Commit | Line | Data |
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d7ab1bab | 1 | /* -*-c-*- |
2 | * | |
3 | * $Id$ | |
4 | * | |
5 | * Symmetric cryptography | |
6 | * | |
7 | * (c) 2004 Straylight/Edgeware | |
8 | */ | |
9 | ||
10 | /*----- Licensing notice --------------------------------------------------* | |
11 | * | |
12 | * This file is part of the Python interface to Catacomb. | |
13 | * | |
14 | * Catacomb/Python is free software; you can redistribute it and/or modify | |
15 | * it under the terms of the GNU General Public License as published by | |
16 | * the Free Software Foundation; either version 2 of the License, or | |
17 | * (at your option) any later version. | |
18 | * | |
19 | * Catacomb/Python is distributed in the hope that it will be useful, | |
20 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
21 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
22 | * GNU General Public License for more details. | |
23 | * | |
24 | * You should have received a copy of the GNU General Public License | |
25 | * along with Catacomb/Python; if not, write to the Free Software Foundation, | |
26 | * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
27 | */ | |
28 | ||
29 | /*----- Header files ------------------------------------------------------*/ | |
30 | ||
31 | #include "catacomb-python.h" | |
32 | #include "algorithms.h" | |
33 | ||
34 | /*----- Key sizes ---------------------------------------------------------*/ | |
35 | ||
36 | PyTypeObject *keysz_pytype; | |
37 | PyTypeObject *keyszany_pytype, *keyszrange_pytype, *keyszset_pytype; | |
38 | PyObject *sha_pyobj, *has160_pyobj; | |
39 | ||
40 | PyObject *keysz_pywrap(const octet *k) | |
41 | { | |
42 | switch (k[0]) { | |
43 | case KSZ_ANY: { | |
44 | keysz_pyobj *o = PyObject_New(keysz_pyobj, keyszany_pytype); | |
45 | o->dfl = k[1]; | |
46 | return ((PyObject *)o); | |
47 | } break; | |
48 | case KSZ_RANGE: { | |
49 | keyszrange_pyobj *o = | |
50 | PyObject_New(keyszrange_pyobj, keyszrange_pytype); | |
51 | o->dfl = k[1]; | |
52 | o->min = k[2]; | |
53 | o->max = k[3]; | |
54 | o->mod = k[4]; | |
55 | if (!o->mod) o->mod = 1; | |
56 | return ((PyObject *)o); | |
57 | } break; | |
58 | case KSZ_SET: { | |
59 | keyszset_pyobj *o = | |
60 | PyObject_New(keyszset_pyobj, keyszset_pytype); | |
61 | int i, n; | |
62 | o->dfl = k[1]; | |
63 | for (i = 0; k[i + 1]; i++) ; | |
64 | n = i; o->set = PyTuple_New(n); | |
65 | for (i = 0; i < n; i++) | |
66 | PyTuple_SET_ITEM(o->set, i, PyInt_FromLong(k[i + 1])); | |
67 | return ((PyObject *)o); | |
68 | } break; | |
69 | default: | |
70 | abort(); | |
71 | } | |
72 | } | |
73 | ||
74 | static PyObject *keyszany_pynew(PyTypeObject *ty, | |
75 | PyObject *arg, PyObject *kw) | |
76 | { | |
77 | char *kwlist[] = { "default", 0 }; | |
78 | int dfl; | |
79 | keysz_pyobj *o; | |
80 | ||
81 | if (!PyArg_ParseTupleAndKeywords(arg, kw, "i:new", kwlist, &dfl)) | |
82 | goto end; | |
83 | if (dfl < 0) VALERR("key size cannot be negative"); | |
84 | o = (keysz_pyobj *)ty->tp_alloc(ty, 0); | |
85 | o->dfl = dfl; | |
86 | return ((PyObject *)o); | |
87 | end: | |
88 | return (0); | |
