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 | ||
7a75bb76 | 83 | static PyObject *grmeth_byte(PyObject *me) |
d7ab1bab | 84 | { |
d65d80d7 | 85 | if (grand_check(me)) return (0); |
d7ab1bab | 86 | return (PyInt_FromLong(grand_byte(GRAND_R(me)))); |
87 | } | |
88 | ||
7a75bb76 | 89 | static PyObject *grmeth_word(PyObject *me) |
d7ab1bab | 90 | { |
d65d80d7 | 91 | if (grand_check(me)) return (0); |
fbca05a1 | 92 | return (getulong(grand_word(GRAND_R(me)))); |
d7ab1bab | 93 | } |
94 | ||
95 | static PyObject *grmeth_range(PyObject *me, PyObject *arg) | |
96 | { | |
97 | PyObject *m; | |
98 | mp *x = 0; | |
99 | mp *y = 0; | |
100 | ||
101 | if (!PyArg_ParseTuple(arg, "O:range", &m)) return (0); | |
d65d80d7 | 102 | if (grand_check(me)) return (0); |
d7ab1bab | 103 | if (PyInt_Check(m)) { |
104 | long mm = PyInt_AS_LONG(m); | |
cb08602a MW |
105 | if (mm <= 0) |
106 | goto notpos; | |
d7ab1bab | 107 | if (mm <= 0xffffffff) |
108 | return (PyInt_FromLong(grand_range(GRAND_R(me), mm))); | |
109 | } | |
110 | if ((x = getmp(m)) == 0) | |
111 | goto end; | |
cb08602a MW |
112 | if (!MP_POSP(x)) |
113 | goto notpos; | |
d7ab1bab | 114 | y = mprand_range(MP_NEW, x, GRAND_R(me), 0); |
115 | MP_DROP(x); | |
116 | return (mp_pywrap(y)); | |
cb08602a MW |
117 | notpos: |
118 | VALERR("range must be strictly positive"); | |
d7ab1bab | 119 | end: |
120 | if (x) MP_DROP(x); | |
121 | return (0); | |
122 | } | |
123 | ||
124 | static PyObject *grmeth_mp(PyObject *me, PyObject *arg, PyObject *kw) | |
125 | { | |
126 | size_t l; | |
cb08602a | 127 | mpw o = 0; |
827f89d7 | 128 | static const char *const kwlist[] = { "bits", "or", 0 }; |
d7ab1bab | 129 | |
827f89d7 | 130 | if (!PyArg_ParseTupleAndKeywords(arg, kw, "O&|O&:mp", KWLIST, |
d7ab1bab | 131 | convszt, &l, convmpw, &o)) |
132 | goto end; | |
d65d80d7 | 133 | if (grand_check(me)) return (0); |
cb08602a | 134 | if (l < MPW_BITS && (o >> l)) VALERR("or mask too large"); |
d7ab1bab | 135 | return (mp_pywrap(mprand(MP_NEW, l, GRAND_R(me), o))); |
136 | end: | |
137 | return (0); | |
138 | } | |
139 | ||
140 | static PyObject *grmeth_block(PyObject *me, PyObject *arg) | |
141 | { | |
142 | unsigned long n; | |
143 | PyObject *rc = 0; | |
144 | ||
145 | if (!PyArg_ParseTuple(arg, "O&:block", convulong, &n)) goto end; | |
d65d80d7 | 146 | if (grand_check(me)) return (0); |
d7ab1bab | 147 | rc = bytestring_pywrap(0, n); |
148 | grand_fill(GRAND_R(me), PyString_AS_STRING(rc), n); | |
149 | end: | |
150 | return (rc); | |
151 | } | |
152 | ||
153 | static int checkop(grand *r, unsigned op, const char *what) | |
154 | { | |
d65d80d7 | 155 | if (r->ops->misc(r, GRAND_CHECK, op)) return (0); |
d7ab1bab | 156 | PyErr_Format(PyExc_TypeError, "operation %s not supported", what); |
157 | return (-1); | |
158 | } | |
159 | ||
160 | static PyObject *grmeth_seedint(PyObject *me, PyObject *arg) | |
161 | { | |
162 | int i; | |
163 | grand *r = GRAND_R(me); | |
164 | if (!PyArg_ParseTuple(arg, "i:seedint", &i) || | |
d65d80d7 | 165 | grand_check(me) || checkop(r, GRAND_SEEDINT, "seedint")) |
d7ab1bab | 166 | goto end; |
167 | r->ops->misc(r, GRAND_SEEDINT, i); | |
168 | RETURN_ME; | |
169 | end: | |
170 | return (0); | |
171 | } | |
172 | ||
173 | static PyObject *grmeth_seedword(PyObject *me, PyObject *arg) | |
174 | { | |
175 | uint32 u; | |
176 | grand *r = GRAND_R(me); | |
177 | if (!PyArg_ParseTuple(arg, "O&:seedword", convu32, &u) || | |
d65d80d7 | 178 | grand_check(me) || checkop(r, GRAND_SEEDUINT32, "seedword")) |
d7ab1bab | 179 | goto end; |
180 | r->ops->misc(r, GRAND_SEEDUINT32, u); | |
181 | RETURN_ME; | |
182 | end: | |
183 | return (0); | |
184 | } | |
185 | ||
186 | static PyObject *grmeth_seedblock(PyObject *me, PyObject *arg) | |
187 | { | |
188 | char *p; | |
6b54260d | 189 | Py_ssize_t n; |
d7ab1bab | 190 | grand *r = GRAND_R(me); |
191 | if (!PyArg_ParseTuple(arg, "s#:seedblock", &p, &n) || | |
d65d80d7 | 192 | grand_check(me) || checkop(r, GRAND_SEEDBLOCK, "seedblock")) |
d7ab1bab | 193 | goto end; |
194 | r->ops->misc(r, GRAND_SEEDBLOCK, p, (size_t)n); | |
195 | RETURN_ME; | |
196 | end: | |
197 | return (0); | |
198 | } | |
199 | ||
200 | static PyObject *grmeth_seedmp(PyObject *me, PyObject *arg) | |
201 | { | |
202 | PyObject *x; | |
203 | mp *xx; | |
204 | grand *r = GRAND_R(me); | |
205 | if (!PyArg_ParseTuple(arg, "O:seedmp", &x) || | |
d65d80d7 | 206 | grand_check(me) || checkop(r, GRAND_SEEDMP, "seedmp") || |
d7ab1bab | 207 | (xx = getmp(x)) == 0) |
208 | goto end; | |
209 | r->ops->misc(r, GRAND_SEEDMP, xx); | |
210 | MP_DROP(xx); | |
211 | RETURN_ME; | |
212 | end: | |
213 | return (0); | |
214 | } | |
215 | ||
216 | static PyObject *grmeth_seedrand(PyObject *me, PyObject *arg, PyObject *kw) | |
217 | { | |
827f89d7 | 218 | static const char *const kwlist[] = { "rng", 0 }; |
d7ab1bab | 219 | grand *r = GRAND_R(me); |
220 | grand *rr = &rand_global; | |
827f89d7 | 221 | if (!PyArg_ParseTupleAndKeywords(arg, kw, "|O&:seedrand", KWLIST, |
d7ab1bab | 222 | convgrand, &rr) || |
d65d80d7 | 223 | grand_check(me) || checkop(r, GRAND_SEEDRAND, "seedrand")) |
d7ab1bab | 224 | goto end; |
225 | r->ops->misc(r, GRAND_SEEDRAND, rr); | |
226 | RETURN_ME; | |
227 | end: | |
228 | return (0); | |
229 | } | |
230 | ||
231 | static PyObject *grmeth_mask(PyObject *me, PyObject *arg) | |
232 | { | |
233 | grand *r = GRAND_R(me); | |
234 | char *p, *q; | |
6b54260d | 235 | Py_ssize_t sz; |
d7ab1bab | 236 | PyObject *rc; |
237 | ||
238 | if (!PyArg_ParseTuple(arg, "s#:mask", &p, &sz)) return (0); | |
d65d80d7 | 239 | if (grand_check(me)) return (0); |
d7ab1bab | 240 | rc = bytestring_pywrap(0, sz); |
241 | q = PyString_AS_STRING(rc); | |
242 | GR_FILL(r, q, sz); | |
243 | while (sz--) *q++ ^= *p++; | |
244 | return (rc); | |
