Commit | Line | Data |
---|---|---|
d7ab1bab | 1 | /* -*-c-*- |
2 | * | |
d7ab1bab | 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" | |
6640e060 | 30 | PUBLIC_SYMBOLS; |
850a4b48 | 31 | #include "algorithms.h" |
6640e060 | 32 | PRIVATE_SYMBOLS; |
d7ab1bab | 33 | |
34 | /*----- Main code ---------------------------------------------------------*/ | |
35 | ||
805a0f2b MW |
36 | PyTypeObject *grand_pytype; |
37 | static PyTypeObject *truerand_pytype; | |
38 | static PyTypeObject *lcrand_pytype, *fibrand_pytype; | |
39 | static PyTypeObject *dsarand_pytype, *bbs_pytype, *bbspriv_pytype; | |
40 | static PyTypeObject *sslprf_pytype, *tlsdx_pytype, *tlsprf_pytype; | |
d7ab1bab | 41 | PyObject *rand_pyobj; |
42 | ||
850a4b48 MW |
43 | static PyObject *gccrands_dict; |
44 | ||
d7ab1bab | 45 | static PyObject *grand_dopywrap(PyTypeObject *ty, grand *r, unsigned f) |
46 | { | |
47 | grand_pyobj *g; | |
48 | ||
49 | g = (grand_pyobj *)ty->tp_alloc(ty, 0); | |
50 | g->r = r; | |
51 | g->f = f; | |
52 | return ((PyObject *)g); | |
53 | } | |
54 | ||
55 | PyObject *grand_pywrap(grand *r, unsigned f) | |
56 | { | |
57 | PyTypeObject *ty = grand_pytype; | |
850a4b48 | 58 | PyObject *ob; |
d7ab1bab | 59 | |
20441612 MW |
60 | if (STRCMP(r->ops->name, ==, "rand")) ty = truerand_pytype; |
61 | else if (STRCMP(r->ops->name, ==, "lcrand")) ty = lcrand_pytype; | |
62 | else if (STRCMP(r->ops->name, ==, "fibrand")) ty = fibrand_pytype; | |
63 | else if (STRCMP(r->ops->name, ==, "dsarand")) ty = dsarand_pytype; | |
64 | else if (STRCMP(r->ops->name, ==, "bbs")) ty = bbs_pytype; | |
65 | else if (STRCMP(r->ops->name, ==, "sslprf")) ty = sslprf_pytype; | |
66 | else if (STRCMP(r->ops->name, ==, "tlsdx")) ty = tlsdx_pytype; | |
67 | else if (STRCMP(r->ops->name, ==, "tlsprf")) ty = tlsprf_pytype; | |
850a4b48 MW |
68 | else if ((ob = PyDict_GetItemString(gccrands_dict, r->ops->name)) != 0) |
69 | ty = (PyTypeObject *)ob; | |
d7ab1bab | 70 | return (grand_dopywrap(ty, r, f)); |
71 | } | |
72 | ||
73 | CONVFUNC(grand, grand *, GRAND_R) | |
74 | ||
d65d80d7 MW |
75 | static int grand_check(PyObject *me) |
76 | { | |
77 | if (!GRAND_R(me)) VALERR("random generator object is no longer valid"); | |
78 | return (0); | |
79 | end: | |
80 | return (-1); | |
81 | } | |
82 | ||
d7ab1bab | 83 | static PyObject *grmeth_byte(PyObject *me, PyObject *arg) |
84 | { | |
85 | if (!PyArg_ParseTuple(arg, ":byte")) return (0); | |
d65d80d7 | 86 | if (grand_check(me)) return (0); |
d7ab1bab | 87 | return (PyInt_FromLong(grand_byte(GRAND_R(me)))); |
88 | } | |
89 | ||
90 | static PyObject *grmeth_word(PyObject *me, PyObject *arg) | |
91 | { | |
92 | if (!PyArg_ParseTuple(arg, ":word")) return (0); | |
d65d80d7 | 93 | if (grand_check(me)) return (0); |
fbca05a1 | 94 | return (getulong(grand_word(GRAND_R(me)))); |
d7ab1bab | 95 | } |
96 | ||
97 | static PyObject *grmeth_range(PyObject *me, PyObject *arg) | |
98 | { | |
99 | PyObject *m; | |
100 | mp *x = 0; | |
101 | mp *y = 0; | |
102 | ||
103 | if (!PyArg_ParseTuple(arg, "O:range", &m)) return (0); | |
d65d80d7 | 104 | if (grand_check(me)) return (0); |
d7ab1bab | 105 | if (PyInt_Check(m)) { |
106 | long mm = PyInt_AS_LONG(m); | |
cb08602a MW |
107 | if (mm <= 0) |
108 | goto notpos; | |
d7ab1bab | 109 | if (mm <= 0xffffffff) |
110 | return (PyInt_FromLong(grand_range(GRAND_R(me), mm))); | |
111 | } | |
112 | if ((x = getmp(m)) == 0) | |
113 | goto end; | |
cb08602a MW |
114 | if (!MP_POSP(x)) |
115 | goto notpos; | |
d7ab1bab | 116 | y = mprand_range(MP_NEW, x, GRAND_R(me), 0); |
117 | MP_DROP(x); | |
118 | return (mp_pywrap(y)); | |
cb08602a MW |
119 | notpos: |
120 | VALERR("range must be strictly positive"); | |
d7ab1bab | 121 | end: |
122 | if (x) MP_DROP(x); | |
123 | return (0); | |
124 | } | |
125 | ||
126 | static PyObject *grmeth_mp(PyObject *me, PyObject *arg, PyObject *kw) | |
127 | { | |
128 | size_t l; | |
cb08602a | 129 | mpw o = 0; |
827f89d7 | 130 | static const char *const kwlist[] = { "bits", "or", 0 }; |
d7ab1bab | 131 | |
827f89d7 | 132 | if (!PyArg_ParseTupleAndKeywords(arg, kw, "O&|O&:mp", KWLIST, |
d7ab1bab | 133 | convszt, &l, convmpw, &o)) |
134 | goto end; | |
d65d80d7 | 135 | if (grand_check(me)) return (0); |
cb08602a | 136 | if (l < MPW_BITS && (o >> l)) VALERR("or mask too large"); |
d7ab1bab | 137 | return (mp_pywrap(mprand(MP_NEW, l, GRAND_R(me), o))); |
138 | end: | |
139 | return (0); | |
140 | } | |
141 | ||
142 | static PyObject *grmeth_block(PyObject *me, PyObject *arg) | |
143 | { | |
144 | unsigned long n; | |
145 | PyObject *rc = 0; | |
146 | ||
147 | if (!PyArg_ParseTuple(arg, "O&:block", convulong, &n)) goto end; | |
d65d80d7 | 148 | if (grand_check(me)) return (0); |
d7ab1bab | 149 | rc = bytestring_pywrap(0, n); |
150 | grand_fill(GRAND_R(me), PyString_AS_STRING(rc), n); | |
151 | end: | |
152 | return (rc); | |
153 | } | |
154 | ||
155 | static int checkop(grand *r, unsigned op, const char *what) | |
156 | { | |
d65d80d7 | 157 | if (r->ops->misc(r, GRAND_CHECK, op)) return (0); |
d7ab1bab | 158 | PyErr_Format(PyExc_TypeError, "operation %s not supported", what); |
159 | return (-1); | |
160 | } | |
161 | ||
162 | static PyObject *grmeth_seedint(PyObject *me, PyObject *arg) | |
163 | { | |
164 | int i; | |
165 | grand *r = GRAND_R(me); | |
166 | if (!PyArg_ParseTuple(arg, "i:seedint", &i) || | |
d65d80d7 | 167 | grand_check(me) || checkop(r, GRAND_SEEDINT, "seedint")) |
d7ab1bab | 168 | goto end; |
169 | r->ops->misc(r, GRAND_SEEDINT, i); | |
170 | RETURN_ME; | |
171 | end: | |
172 | return (0); | |
173 | } | |
174 | ||
175 | static PyObject *grmeth_seedword(PyObject *me, PyObject *arg) | |
176 | { | |
177 | uint32 u; | |
178 | grand *r = GRAND_R(me); | |
179 | if (!PyArg_ParseTuple(arg, "O&:seedword", convu32, &u) || | |
d65d80d7 | 180 | grand_check(me) || checkop(r, GRAND_SEEDUINT32, "seedword")) |
d7ab1bab | 181 | goto end; |
182 | r->ops->misc(r, GRAND_SEEDUINT32, u); | |
183 | RETURN_ME; | |
184 | end: | |
185 | return (0); | |
186 | } | |
187 | ||
188 | static PyObject *grmeth_seedblock(PyObject *me, PyObject *arg) | |
189 | { | |
190 | char *p; | |
6b54260d | 191 | Py_ssize_t n; |
d7ab1bab | 192 | grand *r = GRAND_R(me); |
193 | if (!PyArg_ParseTuple(arg, "s#:seedblock", &p, &n) || | |
d65d80d7 | 194 | grand_check(me) || checkop(r, GRAND_SEEDBLOCK, "seedblock")) |
d7ab1bab | 195 | goto end; |
196 | r->ops->misc(r, GRAND_SEEDBLOCK, p, (size_t)n); | |
197 | RETURN_ME; | |
198 | end: | |
199 | return (0); | |
200 | } | |
201 | ||
202 | static PyObject *grmeth_seedmp(PyObject *me, PyObject *arg) | |
203 | { | |
204 | PyObject *x; | |
205 | mp *xx; | |
206 | grand *r = GRAND_R(me); | |
207 | if (!PyArg_ParseTuple(arg, "O:seedmp", &x) || | |
d65d80d7 | 208 | grand_check(me) || checkop(r, GRAND_SEEDMP, "seedmp") || |
d7ab1bab | 209 | (xx = getmp(x)) == 0) |
210 | goto end; | |
211 | r->ops->misc(r, GRAND_SEEDMP, xx); | |
212 | MP_DROP(xx); | |
213 | RETURN_ME; | |
214 | end: | |
215 | return (0); | |
216 | } | |
217 | ||
218 | static PyObject *grmeth_seedrand(PyObject *me, PyObject *arg, PyObject *kw) | |
219 | { | |
827f89d7 | 220 | static const char *const kwlist[] = { "rng", 0 }; |
d7ab1bab | 221 | grand *r = GRAND_R(me); |
222 | grand *rr = &rand_global; | |