89 | } | |
90 | ||
91 | static PyObject *keyszrange_pynew(PyTypeObject *ty, | |
92 | PyObject *arg, PyObject *kw) | |
93 | { | |
94 | char *kwlist[] = { "default", "min", "max", "mod", 0 }; | |
95 | int dfl, min = 0, max = 0, mod = 1; | |
96 | keyszrange_pyobj *o; | |
97 | ||
98 | if (!PyArg_ParseTupleAndKeywords(arg, kw, "i|iii:new", kwlist, | |
99 | &dfl, &min, &max, &mod)) | |
100 | goto end; | |
101 | if (dfl < 0 || min < 0 || max < 0) | |
102 | VALERR("key size cannot be negative"); | |
103 | if (min > dfl || (max && dfl > max)) | |
104 | VALERR("bad key size bounds"); | |
105 | if (mod <= 0 || dfl % mod || min % mod || max % mod) | |
106 | VALERR("bad key size modulus"); | |
107 | o = (keyszrange_pyobj *)ty->tp_alloc(ty, 0); | |
108 | o->dfl = dfl; | |
109 | o->min = min; | |
110 | o->max = max; | |
111 | o->mod = mod; | |
112 | return ((PyObject *)o); | |
113 | end: | |
114 | return (0); | |
115 | } | |
116 | ||
117 | static PyObject *keyszset_pynew(PyTypeObject *ty, | |
118 | PyObject *arg, PyObject *kw) | |
119 | { | |
120 | char *kwlist[] = { "default", "set", 0 }; | |
121 | int dfl, i, n, xx; | |
122 | PyObject *set = 0; | |
123 | PyObject *x = 0, *l = 0; | |
124 | keyszset_pyobj *o = 0; | |
125 | ||
126 | if (!PyArg_ParseTupleAndKeywords(arg, kw, "i|O:new", kwlist, | |
127 | &dfl, &set)) | |
128 | goto end; | |
129 | if (!set) set = PyTuple_New(0); | |
130 | else Py_INCREF(set); | |
131 | if (!PySequence_Check(set)) TYERR("want a sequence"); | |
132 | n = PySequence_Size(set); | |
133 | l = PyList_New(0); | |
134 | if (PyErr_Occurred()) goto end; | |
135 | if (dfl < 0) VALERR("key size cannot be negative"); | |
136 | x = PyInt_FromLong(dfl); | |
137 | PyList_Append(l, x); | |
138 | Py_DECREF(x); | |
139 | x = 0; | |
140 | for (i = 0; i < n; i++) { | |
141 | if ((x = PySequence_GetItem(set, i)) == 0) goto end; | |
142 | xx = PyInt_AsLong(x); | |
143 | if (PyErr_Occurred()) goto end; | |
144 | if (xx == dfl) continue; | |
145 | if (xx < 0) VALERR("key size cannot be negative"); | |
146 | PyList_Append(l, x); | |
147 | Py_DECREF(x); | |
148 | x = 0; | |
149 | } | |
150 | Py_DECREF(set); | |
151 | if ((set = PySequence_Tuple(l)) == 0) goto end; | |
152 | o = (keyszset_pyobj *)ty->tp_alloc(ty, 0); | |
153 | o->dfl = dfl; | |
154 | o->set = set; | |
155 | Py_INCREF(set); | |
156 | end: | |
157 | Py_XDECREF(set); | |
158 | Py_XDECREF(l); | |
159 | Py_XDECREF(x); | |
160 | return ((PyObject *)o); | |
161 | } | |
162 | ||
163 | static PyObject *kaget_min(PyObject *me, void *hunoz) | |
164 | { return (PyInt_FromLong(0)); } | |
165 | #define kaget_max kaget_min | |
166 | ||
167 | static PyObject *ksget_min(PyObject *me, void *hunoz) | |
168 | { | |
169 | PyObject *set = ((keyszset_pyobj *)me)->set; | |
170 | int i, n, y, x = -1; | |
171 | n = PyTuple_Size(set); | |
172 | for (i = 0; i < n; i++) { | |
173 | y = PyInt_AsLong(PyTuple_GetItem(set, i)); | |
174 | if (x == -1 || y < x) x = y; | |
175 | } | |
176 | return (PyInt_FromLong(x)); | |
177 | } | |
178 | ||
179 | static PyObject *ksget_max(PyObject *me, void *hunoz) | |
180 | { | |
181 | PyObject *set = ((keyszset_pyobj *)me)->set; | |
