1217 | { | |
1218 | grand *r = GRAND_R(me); if (!PyArg_ParseTuple(arg, ":step")) return (0); | |
1219 | r->ops->misc(r, BBS_STEP); RETURN_ME; | |
1220 | } | |
1221 | ||
1222 | static PyObject *bbsmeth_bits(PyObject *me, PyObject *arg) | |
1223 | { | |
1224 | grand *r = GRAND_R(me); unsigned n; uint32 w; | |
1225 | if (!PyArg_ParseTuple(arg, "O&:bits", convuint, &n)) goto end; | |
1226 | if (n > 32) VALERR("can't get more than 32 bits"); | |
fbca05a1 | 1227 | r->ops->misc(r, BBS_BITS, n, &w); return (getulong(w)); |
d7ab1bab | 1228 | end: |
1229 | return (0); | |
1230 | } | |
1231 | ||
1232 | static PyObject *bbsmeth_wrap(PyObject *me, PyObject *arg) | |
1233 | { | |
1234 | grand *r = GRAND_R(me); if (!PyArg_ParseTuple(arg, ":wrap")) return (0); | |
1235 | r->ops->misc(r, BBS_WRAP); RETURN_ME; | |
1236 | } | |
1237 | ||
1238 | static PyObject *bbsget_n(PyObject *me, void *hunoz) | |
1239 | { | |
1240 | mp *x = MP_NEW; grand *r = GRAND_R(me); | |
1241 | r->ops->misc(r, BBS_MOD, &x); return (mp_pywrap(x)); | |
1242 | } | |
1243 | ||
1244 | static PyObject *bbsget_x(PyObject *me, void *hunoz) | |
1245 | { | |
1246 | mp *x = MP_NEW; grand *r = GRAND_R(me); | |
1247 | r->ops->misc(r, BBS_STATE, &x); return (mp_pywrap(x)); | |
1248 | } | |
1249 | ||
1250 | static int bbsset_x(PyObject *me, PyObject *val, void *hunoz) | |
1251 | { | |
f368b46e | 1252 | mp *x = 0; grand *r = GRAND_R(me); int rc = -1; if (!x) NIERR("__del__"); |
d7ab1bab | 1253 | if ((x = getmp(val)) == 0) goto end; r->ops->misc(r, BBS_SET, x); rc = 0; |
1254 | end: mp_drop(x); return (rc); | |
1255 | } | |
1256 | ||
1257 | static PyObject *bbsget_stepsz(PyObject *me, void *hunoz) | |
1258 | { | |
1259 | grand *r = GRAND_R(me); | |
1260 | return (PyInt_FromLong(r->ops->misc(r, BBS_STEPSZ))); | |
1261 | } | |
1262 | ||
1263 | static PyMethodDef bbs_pymethods[] = { | |
1264 | #define METHNAME(name) bbsmeth_##name | |
1265 | METH (step, "R.step(): steps the generator (not useful)") | |
1266 | METH (bits, "R.bits(N) -> W: returns N bits (<= 32) from the generator") | |
1267 | METH (wrap, "R.wrap(): flushes unused bits in internal buffer") | |
1268 | #undef METHNAME | |
1269 | { 0 } | |
1270 | }; | |
1271 | ||
1272 | static PyGetSetDef bbs_pygetset[] = { | |
1273 | #define GETSETNAME(op, name) bbs##op##_##name | |
1274 | GET (n, "R.n -> Blum modulus") | |
1275 | GETSET(x, "R.x -> current seed value") | |
1276 | GET (stepsz, "R.stepsz -> number of bits generated per step") | |
1277 | #undef GETSETNAME | |