827f89d7 | 223 | if (!PyArg_ParseTupleAndKeywords(arg, kw, "|O&:seedrand", KWLIST, |
d7ab1bab | 224 | convgrand, &rr) || |
d65d80d7 | 225 | grand_check(me) || checkop(r, GRAND_SEEDRAND, "seedrand")) |
d7ab1bab | 226 | goto end; |
227 | r->ops->misc(r, GRAND_SEEDRAND, rr); | |
228 | RETURN_ME; | |
229 | end: | |
230 | return (0); | |
231 | } | |
232 | ||
233 | static PyObject *grmeth_mask(PyObject *me, PyObject *arg) | |
234 | { | |
235 | grand *r = GRAND_R(me); | |
236 | char *p, *q; | |
6b54260d | 237 | Py_ssize_t sz; |
d7ab1bab | 238 | PyObject *rc; |
239 | ||
240 | if (!PyArg_ParseTuple(arg, "s#:mask", &p, &sz)) return (0); | |
d65d80d7 | 241 | if (grand_check(me)) return (0); |
d7ab1bab | 242 | rc = bytestring_pywrap(0, sz); |
243 | q = PyString_AS_STRING(rc); | |
244 | GR_FILL(r, q, sz); | |
245 | while (sz--) *q++ ^= *p++; | |
246 | return (rc); | |
247 | } | |
248 | ||
249 | static void grand_pydealloc(PyObject *me) | |
250 | { | |
251 | grand_pyobj *g = (grand_pyobj *)me; | |
d65d80d7 | 252 | if ((g->f & f_freeme) && g->r) GR_DESTROY(g->r); |
3aa33042 | 253 | FREEOBJ(me); |
d7ab1bab | 254 | } |
255 | ||
256 | static PyObject *grget_name(PyObject *me, void *hunoz) | |
d65d80d7 | 257 | { return (grand_check(me) ? 0 : PyString_FromString(GRAND_R(me)->ops->name)); } |
d7ab1bab | 258 | |
259 | static PyObject *grget_cryptop(PyObject *me, void *hunoz) | |
d65d80d7 | 260 | { return (grand_check(me) ? 0 : getbool(GRAND_R(me)->ops->f & GRAND_CRYPTO)); } |
d7ab1bab | 261 | |
637b9140 | 262 | static const PyGetSetDef grand_pygetset[] = { |
d7ab1bab | 263 | #define GETSETNAME(op, name) gr##op##_##name |
264 | GET (name, "R.name -> name of this kind of generator") | |
265 | GET (cryptop, "R.cryptop -> flag: cryptographically strong?") | |
266 | #undef GETSETNAME | |
267 | { 0 } | |
268 | }; | |
269 | ||
637b9140 | 270 | static const PyMethodDef grand_pymethods[] = { |
d7ab1bab | 271 | #define METHNAME(name) grmeth_##name |
272 | METH (byte, "R.byte() -> BYTE") | |
273 | METH (word, "R.word() -> WORD") | |
274 | METH (block, "R.block(N) -> STRING") | |
986bcc44 | 275 | KWMETH(mp, "R.mp(bits, [or = 0]) -> MP") |
d7ab1bab | 276 | METH (range, "R.range(MAX) -> INT") |
277 | METH (mask, "R.mask(STR) -> STR") | |
278 | METH (seedint, "R.seedint(I)") | |
279 | METH (seedword, "R.seedword(I)") | |
280 | METH (seedblock, "R.seedblock(BYTES)") | |
281 | METH (seedmp, "R.seedmp(X)") | |
282 | KWMETH(seedrand, "R.seedrand(RR)") | |
283 | #undef METHNAME | |
284 | { 0 } | |
285 | }; | |
286 | ||
287 | static PyTypeObject grand_pytype_skel = { | |
6d4db0bf | 288 | PyObject_HEAD_INIT(0) 0, /* Header */ |
c461c9b3 | 289 | "GRand", /* @tp_name@ */ |
d7ab1bab | 290 | sizeof(grand_pyobj), /* @tp_basicsize@ */ |
291 | 0, /* @tp_itemsize@ */ | |
292 | ||
293 | grand_pydealloc, /* @tp_dealloc@ */ | |
294 | 0, /* @tp_print@ */ | |
295 | 0, /* @tp_getattr@ */ | |
296 | 0, /* @tp_setattr@ */ | |
297 | 0, /* @tp_compare@ */ | |
298 | 0, /* @tp_repr@ */ | |
299 | 0, /* @tp_as_number@ */ | |
300 | 0, /* @tp_as_sequence@ */ | |
301 | 0, /* @tp_as_mapping@ */ | |
302 | 0, /* @tp_hash@ */ | |
303 | 0, /* @tp_call@ */ | |
304 | 0, /* @tp_str@ */ | |
305 | 0, /* @tp_getattro@ */ | |
306 | 0, /* @tp_setattro@ */ | |
307 | 0, /* @tp_as_buffer@ */ | |
308 | Py_TPFLAGS_DEFAULT | /* @tp_flags@ */ | |
309 | Py_TPFLAGS_BASETYPE, | |
310 | ||
311 | /* @tp_doc@ */ | |
ef783f91 | 312 | "Generic random number source.", |
d7ab1bab | 313 | |
314 | 0, /* @tp_traverse@ */ | |
315 | 0, /* @tp_clear@ */ | |
316 | 0, /* @tp_richcompare@ */ | |
317 | 0, /* @tp_weaklistoffset@ */ | |
318 | 0, /* @tp_iter@ */ | |
963a6148 | 319 | 0, /* @tp_iternext@ */ |
637b9140 | 320 | PYMETHODS(grand), /* @tp_methods@ */ |
d7ab1bab | 321 | 0, /* @tp_members@ */ |
637b9140 | 322 | PYGETSET(grand), /* @tp_getset@ */ |
d7ab1bab | 323 | 0, /* @tp_base@ */ |
324 | 0, /* @tp_dict@ */ | |
325 | 0, /* @tp_descr_get@ */ | |
326 | 0, /* @tp_descr_set@ */ | |
327 | 0, /* @tp_dictoffset@ */ | |
328 | 0, /* @tp_init@ */ | |
329 | PyType_GenericAlloc, /* @tp_alloc@ */ | |
330 | abstract_pynew, /* @tp_new@ */ | |
3aa33042 | 331 | 0, /* @tp_free@ */ |
d7ab1bab | 332 | 0 /* @tp_is_gc@ */ |
333 | }; | |
334 | ||
335 | static PyObject *lcrand_pynew(PyTypeObject *me, PyObject *arg, PyObject *kw) | |
336 | { | |
337 | uint32 n = 0; | |
827f89d7 MW |
338 | static const char *const kwlist[] = { "seed", 0 }; |
339 | if (!PyArg_ParseTupleAndKeywords(arg, kw, "|O&:new", KWLIST, convu32, &n)) | |
d7ab1bab | 340 | return (0); |
341 | return (grand_dopywrap(lcrand_pytype, lcrand_create(n), f_freeme)); | |
342 | } | |
343 | ||
344 | static PyTypeObject lcrand_pytype_skel = { | |
6d4db0bf | 345 | PyObject_HEAD_INIT(0) 0, /* Header */ |
c461c9b3 | 346 | "LCRand", /* @tp_name@ */ |
d7ab1bab | 347 | sizeof(grand_pyobj), /* @tp_basicsize@ */ |
348 | 0, /* @tp_itemsize@ */ | |
349 | ||
350 | grand_pydealloc, /* @tp_dealloc@ */ | |
351 | 0, /* @tp_print@ */ | |
352 | 0, /* @tp_getattr@ */ | |
353 | 0, /* @tp_setattr@ */ | |
354 | 0, /* @tp_compare@ */ | |
355 | 0, /* @tp_repr@ */ | |
356 | 0, /* @tp_as_number@ */ | |
357 | 0, /* @tp_as_sequence@ */ | |
358 | 0, /* @tp_as_mapping@ */ | |
359 | 0, /* @tp_hash@ */ | |
360 | 0, /* @tp_call@ */ | |
361 | 0, /* @tp_str@ */ | |
362 | 0, /* @tp_getattro@ */ | |
363 | 0, /* @tp_setattro@ */ | |
364 | 0, /* @tp_as_buffer@ */ | |
365 | Py_TPFLAGS_DEFAULT | /* @tp_flags@ */ | |
366 | Py_TPFLAGS_BASETYPE, | |
367 | ||
368 | /* @tp_doc@ */ | |
ef783f91 | 369 | "LCRand([seed = 0]): linear congruential generator.", |
d7ab1bab | 370 | |
371 | 0, /* @tp_traverse@ */ | |
372 | 0, /* @tp_clear@ */ | |
373 | 0, /* @tp_richcompare@ */ | |
374 | 0, /* @tp_weaklistoffset@ */ | |
375 | 0, /* @tp_iter@ */ | |
963a6148 | 376 | 0, /* @tp_iternext@ */ |
d7ab1bab | 377 | 0, /* @tp_methods@ */ |
378 | 0, /* @tp_members@ */ | |
379 | 0, /* @tp_getset@ */ | |
380 | 0, /* @tp_base@ */ | |
381 | 0, /* @tp_dict@ */ | |
382 | 0, /* @tp_descr_get@ */ | |
383 | 0, /* @tp_descr_set@ */ | |
384 | 0, /* @tp_dictoffset@ */ | |
385 | 0, /* @tp_init@ */ | |
386 | PyType_GenericAlloc, /* @tp_alloc@ */ | |
387 | lcrand_pynew, /* @tp_new@ */ | |
3aa33042 | 388 | 0, /* @tp_free@ */ |
d7ab1bab | 389 | 0 /* @tp_is_gc@ */ |
390 | }; | |
391 | ||
392 | static PyObject *fibrand_pynew(PyTypeObject *me, PyObject *arg, PyObject *kw) | |
393 | { | |
394 | uint32 n = 0; | |
827f89d7 MW |
395 | static const char *const kwlist[] = { "seed", 0 }; |
396 | if (!PyArg_ParseTupleAndKeywords(arg, kw, "|O&:new", KWLIST, convu32, &n)) | |
d7ab1bab | 397 | return (0); |
398 | return (grand_dopywrap(fibrand_pytype, fibrand_create(n), f_freeme)); | |
399 | } | |
400 | ||
401 | static PyTypeObject fibrand_pytype_skel = { | |
6d4db0bf | 402 | PyObject_HEAD_INIT(0) 0, /* Header */ |
c461c9b3 | 403 | "FibRand", /* @tp_name@ */ |
d7ab1bab | 404 | sizeof(grand_pyobj), /* @tp_basicsize@ */ |
405 | 0, /* @tp_itemsize@ */ | |
406 | ||
407 | grand_pydealloc, /* @tp_dealloc@ */ | |
408 | 0, /* @tp_print@ */ | |
409 | 0, /* @tp_getattr@ */ | |
410 | 0, /* @tp_setattr@ */ | |
411 | 0, /* @tp_compare@ */ | |
412 | 0, /* @tp_repr@ */ | |
413 | 0, /* @tp_as_number@ */ | |
414 | 0, /* @tp_as_sequence@ */ | |
415 | 0, /* @tp_as_mapping@ */ | |