182 | int i, n, y, x = -1; | |
183 | n = PyTuple_Size(set); | |
184 | for (i = 0; i < n; i++) { | |
185 | y = PyInt_AsLong(PyTuple_GetItem(set, i)); | |
186 | if (y > x) x = y; | |
187 | } | |
188 | return (PyInt_FromLong(x)); | |
189 | } | |
190 | ||
191 | static PyMemberDef keysz_pymembers[] = { | |
192 | #define MEMBERSTRUCT keysz_pyobj | |
193 | #define default dfl /* ugh! */ | |
194 | MEMBER(default, T_INT, READONLY, "KSZ.default -> default key size") | |
195 | #undef default | |
196 | #undef MEMBERSTRUCT | |
197 | { 0 } | |
198 | }; | |
199 | ||
200 | static PyGetSetDef keyszany_pygetset[] = { | |
201 | #define GETSETNAME(op, name) ka##op##_##name | |
202 | GET (min, "KSZ.min -> smallest allowed key size") | |
203 | GET (max, "KSZ.min -> largest allowed key size") | |
204 | #undef GETSETNAME | |
205 | { 0 } | |
206 | }; | |
207 | ||
208 | static PyMemberDef keyszrange_pymembers[] = { | |
209 | #define MEMBERSTRUCT keyszrange_pyobj | |
210 | MEMBER(min, T_INT, READONLY, "KSZ.min -> smallest allowed key size") | |
211 | MEMBER(max, T_INT, READONLY, "KSZ.min -> largest allowed key size") | |
212 | MEMBER(mod, T_INT, READONLY, | |
213 | "KSZ.mod -> key size must be a multiple of this") | |
214 | #undef MEMBERSTRUCT | |
215 | { 0 } | |
216 | }; | |
217 | ||
218 | static PyGetSetDef keyszset_pygetset[] = { | |
219 | #define GETSETNAME(op, name) ks##op##_##name | |
220 | GET (min, "KSZ.min -> smallest allowed key size") | |
221 | GET (max, "KSZ.min -> largest allowed key size") | |
222 | #undef GETSETNAME | |
223 | { 0 } | |
224 | }; | |
225 | ||
226 | static PyMemberDef keyszset_pymembers[] = { | |
227 | #define MEMBERSTRUCT keyszset_pyobj | |
228 | MEMBER(set, T_OBJECT, READONLY, "KSZ.set -> allowed key sizes") | |
229 | #undef MEMBERSTRUCT | |
230 | { 0 } | |
231 | }; | |
232 | ||
233 | static PyTypeObject keysz_pytype_skel = { | |
6d4db0bf | 234 | PyObject_HEAD_INIT(0) 0, /* Header */ |
d7ab1bab | 235 | "catacomb.KeySZ", /* @tp_name@ */ |
236 | sizeof(keysz_pyobj), /* @tp_basicsize@ */ | |
237 | 0, /* @tp_itemsize@ */ | |
238 | ||
3aa33042 | 239 | 0, /* @tp_dealloc@ */ |
d7ab1bab | 240 | 0, /* @tp_print@ */ |
241 | 0, /* @tp_getattr@ */ | |
242 | 0, /* @tp_setattr@ */ | |
243 | 0, /* @tp_compare@ */ | |
244 | 0, /* @tp_repr@ */ | |
245 | 0, /* @tp_as_number@ */ | |
246 | 0, /* @tp_as_sequence@ */ | |
247 | 0, /* @tp_as_mapping@ */ | |
248 | 0, /* @tp_hash@ */ | |
249 | 0, /* @tp_call@ */ | |
250 | 0, /* @tp_str@ */ | |
251 | 0, /* @tp_getattro@ */ | |
252 | 0, /* @tp_setattro@ */ | |
253 | 0, /* @tp_as_buffer@ */ | |
254 | Py_TPFLAGS_DEFAULT | /* @tp_flags@ */ | |
255 | Py_TPFLAGS_BASETYPE, | |
256 | ||
257 | /* @tp_doc@ */ | |
258 | "Key size constraints.", | |
259 | ||
260 | 0, /* @tp_traverse@ */ | |
261 | 0, /* @tp_clear@ */ | |
262 | 0, /* @tp_richcompare@ */ | |
263 | 0, /* @tp_weaklistoffset@ */ | |
264 | 0, /* @tp_iter@ */ | |
963a6148 | 265 | 0, /* @tp_iternext@ */ |
d7ab1bab | 266 | 0, /* @tp_methods@ */ |
267 | keysz_pymembers, /* @tp_members@ */ | |
268 | 0, /* @tp_getset@ */ | |
269 | 0, /* @tp_base@ */ | |
270 | 0, /* @tp_dict@ */ | |
271 | 0, /* @tp_descr_get@ */ | |