1278 | { 0 } | |
1279 | }; | |
1280 | ||
1281 | static PyTypeObject bbs_pytype_skel = { | |
6d4db0bf | 1282 | PyObject_HEAD_INIT(0) 0, /* Header */ |
c461c9b3 | 1283 | "BlumBlumShub", /* @tp_name@ */ |
d7ab1bab | 1284 | sizeof(grand_pyobj), /* @tp_basicsize@ */ |
1285 | 0, /* @tp_itemsize@ */ | |
1286 | ||
1287 | grand_pydealloc, /* @tp_dealloc@ */ | |
1288 | 0, /* @tp_print@ */ | |
1289 | 0, /* @tp_getattr@ */ | |
1290 | 0, /* @tp_setattr@ */ | |
1291 | 0, /* @tp_compare@ */ | |
1292 | 0, /* @tp_repr@ */ | |
1293 | 0, /* @tp_as_number@ */ | |
1294 | 0, /* @tp_as_sequence@ */ | |
1295 | 0, /* @tp_as_mapping@ */ | |
1296 | 0, /* @tp_hash@ */ | |
1297 | 0, /* @tp_call@ */ | |
1298 | 0, /* @tp_str@ */ | |
1299 | 0, /* @tp_getattro@ */ | |
1300 | 0, /* @tp_setattro@ */ | |
1301 | 0, /* @tp_as_buffer@ */ | |
1302 | Py_TPFLAGS_DEFAULT | /* @tp_flags@ */ | |
1303 | Py_TPFLAGS_BASETYPE, | |
1304 | ||
1305 | /* @tp_doc@ */ | |
1306 | "Blum-Blum-Shub strong pseudorandom number generator.", | |
1307 | ||
1308 | 0, /* @tp_traverse@ */ | |
1309 | 0, /* @tp_clear@ */ | |
1310 | 0, /* @tp_richcompare@ */ | |
1311 | 0, /* @tp_weaklistoffset@ */ | |
1312 | 0, /* @tp_iter@ */ | |
963a6148 | 1313 | 0, /* @tp_iternext@ */ |
d7ab1bab | 1314 | bbs_pymethods, /* @tp_methods@ */ |
1315 | 0, /* @tp_members@ */ | |
1316 | bbs_pygetset, /* @tp_getset@ */ | |
1317 | 0, /* @tp_base@ */ | |
1318 | 0, /* @tp_dict@ */ | |
1319 | 0, /* @tp_descr_get@ */ | |
1320 | 0, /* @tp_descr_set@ */ | |
1321 | 0, /* @tp_dictoffset@ */ | |
1322 | 0, /* @tp_init@ */ | |
1323 | PyType_GenericAlloc, /* @tp_alloc@ */ | |
1324 | bbs_pynew, /* @tp_new@ */ | |
3aa33042 | 1325 | 0, /* @tp_free@ */ |
d7ab1bab | 1326 | 0 /* @tp_is_gc@ */ |
1327 | }; | |
1328 | ||
1329 | typedef struct bbspriv_pyobj { | |
1330 | grand_pyobj gr; | |
1331 | bbs_priv bp; | |
1332 | } bbspriv_pyobj; | |
1333 | ||
1334 | #define BBSPRIV_BP(o) (&((bbspriv_pyobj *)(o))->bp) | |
1335 | ||
1336 | static PyObject *bbspriv_pynew(PyTypeObject *ty, | |
1337 | PyObject *arg, PyObject *kw) | |
1338 | { | |
1339 | mp *p = 0, *q = 0, *n = 0, *x = MP_TWO; | |
1340 | bbspriv_pyobj *rc = 0; | |
1341 | char *kwlist[] = { "n", "p", "q", "seed", 0 }; | |
1342 | ||
1343 | if (!PyArg_ParseTupleAndKeywords(arg, kw, "|O&O&O&O&:new", kwlist, | |
1344 | convmp, &n, convmp, &p, convmp, &q, | |
1345 | convmp, &x)) | |
1346 | goto end; | |
1347 | if (!n + !p + !q > 1) VALERR("must specify at least two of n, p, q"); | |