416 | 0, /* @tp_hash@ */ | |
417 | 0, /* @tp_call@ */ | |
418 | 0, /* @tp_str@ */ | |
419 | 0, /* @tp_getattro@ */ | |
420 | 0, /* @tp_setattro@ */ | |
421 | 0, /* @tp_as_buffer@ */ | |
422 | Py_TPFLAGS_DEFAULT | /* @tp_flags@ */ | |
423 | Py_TPFLAGS_BASETYPE, | |
424 | ||
425 | /* @tp_doc@ */ | |
ef783f91 | 426 | "FibRand([seed = 0]): Fibonacci generator.", |
d7ab1bab | 427 | |
428 | 0, /* @tp_traverse@ */ | |
429 | 0, /* @tp_clear@ */ | |
430 | 0, /* @tp_richcompare@ */ | |
431 | 0, /* @tp_weaklistoffset@ */ | |
432 | 0, /* @tp_iter@ */ | |
963a6148 | 433 | 0, /* @tp_iternext@ */ |
d7ab1bab | 434 | 0, /* @tp_methods@ */ |
435 | 0, /* @tp_members@ */ | |
436 | 0, /* @tp_getset@ */ | |
437 | 0, /* @tp_base@ */ | |
438 | 0, /* @tp_dict@ */ | |
439 | 0, /* @tp_descr_get@ */ | |
440 | 0, /* @tp_descr_set@ */ | |
441 | 0, /* @tp_dictoffset@ */ | |
442 | 0, /* @tp_init@ */ | |
443 | PyType_GenericAlloc, /* @tp_alloc@ */ | |
444 | fibrand_pynew, /* @tp_new@ */ | |
3aa33042 | 445 | 0, /* @tp_free@ */ |
d7ab1bab | 446 | 0 /* @tp_is_gc@ */ |
447 | }; | |
448 | ||
449 | /*----- True random generator ---------------------------------------------*/ | |
450 | ||
451 | static PyObject *trmeth_gate(PyObject *me, PyObject *arg) | |
452 | { | |
453 | grand *r = GRAND_R(me); | |
454 | if (!PyArg_ParseTuple(arg, ":gate")) return (0); | |
455 | r->ops->misc(r, RAND_GATE); | |
456 | RETURN_ME; | |
457 | } | |
458 | ||
459 | static PyObject *trmeth_stretch(PyObject *me, PyObject *arg) | |
460 | { | |
461 | grand *r = GRAND_R(me); | |
462 | if (!PyArg_ParseTuple(arg, ":stretch")) return (0); | |
463 | r->ops->misc(r, RAND_STRETCH); | |
464 | RETURN_ME; | |
465 | } | |
466 | ||
850a4b48 MW |
467 | static PyObject *trmeth_add(PyObject *me, PyObject *arg) |
468 | { | |
469 | grand *r = GRAND_R(me); | |
6b54260d | 470 | char *p; Py_ssize_t n; unsigned goodbits; |
850a4b48 MW |
471 | if (!PyArg_ParseTuple(arg, "s#O&:add", &p, &n, convuint, &goodbits)) |
472 | return (0); | |
473 | r->ops->misc(r, RAND_ADD, p, (size_t)n, goodbits); | |
474 | RETURN_ME; | |
475 | } | |
476 | ||
d7ab1bab | 477 | static PyObject *trmeth_key(PyObject *me, PyObject *arg) |
478 | { | |
479 | grand *r = GRAND_R(me); | |
6b54260d | 480 | char *p; Py_ssize_t n; |
d7ab1bab | 481 | if (!PyArg_ParseTuple(arg, "s#:key", &p, &n)) return (0); |
850a4b48 | 482 | r->ops->misc(r, RAND_KEY, p, (size_t)n); |
d7ab1bab | 483 | RETURN_ME; |
484 | } | |
485 | ||
486 | static PyObject *trmeth_seed(PyObject *me, PyObject *arg) | |
487 | { | |
488 | grand *r = GRAND_R(me); | |
489 | unsigned u; | |
490 | if (!PyArg_ParseTuple(arg, "O&:seed", convuint, &u)) return (0); | |
491 | if (u > RAND_IBITS) VALERR("pointlessly large"); | |
492 | r->ops->misc(r, RAND_SEED, u); | |
493 | RETURN_ME; | |
494 | end: | |
495 | return (0); | |
496 | } | |
497 | ||
498 | static PyObject *trmeth_timer(PyObject *me, PyObject *arg) | |
499 | { | |
500 | grand *r = GRAND_R(me); | |
501 | if (!PyArg_ParseTuple(arg, ":timer")) return (0); | |
502 | r->ops->misc(r, RAND_TIMER); | |
503 | RETURN_ME; | |
504 | } | |
505 | ||
506 | static PyObject *truerand_pynew(PyTypeObject *ty, | |
507 | PyObject *arg, PyObject *kw) | |
508 | { | |
827f89d7 | 509 | static const char *const kwlist[] = { 0 }; |
d7ab1bab | 510 | grand *r; |
511 | PyObject *rc = 0; | |
62f9f6c4 | 512 | if (!PyArg_ParseTupleAndKeywords(arg, kw, ":new", KWLIST)) goto end; |
d7ab1bab | 513 | r = rand_create(); |
514 | r->ops->misc(r, RAND_NOISESRC, &noise_source); | |
515 | r->ops->misc(r, RAND_SEED, 160); | |
516 | rc = grand_dopywrap(ty, r, f_freeme); | |
517 | end: | |
518 | return (rc); | |
519 | } | |
520 | ||
637b9140 | 521 | static const PyMethodDef truerand_pymethods[] = { |
d7ab1bab | 522 | #define METHNAME(name) trmeth_##name |
523 | METH (gate, "R.gate()") | |
524 | METH (stretch, "R.stretch()") | |
525 | METH (key, "R.key(BYTES)") | |
526 | METH (seed, "R.seed(NBITS)") | |
850a4b48 | 527 | METH (add, "R.add(BYTES, GOODBITS") |
d7ab1bab | 528 | METH (timer, "R.timer()") |
529 | #undef METHNAME | |
530 | { 0 } | |
531 | }; | |
532 | ||
533 | static PyObject *trget_goodbits(PyObject *me, void *hunoz) | |
534 | { | |
535 | grand *r = GRAND_R(me); | |
536 | return (PyInt_FromLong(r->ops->misc(r, RAND_GOODBITS))); | |
537 | } | |
538 | ||
637b9140 | 539 | static const PyGetSetDef truerand_pygetset[] = { |
d7ab1bab | 540 | #define GETSETNAME(op, name) tr##op##_##name |
b2687a0a | 541 | GET (goodbits, "R.goodbits -> good bits of entropy remaining") |
d7ab1bab | 542 | #undef GETSETNAME |
543 | { 0 } | |
544 | }; | |
545 | ||
546 | static PyTypeObject truerand_pytype_skel = { | |
6d4db0bf | 547 | PyObject_HEAD_INIT(0) 0, /* Header */ |
c461c9b3 | 548 | "TrueRand", /* @tp_name@ */ |
d7ab1bab | 549 | sizeof(grand_pyobj), /* @tp_basicsize@ */ |
550 | 0, /* @tp_itemsize@ */ | |
551 | ||
552 | grand_pydealloc, /* @tp_dealloc@ */ | |
553 | 0, /* @tp_print@ */ | |
554 | 0, /* @tp_getattr@ */ | |
555 | 0, /* @tp_setattr@ */ | |
556 | 0, /* @tp_compare@ */ | |
557 | 0, /* @tp_repr@ */ | |
558 | 0, /* @tp_as_number@ */ | |
559 | 0, /* @tp_as_sequence@ */ | |
560 | 0, /* @tp_as_mapping@ */ | |
561 | 0, /* @tp_hash@ */ | |
562 | 0, /* @tp_call@ */ | |
563 | 0, /* @tp_str@ */ | |
564 | 0, /* @tp_getattro@ */ | |
565 | 0, /* @tp_setattro@ */ | |
566 | 0, /* @tp_as_buffer@ */ | |
567 | Py_TPFLAGS_DEFAULT | /* @tp_flags@ */ | |
568 | Py_TPFLAGS_BASETYPE, | |
569 | ||
570 | /* @tp_doc@ */ | |
ef783f91 | 571 | "TrueRand(): true random number source.", |
d7ab1bab | 572 | |
573 | 0, /* @tp_traverse@ */ | |
574 | 0, /* @tp_clear@ */ | |
575 | 0, /* @tp_richcompare@ */ | |
576 | 0, /* @tp_weaklistoffset@ */ | |
577 | 0, /* @tp_iter@ */ | |
963a6148 | 578 | 0, /* @tp_iternext@ */ |
637b9140 | 579 | PYMETHODS(truerand), /* @tp_methods@ */ |
d7ab1bab | 580 | 0, /* @tp_members@ */ |
637b9140 | 581 | PYGETSET(truerand), /* @tp_getset@ */ |
d7ab1bab | 582 | 0, /* @tp_base@ */ |
583 | 0, /* @tp_dict@ */ | |
584 | 0, /* @tp_descr_get@ */ | |
585 | 0, /* @tp_descr_set@ */ | |
586 | 0, /* @tp_dictoffset@ */ | |
587 | 0, /* @tp_init@ */ | |
588 | PyType_GenericAlloc, /* @tp_alloc@ */ | |
589 | truerand_pynew, /* @tp_new@ */ | |
3aa33042 | 590 | 0, /* @tp_free@ */ |
d7ab1bab | 591 | 0 /* @tp_is_gc@ */ |
592 | }; | |
593 | ||
850a4b48 MW |
594 | /*----- Generators from symmetric encryption algorithms -------------------*/ |
595 | ||
35e5469a | 596 | static PyTypeObject *gccrand_pytype, *gcrand_pytype, *gclatinrand_pytype; |
850a4b48 MW |
597 | |
598 | typedef grand *gcrand_func(const void *, size_t sz); | |
599 | typedef grand *gcirand_func(const void *, size_t sz, uint32); | |
3f4f64b8 | 600 | typedef grand *gcnrand_func(const void *, size_t sz, const void *); |
6bd22b53 MW |
601 | typedef grand *gcshakerand_func(const void *, size_t, |
602 | const void *, size_t, | |
603 | const void *, size_t); | |
604 | typedef grand *gcshafuncrand_func(const void *, size_t, | |
605 | const void *, size_t); | |
606 | typedef grand *gckmacrand_func(const void *, size_t, const void *, size_t); | |
850a4b48 MW |
607 | typedef struct gccrand_info { |
608 | const char *name; | |
609 | const octet *keysz; | |
610 | unsigned f; | |
3f4f64b8 | 611 | size_t noncesz; |