245 | } | |
246 | ||
247 | static void grand_pydealloc(PyObject *me) | |
248 | { | |
249 | grand_pyobj *g = (grand_pyobj *)me; | |
d65d80d7 | 250 | if ((g->f & f_freeme) && g->r) GR_DESTROY(g->r); |
3aa33042 | 251 | FREEOBJ(me); |
d7ab1bab | 252 | } |
253 | ||
254 | static PyObject *grget_name(PyObject *me, void *hunoz) | |
d65d80d7 | 255 | { return (grand_check(me) ? 0 : PyString_FromString(GRAND_R(me)->ops->name)); } |
d7ab1bab | 256 | |
257 | static PyObject *grget_cryptop(PyObject *me, void *hunoz) | |
d65d80d7 | 258 | { return (grand_check(me) ? 0 : getbool(GRAND_R(me)->ops->f & GRAND_CRYPTO)); } |
d7ab1bab | 259 | |
637b9140 | 260 | static const PyGetSetDef grand_pygetset[] = { |
d7ab1bab | 261 | #define GETSETNAME(op, name) gr##op##_##name |
262 | GET (name, "R.name -> name of this kind of generator") | |
263 | GET (cryptop, "R.cryptop -> flag: cryptographically strong?") | |
264 | #undef GETSETNAME | |
265 | { 0 } | |
266 | }; | |
267 | ||
637b9140 | 268 | static const PyMethodDef grand_pymethods[] = { |
d7ab1bab | 269 | #define METHNAME(name) grmeth_##name |
7a75bb76 MW |
270 | NAMETH(byte, "R.byte() -> BYTE") |
271 | NAMETH(word, "R.word() -> WORD") | |
d7ab1bab | 272 | METH (block, "R.block(N) -> STRING") |
986bcc44 | 273 | KWMETH(mp, "R.mp(bits, [or = 0]) -> MP") |
d7ab1bab | 274 | METH (range, "R.range(MAX) -> INT") |
275 | METH (mask, "R.mask(STR) -> STR") | |
276 | METH (seedint, "R.seedint(I)") | |
277 | METH (seedword, "R.seedword(I)") | |
278 | METH (seedblock, "R.seedblock(BYTES)") | |
279 | METH (seedmp, "R.seedmp(X)") | |
280 | KWMETH(seedrand, "R.seedrand(RR)") | |
281 | #undef METHNAME | |
282 | { 0 } | |
283 | }; | |
284 | ||
285 | static PyTypeObject grand_pytype_skel = { | |
6d4db0bf | 286 | PyObject_HEAD_INIT(0) 0, /* Header */ |
c461c9b3 | 287 | "GRand", /* @tp_name@ */ |
d7ab1bab | 288 | sizeof(grand_pyobj), /* @tp_basicsize@ */ |
289 | 0, /* @tp_itemsize@ */ | |
290 | ||
291 | grand_pydealloc, /* @tp_dealloc@ */ | |
292 | 0, /* @tp_print@ */ | |
293 | 0, /* @tp_getattr@ */ | |
294 | 0, /* @tp_setattr@ */ | |
295 | 0, /* @tp_compare@ */ | |
296 | 0, /* @tp_repr@ */ | |
297 | 0, /* @tp_as_number@ */ | |
298 | 0, /* @tp_as_sequence@ */ | |
299 | 0, /* @tp_as_mapping@ */ | |
300 | 0, /* @tp_hash@ */ | |
301 | 0, /* @tp_call@ */ | |
302 | 0, /* @tp_str@ */ | |
303 | 0, /* @tp_getattro@ */ | |
304 | 0, /* @tp_setattro@ */ | |
305 | 0, /* @tp_as_buffer@ */ | |
306 | Py_TPFLAGS_DEFAULT | /* @tp_flags@ */ | |
307 | Py_TPFLAGS_BASETYPE, | |
308 | ||
309 | /* @tp_doc@ */ | |
ef783f91 | 310 | "Generic random number source.", |
d7ab1bab | 311 | |
312 | 0, /* @tp_traverse@ */ | |
313 | 0, /* @tp_clear@ */ | |
314 | 0, /* @tp_richcompare@ */ | |
315 | 0, /* @tp_weaklistoffset@ */ | |
316 | 0, /* @tp_iter@ */ | |
963a6148 | 317 | 0, /* @tp_iternext@ */ |
637b9140 | 318 | PYMETHODS(grand), /* @tp_methods@ */ |
d7ab1bab | 319 | 0, /* @tp_members@ */ |
637b9140 | 320 | PYGETSET(grand), /* @tp_getset@ */ |
d7ab1bab | 321 | 0, /* @tp_base@ */ |
322 | 0, /* @tp_dict@ */ | |
323 | 0, /* @tp_descr_get@ */ | |
324 | 0, /* @tp_descr_set@ */ | |
325 | 0, /* @tp_dictoffset@ */ | |
326 | 0, /* @tp_init@ */ | |
327 | PyType_GenericAlloc, /* @tp_alloc@ */ | |
328 | abstract_pynew, /* @tp_new@ */ | |
3aa33042 | 329 | 0, /* @tp_free@ */ |
d7ab1bab | 330 | 0 /* @tp_is_gc@ */ |
331 | }; | |
332 | ||
333 | static PyObject *lcrand_pynew(PyTypeObject *me, PyObject *arg, PyObject *kw) | |
334 | { | |
335 | uint32 n = 0; | |
827f89d7 MW |
336 | static const char *const kwlist[] = { "seed", 0 }; |
337 | if (!PyArg_ParseTupleAndKeywords(arg, kw, "|O&:new", KWLIST, convu32, &n)) | |
d7ab1bab | 338 | return (0); |
339 | return (grand_dopywrap(lcrand_pytype, lcrand_create(n), f_freeme)); | |
340 | } | |
341 | ||
342 | static PyTypeObject lcrand_pytype_skel = { | |
6d4db0bf | 343 | PyObject_HEAD_INIT(0) 0, /* Header */ |
c461c9b3 | 344 | "LCRand", /* @tp_name@ */ |
d7ab1bab | 345 | sizeof(grand_pyobj), /* @tp_basicsize@ */ |
346 | 0, /* @tp_itemsize@ */ | |
347 | ||
348 | grand_pydealloc, /* @tp_dealloc@ */ | |
349 | 0, /* @tp_print@ */ | |
350 | 0, /* @tp_getattr@ */ | |
351 | 0, /* @tp_setattr@ */ | |
352 | 0, /* @tp_compare@ */ | |
353 | 0, /* @tp_repr@ */ | |
354 | 0, /* @tp_as_number@ */ | |
355 | 0, /* @tp_as_sequence@ */ | |
356 | 0, /* @tp_as_mapping@ */ | |
357 | 0, /* @tp_hash@ */ | |
358 | 0, /* @tp_call@ */ | |
359 | 0, /* @tp_str@ */ | |
360 | 0, /* @tp_getattro@ */ | |
361 | 0, /* @tp_setattro@ */ | |
362 | 0, /* @tp_as_buffer@ */ | |
363 | Py_TPFLAGS_DEFAULT | /* @tp_flags@ */ | |
364 | Py_TPFLAGS_BASETYPE, | |
365 | ||
366 | /* @tp_doc@ */ | |
ef783f91 | 367 | "LCRand([seed = 0]): linear congruential generator.", |
d7ab1bab | 368 | |
369 | 0, /* @tp_traverse@ */ | |
370 | 0, /* @tp_clear@ */ | |
371 | 0, /* @tp_richcompare@ */ | |
372 | 0, /* @tp_weaklistoffset@ */ | |
373 | 0, /* @tp_iter@ */ | |
963a6148 | 374 | 0, /* @tp_iternext@ */ |
d7ab1bab | 375 | 0, /* @tp_methods@ */ |
376 | 0, /* @tp_members@ */ | |
377 | 0, /* @tp_getset@ */ | |
378 | 0, /* @tp_base@ */ | |
379 | 0, /* @tp_dict@ */ | |
380 | 0, /* @tp_descr_get@ */ | |
381 | 0, /* @tp_descr_set@ */ | |
382 | 0, /* @tp_dictoffset@ */ | |
383 | 0, /* @tp_init@ */ | |
384 | PyType_GenericAlloc, /* @tp_alloc@ */ | |
385 | lcrand_pynew, /* @tp_new@ */ | |
3aa33042 | 386 | 0, /* @tp_free@ */ |
d7ab1bab | 387 | 0 /* @tp_is_gc@ */ |
388 | }; | |
389 | ||
390 | static PyObject *fibrand_pynew(PyTypeObject *me, PyObject *arg, PyObject *kw) | |
391 | { | |
392 | uint32 n = 0; | |
827f89d7 MW |
393 | static const char *const kwlist[] = { "seed", 0 }; |
394 | if (!PyArg_ParseTupleAndKeywords(arg, kw, "|O&:new", KWLIST, convu32, &n)) | |
d7ab1bab | 395 | return (0); |
396 | return (grand_dopywrap(fibrand_pytype, fibrand_create(n), f_freeme)); | |