1348 | if (!n) n = mp_mul(MP_NEW, p, q); | |
1349 | else if (!p) mp_div(&p, 0, n, q); | |
1350 | else if (!q) mp_div(&q, 0, n, p); | |
1351 | rc = (bbspriv_pyobj *)ty->tp_alloc(ty, 0); | |
1352 | rc->gr.r = bbs_rand(n, x); | |
1353 | rc->gr.f = f_freeme; | |
1354 | rc->bp.p = MP_COPY(p); | |
1355 | rc->bp.q = MP_COPY(q); | |
1356 | rc->bp.n = MP_COPY(n); | |
1357 | end: | |
1358 | mp_drop(p); mp_drop(q); mp_drop(n); mp_drop(x); | |
1359 | return ((PyObject *)rc); | |
1360 | } | |
1361 | ||
1362 | static PyObject *meth__BBSPriv_generate(PyObject *me, | |
1363 | PyObject *arg, PyObject *kw) | |
1364 | { | |
1365 | bbs_priv bp = { 0 }; | |
1366 | mp *x = MP_TWO; | |
1367 | pgev evt = { 0 }; | |
1368 | unsigned nbits, n = 0; | |
1369 | grand *r = &rand_global; | |
1370 | char *kwlist[] = { "class", "nbits", "event", "rng", "nsteps", "seed", 0 }; | |
1371 | bbspriv_pyobj *rc = 0; | |
1372 | ||
1373 | if (!PyArg_ParseTupleAndKeywords(arg, kw, "OO&|O&O&O&O&:generate", kwlist, | |
1374 | &me, convuint, &nbits, convpgev, &evt, | |
1375 | convgrand, &r, convuint, &n, convmp, &x)) | |
1376 | goto end; | |
1377 | if (bbs_gen(&bp, nbits, r, n, evt.proc, evt.ctx)) | |
1378 | VALERR("prime genration failed"); | |
1379 | rc = PyObject_New(bbspriv_pyobj, bbspriv_pytype); | |
1380 | rc->gr.r = bbs_rand(bp.n, x); | |
1381 | rc->gr.f = f_freeme; | |
1382 | rc->bp.p = MP_COPY(bp.p); | |
1383 | rc->bp.q = MP_COPY(bp.q); | |
1384 | rc->bp.n = MP_COPY(bp.n); | |
1385 | end: | |
1386 | mp_drop(bp.p); mp_drop(bp.q); mp_drop(bp.n); mp_drop(x); | |
b2687a0a | 1387 | return ((PyObject *)rc); |
d7ab1bab | 1388 | } |
1389 | ||
1390 | static void bbspriv_pydealloc(PyObject *me) | |
1391 | { | |
1392 | bbs_priv *bp = BBSPRIV_BP(me); | |
1393 | mp_drop(bp->n); | |
1394 | mp_drop(bp->p); | |
1395 | mp_drop(bp->q); | |
1396 | grand_pydealloc(me); | |
1397 | } | |
1398 | ||
1399 | static PyObject *bpmeth_ff(PyObject *me, PyObject *arg) | |
1400 | { | |
1401 | mp *n = 0; grand *r = GRAND_R(me); bbs_priv *bp = BBSPRIV_BP(me); | |
1402 | if (!PyArg_ParseTuple(arg, "O&:ff", convmp, &n)) return (0); | |
1403 | r->ops->misc(r, BBS_FF, bp, n); RETURN_ME; | |
1404 | } | |
1405 | ||
1406 | static PyObject *bpmeth_rew(PyObject *me, PyObject *arg) | |
1407 | { | |
1408 | mp *n = 0; grand *r = GRAND_R(me); bbs_priv *bp = BBSPRIV_BP(me); | |
1409 | if (!PyArg_ParseTuple(arg, "O&:rew", convmp, &n)) return (0); | |
1410 | r->ops->misc(r, BBS_REW, bp, n); RETURN_ME; | |
1411 | } | |
1412 | ||