272 | 0, /* @tp_descr_set@ */ | |
273 | 0, /* @tp_dictoffset@ */ | |
274 | 0, /* @tp_init@ */ | |
275 | PyType_GenericAlloc, /* @tp_alloc@ */ | |
276 | abstract_pynew, /* @tp_new@ */ | |
3aa33042 | 277 | 0, /* @tp_free@ */ |
d7ab1bab | 278 | 0 /* @tp_is_gc@ */ |
279 | }; | |
280 | ||
281 | static PyTypeObject keyszany_pytype_skel = { | |
6d4db0bf | 282 | PyObject_HEAD_INIT(0) 0, /* Header */ |
d7ab1bab | 283 | "catacomb.KeySZAny", /* @tp_name@ */ |
284 | sizeof(keysz_pyobj), /* @tp_basicsize@ */ | |
285 | 0, /* @tp_itemsize@ */ | |
286 | ||
3aa33042 | 287 | 0, /* @tp_dealloc@ */ |
d7ab1bab | 288 | 0, /* @tp_print@ */ |
289 | 0, /* @tp_getattr@ */ | |
290 | 0, /* @tp_setattr@ */ | |
291 | 0, /* @tp_compare@ */ | |
292 | 0, /* @tp_repr@ */ | |
293 | 0, /* @tp_as_number@ */ | |
294 | 0, /* @tp_as_sequence@ */ | |
295 | 0, /* @tp_as_mapping@ */ | |
296 | 0, /* @tp_hash@ */ | |
297 | 0, /* @tp_call@ */ | |
298 | 0, /* @tp_str@ */ | |
299 | 0, /* @tp_getattro@ */ | |
300 | 0, /* @tp_setattro@ */ | |
301 | 0, /* @tp_as_buffer@ */ | |
302 | Py_TPFLAGS_DEFAULT | /* @tp_flags@ */ | |
303 | Py_TPFLAGS_BASETYPE, | |
304 | ||
305 | /* @tp_doc@ */ | |
306 | "Key size constraints. This object imposes no constraints on size.", | |
307 | ||
308 | 0, /* @tp_traverse@ */ | |
309 | 0, /* @tp_clear@ */ | |
310 | 0, /* @tp_richcompare@ */ | |
311 | 0, /* @tp_weaklistoffset@ */ | |
312 | 0, /* @tp_iter@ */ | |
963a6148 | 313 | 0, /* @tp_iternext@ */ |
d7ab1bab | 314 | 0, /* @tp_methods@ */ |
315 | 0, /* @tp_members@ */ | |
316 | keyszany_pygetset, /* @tp_getset@ */ | |
317 | 0, /* @tp_base@ */ | |
318 | 0, /* @tp_dict@ */ | |
319 | 0, /* @tp_descr_get@ */ | |
320 | 0, /* @tp_descr_set@ */ | |
321 | 0, /* @tp_dictoffset@ */ | |
322 | 0, /* @tp_init@ */ | |
323 | PyType_GenericAlloc, /* @tp_alloc@ */ | |
324 | keyszany_pynew, /* @tp_new@ */ | |
3aa33042 | 325 | 0, /* @tp_free@ */ |
d7ab1bab | 326 | 0 /* @tp_is_gc@ */ |
327 | }; | |
328 | ||
329 | static PyTypeObject keyszrange_pytype_skel = { | |
6d4db0bf | 330 | PyObject_HEAD_INIT(0) 0, /* Header */ |
d7ab1bab | 331 | "catacomb.KeySZRange", /* @tp_name@ */ |
332 | sizeof(keyszrange_pyobj), /* @tp_basicsize@ */ | |
333 | 0, /* @tp_itemsize@ */ | |
334 | ||
3aa33042 | 335 | 0, /* @tp_dealloc@ */ |
d7ab1bab | 336 | 0, /* @tp_print@ */ |
337 | 0, /* @tp_getattr@ */ | |
338 | 0, /* @tp_setattr@ */ | |
339 | 0, /* @tp_compare@ */ | |
340 | 0, /* @tp_repr@ */ | |
341 | 0, /* @tp_as_number@ */ | |
342 | 0, /* @tp_as_sequence@ */ | |
343 | 0, /* @tp_as_mapping@ */ | |
344 | 0, /* @tp_hash@ */ | |
345 | 0, /* @tp_call@ */ | |
346 | 0, /* @tp_str@ */ | |
347 | 0, /* @tp_getattro@ */ | |
348 | 0, /* @tp_setattro@ */ | |
349 | 0, /* @tp_as_buffer@ */ | |
350 | Py_TPFLAGS_DEFAULT | /* @tp_flags@ */ | |
351 | Py_TPFLAGS_BASETYPE, | |
352 | ||
353 | /* @tp_doc@ */ | |
354 | "Key size constraints. This object asserts minimum and maximum (if\n\ | |
355 | sizes, and requires the key length to be a multiple of some value.", | |
356 | ||
357 | 0, /* @tp_traverse@ */ | |
358 | 0, /* @tp_clear@ */ | |
359 | 0, /* @tp_richcompare@ */ | |
360 | 0, /* @tp_weaklistoffset@ */ | |