850a4b48 MW |
612 | gcrand_func *func; |
613 | } gccrand_info; | |
614 | ||
34825452 MW |
615 | #define RNGF_MASK 255u |
616 | ||
617 | enum { | |
618 | RNG_PLAIN = 0, | |
619 | RNG_SEAL, | |
620 | RNG_LATIN, | |
621 | RNG_SHAKE, | |
622 | RNG_KMAC | |
623 | }; | |
78f06cd3 | 624 | |
850a4b48 MW |
625 | typedef struct gccrand_pyobj { |
626 | PyHeapTypeObject ty; | |
627 | const gccrand_info *info; | |
628 | } gccrand_pyobj; | |
629 | #define GCCRAND_INFO(o) (((gccrand_pyobj *)(o))->info) | |
630 | ||
3f4f64b8 | 631 | #define GCCRAND_DEF(name, ksz, func, f, nsz) \ |
850a4b48 | 632 | static const gccrand_info func##_info = \ |
3f4f64b8 | 633 | { name, ksz, f, nsz, (gcrand_func *)func }; |
850a4b48 MW |
634 | RNGS(GCCRAND_DEF) |
635 | ||
636 | static const gccrand_info *const gcrandtab[] = { | |
3f4f64b8 | 637 | #define GCCRAND_ENTRY(name, ksz, func, f, nsz) &func##_info, |
850a4b48 MW |
638 | RNGS(GCCRAND_ENTRY) |
639 | 0 | |
640 | }; | |
641 | ||
642 | static PyObject *gcrand_pynew(PyTypeObject *ty, PyObject *arg, PyObject *kw) | |
643 | { | |
644 | const gccrand_info *info = GCCRAND_INFO(ty); | |
827f89d7 | 645 | static const char *const kwlist[] = { "key", 0 }; |
850a4b48 | 646 | char *k; |
6b54260d | 647 | Py_ssize_t n; |
850a4b48 | 648 | |
827f89d7 | 649 | if (!PyArg_ParseTupleAndKeywords(arg, kw, "s#:new", KWLIST, &k, &n)) |
850a4b48 MW |
650 | goto end; |
651 | if (keysz(n, info->keysz) != n) VALERR("bad key length"); | |
652 | return (grand_dopywrap(ty, info->func(k, n), f_freeme)); | |
653 | end: | |
b2687a0a | 654 | return (0); |
850a4b48 MW |
655 | } |
656 | ||
657 | static PyObject *gcirand_pynew(PyTypeObject *ty, PyObject *arg, PyObject *kw) | |
658 | { | |
659 | const gccrand_info *info = GCCRAND_INFO(ty); | |
660 | uint32 i = 0; | |
827f89d7 | 661 | static const char *const kwlist[] = { "key", "i", 0 }; |
850a4b48 | 662 | char *k; |
6b54260d | 663 | Py_ssize_t n; |
850a4b48 | 664 | |
827f89d7 | 665 | if (!PyArg_ParseTupleAndKeywords(arg, kw, "s#O&:new", KWLIST, |
850a4b48 MW |
666 | &k, &n, convu32, &i)) |
667 | goto end; | |
668 | if (keysz(n, info->keysz) != n) VALERR("bad key length"); | |
669 | return (grand_dopywrap(ty, | |
670 | ((gcirand_func *)info->func)(k, n, i), | |
671 | f_freeme)); | |
672 | end: | |
b2687a0a | 673 | return (0); |
850a4b48 MW |
674 | } |
675 | ||
3f4f64b8 MW |
676 | static PyObject *gcnrand_pynew(PyTypeObject *ty, PyObject *arg, PyObject *kw) |
677 | { | |
678 | const gccrand_info *info = GCCRAND_INFO(ty); | |
827f89d7 | 679 | static const char *const kwlist[] = { "key", "nonce", 0 }; |
3f4f64b8 | 680 | char *k, *n; |
6b54260d | 681 | Py_ssize_t ksz, nsz; |
3f4f64b8 | 682 | |
827f89d7 | 683 | if (!PyArg_ParseTupleAndKeywords(arg, kw, "s#s#:new", KWLIST, |
3f4f64b8 MW |
684 | &k, &ksz, &n, &nsz)) |
685 | goto end; | |
686 | if (keysz(ksz, info->keysz) != ksz) VALERR("bad key length"); | |
687 | if (nsz != info->noncesz) VALERR("bad nonce length"); | |
688 | return (grand_dopywrap(ty, | |
689 | ((gcnrand_func *)info->func)(k, ksz, n), | |
690 | f_freeme)); | |
691 | end: | |
692 | return (0); | |
693 | } | |
694 | ||
6bd22b53 MW |
695 | static PyObject *gcshakyrand_pynew(PyTypeObject *ty, |
696 | PyObject *arg, PyObject *kw) | |
697 | { | |
698 | const gccrand_info *info = GCCRAND_INFO(ty); | |
827f89d7 MW |
699 | static const char |
700 | *const kwlist_shake[] = { "key", "func", "perso", 0 }, | |
701 | *const kwlist_func[] = { "key", "perso", 0 }; | |
6bd22b53 MW |
702 | char *k, *f = 0, *p = 0; |
703 | Py_ssize_t ksz, fsz = 0, psz = 0; | |
704 | ||
705 | if ((info->f&RNGF_MASK) == RNG_SHAKE | |
827f89d7 MW |
706 | ? !PyArg_ParseTupleAndKeywords(arg, kw, "s#|s#s#:new", |
707 | (/*unconst*/ char **)kwlist_shake, | |
6bd22b53 | 708 | &k, &ksz, &f, &fsz, &p, &psz) |
827f89d7 MW |
709 | : !PyArg_ParseTupleAndKeywords(arg, kw, "s#|s#:new", |
710 | (/*unconst*/ char **)kwlist_func, | |
6bd22b53 MW |
711 | &k, &ksz, &p, &psz)) |
712 | goto end; | |
713 | if (keysz(ksz, info->keysz) != ksz) VALERR("bad key length"); | |
714 | return (grand_dopywrap(ty, | |
715 | (info->f&RNGF_MASK) == RNG_SHAKE | |
716 | ? ((gcshakerand_func *)info->func)(f, fsz, | |
717 | p, psz, | |
718 | k, ksz) | |
719 | : ((gcshafuncrand_func *)info->func)(p, psz, | |
720 | k, ksz), | |
721 | f_freeme)); | |
722 | end: | |
723 | return (0); | |
724 | } | |
725 | ||
850a4b48 MW |
726 | static PyObject *gccrand_pywrap(const gccrand_info *info) |
727 | { | |
728 | gccrand_pyobj *g = newtype(gccrand_pytype, 0, info->name); | |
729 | g->info = info; | |
24b3d57b | 730 | g->ty.ht_type.tp_basicsize = sizeof(grand_pyobj); |
34825452 MW |
731 | switch (info->f&RNGF_MASK) { |
732 | case RNG_LATIN: g->ty.ht_type.tp_base = gclatinrand_pytype; break; | |
733 | default: g->ty.ht_type.tp_base = gcrand_pytype; break; | |
734 | } | |
35e5469a | 735 | Py_INCREF(g->ty.ht_type.tp_base); |
24b3d57b MW |
736 | g->ty.ht_type.tp_flags = (Py_TPFLAGS_DEFAULT | |
737 | Py_TPFLAGS_BASETYPE | | |
738 | Py_TPFLAGS_HEAPTYPE); | |
739 | g->ty.ht_type.tp_alloc = PyType_GenericAlloc; | |
740 | g->ty.ht_type.tp_free = 0; | |
34825452 MW |
741 | switch (info->f&RNGF_MASK) { |
742 | case RNG_LATIN: g->ty.ht_type.tp_new = gcnrand_pynew; break; | |
743 | case RNG_SEAL: g->ty.ht_type.tp_new = gcirand_pynew; break; | |
6bd22b53 MW |
744 | case RNG_SHAKE: case RNG_KMAC: |
745 | g->ty.ht_type.tp_new = gcshakyrand_pynew; break; | |
34825452 MW |
746 | default: g->ty.ht_type.tp_new = gcrand_pynew; break; |
747 | } | |
dc075750 | 748 | typeready(&g->ty.ht_type); |
850a4b48 MW |
749 | return ((PyObject *)g); |
750 | } | |
751 | ||
752 | static PyObject *gccrget_name(PyObject *me, void *hunoz) | |
753 | { return (PyString_FromString(GCCRAND_INFO(me)->name)); } | |
754 | static PyObject *gccrget_keysz(PyObject *me, void *hunoz) | |
755 | { return (keysz_pywrap(GCCRAND_INFO(me)->keysz)); } | |
756 | ||
35e5469a MW |
757 | static PyObject *gclrmeth_tell(PyObject *me, PyObject *arg) |
758 | { | |
759 | grand *r = GRAND_R(me); | |
760 | PyObject *rc = 0; | |
761 | kludge64 off; | |
762 | ||
763 | if (!PyArg_ParseTuple(arg, ":tell")) return (0); | |
764 | r->ops->misc(r, SALSA20_TELLU64, &off); | |
765 | rc = getk64(off); | |
766 | return (rc); | |
767 | } | |
768 | ||
769 | static PyObject *gclrmeth_seek(PyObject *me, PyObject *arg) | |
770 | { | |
771 | grand *r = GRAND_R(me); | |
772 | kludge64 off; | |
773 | ||
774 | if (!PyArg_ParseTuple(arg, "O&:seek", convk64, &off)) return (0); | |
775 | r->ops->misc(r, SALSA20_SEEKU64, off); | |
776 | RETURN_ME; | |
777 | } | |
778 | ||
637b9140 | 779 | static const PyGetSetDef gccrand_pygetset[] = { |
850a4b48 | 780 | #define GETSETNAME(op, name) gccr##op##_##name |
ef783f91 MW |
781 | GET (keysz, "CR.keysz -> acceptable key sizes") |
782 | GET (name, "CR.name -> name of this kind of generator") | |
850a4b48 MW |
783 | #undef GETSETNAME |
784 | { 0 } | |
785 | }; | |
786 | ||
637b9140 | 787 | static const PyMethodDef gclatinrand_pymethods[] = { |
35e5469a MW |
788 | #define METHNAME(name) gclrmeth_##name |
789 | METH (tell, "R.tell() -> OFF") | |
790 | METH (seek, "R.seek(OFF)") | |
791 | #undef METHNAME | |
792 | { 0 } | |
793 | }; | |
794 | ||
850a4b48 MW |
795 | static PyTypeObject gccrand_pytype_skel = { |