1413 | static PyObject *bpget_n(PyObject *me, void *hunoz) | |
1414 | { return (mp_pywrap(MP_COPY(BBSPRIV_BP(me)->n))); } | |
1415 | ||
1416 | static PyObject *bpget_p(PyObject *me, void *hunoz) | |
1417 | { return (mp_pywrap(MP_COPY(BBSPRIV_BP(me)->p))); } | |
1418 | ||
1419 | static PyObject *bpget_q(PyObject *me, void *hunoz) | |
1420 | { return (mp_pywrap(MP_COPY(BBSPRIV_BP(me)->q))); } | |
1421 | ||
1422 | static PyMethodDef bbspriv_pymethods[] = { | |
1423 | #define METHNAME(name) bpmeth_##name | |
1424 | METH (ff, "R.ff(N): fast-forward N places") | |
1425 | METH (rew, "R.rew(N): rewind N places") | |
1426 | #undef METHNAME | |
1427 | { 0 } | |
1428 | }; | |
1429 | ||
1430 | static PyGetSetDef bbspriv_pygetset[] = { | |
1431 | #define GETSETNAME(op, name) bp##op##_##name | |
b2687a0a MW |
1432 | GET (n, "R.n -> Blum modulus") |
1433 | GET (p, "R.p -> one of the factors of the modulus") | |
1434 | GET (q, "R.q -> one of the factors of the modulus") | |
d7ab1bab | 1435 | #undef GETSETNAME |
1436 | { 0 } | |
1437 | }; | |
1438 | ||
1439 | static PyTypeObject bbspriv_pytype_skel = { | |
6d4db0bf | 1440 | PyObject_HEAD_INIT(0) 0, /* Header */ |
c461c9b3 | 1441 | "BBSPriv", /* @tp_name@ */ |
d7ab1bab | 1442 | sizeof(bbspriv_pyobj), /* @tp_basicsize@ */ |
1443 | 0, /* @tp_itemsize@ */ | |
1444 | ||
1445 | bbspriv_pydealloc, /* @tp_dealloc@ */ | |
1446 | 0, /* @tp_print@ */ | |
1447 | 0, /* @tp_getattr@ */ | |
1448 | 0, /* @tp_setattr@ */ | |
1449 | 0, /* @tp_compare@ */ | |
1450 | 0, /* @tp_repr@ */ | |
1451 | 0, /* @tp_as_number@ */ | |
1452 | 0, /* @tp_as_sequence@ */ | |
1453 | 0, /* @tp_as_mapping@ */ | |
1454 | 0, /* @tp_hash@ */ | |
1455 | 0, /* @tp_call@ */ | |
1456 | 0, /* @tp_str@ */ | |
1457 | 0, /* @tp_getattro@ */ | |
1458 | 0, /* @tp_setattro@ */ | |
1459 | 0, /* @tp_as_buffer@ */ | |
1460 | Py_TPFLAGS_DEFAULT | /* @tp_flags@ */ | |
1461 | Py_TPFLAGS_BASETYPE, | |
1462 | ||
1463 | /* @tp_doc@ */ | |
1464 | "Blum-Blum-Shub strong pseudorandom generator, with private key.", | |
1465 | ||
1466 | 0, /* @tp_traverse@ */ | |
1467 | 0, /* @tp_clear@ */ | |
1468 | 0, /* @tp_richcompare@ */ | |
1469 | 0, /* @tp_weaklistoffset@ */ | |
1470 | 0, /* @tp_iter@ */ | |
963a6148 | 1471 | 0, /* @tp_iternext@ */ |
d7ab1bab | 1472 | bbspriv_pymethods, /* @tp_methods@ */ |
1473 | 0, /* @tp_members@ */ | |
1474 | bbspriv_pygetset, /* @tp_getset@ */ | |
1475 | 0, /* @tp_base@ */ | |
1476 | 0, /* @tp_dict@ */ | |
1477 | 0, /* @tp_descr_get@ */ | |
1478 | 0, /* @tp_descr_set@ */ | |