397 | } | |
398 | ||
399 | static PyTypeObject fibrand_pytype_skel = { | |
6d4db0bf | 400 | PyObject_HEAD_INIT(0) 0, /* Header */ |
c461c9b3 | 401 | "FibRand", /* @tp_name@ */ |
d7ab1bab | 402 | sizeof(grand_pyobj), /* @tp_basicsize@ */ |
403 | 0, /* @tp_itemsize@ */ | |
404 | ||
405 | grand_pydealloc, /* @tp_dealloc@ */ | |
406 | 0, /* @tp_print@ */ | |
407 | 0, /* @tp_getattr@ */ | |
408 | 0, /* @tp_setattr@ */ | |
409 | 0, /* @tp_compare@ */ | |
410 | 0, /* @tp_repr@ */ | |
411 | 0, /* @tp_as_number@ */ | |
412 | 0, /* @tp_as_sequence@ */ | |
413 | 0, /* @tp_as_mapping@ */ | |
414 | 0, /* @tp_hash@ */ | |
415 | 0, /* @tp_call@ */ | |
416 | 0, /* @tp_str@ */ | |
417 | 0, /* @tp_getattro@ */ | |
418 | 0, /* @tp_setattro@ */ | |
419 | 0, /* @tp_as_buffer@ */ | |
420 | Py_TPFLAGS_DEFAULT | /* @tp_flags@ */ | |
421 | Py_TPFLAGS_BASETYPE, | |
422 | ||
423 | /* @tp_doc@ */ | |
ef783f91 | 424 | "FibRand([seed = 0]): Fibonacci generator.", |
d7ab1bab | 425 | |
426 | 0, /* @tp_traverse@ */ | |
427 | 0, /* @tp_clear@ */ | |
428 | 0, /* @tp_richcompare@ */ | |
429 | 0, /* @tp_weaklistoffset@ */ | |
430 | 0, /* @tp_iter@ */ | |
963a6148 | 431 | 0, /* @tp_iternext@ */ |
d7ab1bab | 432 | 0, /* @tp_methods@ */ |
433 | 0, /* @tp_members@ */ | |
434 | 0, /* @tp_getset@ */ | |
435 | 0, /* @tp_base@ */ | |
436 | 0, /* @tp_dict@ */ | |
437 | 0, /* @tp_descr_get@ */ | |
438 | 0, /* @tp_descr_set@ */ | |
439 | 0, /* @tp_dictoffset@ */ | |
440 | 0, /* @tp_init@ */ | |
441 | PyType_GenericAlloc, /* @tp_alloc@ */ | |
442 | fibrand_pynew, /* @tp_new@ */ | |
3aa33042 | 443 | 0, /* @tp_free@ */ |
d7ab1bab | 444 | 0 /* @tp_is_gc@ */ |
445 | }; | |
446 | ||
447 | /*----- True random generator ---------------------------------------------*/ | |
448 | ||
7a75bb76 MW |
449 | static PyObject *trmeth_gate(PyObject *me) |
450 | { grand *r = GRAND_R(me); r->ops->misc(GRAND_R(me), RAND_GATE); RETURN_ME; } | |
d7ab1bab | 451 | |
7a75bb76 MW |
452 | static PyObject *trmeth_stretch(PyObject *me) |
453 | { grand *r = GRAND_R(me); r->ops->misc(r, RAND_STRETCH); RETURN_ME; } | |
d7ab1bab | 454 | |
850a4b48 MW |
455 | static PyObject *trmeth_add(PyObject *me, PyObject *arg) |
456 | { | |
457 | grand *r = GRAND_R(me); | |
6b54260d | 458 | char *p; Py_ssize_t n; unsigned goodbits; |
850a4b48 MW |
459 | if (!PyArg_ParseTuple(arg, "s#O&:add", &p, &n, convuint, &goodbits)) |
460 | return (0); | |
461 | r->ops->misc(r, RAND_ADD, p, (size_t)n, goodbits); | |
462 | RETURN_ME; | |
463 | } | |
464 | ||
d7ab1bab | 465 | static PyObject *trmeth_key(PyObject *me, PyObject *arg) |
466 | { | |
467 | grand *r = GRAND_R(me); | |
6b54260d | 468 | char *p; Py_ssize_t n; |
d7ab1bab | 469 | if (!PyArg_ParseTuple(arg, "s#:key", &p, &n)) return (0); |
850a4b48 | 470 | r->ops->misc(r, RAND_KEY, p, (size_t)n); |
d7ab1bab | 471 | RETURN_ME; |
472 | } | |
473 | ||
474 | static PyObject *trmeth_seed(PyObject *me, PyObject *arg) | |
475 | { | |
476 | grand *r = GRAND_R(me); | |
477 | unsigned u; | |
478 | if (!PyArg_ParseTuple(arg, "O&:seed", convuint, &u)) return (0); | |
479 | if (u > RAND_IBITS) VALERR("pointlessly large"); | |
480 | r->ops->misc(r, RAND_SEED, u); | |
481 | RETURN_ME; | |
482 | end: | |
483 | return (0); | |
484 | } | |
485 | ||
7a75bb76 MW |
486 | static PyObject *trmeth_timer(PyObject *me) |
487 | { grand *r = GRAND_R(me); r->ops->misc(r, RAND_TIMER); RETURN_ME; } | |
d7ab1bab | 488 | |
489 | static PyObject *truerand_pynew(PyTypeObject *ty, | |
490 | PyObject *arg, PyObject *kw) | |
491 | { | |
827f89d7 | 492 | static const char *const kwlist[] = { 0 }; |
d7ab1bab | 493 | grand *r; |
494 | PyObject *rc = 0; | |
62f9f6c4 | 495 | if (!PyArg_ParseTupleAndKeywords(arg, kw, ":new", KWLIST)) goto end; |
d7ab1bab | 496 | r = rand_create(); |
497 | r->ops->misc(r, RAND_NOISESRC, &noise_source); | |
498 | r->ops->misc(r, RAND_SEED, 160); | |
499 | rc = grand_dopywrap(ty, r, f_freeme); | |
500 | end: | |
501 | return (rc); | |
502 | } | |
503 | ||
637b9140 | 504 | static const PyMethodDef truerand_pymethods[] = { |
d7ab1bab | 505 | #define METHNAME(name) trmeth_##name |
7a75bb76 MW |
506 | NAMETH(gate, "R.gate()") |
507 | NAMETH(stretch, "R.stretch()") | |
d7ab1bab | 508 | METH (key, "R.key(BYTES)") |
509 | METH (seed, "R.seed(NBITS)") | |
850a4b48 | 510 | METH (add, "R.add(BYTES, GOODBITS") |
7a75bb76 | 511 | NAMETH(timer, "R.timer()") |
d7ab1bab | 512 | #undef METHNAME |
513 | { 0 } | |
514 | }; | |
515 | ||
516 | static PyObject *trget_goodbits(PyObject *me, void *hunoz) | |
517 | { | |
518 | grand *r = GRAND_R(me); | |
519 | return (PyInt_FromLong(r->ops->misc(r, RAND_GOODBITS))); | |
520 | } | |
521 | ||
637b9140 | 522 | static const PyGetSetDef truerand_pygetset[] = { |
d7ab1bab | 523 | #define GETSETNAME(op, name) tr##op##_##name |
b2687a0a | 524 | GET (goodbits, "R.goodbits -> good bits of entropy remaining") |
d7ab1bab | 525 | #undef GETSETNAME |
526 | { 0 } | |
527 | }; | |
528 | ||
529 | static PyTypeObject truerand_pytype_skel = { | |
6d4db0bf | 530 | PyObject_HEAD_INIT(0) 0, /* Header */ |
c461c9b3 | 531 | "TrueRand", /* @tp_name@ */ |
d7ab1bab | 532 | sizeof(grand_pyobj), /* @tp_basicsize@ */ |
533 | 0, /* @tp_itemsize@ */ | |
534 | ||
535 | grand_pydealloc, /* @tp_dealloc@ */ | |
536 | 0, /* @tp_print@ */ | |
537 | 0, /* @tp_getattr@ */ | |
538 | 0, /* @tp_setattr@ */ | |
539 | 0, /* @tp_compare@ */ | |
540 | 0, /* @tp_repr@ */ | |
541 | 0, /* @tp_as_number@ */ | |
542 | 0, /* @tp_as_sequence@ */ | |
543 | 0, /* @tp_as_mapping@ */ | |
544 | 0, /* @tp_hash@ */ | |
545 | 0, /* @tp_call@ */ | |
546 | 0, /* @tp_str@ */ | |
547 | 0, /* @tp_getattro@ */ | |
548 | 0, /* @tp_setattro@ */ | |
549 | 0, /* @tp_as_buffer@ */ | |
550 | Py_TPFLAGS_DEFAULT | /* @tp_flags@ */ | |
551 | Py_TPFLAGS_BASETYPE, | |