796 | PyObject_HEAD_INIT(0) 0, /* Header */ | |
c461c9b3 | 797 | "GCCRand", /* @tp_name@ */ |
850a4b48 MW |
798 | sizeof(gccrand_pyobj), /* @tp_basicsize@ */ |
799 | 0, /* @tp_itemsize@ */ | |
800 | ||
801 | 0, /* @tp_dealloc@ */ | |
802 | 0, /* @tp_print@ */ | |
803 | 0, /* @tp_getattr@ */ | |
804 | 0, /* @tp_setattr@ */ | |
805 | 0, /* @tp_compare@ */ | |
806 | 0, /* @tp_repr@ */ | |
807 | 0, /* @tp_as_number@ */ | |
808 | 0, /* @tp_as_sequence@ */ | |
809 | 0, /* @tp_as_mapping@ */ | |
810 | 0, /* @tp_hash@ */ | |
811 | 0, /* @tp_call@ */ | |
812 | 0, /* @tp_str@ */ | |
813 | 0, /* @tp_getattro@ */ | |
814 | 0, /* @tp_setattro@ */ | |
815 | 0, /* @tp_as_buffer@ */ | |
816 | Py_TPFLAGS_DEFAULT | /* @tp_flags@ */ | |
817 | Py_TPFLAGS_BASETYPE, | |
818 | ||
819 | /* @tp_doc@ */ | |
ef783f91 | 820 | "Metaclass for symmetric crypto-based generators.", |
850a4b48 MW |
821 | |
822 | 0, /* @tp_traverse@ */ | |
823 | 0, /* @tp_clear@ */ | |
824 | 0, /* @tp_richcompare@ */ | |
825 | 0, /* @tp_weaklistoffset@ */ | |
826 | 0, /* @tp_iter@ */ | |
827 | 0, /* @tp_iternext@ */ | |
828 | 0, /* @tp_methods@ */ | |
829 | 0, /* @tp_members@ */ | |
637b9140 | 830 | PYGETSET(gccrand), /* @tp_getset@ */ |
850a4b48 MW |
831 | 0, /* @tp_base@ */ |
832 | 0, /* @tp_dict@ */ | |
833 | 0, /* @tp_descr_get@ */ | |
834 | 0, /* @tp_descr_set@ */ | |
835 | 0, /* @tp_dictoffset@ */ | |
836 | 0, /* @tp_init@ */ | |
837 | PyType_GenericAlloc, /* @tp_alloc@ */ | |
838 | abstract_pynew, /* @tp_new@ */ | |
839 | 0, /* @tp_free@ */ | |
840 | 0 /* @tp_is_gc@ */ | |
841 | }; | |
842 | ||
843 | static PyTypeObject gcrand_pytype_skel = { | |
844 | PyObject_HEAD_INIT(0) 0, /* Header */ | |
c461c9b3 | 845 | "GCRand", /* @tp_name@ */ |
850a4b48 MW |
846 | sizeof(grand_pyobj), /* @tp_basicsize@ */ |
847 | 0, /* @tp_itemsize@ */ | |
848 | ||
849 | grand_pydealloc, /* @tp_dealloc@ */ | |
850 | 0, /* @tp_print@ */ | |
851 | 0, /* @tp_getattr@ */ | |
852 | 0, /* @tp_setattr@ */ | |
853 | 0, /* @tp_compare@ */ | |
854 | 0, /* @tp_repr@ */ | |
855 | 0, /* @tp_as_number@ */ | |
856 | 0, /* @tp_as_sequence@ */ | |
857 | 0, /* @tp_as_mapping@ */ | |
858 | 0, /* @tp_hash@ */ | |
859 | 0, /* @tp_call@ */ | |
860 | 0, /* @tp_str@ */ | |
861 | 0, /* @tp_getattro@ */ | |
862 | 0, /* @tp_setattro@ */ | |
863 | 0, /* @tp_as_buffer@ */ | |
864 | Py_TPFLAGS_DEFAULT | /* @tp_flags@ */ | |
865 | Py_TPFLAGS_BASETYPE, | |
866 | ||
867 | /* @tp_doc@ */ | |
ef783f91 | 868 | "Abstract base class for symmetric crypto-based generators.", |
850a4b48 MW |
869 | |
870 | 0, /* @tp_traverse@ */ | |
871 | 0, /* @tp_clear@ */ | |
872 | 0, /* @tp_richcompare@ */ | |
873 | 0, /* @tp_weaklistoffset@ */ | |
874 | 0, /* @tp_iter@ */ | |
875 | 0, /* @tp_iternext@ */ | |
876 | 0, /* @tp_methods@ */ | |
877 | 0, /* @tp_members@ */ | |
878 | 0, /* @tp_getset@ */ | |
879 | 0, /* @tp_base@ */ | |
880 | 0, /* @tp_dict@ */ | |
881 | 0, /* @tp_descr_get@ */ | |
882 | 0, /* @tp_descr_set@ */ | |
883 | 0, /* @tp_dictoffset@ */ | |
884 | 0, /* @tp_init@ */ | |
885 | PyType_GenericAlloc, /* @tp_alloc@ */ | |
886 | abstract_pynew, /* @tp_new@ */ | |
887 | 0, /* @tp_free@ */ | |
888 | 0 /* @tp_is_gc@ */ | |
889 | }; | |
890 | ||
35e5469a MW |
891 | static PyTypeObject gclatinrand_pytype_skel = { |
892 | PyObject_HEAD_INIT(0) 0, /* Header */ | |
893 | "GCLatinRand", /* @tp_name@ */ | |
894 | sizeof(grand_pyobj), /* @tp_basicsize@ */ | |
895 | 0, /* @tp_itemsize@ */ | |
896 | ||
897 | grand_pydealloc, /* @tp_dealloc@ */ | |
898 | 0, /* @tp_print@ */ | |
899 | 0, /* @tp_getattr@ */ | |
900 | 0, /* @tp_setattr@ */ | |
901 | 0, /* @tp_compare@ */ | |
902 | 0, /* @tp_repr@ */ | |
903 | 0, /* @tp_as_number@ */ | |
904 | 0, /* @tp_as_sequence@ */ | |
905 | 0, /* @tp_as_mapping@ */ | |
906 | 0, /* @tp_hash@ */ | |
907 | 0, /* @tp_call@ */ | |
908 | 0, /* @tp_str@ */ | |
909 | 0, /* @tp_getattro@ */ | |
910 | 0, /* @tp_setattro@ */ | |
911 | 0, /* @tp_as_buffer@ */ | |
912 | Py_TPFLAGS_DEFAULT | /* @tp_flags@ */ | |
913 | Py_TPFLAGS_BASETYPE, | |
914 | ||
915 | /* @tp_doc@ */ | |
ef783f91 | 916 | "Abstract base class for symmetric crypto-based generators.", |
35e5469a MW |
917 | |
918 | 0, /* @tp_traverse@ */ | |
919 | 0, /* @tp_clear@ */ | |
920 | 0, /* @tp_richcompare@ */ | |
921 | 0, /* @tp_weaklistoffset@ */ | |
922 | 0, /* @tp_iter@ */ | |
923 | 0, /* @tp_iternext@ */ | |
637b9140 | 924 | PYMETHODS(gclatinrand), /* @tp_methods@ */ |
35e5469a MW |
925 | 0, /* @tp_members@ */ |
926 | 0, /* @tp_getset@ */ | |
927 | 0, /* @tp_base@ */ | |
928 | 0, /* @tp_dict@ */ | |
929 | 0, /* @tp_descr_get@ */ | |
930 | 0, /* @tp_descr_set@ */ | |
931 | 0, /* @tp_dictoffset@ */ | |
932 | 0, /* @tp_init@ */ | |
933 | PyType_GenericAlloc, /* @tp_alloc@ */ | |
934 | abstract_pynew, /* @tp_new@ */ | |
935 | 0, /* @tp_free@ */ | |
936 | 0 /* @tp_is_gc@ */ | |
937 | }; | |
938 | ||
d7ab1bab | 939 | /*----- SSL and TLS generators --------------------------------------------*/ |
940 | ||
941 | static PyObject *sslprf_pynew(PyTypeObject *ty, PyObject *arg, PyObject *kw) | |
942 | { | |
943 | char *k, *s; | |
944 | int ksz, ssz; | |
945 | const gchash *hco = &md5, *hci = &sha; | |
946 | PyObject *rc = 0; | |
827f89d7 | 947 | static const char *const kwlist[] = { "key", "seed", "ohash", "ihash", 0 }; |
d7ab1bab | 948 | |
827f89d7 | 949 | if (!PyArg_ParseTupleAndKeywords(arg, kw, "s#s#|O&O&:new", KWLIST, |
d7ab1bab | 950 | &k, &ksz, &s, &ssz, |
951 | convgchash, &hco, convgchash, &hci)) | |
952 | goto end; | |
953 | rc = grand_dopywrap(ty, sslprf_rand(hco, hci, k, ksz, s, ssz), f_freeme); | |
954 | end: | |
955 | return (rc); | |
956 | } | |
957 | ||
958 | static PyObject *tlsdx_pynew(PyTypeObject *ty, PyObject *arg, PyObject *kw) | |
959 | { | |
960 | char *k, *s; | |
961 | int ksz, ssz; | |
962 | const gcmac *mc = &sha_hmac; | |
963 | PyObject *rc = 0; | |
827f89d7 | 964 | static const char *const kwlist[] = { "key", "seed", "mac", 0 }; |
d7ab1bab | 965 | |
827f89d7 | 966 | if (!PyArg_ParseTupleAndKeywords(arg, kw, "s#s#|O&:new", KWLIST, |
d7ab1bab | 967 | &k, &ksz, &s, &ssz, |
968 | convgcmac, &mc)) | |
969 | goto end; | |
970 | rc = grand_dopywrap(ty, tlsdx_rand(mc, k, ksz, s, ssz), f_freeme); | |
971 | end: | |
972 | return (rc); | |
973 | } | |
974 | ||
975 | static PyObject *tlsprf_pynew(PyTypeObject *ty, PyObject *arg, PyObject *kw) | |
976 | { | |
977 | char *k, *s; | |
978 | int ksz, ssz; | |
979 | const gcmac *mcl = &md5_hmac, *mcr = &sha_hmac; | |
980 | PyObject *rc = 0; | |
827f89d7 | 981 | static const char *const kwlist[] = { "key", "seed", "lmac", "rmac", 0 }; |
d7ab1bab | 982 | |
827f89d7 | 983 | if (!PyArg_ParseTupleAndKeywords(arg, kw, "s#s#|O&O&:new", KWLIST, |
d7ab1bab | 984 | &k, &ksz, &s, &ssz, |
985 | convgcmac, &mcl, convgcmac, &mcr)) | |
986 | goto end; | |
987 | rc = grand_dopywrap(ty, tlsprf_rand(mcl, mcr, k, ksz, s, ssz), f_freeme); | |
988 | end: | |
989 | return (rc); | |
990 | } | |
991 | ||
992 | static PyTypeObject sslprf_pytype_skel = { | |
6d4db0bf | 993 | PyObject_HEAD_INIT(0) 0, /* Header */ |
c461c9b3 | 994 | "SSLRand", /* @tp_name@ */ |
d7ab1bab | 995 | sizeof(grand_pyobj), /* @tp_basicsize@ */ |
996 | 0, /* @tp_itemsize@ */ | |
997 | ||
998 | grand_pydealloc, /* @tp_dealloc@ */ | |