1479 | 0, /* @tp_dictoffset@ */ | |
1480 | 0, /* @tp_init@ */ | |
1481 | PyType_GenericAlloc, /* @tp_alloc@ */ | |
1482 | bbspriv_pynew, /* @tp_new@ */ | |
3aa33042 | 1483 | 0, /* @tp_free@ */ |
d7ab1bab | 1484 | 0 /* @tp_is_gc@ */ |
1485 | }; | |
1486 | ||
1487 | /*----- Global stuff ------------------------------------------------------*/ | |
1488 | ||
1489 | static PyMethodDef methods[] = { | |
1490 | #define METHNAME(name) meth_##name | |
1491 | KWMETH(_BBSPriv_generate, "\ | |
1492 | generate(NBITS, [event = pgen_nullev, rng = rand, nsteps = 0, seed = 2])") | |
1493 | #undef METHNAME | |
1494 | { 0 } | |
1495 | }; | |
1496 | ||
1497 | void rand_pyinit(void) | |
1498 | { | |
1499 | INITTYPE(grand, root); | |
1500 | INITTYPE(truerand, grand); | |
1501 | INITTYPE(fibrand, grand); | |
1502 | INITTYPE(lcrand, grand); | |
1503 | INITTYPE(dsarand, grand); | |
1504 | INITTYPE(bbs, grand); | |
1505 | INITTYPE(bbspriv, bbs); | |
1506 | INITTYPE(sslprf, grand); | |
1507 | INITTYPE(tlsdx, grand); | |
1508 | INITTYPE(tlsprf, grand); | |
850a4b48 MW |
1509 | INITTYPE(gccrand, type); |
1510 | INITTYPE(gcrand, grand); | |
35e5469a | 1511 | INITTYPE(gclatinrand, gcrand); |
d7ab1bab | 1512 | rand_noisesrc(RAND_GLOBAL, &noise_source); |
1513 | rand_seed(RAND_GLOBAL, 160); | |
1514 | addmethods(methods); | |
1515 | } | |
1516 | ||
850a4b48 MW |
1517 | #define gccrand gccrand_info |
1518 | GEN(gccrands, crand) | |
1519 | ||
d7ab1bab | 1520 | void rand_pyinsert(PyObject *mod) |
1521 | { | |
1522 | INSERT("GRand", grand_pytype); | |
1523 | INSERT("TrueRand", truerand_pytype); | |
1524 | INSERT("LCRand", lcrand_pytype); | |
1525 | INSERT("FibRand", fibrand_pytype); | |
1526 | INSERT("SSLRand", sslprf_pytype); | |
1527 | INSERT("TLSDataExpansion", tlsdx_pytype); | |
1528 | INSERT("TLSPRF", tlsprf_pytype); | |
1529 | INSERT("DSARand", dsarand_pytype); | |
1530 | INSERT("BlumBlumShub", bbs_pytype); | |
1531 | INSERT("BBSPriv", bbspriv_pytype); | |
850a4b48 MW |
1532 | INSERT("GCCRand", gccrand_pytype); |
1533 | INSERT("GCRand", gcrand_pytype); | |
35e5469a | 1534 | INSERT("GCLatinRand", gclatinrand_pytype); |
d7ab1bab | 1535 | rand_pyobj = grand_pywrap(&rand_global, 0); Py_INCREF(rand_pyobj); |
850a4b48 MW |
1536 | gccrands_dict = gccrands(); Py_INCREF(gccrands_dict); |
1537 | INSERT("gccrands", gccrands_dict); | |
d7ab1bab | 1538 | INSERT("rand", rand_pyobj); |
1539 | } | |
1540 | ||
1541 | /*----- That's all, folks -------------------------------------------------*/ |