552 | ||
553 | /* @tp_doc@ */ | |
ef783f91 | 554 | "TrueRand(): true random number source.", |
d7ab1bab | 555 | |
556 | 0, /* @tp_traverse@ */ | |
557 | 0, /* @tp_clear@ */ | |
558 | 0, /* @tp_richcompare@ */ | |
559 | 0, /* @tp_weaklistoffset@ */ | |
560 | 0, /* @tp_iter@ */ | |
963a6148 | 561 | 0, /* @tp_iternext@ */ |
637b9140 | 562 | PYMETHODS(truerand), /* @tp_methods@ */ |
d7ab1bab | 563 | 0, /* @tp_members@ */ |
637b9140 | 564 | PYGETSET(truerand), /* @tp_getset@ */ |
d7ab1bab | 565 | 0, /* @tp_base@ */ |
566 | 0, /* @tp_dict@ */ | |
567 | 0, /* @tp_descr_get@ */ | |
568 | 0, /* @tp_descr_set@ */ | |
569 | 0, /* @tp_dictoffset@ */ | |
570 | 0, /* @tp_init@ */ | |
571 | PyType_GenericAlloc, /* @tp_alloc@ */ | |
572 | truerand_pynew, /* @tp_new@ */ | |
3aa33042 | 573 | 0, /* @tp_free@ */ |
d7ab1bab | 574 | 0 /* @tp_is_gc@ */ |
575 | }; | |
576 | ||
850a4b48 MW |
577 | /*----- Generators from symmetric encryption algorithms -------------------*/ |
578 | ||
35e5469a | 579 | static PyTypeObject *gccrand_pytype, *gcrand_pytype, *gclatinrand_pytype; |
850a4b48 MW |
580 | |
581 | typedef grand *gcrand_func(const void *, size_t sz); | |
582 | typedef grand *gcirand_func(const void *, size_t sz, uint32); | |
3f4f64b8 | 583 | typedef grand *gcnrand_func(const void *, size_t sz, const void *); |
6bd22b53 MW |
584 | typedef grand *gcshakerand_func(const void *, size_t, |
585 | const void *, size_t, | |
586 | const void *, size_t); | |
587 | typedef grand *gcshafuncrand_func(const void *, size_t, | |
588 | const void *, size_t); | |
589 | typedef grand *gckmacrand_func(const void *, size_t, const void *, size_t); | |
850a4b48 MW |
590 | typedef struct gccrand_info { |
591 | const char *name; | |
592 | const octet *keysz; | |
593 | unsigned f; | |
3f4f64b8 | 594 | size_t noncesz; |
850a4b48 MW |
595 | gcrand_func *func; |
596 | } gccrand_info; | |
597 | ||
34825452 MW |
598 | #define RNGF_MASK 255u |
599 | ||
600 | enum { | |
601 | RNG_PLAIN = 0, | |
602 | RNG_SEAL, | |
603 | RNG_LATIN, | |
604 | RNG_SHAKE, | |
605 | RNG_KMAC | |
606 | }; | |
78f06cd3 | 607 | |
850a4b48 MW |
608 | typedef struct gccrand_pyobj { |
609 | PyHeapTypeObject ty; | |
610 | const gccrand_info *info; | |
611 | } gccrand_pyobj; | |
612 | #define GCCRAND_INFO(o) (((gccrand_pyobj *)(o))->info) | |
613 | ||
3f4f64b8 | 614 | #define GCCRAND_DEF(name, ksz, func, f, nsz) \ |
850a4b48 | 615 | static const gccrand_info func##_info = \ |
3f4f64b8 | 616 | { name, ksz, f, nsz, (gcrand_func *)func }; |
850a4b48 MW |
617 | RNGS(GCCRAND_DEF) |
618 | ||
619 | static const gccrand_info *const gcrandtab[] = { | |
3f4f64b8 | 620 | #define GCCRAND_ENTRY(name, ksz, func, f, nsz) &func##_info, |
850a4b48 MW |
621 | RNGS(GCCRAND_ENTRY) |
622 | 0 | |
623 | }; | |
624 | ||
625 | static PyObject *gcrand_pynew(PyTypeObject *ty, PyObject *arg, PyObject *kw) | |
626 | { | |
627 | const gccrand_info *info = GCCRAND_INFO(ty); | |
827f89d7 | 628 | static const char *const kwlist[] = { "key", 0 }; |
850a4b48 | 629 | char *k; |
6b54260d | 630 | Py_ssize_t n; |
850a4b48 | 631 | |
827f89d7 | 632 | if (!PyArg_ParseTupleAndKeywords(arg, kw, "s#:new", KWLIST, &k, &n)) |
850a4b48 MW |
633 | goto end; |
634 | if (keysz(n, info->keysz) != n) VALERR("bad key length"); | |
635 | return (grand_dopywrap(ty, info->func(k, n), f_freeme)); | |
636 | end: | |
b2687a0a | 637 | return (0); |
850a4b48 MW |
638 | } |
639 | ||
640 | static PyObject *gcirand_pynew(PyTypeObject *ty, PyObject *arg, PyObject *kw) | |
641 | { | |
642 | const gccrand_info *info = GCCRAND_INFO(ty); | |
643 | uint32 i = 0; | |
827f89d7 | 644 | static const char *const kwlist[] = { "key", "i", 0 }; |
850a4b48 | 645 | char *k; |
6b54260d | 646 | Py_ssize_t n; |
850a4b48 | 647 | |
827f89d7 | 648 | if (!PyArg_ParseTupleAndKeywords(arg, kw, "s#O&:new", KWLIST, |
850a4b48 MW |
649 | &k, &n, convu32, &i)) |
650 | goto end; | |
651 | if (keysz(n, info->keysz) != n) VALERR("bad key length"); | |
652 | return (grand_dopywrap(ty, | |
653 | ((gcirand_func *)info->func)(k, n, i), | |
654 | f_freeme)); | |
655 | end: | |
b2687a0a | 656 | return (0); |
850a4b48 MW |
657 | } |
658 | ||
3f4f64b8 MW |
659 | static PyObject *gcnrand_pynew(PyTypeObject *ty, PyObject *arg, PyObject *kw) |
660 | { | |
661 | const gccrand_info *info = GCCRAND_INFO(ty); | |
827f89d7 | 662 | static const char *const kwlist[] = { "key", "nonce", 0 }; |
3f4f64b8 | 663 | char *k, *n; |
6b54260d | 664 | Py_ssize_t ksz, nsz; |
3f4f64b8 | 665 | |
827f89d7 | 666 | if (!PyArg_ParseTupleAndKeywords(arg, kw, "s#s#:new", KWLIST, |
3f4f64b8 MW |
667 | &k, &ksz, &n, &nsz)) |
668 | goto end; | |
669 | if (keysz(ksz, info->keysz) != ksz) VALERR("bad key length"); | |
670 | if (nsz != info->noncesz) VALERR("bad nonce length"); | |
671 | return (grand_dopywrap(ty, | |
672 | ((gcnrand_func *)info->func)(k, ksz, n), | |
673 | f_freeme)); | |
674 | end: | |
675 | return (0); | |
676 | } | |
677 | ||
6bd22b53 MW |
678 | static PyObject *gcshakyrand_pynew(PyTypeObject *ty, |
679 | PyObject *arg, PyObject *kw) | |
680 | { | |
681 | const gccrand_info *info = GCCRAND_INFO(ty); | |
827f89d7 MW |
682 | static const char |
683 | *const kwlist_shake[] = { "key", "func", "perso", 0 }, | |
684 | *const kwlist_func[] = { "key", "perso", 0 }; | |
6bd22b53 MW |
685 | char *k, *f = 0, *p = 0; |
686 | Py_ssize_t ksz, fsz = 0, psz = 0; | |
687 | ||
688 | if ((info->f&RNGF_MASK) == RNG_SHAKE | |
827f89d7 MW |
689 | ? !PyArg_ParseTupleAndKeywords(arg, kw, "s#|s#s#:new", |
690 | (/*unconst*/ char **)kwlist_shake, | |
6bd22b53 | 691 | &k, &ksz, &f, &fsz, &p, &psz) |
827f89d7 MW |
692 | : !PyArg_ParseTupleAndKeywords(arg, kw, "s#|s#:new", |
693 | (/*unconst*/ char **)kwlist_func, | |
6bd22b53 MW |
694 | &k, &ksz, &p, &psz)) |
695 | goto end; | |