361 | 0, /* @tp_iter@ */ | |
963a6148 | 362 | 0, /* @tp_iternext@ */ |
d7ab1bab | 363 | 0, /* @tp_methods@ */ |
364 | keyszrange_pymembers, /* @tp_members@ */ | |
365 | 0, /* @tp_getset@ */ | |
366 | 0, /* @tp_base@ */ | |
367 | 0, /* @tp_dict@ */ | |
368 | 0, /* @tp_descr_get@ */ | |
369 | 0, /* @tp_descr_set@ */ | |
370 | 0, /* @tp_dictoffset@ */ | |
371 | 0, /* @tp_init@ */ | |
372 | PyType_GenericAlloc, /* @tp_alloc@ */ | |
373 | keyszrange_pynew, /* @tp_new@ */ | |
3aa33042 | 374 | 0, /* @tp_free@ */ |
d7ab1bab | 375 | 0 /* @tp_is_gc@ */ |
376 | }; | |
377 | ||
378 | static PyTypeObject keyszset_pytype_skel = { | |
6d4db0bf | 379 | PyObject_HEAD_INIT(0) 0, /* Header */ |
d7ab1bab | 380 | "catacomb.KeySZSet", /* @tp_name@ */ |
381 | sizeof(keyszset_pyobj), /* @tp_basicsize@ */ | |
382 | 0, /* @tp_itemsize@ */ | |
383 | ||
3aa33042 | 384 | 0, /* @tp_dealloc@ */ |
d7ab1bab | 385 | 0, /* @tp_print@ */ |
386 | 0, /* @tp_getattr@ */ | |
387 | 0, /* @tp_setattr@ */ | |
388 | 0, /* @tp_compare@ */ | |
389 | 0, /* @tp_repr@ */ | |
390 | 0, /* @tp_as_number@ */ | |
391 | 0, /* @tp_as_sequence@ */ | |
392 | 0, /* @tp_as_mapping@ */ | |
393 | 0, /* @tp_hash@ */ | |
394 | 0, /* @tp_call@ */ | |
395 | 0, /* @tp_str@ */ | |
396 | 0, /* @tp_getattro@ */ | |
397 | 0, /* @tp_setattro@ */ | |
398 | 0, /* @tp_as_buffer@ */ | |
399 | Py_TPFLAGS_DEFAULT | /* @tp_flags@ */ | |
400 | Py_TPFLAGS_BASETYPE, | |
401 | ||
402 | /* @tp_doc@ */ | |
403 | "Key size constraints. This object requires the key to be one of a\n\ | |
404 | few listed sizes.", | |
405 | ||
406 | 0, /* @tp_traverse@ */ | |
407 | 0, /* @tp_clear@ */ | |
408 | 0, /* @tp_richcompare@ */ | |
409 | 0, /* @tp_weaklistoffset@ */ | |
410 | 0, /* @tp_iter@ */ | |
963a6148 | 411 | 0, /* @tp_iternext@ */ |
d7ab1bab | 412 | 0, /* @tp_methods@ */ |
413 | keyszset_pymembers, /* @tp_members@ */ | |
414 | keyszset_pygetset, /* @tp_getset@ */ | |
415 | 0, /* @tp_base@ */ | |
416 | 0, /* @tp_dict@ */ | |
417 | 0, /* @tp_descr_get@ */ | |
418 | 0, /* @tp_descr_set@ */ | |
419 | 0, /* @tp_dictoffset@ */ | |
420 | 0, /* @tp_init@ */ | |
421 | PyType_GenericAlloc, /* @tp_alloc@ */ | |
422 | keyszset_pynew, /* @tp_new@ */ | |
3aa33042 | 423 | 0, /* @tp_free@ */ |
d7ab1bab | 424 | 0 /* @tp_is_gc@ */ |
425 | }; | |
426 | ||
427 | /*----- Symmetric encryption ----------------------------------------------*/ | |
428 | ||
429 | PyTypeObject *gccipher_pytype, *gcipher_pytype; | |
430 | ||
431 | CONVFUNC(gccipher, gccipher *, GCCIPHER_CC) | |
432 | CONVFUNC(gcipher, gcipher *, GCIPHER_C) | |
433 | ||
434 | PyObject *gcipher_pywrap(PyObject *cobj, gcipher *c, unsigned f) | |
435 | { | |
436 | gcipher_pyobj *g; | |
437 | if (!cobj) cobj = gccipher_pywrap((/*unconst*/ gccipher *)GC_CLASS(c)); | |
438 | else Py_INCREF(cobj); | |
439 | g = PyObject_NEW(gcipher_pyobj, (PyTypeObject *)cobj); | |
440 | g->c = c; | |
441 | g->f = f; | |
442 | return ((PyObject *)g); | |
443 | } | |
444 | ||
445 | static PyObject *gcipher_pynew(PyTypeObject *ty, PyObject *arg, PyObject *kw) | |
446 | { | |
447 | char *kwlist[] = { "k", 0 }; | |
448 | char *k; | |
449 | int sz; | |
450 | ||