999 | 0, /* @tp_print@ */ | |
1000 | 0, /* @tp_getattr@ */ | |
1001 | 0, /* @tp_setattr@ */ | |
1002 | 0, /* @tp_compare@ */ | |
1003 | 0, /* @tp_repr@ */ | |
1004 | 0, /* @tp_as_number@ */ | |
1005 | 0, /* @tp_as_sequence@ */ | |
1006 | 0, /* @tp_as_mapping@ */ | |
1007 | 0, /* @tp_hash@ */ | |
1008 | 0, /* @tp_call@ */ | |
1009 | 0, /* @tp_str@ */ | |
1010 | 0, /* @tp_getattro@ */ | |
1011 | 0, /* @tp_setattro@ */ | |
1012 | 0, /* @tp_as_buffer@ */ | |
1013 | Py_TPFLAGS_DEFAULT | /* @tp_flags@ */ | |
1014 | Py_TPFLAGS_BASETYPE, | |
1015 | ||
1016 | /* @tp_doc@ */ | |
ef783f91 MW |
1017 | "SSLRand(KEY, SEED, [ohash = md5], [ihash = sha]):\n" |
1018 | " RNG for SSL master secret.", | |
d7ab1bab | 1019 | |
1020 | 0, /* @tp_traverse@ */ | |
1021 | 0, /* @tp_clear@ */ | |
1022 | 0, /* @tp_richcompare@ */ | |
1023 | 0, /* @tp_weaklistoffset@ */ | |
1024 | 0, /* @tp_iter@ */ | |
963a6148 | 1025 | 0, /* @tp_iternext@ */ |
d7ab1bab | 1026 | 0, /* @tp_methods@ */ |
1027 | 0, /* @tp_members@ */ | |
1028 | 0, /* @tp_getset@ */ | |
1029 | 0, /* @tp_base@ */ | |
1030 | 0, /* @tp_dict@ */ | |
1031 | 0, /* @tp_descr_get@ */ | |
1032 | 0, /* @tp_descr_set@ */ | |
1033 | 0, /* @tp_dictoffset@ */ | |
1034 | 0, /* @tp_init@ */ | |
1035 | PyType_GenericAlloc, /* @tp_alloc@ */ | |
1036 | sslprf_pynew, /* @tp_new@ */ | |
3aa33042 | 1037 | 0, /* @tp_free@ */ |
d7ab1bab | 1038 | 0 /* @tp_is_gc@ */ |
1039 | }; | |
1040 | ||
1041 | static PyTypeObject tlsdx_pytype_skel = { | |
6d4db0bf | 1042 | PyObject_HEAD_INIT(0) 0, /* Header */ |
c461c9b3 | 1043 | "TLSDataExpansion", /* @tp_name@ */ |
d7ab1bab | 1044 | sizeof(grand_pyobj), /* @tp_basicsize@ */ |
1045 | 0, /* @tp_itemsize@ */ | |
1046 | ||
1047 | grand_pydealloc, /* @tp_dealloc@ */ | |
1048 | 0, /* @tp_print@ */ | |
1049 | 0, /* @tp_getattr@ */ | |
1050 | 0, /* @tp_setattr@ */ | |
1051 | 0, /* @tp_compare@ */ | |
1052 | 0, /* @tp_repr@ */ | |
1053 | 0, /* @tp_as_number@ */ | |
1054 | 0, /* @tp_as_sequence@ */ | |
1055 | 0, /* @tp_as_mapping@ */ | |
1056 | 0, /* @tp_hash@ */ | |
1057 | 0, /* @tp_call@ */ | |
1058 | 0, /* @tp_str@ */ | |
1059 | 0, /* @tp_getattro@ */ | |
1060 | 0, /* @tp_setattro@ */ | |
1061 | 0, /* @tp_as_buffer@ */ | |
1062 | Py_TPFLAGS_DEFAULT | /* @tp_flags@ */ | |
1063 | Py_TPFLAGS_BASETYPE, | |
1064 | ||
1065 | /* @tp_doc@ */ | |
ef783f91 MW |
1066 | "TLSDataExpansion(KEY, SEED, [mac = sha_hmac]):\n" |
1067 | " TLS data expansion function.", | |
d7ab1bab | 1068 | |
1069 | 0, /* @tp_traverse@ */ | |
1070 | 0, /* @tp_clear@ */ | |
1071 | 0, /* @tp_richcompare@ */ | |
1072 | 0, /* @tp_weaklistoffset@ */ | |
1073 | 0, /* @tp_iter@ */ | |
963a6148 | 1074 | 0, /* @tp_iternext@ */ |
d7ab1bab | 1075 | 0, /* @tp_methods@ */ |
1076 | 0, /* @tp_members@ */ | |
1077 | 0, /* @tp_getset@ */ | |
1078 | 0, /* @tp_base@ */ | |
1079 | 0, /* @tp_dict@ */ | |
1080 | 0, /* @tp_descr_get@ */ | |
1081 | 0, /* @tp_descr_set@ */ | |
1082 | 0, /* @tp_dictoffset@ */ | |
1083 | 0, /* @tp_init@ */ | |
1084 | PyType_GenericAlloc, /* @tp_alloc@ */ | |
1085 | tlsdx_pynew, /* @tp_new@ */ | |
3aa33042 | 1086 | 0, /* @tp_free@ */ |
d7ab1bab | 1087 | 0 /* @tp_is_gc@ */ |
1088 | }; | |
1089 | ||
1090 | static PyTypeObject tlsprf_pytype_skel = { | |
6d4db0bf | 1091 | PyObject_HEAD_INIT(0) 0, /* Header */ |
c461c9b3 | 1092 | "TLSPRF", /* @tp_name@ */ |
d7ab1bab | 1093 | sizeof(grand_pyobj), /* @tp_basicsize@ */ |
1094 | 0, /* @tp_itemsize@ */ | |
1095 | ||
1096 | grand_pydealloc, /* @tp_dealloc@ */ | |
1097 | 0, /* @tp_print@ */ | |
1098 | 0, /* @tp_getattr@ */ | |
1099 | 0, /* @tp_setattr@ */ | |
1100 | 0, /* @tp_compare@ */ | |
1101 | 0, /* @tp_repr@ */ | |
1102 | 0, /* @tp_as_number@ */ | |
1103 | 0, /* @tp_as_sequence@ */ | |
1104 | 0, /* @tp_as_mapping@ */ | |
1105 | 0, /* @tp_hash@ */ | |
1106 | 0, /* @tp_call@ */ | |
1107 | 0, /* @tp_str@ */ | |
1108 | 0, /* @tp_getattro@ */ | |
1109 | 0, /* @tp_setattro@ */ | |
1110 | 0, /* @tp_as_buffer@ */ | |
1111 | Py_TPFLAGS_DEFAULT | /* @tp_flags@ */ | |
1112 | Py_TPFLAGS_BASETYPE, | |
1113 | ||
1114 | /* @tp_doc@ */ | |
ef783f91 MW |
1115 | "TLSPRF(KEY, SEED, [lmac = md5_hmac], [rmac = sha_hmac]):\n" |
1116 | " TLS pseudorandom function.", | |
d7ab1bab | 1117 | |
1118 | 0, /* @tp_traverse@ */ | |
1119 | 0, /* @tp_clear@ */ | |
1120 | 0, /* @tp_richcompare@ */ | |
1121 | 0, /* @tp_weaklistoffset@ */ | |
1122 | 0, /* @tp_iter@ */ | |
963a6148 | 1123 | 0, /* @tp_iternext@ */ |
d7ab1bab | 1124 | 0, /* @tp_methods@ */ |
1125 | 0, /* @tp_members@ */ | |
1126 | 0, /* @tp_getset@ */ | |
1127 | 0, /* @tp_base@ */ | |
1128 | 0, /* @tp_dict@ */ | |
1129 | 0, /* @tp_descr_get@ */ | |
1130 | 0, /* @tp_descr_set@ */ | |
1131 | 0, /* @tp_dictoffset@ */ | |
1132 | 0, /* @tp_init@ */ | |
1133 | PyType_GenericAlloc, /* @tp_alloc@ */ | |
1134 | tlsprf_pynew, /* @tp_new@ */ | |
3aa33042 | 1135 | 0, /* @tp_free@ */ |
d7ab1bab | 1136 | 0 /* @tp_is_gc@ */ |
1137 | }; | |
1138 | ||
1139 | /*----- DSA generator -----------------------------------------------------*/ | |
1140 | ||
1141 | static PyObject *dsarand_pynew(PyTypeObject *ty, PyObject *arg, PyObject *kw) | |
1142 | { | |
1143 | char *p; | |
1144 | int sz; | |
1145 | PyObject *rc = 0; | |
827f89d7 | 1146 | static const char *const kwlist[] = { "seed", 0 }; |
d7ab1bab | 1147 | |
827f89d7 | 1148 | if (!PyArg_ParseTupleAndKeywords(arg, kw, "s#:new", KWLIST, &p, &sz)) |
d7ab1bab | 1149 | goto end; |
1150 | rc = grand_dopywrap(ty, dsarand_create(p, sz), f_freeme); | |
1151 | end: | |
98963817 | 1152 | return (rc); |
d7ab1bab | 1153 | } |
1154 | ||
1155 | static PyObject *drget_seed(PyObject *me, void *hunoz) | |
1156 | { | |
1157 | grand *r = GRAND_R(me); | |
1158 | int n = r->ops->misc(r, DSARAND_SEEDSZ); | |
1159 | PyObject *rc = bytestring_pywrap(0, n); | |
1160 | r->ops->misc(r, DSARAND_GETSEED, PyString_AS_STRING(rc)); | |
1161 | return (rc); | |
1162 | } | |
1163 | ||
637b9140 | 1164 | static const PyGetSetDef dsarand_pygetset[] = { |
d7ab1bab | 1165 | #define GETSETNAME(op, name) dr##op##_##name |
1166 | GET (seed, "R.seed -> current generator seed") | |
1167 | #undef GETSETNAME | |
1168 | { 0 } | |
1169 | }; | |
1170 | ||
1171 | static PyTypeObject dsarand_pytype_skel = { | |
6d4db0bf | 1172 | PyObject_HEAD_INIT(0) 0, /* Header */ |
c461c9b3 | 1173 | "DSARand", /* @tp_name@ */ |
d7ab1bab | 1174 | sizeof(grand_pyobj), /* @tp_basicsize@ */ |
1175 | 0, /* @tp_itemsize@ */ | |
1176 | ||
1177 | grand_pydealloc, /* @tp_dealloc@ */ | |
1178 | 0, /* @tp_print@ */ | |
1179 | 0, /* @tp_getattr@ */ | |
1180 | 0, /* @tp_setattr@ */ | |
1181 | 0, /* @tp_compare@ */ | |
1182 | 0, /* @tp_repr@ */ | |
1183 | 0, /* @tp_as_number@ */ | |
1184 | 0, /* @tp_as_sequence@ */ | |
1185 | 0, /* @tp_as_mapping@ */ | |
1186 | 0, /* @tp_hash@ */ | |
1187 | 0, /* @tp_call@ */ | |
1188 | 0, /* @tp_str@ */ | |
1189 | 0, /* @tp_getattro@ */ | |
1190 | 0, /* @tp_setattro@ */ | |
1191 | 0, /* @tp_as_buffer@ */ | |
1192 | Py_TPFLAGS_DEFAULT | /* @tp_flags@ */ | |
1193 | Py_TPFLAGS_BASETYPE, | |
1194 | ||
1195 | /* @tp_doc@ */ | |
ef783f91 | 1196 | "DSARand(SEED): pseudorandom number generator for DSA parameters.", |
d7ab1bab | 1197 | |
1198 | 0, /* @tp_traverse@ */ | |
1199 | 0, /* @tp_clear@ */ | |
1200 | 0, /* @tp_richcompare@ */ | |