696 | if (keysz(ksz, info->keysz) != ksz) VALERR("bad key length"); | |
697 | return (grand_dopywrap(ty, | |
698 | (info->f&RNGF_MASK) == RNG_SHAKE | |
699 | ? ((gcshakerand_func *)info->func)(f, fsz, | |
700 | p, psz, | |
701 | k, ksz) | |
702 | : ((gcshafuncrand_func *)info->func)(p, psz, | |
703 | k, ksz), | |
704 | f_freeme)); | |
705 | end: | |
706 | return (0); | |
707 | } | |
708 | ||
850a4b48 MW |
709 | static PyObject *gccrand_pywrap(const gccrand_info *info) |
710 | { | |
711 | gccrand_pyobj *g = newtype(gccrand_pytype, 0, info->name); | |
712 | g->info = info; | |
24b3d57b | 713 | g->ty.ht_type.tp_basicsize = sizeof(grand_pyobj); |
34825452 MW |
714 | switch (info->f&RNGF_MASK) { |
715 | case RNG_LATIN: g->ty.ht_type.tp_base = gclatinrand_pytype; break; | |
716 | default: g->ty.ht_type.tp_base = gcrand_pytype; break; | |
717 | } | |
35e5469a | 718 | Py_INCREF(g->ty.ht_type.tp_base); |
24b3d57b MW |
719 | g->ty.ht_type.tp_flags = (Py_TPFLAGS_DEFAULT | |
720 | Py_TPFLAGS_BASETYPE | | |
721 | Py_TPFLAGS_HEAPTYPE); | |
722 | g->ty.ht_type.tp_alloc = PyType_GenericAlloc; | |
723 | g->ty.ht_type.tp_free = 0; | |
34825452 MW |
724 | switch (info->f&RNGF_MASK) { |
725 | case RNG_LATIN: g->ty.ht_type.tp_new = gcnrand_pynew; break; | |
726 | case RNG_SEAL: g->ty.ht_type.tp_new = gcirand_pynew; break; | |
6bd22b53 MW |
727 | case RNG_SHAKE: case RNG_KMAC: |
728 | g->ty.ht_type.tp_new = gcshakyrand_pynew; break; | |
34825452 MW |
729 | default: g->ty.ht_type.tp_new = gcrand_pynew; break; |
730 | } | |
dc075750 | 731 | typeready(&g->ty.ht_type); |
850a4b48 MW |
732 | return ((PyObject *)g); |
733 | } | |
734 | ||
735 | static PyObject *gccrget_name(PyObject *me, void *hunoz) | |
736 | { return (PyString_FromString(GCCRAND_INFO(me)->name)); } | |
737 | static PyObject *gccrget_keysz(PyObject *me, void *hunoz) | |
738 | { return (keysz_pywrap(GCCRAND_INFO(me)->keysz)); } | |
739 | ||
7a75bb76 | 740 | static PyObject *gclrmeth_tell(PyObject *me) |
35e5469a MW |
741 | { |
742 | grand *r = GRAND_R(me); | |
743 | PyObject *rc = 0; | |
744 | kludge64 off; | |
745 | ||
35e5469a MW |
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 | ||
637b9140 | 761 | static const PyGetSetDef gccrand_pygetset[] = { |
850a4b48 | 762 | #define GETSETNAME(op, name) gccr##op##_##name |
ef783f91 MW |
763 | GET (keysz, "CR.keysz -> acceptable key sizes") |
764 | GET (name, "CR.name -> name of this kind of generator") | |
850a4b48 MW |
765 | #undef GETSETNAME |
766 | { 0 } | |
767 | }; | |
768 | ||
637b9140 | 769 | static const PyMethodDef gclatinrand_pymethods[] = { |
35e5469a | 770 | #define METHNAME(name) gclrmeth_##name |
7a75bb76 | 771 | NAMETH(tell, "R.tell() -> OFF") |
35e5469a MW |
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@ */ | |
ef783f91 | 802 | "Metaclass for symmetric crypto-based generators.", |
850a4b48 MW |
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@ */ | |
637b9140 | 812 | PYGETSET(gccrand), /* @tp_getset@ */ |
850a4b48 MW |
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@ */ | |
ef783f91 | 850 | "Abstract base class for symmetric crypto-based generators.", |
850a4b48 MW |
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@ */ | |
ef783f91 | 898 | "Abstract base class for symmetric crypto-based generators.", |
35e5469a MW |
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@ */ | |
637b9140 | 906 | PYMETHODS(gclatinrand), /* @tp_methods@ */ |
35e5469a MW |
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; | |
827f89d7 | 929 | static const char *const kwlist[] = { "key", "seed", "ohash", "ihash", 0 }; |
d7ab1bab | 930 | |
827f89d7 | 931 | if (!PyArg_ParseTupleAndKeywords(arg, kw, "s#s#|O&O&:new", KWLIST, |
d7ab1bab | 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; | |
827f89d7 | 946 | static const char *const kwlist[] = { "key", "seed", "mac", 0 }; |
d7ab1bab | 947 | |
827f89d7 | 948 | if (!PyArg_ParseTupleAndKeywords(arg, kw, "s#s#|O&:new", KWLIST, |
d7ab1bab | 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; | |
827f89d7 | 963 | static const char *const kwlist[] = { "key", "seed", "lmac", "rmac", 0 }; |
d7ab1bab | 964 | |
827f89d7 | 965 | if (!PyArg_ParseTupleAndKeywords(arg, kw, "s#s#|O&O&:new", KWLIST, |
d7ab1bab | 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@ */ | |
ef783f91 MW |
999 | "SSLRand(KEY, SEED, [ohash = md5], [ihash = sha]):\n" |
1000 | " RNG for SSL master secret.", | |
d7ab1bab | 1001 | |
1002 | 0, /* @tp_traverse@ */ | |
1003 | 0, /* @tp_clear@ */ | |
1004 | 0, /* @tp_richcompare@ */ | |
1005 | 0, /* @tp_weaklistoffset@ */ | |
1006 | 0, /* @tp_iter@ */ | |
963a6148 | 1007 | 0, /* @tp_iternext@ */ |
d7ab1bab | 1008 | 0, /* @tp_methods@ */ |
1009 | 0, /* @tp_members@ */ | |
1010 | 0, /* @tp_getset@ */ | |
1011 | 0, /* @tp_base@ */ | |
1012 | 0, /* @tp_dict@ */ | |
1013 | 0, /* @tp_descr_get@ */ | |
1014 | 0, /* @tp_descr_set@ */ | |
1015 | 0, /* @tp_dictoffset@ */ | |
1016 | 0, /* @tp_init@ */ | |
1017 | PyType_GenericAlloc, /* @tp_alloc@ */ | |
1018 | sslprf_pynew, /* @tp_new@ */ | |
3aa33042 | 1019 | 0, /* @tp_free@ */ |
d7ab1bab | 1020 | 0 /* @tp_is_gc@ */ |
1021 | }; | |
1022 | ||
1023 | static PyTypeObject tlsdx_pytype_skel = { | |
6d4db0bf | 1024 | PyObject_HEAD_INIT(0) 0, /* Header */ |
c461c9b3 | 1025 | "TLSDataExpansion", /* @tp_name@ */ |
d7ab1bab | 1026 | sizeof(grand_pyobj), /* @tp_basicsize@ */ |
1027 | 0, /* @tp_itemsize@ */ | |
1028 | ||
1029 | grand_pydealloc, /* @tp_dealloc@ */ | |
1030 | 0, /* @tp_print@ */ | |
1031 | 0, /* @tp_getattr@ */ | |
1032 | 0, /* @tp_setattr@ */ | |
1033 | 0, /* @tp_compare@ */ | |
1034 | 0, /* @tp_repr@ */ | |
1035 | 0, /* @tp_as_number@ */ | |
1036 | 0, /* @tp_as_sequence@ */ | |
1037 | 0, /* @tp_as_mapping@ */ | |
1038 | 0, /* @tp_hash@ */ | |