451 | if (!PyArg_ParseTupleAndKeywords(arg, kw, "s#:new", kwlist, &k, &sz)) | |
452 | goto end; | |
453 | if (keysz(sz, GCCIPHER_CC(ty)->keysz) != sz) VALERR("bad key length"); | |
454 | return (gcipher_pywrap((PyObject *)ty, | |
455 | GC_INIT(GCCIPHER_CC(ty), k, sz), | |
456 | f_freeme)); | |
457 | end: | |
458 | return (0); | |
459 | } | |
460 | ||
461 | PyObject *gccipher_pywrap(gccipher *cc) | |
462 | { | |
df9f8366 | 463 | gccipher_pyobj *g = newtype(gccipher_pytype, 0, cc->name); |
d7ab1bab | 464 | g->cc = cc; |
df9f8366 | 465 | g->ty.type.tp_basicsize = sizeof(gcipher_pyobj); |
466 | g->ty.type.tp_base = gcipher_pytype; | |
d7ab1bab | 467 | Py_INCREF(gcipher_pytype); |
df9f8366 | 468 | g->ty.type.tp_flags = (Py_TPFLAGS_DEFAULT | |
469 | Py_TPFLAGS_BASETYPE | | |
470 | Py_TPFLAGS_HEAPTYPE); | |
471 | g->ty.type.tp_alloc = PyType_GenericAlloc; | |
472 | g->ty.type.tp_free = 0; | |
473 | g->ty.type.tp_new = gcipher_pynew; | |
474 | PyType_Ready(&g->ty.type); | |
d7ab1bab | 475 | return ((PyObject *)g); |
476 | } | |
477 | ||
478 | static void gcipher_pydealloc(PyObject *me) | |
479 | { | |
480 | if (GCIPHER_F(me) & f_freeme) | |
481 | GC_DESTROY(GCIPHER_C(me)); | |
482 | Py_DECREF(me->ob_type); | |
3aa33042 | 483 | FREEOBJ(me); |
d7ab1bab | 484 | } |
485 | ||
486 | static PyObject *gccget_name(PyObject *me, void *hunoz) | |
487 | { return (PyString_FromString(GCCIPHER_CC(me)->name)); } | |
488 | ||
489 | static PyObject *gccget_keysz(PyObject *me, void *hunoz) | |
490 | { return (keysz_pywrap(GCCIPHER_CC(me)->keysz)); } | |
491 | ||
492 | static PyObject *gccget_blksz(PyObject *me, void *hunoz) | |
493 | { return (PyInt_FromLong(GCCIPHER_CC(me)->blksz)); } | |
494 | ||
495 | static PyObject *gcmeth_encrypt(PyObject *me, PyObject *arg) | |
496 | { | |
497 | char *p; | |
498 | int sz; | |
499 | PyObject *rc = 0; | |
500 | ||
501 | if (!PyArg_ParseTuple(arg, "s#:encrypt", &p, &sz)) return (0); | |
502 | rc = bytestring_pywrap(0, sz); | |
503 | GC_ENCRYPT(GCIPHER_C(me), p, PyString_AS_STRING(rc), sz); | |
504 | return (rc); | |
505 | } | |
506 | ||
507 | static PyObject *gcmeth_enczero(PyObject *me, PyObject *arg) | |
508 | { | |
509 | char *p; | |
510 | int sz; | |
511 | PyObject *rc = 0; | |
512 | ||
513 | if (!PyArg_ParseTuple(arg, "i:enczero", &sz)) return (0); | |
514 | rc = bytestring_pywrap(0, sz); | |
515 | p = PyString_AS_STRING(rc); | |
516 | memset(p, 0, sz); | |
517 | GC_ENCRYPT(GCIPHER_C(me), p, p, sz); | |
518 | return (rc); | |
519 | } | |
520 | ||
521 | static PyObject *gcmeth_decrypt(PyObject *me, PyObject *arg) | |
522 | { | |
523 | char *p; | |
524 | int sz; | |
525 | PyObject *rc = 0; | |
526 | ||
527 | if (!PyArg_ParseTuple(arg, "s#:decrypt", &p, &sz)) return (0); | |
528 | rc = bytestring_pywrap(0, sz); | |
529 | GC_DECRYPT(GCIPHER_C(me), p, PyString_AS_STRING(rc), sz); | |
530 | return (rc); | |
531 | } | |
532 | ||
533 | static PyObject *gcmeth_deczero(PyObject *me, PyObject *arg) | |
534 | { | |
535 | char *p; | |
536 | int sz; | |
537 | PyObject *rc = 0; | |
538 | ||
539 | if (!PyArg_ParseTuple(arg, "i:deczero", &sz)) return (0); | |
540 | rc = bytestring_pywrap(0, sz); | |