1201 | 0, /* @tp_weaklistoffset@ */ | |
1202 | 0, /* @tp_iter@ */ | |
963a6148 | 1203 | 0, /* @tp_iternext@ */ |
d7ab1bab | 1204 | 0, /* @tp_methods@ */ |
1205 | 0, /* @tp_members@ */ | |
637b9140 | 1206 | PYGETSET(dsarand), /* @tp_getset@ */ |
d7ab1bab | 1207 | 0, /* @tp_base@ */ |
1208 | 0, /* @tp_dict@ */ | |
1209 | 0, /* @tp_descr_get@ */ | |
1210 | 0, /* @tp_descr_set@ */ | |
1211 | 0, /* @tp_dictoffset@ */ | |
1212 | 0, /* @tp_init@ */ | |
1213 | PyType_GenericAlloc, /* @tp_alloc@ */ | |
1214 | dsarand_pynew, /* @tp_new@ */ | |
3aa33042 | 1215 | 0, /* @tp_free@ */ |
d7ab1bab | 1216 | 0 /* @tp_is_gc@ */ |
1217 | }; | |
1218 | ||
1219 | /*----- Blum-Blum-Shub generator ------------------------------------------*/ | |
1220 | ||
1221 | static PyObject *bbs_pynew(PyTypeObject *ty, PyObject *arg, PyObject *kw) | |
1222 | { | |
1223 | mp *n = 0, *x = MP_TWO; | |
1224 | PyObject *rc = 0; | |
827f89d7 | 1225 | static const char *const kwlist[] = { "n", "x", 0 }; |
d7ab1bab | 1226 | |
827f89d7 | 1227 | if (!PyArg_ParseTupleAndKeywords(arg, kw, "O&|O&:new", KWLIST, |
d7ab1bab | 1228 | convmp, &n, convmp, &x)) |
1229 | goto end; | |
1230 | rc = grand_dopywrap(ty, bbs_rand(n, x), f_freeme); | |
1231 | end: | |
1232 | mp_drop(n); | |
1233 | mp_drop(x); | |
1234 | return (rc); | |
1235 | } | |
1236 | ||
1237 | static PyObject *bbsmeth_step(PyObject *me, PyObject *arg) | |
1238 | { | |
1239 | grand *r = GRAND_R(me); if (!PyArg_ParseTuple(arg, ":step")) return (0); | |
1240 | r->ops->misc(r, BBS_STEP); RETURN_ME; | |
1241 | } | |
1242 | ||
1243 | static PyObject *bbsmeth_bits(PyObject *me, PyObject *arg) | |
1244 | { | |
1245 | grand *r = GRAND_R(me); unsigned n; uint32 w; | |
1246 | if (!PyArg_ParseTuple(arg, "O&:bits", convuint, &n)) goto end; | |
1247 | if (n > 32) VALERR("can't get more than 32 bits"); | |
fbca05a1 | 1248 | r->ops->misc(r, BBS_BITS, n, &w); return (getulong(w)); |
d7ab1bab | 1249 | end: |
1250 | return (0); | |
1251 | } | |
1252 | ||
1253 | static PyObject *bbsmeth_wrap(PyObject *me, PyObject *arg) | |
1254 | { | |
1255 | grand *r = GRAND_R(me); if (!PyArg_ParseTuple(arg, ":wrap")) return (0); | |
1256 | r->ops->misc(r, BBS_WRAP); RETURN_ME; | |
1257 | } | |
1258 | ||
1259 | static PyObject *bbsget_n(PyObject *me, void *hunoz) | |
1260 | { | |
1261 | mp *x = MP_NEW; grand *r = GRAND_R(me); | |
1262 | r->ops->misc(r, BBS_MOD, &x); return (mp_pywrap(x)); | |
1263 | } | |
1264 | ||
1265 | static PyObject *bbsget_x(PyObject *me, void *hunoz) | |
1266 | { | |
1267 | mp *x = MP_NEW; grand *r = GRAND_R(me); | |
1268 | r->ops->misc(r, BBS_STATE, &x); return (mp_pywrap(x)); | |
1269 | } | |
1270 | ||
1271 | static int bbsset_x(PyObject *me, PyObject *val, void *hunoz) | |
1272 | { | |
03e1fedf | 1273 | mp *x = 0; grand *r = GRAND_R(me); int rc = -1; if (!val) NIERR("__del__"); |
6a080b28 MW |
1274 | if ((x = getmp(val)) == 0) goto end; |
1275 | r->ops->misc(r, BBS_SET, x); rc = 0; | |
d7ab1bab | 1276 | end: mp_drop(x); return (rc); |
1277 | } | |
1278 | ||
1279 | static PyObject *bbsget_stepsz(PyObject *me, void *hunoz) | |
1280 | { | |
1281 | grand *r = GRAND_R(me); | |
1282 | return (PyInt_FromLong(r->ops->misc(r, BBS_STEPSZ))); | |
1283 | } | |
1284 | ||
637b9140 | 1285 | static const PyMethodDef bbs_pymethods[] = { |
d7ab1bab | 1286 | #define METHNAME(name) bbsmeth_##name |
ef783f91 MW |
1287 | METH (step, "R.step(): steps the generator (not useful)") |
1288 | METH (bits, "R.bits(N) -> W: returns N bits (<= 32) from the generator") | |
1289 | METH (wrap, "R.wrap(): flushes unused bits in internal buffer") | |
d7ab1bab | 1290 | #undef METHNAME |
1291 | { 0 } | |
1292 | }; | |
1293 | ||
637b9140 | 1294 | static const PyGetSetDef bbs_pygetset[] = { |
d7ab1bab | 1295 | #define GETSETNAME(op, name) bbs##op##_##name |
1296 | GET (n, "R.n -> Blum modulus") | |
1297 | GETSET(x, "R.x -> current seed value") | |
1298 | GET (stepsz, "R.stepsz -> number of bits generated per step") | |
1299 | #undef GETSETNAME | |
1300 | { 0 } | |
1301 | }; | |
1302 | ||
1303 | static PyTypeObject bbs_pytype_skel = { | |
6d4db0bf | 1304 | PyObject_HEAD_INIT(0) 0, /* Header */ |
c461c9b3 | 1305 | "BlumBlumShub", /* @tp_name@ */ |
d7ab1bab | 1306 | sizeof(grand_pyobj), /* @tp_basicsize@ */ |
1307 | 0, /* @tp_itemsize@ */ | |
1308 | ||
1309 | grand_pydealloc, /* @tp_dealloc@ */ | |
1310 | 0, /* @tp_print@ */ | |
1311 | 0, /* @tp_getattr@ */ | |
1312 | 0, /* @tp_setattr@ */ | |
1313 | 0, /* @tp_compare@ */ | |
1314 | 0, /* @tp_repr@ */ | |
1315 | 0, /* @tp_as_number@ */ | |
1316 | 0, /* @tp_as_sequence@ */ | |
1317 | 0, /* @tp_as_mapping@ */ | |
1318 | 0, /* @tp_hash@ */ | |
1319 | 0, /* @tp_call@ */ | |
1320 | 0, /* @tp_str@ */ | |
1321 | 0, /* @tp_getattro@ */ | |
1322 | 0, /* @tp_setattro@ */ | |
1323 | 0, /* @tp_as_buffer@ */ | |
1324 | Py_TPFLAGS_DEFAULT | /* @tp_flags@ */ | |
1325 | Py_TPFLAGS_BASETYPE, | |
1326 | ||
1327 | /* @tp_doc@ */ | |
ef783f91 | 1328 | "BlumBlumShub(N, [x = 2]): Blum-Blum-Shub pseudorandom number generator.", |
d7ab1bab | 1329 | |
1330 | 0, /* @tp_traverse@ */ | |
1331 | 0, /* @tp_clear@ */ | |
1332 | 0, /* @tp_richcompare@ */ | |
1333 | 0, /* @tp_weaklistoffset@ */ | |
1334 | 0, /* @tp_iter@ */ | |
963a6148 | 1335 | 0, /* @tp_iternext@ */ |
637b9140 | 1336 | PYMETHODS(bbs), /* @tp_methods@ */ |
d7ab1bab | 1337 | 0, /* @tp_members@ */ |
637b9140 | 1338 | PYGETSET(bbs), /* @tp_getset@ */ |
d7ab1bab | 1339 | 0, /* @tp_base@ */ |
1340 | 0, /* @tp_dict@ */ | |
1341 | 0, /* @tp_descr_get@ */ | |
1342 | 0, /* @tp_descr_set@ */ | |
1343 | 0, /* @tp_dictoffset@ */ | |
1344 | 0, /* @tp_init@ */ | |
1345 | PyType_GenericAlloc, /* @tp_alloc@ */ | |
1346 | bbs_pynew, /* @tp_new@ */ | |
3aa33042 | 1347 | 0, /* @tp_free@ */ |
d7ab1bab | 1348 | 0 /* @tp_is_gc@ */ |
1349 | }; | |
1350 | ||
1351 | typedef struct bbspriv_pyobj { | |
1352 | grand_pyobj gr; | |
1353 | bbs_priv bp; | |
1354 | } bbspriv_pyobj; | |
1355 | ||
1356 | #define BBSPRIV_BP(o) (&((bbspriv_pyobj *)(o))->bp) | |
1357 | ||
1358 | static PyObject *bbspriv_pynew(PyTypeObject *ty, | |
1359 | PyObject *arg, PyObject *kw) | |
1360 | { | |
1361 | mp *p = 0, *q = 0, *n = 0, *x = MP_TWO; | |
1362 | bbspriv_pyobj *rc = 0; | |
827f89d7 | 1363 | static const char *const kwlist[] = { "n", "p", "q", "seed", 0 }; |
d7ab1bab | 1364 | |
827f89d7 | 1365 | if (!PyArg_ParseTupleAndKeywords(arg, kw, "|O&O&O&O&:new", KWLIST, |
d7ab1bab | 1366 | convmp, &n, convmp, &p, convmp, &q, |
1367 | convmp, &x)) | |
1368 | goto end; | |
1369 | if (!n + !p + !q > 1) VALERR("must specify at least two of n, p, q"); | |
1370 | if (!n) n = mp_mul(MP_NEW, p, q); | |
1371 | else if (!p) mp_div(&p, 0, n, q); | |
1372 | else if (!q) mp_div(&q, 0, n, p); | |
1373 | rc = (bbspriv_pyobj *)ty->tp_alloc(ty, 0); | |
1374 | rc->gr.r = bbs_rand(n, x); | |
1375 | rc->gr.f = f_freeme; | |
1376 | rc->bp.p = MP_COPY(p); | |
1377 | rc->bp.q = MP_COPY(q); | |
1378 | rc->bp.n = MP_COPY(n); | |
1379 | end: | |
1380 | mp_drop(p); mp_drop(q); mp_drop(n); mp_drop(x); | |
1381 | return ((PyObject *)rc); | |
1382 | } | |
1383 | ||
1384 | static PyObject *meth__BBSPriv_generate(PyObject *me, | |
1385 | PyObject *arg, PyObject *kw) | |
1386 | { | |
1387 | bbs_priv bp = { 0 }; | |
1388 | mp *x = MP_TWO; | |