1039 | 0, /* @tp_call@ */ | |
1040 | 0, /* @tp_str@ */ | |
1041 | 0, /* @tp_getattro@ */ | |
1042 | 0, /* @tp_setattro@ */ | |
1043 | 0, /* @tp_as_buffer@ */ | |
1044 | Py_TPFLAGS_DEFAULT | /* @tp_flags@ */ | |
1045 | Py_TPFLAGS_BASETYPE, | |
1046 | ||
1047 | /* @tp_doc@ */ | |
ef783f91 MW |
1048 | "TLSDataExpansion(KEY, SEED, [mac = sha_hmac]):\n" |
1049 | " TLS data expansion function.", | |
d7ab1bab | 1050 | |
1051 | 0, /* @tp_traverse@ */ | |
1052 | 0, /* @tp_clear@ */ | |
1053 | 0, /* @tp_richcompare@ */ | |
1054 | 0, /* @tp_weaklistoffset@ */ | |
1055 | 0, /* @tp_iter@ */ | |
963a6148 | 1056 | 0, /* @tp_iternext@ */ |
d7ab1bab | 1057 | 0, /* @tp_methods@ */ |
1058 | 0, /* @tp_members@ */ | |
1059 | 0, /* @tp_getset@ */ | |
1060 | 0, /* @tp_base@ */ | |
1061 | 0, /* @tp_dict@ */ | |
1062 | 0, /* @tp_descr_get@ */ | |
1063 | 0, /* @tp_descr_set@ */ | |
1064 | 0, /* @tp_dictoffset@ */ | |
1065 | 0, /* @tp_init@ */ | |
1066 | PyType_GenericAlloc, /* @tp_alloc@ */ | |
1067 | tlsdx_pynew, /* @tp_new@ */ | |
3aa33042 | 1068 | 0, /* @tp_free@ */ |
d7ab1bab | 1069 | 0 /* @tp_is_gc@ */ |
1070 | }; | |
1071 | ||
1072 | static PyTypeObject tlsprf_pytype_skel = { | |
6d4db0bf | 1073 | PyObject_HEAD_INIT(0) 0, /* Header */ |
c461c9b3 | 1074 | "TLSPRF", /* @tp_name@ */ |
d7ab1bab | 1075 | sizeof(grand_pyobj), /* @tp_basicsize@ */ |
1076 | 0, /* @tp_itemsize@ */ | |
1077 | ||
1078 | grand_pydealloc, /* @tp_dealloc@ */ | |
1079 | 0, /* @tp_print@ */ | |
1080 | 0, /* @tp_getattr@ */ | |
1081 | 0, /* @tp_setattr@ */ | |
1082 | 0, /* @tp_compare@ */ | |
1083 | 0, /* @tp_repr@ */ | |
1084 | 0, /* @tp_as_number@ */ | |
1085 | 0, /* @tp_as_sequence@ */ | |
1086 | 0, /* @tp_as_mapping@ */ | |
1087 | 0, /* @tp_hash@ */ | |
1088 | 0, /* @tp_call@ */ | |
1089 | 0, /* @tp_str@ */ | |
1090 | 0, /* @tp_getattro@ */ | |
1091 | 0, /* @tp_setattro@ */ | |
1092 | 0, /* @tp_as_buffer@ */ | |
1093 | Py_TPFLAGS_DEFAULT | /* @tp_flags@ */ | |
1094 | Py_TPFLAGS_BASETYPE, | |
1095 | ||
1096 | /* @tp_doc@ */ | |
ef783f91 MW |
1097 | "TLSPRF(KEY, SEED, [lmac = md5_hmac], [rmac = sha_hmac]):\n" |
1098 | " TLS pseudorandom function.", | |
d7ab1bab | 1099 | |
1100 | 0, /* @tp_traverse@ */ | |
1101 | 0, /* @tp_clear@ */ | |
1102 | 0, /* @tp_richcompare@ */ | |
1103 | 0, /* @tp_weaklistoffset@ */ | |
1104 | 0, /* @tp_iter@ */ | |
963a6148 | 1105 | 0, /* @tp_iternext@ */ |
d7ab1bab | 1106 | 0, /* @tp_methods@ */ |
1107 | 0, /* @tp_members@ */ | |
1108 | 0, /* @tp_getset@ */ | |
1109 | 0, /* @tp_base@ */ | |
1110 | 0, /* @tp_dict@ */ | |
1111 | 0, /* @tp_descr_get@ */ | |
1112 | 0, /* @tp_descr_set@ */ | |
1113 | 0, /* @tp_dictoffset@ */ | |
1114 | 0, /* @tp_init@ */ | |
1115 | PyType_GenericAlloc, /* @tp_alloc@ */ | |
1116 | tlsprf_pynew, /* @tp_new@ */ | |
3aa33042 | 1117 | 0, /* @tp_free@ */ |
d7ab1bab | 1118 | 0 /* @tp_is_gc@ */ |
1119 | }; | |
1120 | ||
1121 | /*----- DSA generator -----------------------------------------------------*/ | |
1122 | ||
1123 | static PyObject *dsarand_pynew(PyTypeObject *ty, PyObject *arg, PyObject *kw) | |
1124 | { | |
1125 | char *p; | |
1126 | int sz; | |
1127 | PyObject *rc = 0; | |
827f89d7 | 1128 | static const char *const kwlist[] = { "seed", 0 }; |
d7ab1bab | 1129 | |
827f89d7 | 1130 | if (!PyArg_ParseTupleAndKeywords(arg, kw, "s#:new", KWLIST, &p, &sz)) |
d7ab1bab | 1131 | goto end; |
1132 | rc = grand_dopywrap(ty, dsarand_create(p, sz), f_freeme); | |
1133 | end: | |
98963817 | 1134 | return (rc); |
d7ab1bab | 1135 | } |
1136 | ||
1137 | static PyObject *drget_seed(PyObject *me, void *hunoz) | |
1138 | { | |
1139 | grand *r = GRAND_R(me); | |
1140 | int n = r->ops->misc(r, DSARAND_SEEDSZ); | |
1141 | PyObject *rc = bytestring_pywrap(0, n); | |
1142 | r->ops->misc(r, DSARAND_GETSEED, PyString_AS_STRING(rc)); | |
1143 | return (rc); | |
1144 | } | |
1145 | ||
637b9140 | 1146 | static const PyGetSetDef dsarand_pygetset[] = { |
d7ab1bab | 1147 | #define GETSETNAME(op, name) dr##op##_##name |
1148 | GET (seed, "R.seed -> current generator seed") | |
1149 | #undef GETSETNAME | |
1150 | { 0 } | |
1151 | }; | |
1152 | ||
1153 | static PyTypeObject dsarand_pytype_skel = { | |
6d4db0bf | 1154 | PyObject_HEAD_INIT(0) 0, /* Header */ |
c461c9b3 | 1155 | "DSARand", /* @tp_name@ */ |
d7ab1bab | 1156 | sizeof(grand_pyobj), /* @tp_basicsize@ */ |
1157 | 0, /* @tp_itemsize@ */ | |
1158 | ||
1159 | grand_pydealloc, /* @tp_dealloc@ */ | |
1160 | 0, /* @tp_print@ */ | |
1161 | 0, /* @tp_getattr@ */ | |
1162 | 0, /* @tp_setattr@ */ | |
1163 | 0, /* @tp_compare@ */ | |
1164 | 0, /* @tp_repr@ */ | |
1165 | 0, /* @tp_as_number@ */ | |
1166 | 0, /* @tp_as_sequence@ */ | |
1167 | 0, /* @tp_as_mapping@ */ | |
1168 | 0, /* @tp_hash@ */ | |
1169 | 0, /* @tp_call@ */ | |
1170 | 0, /* @tp_str@ */ | |
1171 | 0, /* @tp_getattro@ */ | |
1172 | 0, /* @tp_setattro@ */ | |
1173 | 0, /* @tp_as_buffer@ */ | |
1174 | Py_TPFLAGS_DEFAULT | /* @tp_flags@ */ | |
1175 | Py_TPFLAGS_BASETYPE, | |
1176 | ||
1177 | /* @tp_doc@ */ | |
ef783f91 | 1178 | "DSARand(SEED): pseudorandom number generator for DSA parameters.", |
d7ab1bab | 1179 | |
1180 | 0, /* @tp_traverse@ */ | |
1181 | 0, /* @tp_clear@ */ | |
1182 | 0, /* @tp_richcompare@ */ | |
1183 | 0, /* @tp_weaklistoffset@ */ | |
1184 | 0, /* @tp_iter@ */ | |
963a6148 | 1185 | 0, /* @tp_iternext@ */ |
d7ab1bab | 1186 | 0, /* @tp_methods@ */ |
1187 | 0, /* @tp_members@ */ | |
637b9140 | 1188 | PYGETSET(dsarand), /* @tp_getset@ */ |
d7ab1bab | 1189 | 0, /* @tp_base@ */ |
1190 | 0, /* @tp_dict@ */ | |
1191 | 0, /* @tp_descr_get@ */ | |
1192 | 0, /* @tp_descr_set@ */ | |
1193 | 0, /* @tp_dictoffset@ */ | |
1194 | 0, /* @tp_init@ */ | |
1195 | PyType_GenericAlloc, /* @tp_alloc@ */ | |
1196 | dsarand_pynew, /* @tp_new@ */ | |
3aa33042 | 1197 | 0, /* @tp_free@ */ |