541 | p = PyString_AS_STRING(rc); | |
542 | memset(p, 0, sz); | |
543 | GC_DECRYPT(GCIPHER_C(me), p, p, sz); | |
544 | return (rc); | |
545 | } | |
546 | ||
547 | static PyObject *gcmeth_setiv(PyObject *me, PyObject *arg) | |
548 | { | |
549 | char *p; | |
550 | int sz; | |
551 | ||
552 | if (!PyArg_ParseTuple(arg, "s#:setiv", &p, &sz)) goto end; | |
553 | if (!GC_CLASS(GCIPHER_C(me))->blksz) VALERR("not a block cipher mode"); | |
554 | if (sz != GC_CLASS(GCIPHER_C(me))->blksz) VALERR("bad IV length"); | |
555 | GC_SETIV(GCIPHER_C(me), p); | |
556 | RETURN_ME; | |
557 | end: | |
558 | return (0); | |
559 | } | |
560 | ||
561 | static PyObject *gcmeth_bdry(PyObject *me, PyObject *arg) | |
562 | { | |
563 | if (!PyArg_ParseTuple(arg, ":bdry")) goto end; | |
564 | if (!GC_CLASS(GCIPHER_C(me))->blksz) VALERR("not a block cipher mode"); | |
565 | GC_BDRY(GCIPHER_C(me)); | |
566 | RETURN_ME; | |
567 | end: | |
568 | return (0); | |
569 | } | |
570 | ||
571 | static PyGetSetDef gccipher_pygetset[] = { | |
572 | #define GETSETNAME(op, name) gcc##op##_##name | |
573 | GET (keysz, "CC.keysz -> acceptable key sizes") | |
574 | GET (blksz, "CC.blksz -> block size, or zero") | |
575 | GET (name, "CC.name -> name of this kind of cipher") | |
576 | #undef GETSETNAME | |
577 | { 0 } | |
578 | }; | |
579 | ||
580 | static PyMethodDef gcipher_pymethods[] = { | |
581 | #define METHNAME(name) gcmeth_##name | |
582 | METH (encrypt, "C.encrypt(PT) -> CT") | |
583 | METH (enczero, "C.enczero(N) -> CT") | |
584 | METH (decrypt, "C.decrypt(CT) -> PT") | |
585 | METH (deczero, "C.deczero(N) -> PT") | |
586 | METH (setiv, "C.setiv(IV)") | |
587 | METH (bdry, "C.bdry()") | |
588 | #undef METHNAME | |
589 | { 0 } | |
590 | }; | |
591 | ||
592 | static PyTypeObject gccipher_pytype_skel = { | |
6d4db0bf | 593 | PyObject_HEAD_INIT(0) 0, /* Header */ |
d7ab1bab | 594 | "catacomb.GCCipher", /* @tp_name@ */ |
595 | sizeof(gccipher_pyobj), /* @tp_basicsize@ */ | |
596 | 0, /* @tp_itemsize@ */ | |
597 | ||
598 | 0, /* @tp_dealloc@ */ | |
599 | 0, /* @tp_print@ */ | |
600 | 0, /* @tp_getattr@ */ | |
601 | 0, /* @tp_setattr@ */ | |
602 | 0, /* @tp_compare@ */ | |
603 | 0, /* @tp_repr@ */ | |
604 | 0, /* @tp_as_number@ */ | |
605 | 0, /* @tp_as_sequence@ */ | |
606 | 0, /* @tp_as_mapping@ */ | |
607 | 0, /* @tp_hash@ */ | |
608 | 0, /* @tp_call@ */ | |
609 | 0, /* @tp_str@ */ | |
610 | 0, /* @tp_getattro@ */ | |
611 | 0, /* @tp_setattro@ */ | |
612 | 0, /* @tp_as_buffer@ */ | |
613 | Py_TPFLAGS_DEFAULT | /* @tp_flags@ */ | |
614 | Py_TPFLAGS_BASETYPE, | |
615 | ||
616 | /* @tp_doc@ */ | |
617 | "Symmetric cipher metaclass.", | |
618 | ||
619 | 0, /* @tp_traverse@ */ | |
620 | 0, /* @tp_clear@ */ | |
621 | 0, /* @tp_richcompare@ */ | |
622 | 0, /* @tp_weaklistoffset@ */ | |
623 | 0, /* @tp_iter@ */ | |
963a6148 | 624 | 0, /* @tp_iternext@ */ |
d7ab1bab | 625 | 0, /* @tp_methods@ */ |
626 | 0, /* @tp_members@ */ | |
627 | gccipher_pygetset, /* @tp_getset@ */ | |
628 | 0, /* @tp_base@ */ | |
629 | 0, /* @tp_dict@ */ | |
630 | 0, /* @tp_descr_get@ */ | |
631 | 0, /* @tp_descr_set@ */ | |
632 | 0, /* @tp_dictoffset@ */ | |