930d78e3 MW |
1389 | struct excinfo exc = EXCINFO_INIT; |
1390 | pypgev evt = { { 0 } }; | |
d7ab1bab | 1391 | unsigned nbits, n = 0; |
1392 | grand *r = &rand_global; | |
827f89d7 MW |
1393 | static const char *const kwlist[] = |
1394 | { "class", "nbits", "event", "rng", "nsteps", "seed", 0 }; | |
d7ab1bab | 1395 | bbspriv_pyobj *rc = 0; |
1396 | ||
930d78e3 | 1397 | evt.exc = &exc; |
827f89d7 | 1398 | if (!PyArg_ParseTupleAndKeywords(arg, kw, "OO&|O&O&O&O&:generate", KWLIST, |
d7ab1bab | 1399 | &me, convuint, &nbits, convpgev, &evt, |
1400 | convgrand, &r, convuint, &n, convmp, &x)) | |
1401 | goto end; | |
930d78e3 MW |
1402 | if (bbs_gen(&bp, nbits, r, n, evt.ev.proc, evt.ev.ctx)) |
1403 | PGENERR(&exc); | |
d7ab1bab | 1404 | rc = PyObject_New(bbspriv_pyobj, bbspriv_pytype); |
1405 | rc->gr.r = bbs_rand(bp.n, x); | |
1406 | rc->gr.f = f_freeme; | |
1407 | rc->bp.p = MP_COPY(bp.p); | |
1408 | rc->bp.q = MP_COPY(bp.q); | |
1409 | rc->bp.n = MP_COPY(bp.n); | |
1410 | end: | |
1411 | mp_drop(bp.p); mp_drop(bp.q); mp_drop(bp.n); mp_drop(x); | |
b2687a0a | 1412 | return ((PyObject *)rc); |
d7ab1bab | 1413 | } |
1414 | ||
1415 | static void bbspriv_pydealloc(PyObject *me) | |
1416 | { | |
1417 | bbs_priv *bp = BBSPRIV_BP(me); | |
1418 | mp_drop(bp->n); | |
1419 | mp_drop(bp->p); | |
1420 | mp_drop(bp->q); | |
1421 | grand_pydealloc(me); | |
1422 | } | |
1423 | ||
1424 | static PyObject *bpmeth_ff(PyObject *me, PyObject *arg) | |
1425 | { | |
1426 | mp *n = 0; grand *r = GRAND_R(me); bbs_priv *bp = BBSPRIV_BP(me); | |
1427 | if (!PyArg_ParseTuple(arg, "O&:ff", convmp, &n)) return (0); | |
1428 | r->ops->misc(r, BBS_FF, bp, n); RETURN_ME; | |
1429 | } | |
1430 | ||
1431 | static PyObject *bpmeth_rew(PyObject *me, PyObject *arg) | |
1432 | { | |
1433 | mp *n = 0; grand *r = GRAND_R(me); bbs_priv *bp = BBSPRIV_BP(me); | |
1434 | if (!PyArg_ParseTuple(arg, "O&:rew", convmp, &n)) return (0); | |
1435 | r->ops->misc(r, BBS_REW, bp, n); RETURN_ME; | |
1436 | } | |
1437 | ||
1438 | static PyObject *bpget_n(PyObject *me, void *hunoz) | |
1439 | { return (mp_pywrap(MP_COPY(BBSPRIV_BP(me)->n))); } | |
1440 | ||
1441 | static PyObject *bpget_p(PyObject *me, void *hunoz) | |
1442 | { return (mp_pywrap(MP_COPY(BBSPRIV_BP(me)->p))); } | |
1443 | ||
1444 | static PyObject *bpget_q(PyObject *me, void *hunoz) | |
1445 | { return (mp_pywrap(MP_COPY(BBSPRIV_BP(me)->q))); } | |
1446 | ||
637b9140 | 1447 | static const PyMethodDef bbspriv_pymethods[] = { |
d7ab1bab | 1448 | #define METHNAME(name) bpmeth_##name |
ef783f91 MW |
1449 | METH (ff, "R.ff(N): fast-forward N places") |
1450 | METH (rew, "R.rew(N): rewind N places") | |
d7ab1bab | 1451 | #undef METHNAME |
1452 | { 0 } | |
1453 | }; | |
1454 | ||
637b9140 | 1455 | static const PyGetSetDef bbspriv_pygetset[] = { |
d7ab1bab | 1456 | #define GETSETNAME(op, name) bp##op##_##name |
b2687a0a MW |
1457 | GET (n, "R.n -> Blum modulus") |
1458 | GET (p, "R.p -> one of the factors of the modulus") | |
1459 | GET (q, "R.q -> one of the factors of the modulus") | |
d7ab1bab | 1460 | #undef GETSETNAME |
1461 | { 0 } | |
1462 | }; | |
1463 | ||
1464 | static PyTypeObject bbspriv_pytype_skel = { | |
6d4db0bf | 1465 | PyObject_HEAD_INIT(0) 0, /* Header */ |
c461c9b3 | 1466 | "BBSPriv", /* @tp_name@ */ |
d7ab1bab | 1467 | sizeof(bbspriv_pyobj), /* @tp_basicsize@ */ |
1468 | 0, /* @tp_itemsize@ */ | |
1469 | ||
1470 | bbspriv_pydealloc, /* @tp_dealloc@ */ | |
1471 | 0, /* @tp_print@ */ | |
1472 | 0, /* @tp_getattr@ */ | |
1473 | 0, /* @tp_setattr@ */ | |
1474 | 0, /* @tp_compare@ */ | |
1475 | 0, /* @tp_repr@ */ | |
1476 | 0, /* @tp_as_number@ */ | |
1477 | 0, /* @tp_as_sequence@ */ | |
1478 | 0, /* @tp_as_mapping@ */ | |
1479 | 0, /* @tp_hash@ */ | |
1480 | 0, /* @tp_call@ */ | |
1481 | 0, /* @tp_str@ */ | |
1482 | 0, /* @tp_getattro@ */ | |
1483 | 0, /* @tp_setattro@ */ | |
1484 | 0, /* @tp_as_buffer@ */ | |
1485 | Py_TPFLAGS_DEFAULT | /* @tp_flags@ */ | |
1486 | Py_TPFLAGS_BASETYPE, | |
1487 | ||
1488 | /* @tp_doc@ */ | |
ef783f91 MW |
1489 | "BBSPriv(..., [seed = 2]): Blum-Blum-Shub, with private key.\n" |
1490 | " Keywords: n, p, q; must provide at least two", | |
d7ab1bab | 1491 | |
1492 | 0, /* @tp_traverse@ */ | |
1493 | 0, /* @tp_clear@ */ | |
1494 | 0, /* @tp_richcompare@ */ | |
1495 | 0, /* @tp_weaklistoffset@ */ | |
1496 | 0, /* @tp_iter@ */ | |
963a6148 | 1497 | 0, /* @tp_iternext@ */ |
637b9140 | 1498 | PYMETHODS(bbspriv), /* @tp_methods@ */ |
d7ab1bab | 1499 | 0, /* @tp_members@ */ |
637b9140 | 1500 | PYGETSET(bbspriv), /* @tp_getset@ */ |
d7ab1bab | 1501 | 0, /* @tp_base@ */ |
1502 | 0, /* @tp_dict@ */ | |
1503 | 0, /* @tp_descr_get@ */ | |
1504 | 0, /* @tp_descr_set@ */ | |
1505 | 0, /* @tp_dictoffset@ */ | |
1506 | 0, /* @tp_init@ */ | |
1507 | PyType_GenericAlloc, /* @tp_alloc@ */ | |
1508 | bbspriv_pynew, /* @tp_new@ */ | |
3aa33042 | 1509 | 0, /* @tp_free@ */ |
d7ab1bab | 1510 | 0 /* @tp_is_gc@ */ |
1511 | }; | |
1512 | ||
1513 | /*----- Global stuff ------------------------------------------------------*/ | |
1514 | ||
637b9140 | 1515 | static const PyMethodDef methods[] = { |
d7ab1bab | 1516 | #define METHNAME(name) meth_##name |
ef783f91 MW |
1517 | KWMETH(_BBSPriv_generate, "generate(NBITS, [event = pgen_nullev], " |
1518 | "[rng = rand], [nsteps = 0], [seed = 2]) -> R") | |
d7ab1bab | 1519 | #undef METHNAME |
1520 | { 0 } | |
1521 | }; | |
1522 | ||
1523 | void rand_pyinit(void) | |
1524 | { | |
1525 | INITTYPE(grand, root); | |
1526 | INITTYPE(truerand, grand); | |
1527 | INITTYPE(fibrand, grand); | |
1528 | INITTYPE(lcrand, grand); | |
1529 | INITTYPE(dsarand, grand); | |
1530 | INITTYPE(bbs, grand); | |
1531 | INITTYPE(bbspriv, bbs); | |
1532 | INITTYPE(sslprf, grand); | |
1533 | INITTYPE(tlsdx, grand); | |
1534 | INITTYPE(tlsprf, grand); | |
850a4b48 MW |
1535 | INITTYPE(gccrand, type); |
1536 | INITTYPE(gcrand, grand); | |
35e5469a | 1537 | INITTYPE(gclatinrand, gcrand); |
d7ab1bab | 1538 | rand_noisesrc(RAND_GLOBAL, &noise_source); |
1539 | rand_seed(RAND_GLOBAL, 160); | |
1540 | addmethods(methods); | |
1541 | } | |
1542 | ||
850a4b48 MW |
1543 | #define gccrand gccrand_info |
1544 | GEN(gccrands, crand) | |
1545 | ||
d7ab1bab | 1546 | void rand_pyinsert(PyObject *mod) |
1547 | { | |
1548 | INSERT("GRand", grand_pytype); | |
1549 | INSERT("TrueRand", truerand_pytype); | |
1550 | INSERT("LCRand", lcrand_pytype); | |
1551 | INSERT("FibRand", fibrand_pytype); | |
1552 | INSERT("SSLRand", sslprf_pytype); | |
1553 | INSERT("TLSDataExpansion", tlsdx_pytype); | |
1554 | INSERT("TLSPRF", tlsprf_pytype); | |
1555 | INSERT("DSARand", dsarand_pytype); | |
1556 | INSERT("BlumBlumShub", bbs_pytype); | |
1557 | INSERT("BBSPriv", bbspriv_pytype); | |
850a4b48 MW |
1558 | INSERT("GCCRand", gccrand_pytype); |
1559 | INSERT("GCRand", gcrand_pytype); | |
35e5469a | 1560 | INSERT("GCLatinRand", gclatinrand_pytype); |
d7ab1bab | 1561 | rand_pyobj = grand_pywrap(&rand_global, 0); Py_INCREF(rand_pyobj); |
850a4b48 MW |
1562 | gccrands_dict = gccrands(); Py_INCREF(gccrands_dict); |
1563 | INSERT("gccrands", gccrands_dict); | |
d7ab1bab | 1564 | INSERT("rand", rand_pyobj); |
1565 | } | |
1566 | ||
1567 | /*----- That's all, folks -------------------------------------------------*/ |