d7ab1bab | 1198 | 0 /* @tp_is_gc@ */ |
1199 | }; | |
1200 | ||
1201 | /*----- Blum-Blum-Shub generator ------------------------------------------*/ | |
1202 | ||
1203 | static PyObject *bbs_pynew(PyTypeObject *ty, PyObject *arg, PyObject *kw) | |
1204 | { | |
1205 | mp *n = 0, *x = MP_TWO; | |
1206 | PyObject *rc = 0; | |
827f89d7 | 1207 | static const char *const kwlist[] = { "n", "x", 0 }; |
d7ab1bab | 1208 | |
827f89d7 | 1209 | if (!PyArg_ParseTupleAndKeywords(arg, kw, "O&|O&:new", KWLIST, |
d7ab1bab | 1210 | convmp, &n, convmp, &x)) |
1211 | goto end; | |
1212 | rc = grand_dopywrap(ty, bbs_rand(n, x), f_freeme); | |
1213 | end: | |
1214 | mp_drop(n); | |
1215 | mp_drop(x); | |
1216 | return (rc); | |
1217 | } | |
1218 | ||
7a75bb76 MW |
1219 | static PyObject *bbsmeth_step(PyObject *me) |
1220 | { grand *r = GRAND_R(me); r->ops->misc(r, BBS_STEP); RETURN_ME; } | |
d7ab1bab | 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 | ||
7a75bb76 MW |
1232 | static PyObject *bbsmeth_wrap(PyObject *me) |
1233 | { grand *r = GRAND_R(me); r->ops->misc(r, BBS_WRAP); RETURN_ME; } | |
d7ab1bab | 1234 | |
1235 | static PyObject *bbsget_n(PyObject *me, void *hunoz) | |
1236 | { | |
1237 | mp *x = MP_NEW; grand *r = GRAND_R(me); | |
1238 | r->ops->misc(r, BBS_MOD, &x); return (mp_pywrap(x)); | |
1239 | } | |
1240 | ||
1241 | static PyObject *bbsget_x(PyObject *me, void *hunoz) | |
1242 | { | |
1243 | mp *x = MP_NEW; grand *r = GRAND_R(me); | |
1244 | r->ops->misc(r, BBS_STATE, &x); return (mp_pywrap(x)); | |
1245 | } | |
1246 | ||
1247 | static int bbsset_x(PyObject *me, PyObject *val, void *hunoz) | |
1248 | { | |
03e1fedf | 1249 | mp *x = 0; grand *r = GRAND_R(me); int rc = -1; if (!val) NIERR("__del__"); |
6a080b28 MW |
1250 | if ((x = getmp(val)) == 0) goto end; |
1251 | r->ops->misc(r, BBS_SET, x); rc = 0; | |
d7ab1bab | 1252 | end: mp_drop(x); return (rc); |
1253 | } | |
1254 | ||
1255 | static PyObject *bbsget_stepsz(PyObject *me, void *hunoz) | |
1256 | { | |
1257 | grand *r = GRAND_R(me); | |
1258 | return (PyInt_FromLong(r->ops->misc(r, BBS_STEPSZ))); | |
1259 | } | |
1260 | ||
637b9140 | 1261 | static const PyMethodDef bbs_pymethods[] = { |
d7ab1bab | 1262 | #define METHNAME(name) bbsmeth_##name |
7a75bb76 | 1263 | NAMETH(step, "R.step(): steps the generator (not useful)") |
ef783f91 | 1264 | METH (bits, "R.bits(N) -> W: returns N bits (<= 32) from the generator") |
7a75bb76 | 1265 | NAMETH(wrap, "R.wrap(): flushes unused bits in internal buffer") |
d7ab1bab | 1266 | #undef METHNAME |
1267 | { 0 } | |
1268 | }; | |
1269 | ||
637b9140 | 1270 | static const PyGetSetDef bbs_pygetset[] = { |
d7ab1bab | 1271 | #define GETSETNAME(op, name) bbs##op##_##name |
1272 | GET (n, "R.n -> Blum modulus") | |
1273 | GETSET(x, "R.x -> current seed value") | |
1274 | GET (stepsz, "R.stepsz -> number of bits generated per step") | |
1275 | #undef GETSETNAME | |
1276 | { 0 } | |
1277 | }; | |
1278 | ||
1279 | static PyTypeObject bbs_pytype_skel = { | |
6d4db0bf | 1280 | PyObject_HEAD_INIT(0) 0, /* Header */ |
c461c9b3 | 1281 | "BlumBlumShub", /* @tp_name@ */ |
d7ab1bab | 1282 | sizeof(grand_pyobj), /* @tp_basicsize@ */ |
1283 | 0, /* @tp_itemsize@ */ | |
1284 | ||
1285 | grand_pydealloc, /* @tp_dealloc@ */ | |
1286 | 0, /* @tp_print@ */ | |
1287 | 0, /* @tp_getattr@ */ | |
1288 | 0, /* @tp_setattr@ */ | |
1289 | 0, /* @tp_compare@ */ | |
1290 | 0, /* @tp_repr@ */ | |
1291 | 0, /* @tp_as_number@ */ | |
1292 | 0, /* @tp_as_sequence@ */ | |
1293 | 0, /* @tp_as_mapping@ */ | |
1294 | 0, /* @tp_hash@ */ | |
1295 | 0, /* @tp_call@ */ | |
1296 | 0, /* @tp_str@ */ | |
1297 | 0, /* @tp_getattro@ */ | |
1298 | 0, /* @tp_setattro@ */ | |
1299 | 0, /* @tp_as_buffer@ */ | |
1300 | Py_TPFLAGS_DEFAULT | /* @tp_flags@ */ | |
1301 | Py_TPFLAGS_BASETYPE, | |
1302 | ||
1303 | /* @tp_doc@ */ | |
ef783f91 | 1304 | "BlumBlumShub(N, [x = 2]): Blum-Blum-Shub pseudorandom number generator.", |
d7ab1bab | 1305 | |
1306 | 0, /* @tp_traverse@ */ | |
1307 | 0, /* @tp_clear@ */ | |
1308 | 0, /* @tp_richcompare@ */ | |
1309 | 0, /* @tp_weaklistoffset@ */ | |
1310 | 0, /* @tp_iter@ */ | |
963a6148 | 1311 | 0, /* @tp_iternext@ */ |
637b9140 | 1312 | PYMETHODS(bbs), /* @tp_methods@ */ |
d7ab1bab | 1313 | 0, /* @tp_members@ */ |
637b9140 | 1314 | PYGETSET(bbs), /* @tp_getset@ */ |
d7ab1bab | 1315 | 0, /* @tp_base@ */ |
1316 | 0, /* @tp_dict@ */ | |
1317 | 0, /* @tp_descr_get@ */ | |
1318 | 0, /* @tp_descr_set@ */ | |
1319 | 0, /* @tp_dictoffset@ */ | |
1320 | 0, /* @tp_init@ */ | |
1321 | PyType_GenericAlloc, /* @tp_alloc@ */ | |
1322 | bbs_pynew, /* @tp_new@ */ | |
3aa33042 | 1323 | 0, /* @tp_free@ */ |
d7ab1bab | 1324 | 0 /* @tp_is_gc@ */ |
1325 | }; | |
1326 | ||
1327 | typedef struct bbspriv_pyobj { | |
1328 | grand_pyobj gr; | |
1329 | bbs_priv bp; | |
1330 | } bbspriv_pyobj; | |
1331 | ||
1332 | #define BBSPRIV_BP(o) (&((bbspriv_pyobj *)(o))->bp) | |
1333 | ||
1334 | static PyObject *bbspriv_pynew(PyTypeObject *ty, | |
1335 | PyObject *arg, PyObject *kw) | |
1336 | { | |
1337 | mp *p = 0, *q = 0, *n = 0, *x = MP_TWO; | |
1338 | bbspriv_pyobj *rc = 0; | |
827f89d7 | 1339 | static const char *const kwlist[] = { "n", "p", "q", "seed", 0 }; |
d7ab1bab | 1340 | |
827f89d7 | 1341 | if (!PyArg_ParseTupleAndKeywords(arg, kw, "|O&O&O&O&:new", KWLIST, |
d7ab1bab | 1342 | convmp, &n, convmp, &p, convmp, &q, |
1343 | convmp, &x)) | |
1344 | goto end; | |
1345 | if (!n + !p + !q > 1) VALERR("must specify at least two of n, p, q"); | |
1346 | if (!n) n = mp_mul(MP_NEW, p, q); | |
1347 | else if (!p) mp_div(&p, 0, n, q); | |
1348 | else if (!q) mp_div(&q, 0, n, p); | |
1349 | rc = (bbspriv_pyobj *)ty->tp_alloc(ty, 0); | |
1350 | rc->gr.r = bbs_rand(n, x); | |
1351 | rc->gr.f = f_freeme; | |
1352 | rc->bp.p = MP_COPY(p); | |
1353 | rc->bp.q = MP_COPY(q); | |
1354 | rc->bp.n = MP_COPY(n); | |
1355 | end: | |
1356 | mp_drop(p); mp_drop(q); mp_drop(n); mp_drop(x); | |
1357 | return ((PyObject *)rc); | |
1358 | } | |
1359 | ||
b16009b0 | 1360 | static PyObject *bpmeth_generate(PyObject *me, PyObject *arg, PyObject *kw) |
d7ab1bab | 1361 | { |
1362 | bbs_priv bp = { 0 }; | |
1363 | mp *x = MP_TWO; | |
930d78e3 MW |
1364 | struct excinfo exc = EXCINFO_INIT; |
1365 | pypgev evt = { { 0 } }; | |
d7ab1bab | 1366 | unsigned nbits, n = 0; |
1367 | grand *r = &rand_global; | |
827f89d7 | 1368 | static const char *const kwlist[] = |
b16009b0 | 1369 | { "nbits", "event", "rng", "nsteps", "seed", 0 }; |
d7ab1bab | 1370 | bbspriv_pyobj *rc = 0; |
1371 | ||
930d78e3 | 1372 | evt.exc = &exc; |
b16009b0 MW |
1373 | if (!PyArg_ParseTupleAndKeywords(arg, kw, "O&|O&O&O&O&:generate", KWLIST, |
1374 | convuint, &nbits, convpgev, &evt, | |
d7ab1bab | 1375 | convgrand, &r, convuint, &n, convmp, &x)) |
1376 | goto end; | |
930d78e3 MW |
1377 | if (bbs_gen(&bp, nbits, r, n, evt.ev.proc, evt.ev.ctx)) |
1378 | PGENERR(&exc); | |
d7ab1bab | 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 | ||
637b9140 | 1422 | static const PyMethodDef bbspriv_pymethods[] = { |
d7ab1bab | 1423 | #define METHNAME(name) bpmeth_##name |
ef783f91 MW |
1424 | METH (ff, "R.ff(N): fast-forward N places") |
1425 | METH (rew, "R.rew(N): rewind N places") | |
b16009b0 MW |
1426 | KWSMTH(generate, "generate(NBITS, [event = pgen_nullev], " |
1427 | "[rng = rand], [nsteps = 0], [seed = 2]) -> R") | |
d7ab1bab | 1428 | #undef METHNAME |
1429 | { 0 } | |
1430 | }; | |
1431 | ||
637b9140 | 1432 | static const PyGetSetDef bbspriv_pygetset[] = { |
d7ab1bab | 1433 | #define GETSETNAME(op, name) bp##op##_##name |
b2687a0a MW |
1434 | GET (n, "R.n -> Blum modulus") |
1435 | GET (p, "R.p -> one of the factors of the modulus") | |
1436 | GET (q, "R.q -> one of the factors of the modulus") | |
d7ab1bab | 1437 | #undef GETSETNAME |
1438 | { 0 } | |
1439 | }; | |
1440 | ||
1441 | static PyTypeObject bbspriv_pytype_skel = { | |
6d4db0bf | 1442 | PyObject_HEAD_INIT(0) 0, /* Header */ |
c461c9b3 | 1443 | "BBSPriv", /* @tp_name@ */ |
d7ab1bab | 1444 | sizeof(bbspriv_pyobj), /* @tp_basicsize@ */ |
1445 | 0, /* @tp_itemsize@ */ | |
1446 | ||
1447 | bbspriv_pydealloc, /* @tp_dealloc@ */ | |
1448 | 0, /* @tp_print@ */ | |
1449 | 0, /* @tp_getattr@ */ | |
1450 | 0, /* @tp_setattr@ */ | |
1451 | 0, /* @tp_compare@ */ | |
1452 | 0, /* @tp_repr@ */ | |
1453 | 0, /* @tp_as_number@ */ | |
1454 | 0, /* @tp_as_sequence@ */ | |
1455 | 0, /* @tp_as_mapping@ */ | |
1456 | 0, /* @tp_hash@ */ | |
1457 | 0, /* @tp_call@ */ | |
1458 | 0, /* @tp_str@ */ | |
1459 | 0, /* @tp_getattro@ */ | |
1460 | 0, /* @tp_setattro@ */ | |
1461 | 0, /* @tp_as_buffer@ */ | |
1462 | Py_TPFLAGS_DEFAULT | /* @tp_flags@ */ | |
1463 | Py_TPFLAGS_BASETYPE, | |
1464 | ||
1465 | /* @tp_doc@ */ | |
ef783f91 MW |
1466 | "BBSPriv(..., [seed = 2]): Blum-Blum-Shub, with private key.\n" |
1467 | " Keywords: n, p, q; must provide at least two", | |
d7ab1bab | 1468 | |
1469 | 0, /* @tp_traverse@ */ | |
1470 | 0, /* @tp_clear@ */ | |
1471 | 0, /* @tp_richcompare@ */ | |
1472 | 0, /* @tp_weaklistoffset@ */ | |
1473 | 0, /* @tp_iter@ */ | |
963a6148 | 1474 | 0, /* @tp_iternext@ */ |
637b9140 | 1475 | PYMETHODS(bbspriv), /* @tp_methods@ */ |
d7ab1bab | 1476 | 0, /* @tp_members@ */ |
637b9140 | 1477 | PYGETSET(bbspriv), /* @tp_getset@ */ |
d7ab1bab | 1478 | 0, /* @tp_base@ */ |
1479 | 0, /* @tp_dict@ */ | |
1480 | 0, /* @tp_descr_get@ */ | |
1481 | 0, /* @tp_descr_set@ */ | |
1482 | 0, /* @tp_dictoffset@ */ | |
1483 | 0, /* @tp_init@ */ | |
1484 | PyType_GenericAlloc, /* @tp_alloc@ */ | |
1485 | bbspriv_pynew, /* @tp_new@ */ | |
3aa33042 | 1486 | 0, /* @tp_free@ */ |
d7ab1bab | 1487 | 0 /* @tp_is_gc@ */ |
1488 | }; | |
1489 | ||
1490 | /*----- Global stuff ------------------------------------------------------*/ | |
1491 | ||
d7ab1bab | 1492 | void rand_pyinit(void) |
1493 | { | |
1494 | INITTYPE(grand, root); | |
1495 | INITTYPE(truerand, grand); | |
1496 | INITTYPE(fibrand, grand); | |
1497 | INITTYPE(lcrand, grand); | |
1498 | INITTYPE(dsarand, grand); | |
1499 | INITTYPE(bbs, grand); | |
1500 | INITTYPE(bbspriv, bbs); | |
1501 | INITTYPE(sslprf, grand); | |
1502 | INITTYPE(tlsdx, grand); | |
1503 | INITTYPE(tlsprf, grand); | |
850a4b48 MW |
1504 | INITTYPE(gccrand, type); |
1505 | INITTYPE(gcrand, grand); | |
35e5469a | 1506 | INITTYPE(gclatinrand, gcrand); |
d7ab1bab | 1507 | rand_noisesrc(RAND_GLOBAL, &noise_source); |
1508 | rand_seed(RAND_GLOBAL, 160); | |
d7ab1bab | 1509 | } |
1510 | ||
850a4b48 MW |
1511 | #define gccrand gccrand_info |
1512 | GEN(gccrands, crand) | |
1513 | ||
d7ab1bab | 1514 | void rand_pyinsert(PyObject *mod) |
1515 | { | |
1516 | INSERT("GRand", grand_pytype); | |
1517 | INSERT("TrueRand", truerand_pytype); | |
1518 | INSERT("LCRand", lcrand_pytype); | |
1519 | INSERT("FibRand", fibrand_pytype); | |
1520 | INSERT("SSLRand", sslprf_pytype); | |
1521 | INSERT("TLSDataExpansion", tlsdx_pytype); | |
1522 | INSERT("TLSPRF", tlsprf_pytype); | |
1523 | INSERT("DSARand", dsarand_pytype); | |
1524 | INSERT("BlumBlumShub", bbs_pytype); | |
1525 | INSERT("BBSPriv", bbspriv_pytype); | |
850a4b48 MW |
1526 | INSERT("GCCRand", gccrand_pytype); |
1527 | INSERT("GCRand", gcrand_pytype); | |
35e5469a | 1528 | INSERT("GCLatinRand", gclatinrand_pytype); |
d7ab1bab | 1529 | rand_pyobj = grand_pywrap(&rand_global, 0); Py_INCREF(rand_pyobj); |
850a4b48 MW |
1530 | gccrands_dict = gccrands(); Py_INCREF(gccrands_dict); |
1531 | INSERT("gccrands", gccrands_dict); | |
d7ab1bab | 1532 | INSERT("rand", rand_pyobj); |
1533 | } | |
1534 | ||
1535 | /*----- That's all, folks -------------------------------------------------*/ |