633 | 0, /* @tp_init@ */ | |
634 | PyType_GenericAlloc, /* @tp_alloc@ */ | |
635 | abstract_pynew, /* @tp_new@ */ | |
3aa33042 | 636 | 0, /* @tp_free@ */ |
d7ab1bab | 637 | 0 /* @tp_is_gc@ */ |
638 | }; | |
639 | ||
640 | static PyTypeObject gcipher_pytype_skel = { | |
6d4db0bf | 641 | PyObject_HEAD_INIT(0) 0, /* Header */ |
d7ab1bab | 642 | "catacomb.GCipher", /* @tp_name@ */ |
643 | sizeof(gcipher_pyobj), /* @tp_basicsize@ */ | |
644 | 0, /* @tp_itemsize@ */ | |
645 | ||
646 | gcipher_pydealloc, /* @tp_dealloc@ */ | |
647 | 0, /* @tp_print@ */ | |
648 | 0, /* @tp_getattr@ */ | |
649 | 0, /* @tp_setattr@ */ | |
650 | 0, /* @tp_compare@ */ | |
651 | 0, /* @tp_repr@ */ | |
652 | 0, /* @tp_as_number@ */ | |
653 | 0, /* @tp_as_sequence@ */ | |
654 | 0, /* @tp_as_mapping@ */ | |
655 | 0, /* @tp_hash@ */ | |
656 | 0, /* @tp_call@ */ | |
657 | 0, /* @tp_str@ */ | |
658 | 0, /* @tp_getattro@ */ | |
659 | 0, /* @tp_setattro@ */ | |
660 | 0, /* @tp_as_buffer@ */ | |
661 | Py_TPFLAGS_DEFAULT | /* @tp_flags@ */ | |
662 | Py_TPFLAGS_BASETYPE, | |
663 | ||
664 | /* @tp_doc@ */ | |
665 | "Symmetric cipher, abstract base class.", | |
666 | ||
667 | 0, /* @tp_traverse@ */ | |
668 | 0, /* @tp_clear@ */ | |
669 | 0, /* @tp_richcompare@ */ | |
670 | 0, /* @tp_weaklistoffset@ */ | |
671 | 0, /* @tp_iter@ */ | |
963a6148 | 672 | 0, /* @tp_iternext@ */ |
d7ab1bab | 673 | gcipher_pymethods, /* @tp_methods@ */ |
674 | 0, /* @tp_members@ */ | |
675 | 0, /* @tp_getset@ */ | |
676 | 0, /* @tp_base@ */ | |
677 | 0, /* @tp_dict@ */ | |
678 | 0, /* @tp_descr_get@ */ | |
679 | 0, /* @tp_descr_set@ */ | |
680 | 0, /* @tp_dictoffset@ */ | |
681 | 0, /* @tp_init@ */ | |
682 | PyType_GenericAlloc, /* @tp_alloc@ */ | |
683 | abstract_pynew, /* @tp_new@ */ | |
3aa33042 | 684 | 0, /* @tp_free@ */ |
d7ab1bab | 685 | 0 /* @tp_is_gc@ */ |
686 | }; | |
687 | ||
688 | /*----- Hash functions ----------------------------------------------------*/ | |
689 | ||
690 | PyTypeObject *gchash_pytype, *ghash_pytype; | |
691 | ||
692 | CONVFUNC(gchash, gchash *, GCHASH_CH) | |
693 | CONVFUNC(ghash, ghash *, GHASH_H) | |
694 | ||
695 | static PyObject *ghash_pynew(PyTypeObject *ty, PyObject *arg, PyObject *kw) | |
696 | { | |
697 | char *kwlist[] = { 0 }; | |
698 | if (!PyArg_ParseTupleAndKeywords(arg, kw, ":new", kwlist)) | |
699 | goto end; | |
700 | return (ghash_pywrap((PyObject *)ty, GH_INIT(GCHASH_CH(ty)), f_freeme)); | |
701 | end: | |
702 | return (0); | |
703 | } | |
704 | ||
705 | PyObject *gchash_pywrap(gchash *ch) | |
706 | { | |
df9f8366 | 707 | gchash_pyobj *g = newtype(gchash_pytype, 0, ch->name); |
d7ab1bab | 708 | g->ch = ch; |
df9f8366 | 709 | g->ty.type.tp_basicsize = sizeof(ghash_pyobj); |
710 | g->ty.type.tp_base = ghash_pytype; | |
d7ab1bab | 711 | Py_INCREF(ghash_pytype); |
df9f8366 | 712 | g->ty.type.tp_flags = (Py_TPFLAGS_DEFAULT | |
713 | Py_TPFLAGS_BASETYPE | | |
714 | Py_TPFLAGS_HEAPTYPE); | |
715 | g->ty.type.tp_alloc = PyType_GenericAlloc; | |
716 | g->ty.type.tp_free = 0; | |
717 | g->ty.type.tp_new = ghash_pynew; | |
718 | PyType_Ready(&g->ty.type); | |
d7ab1bab | 719 | return ((PyObject *)g); |
720 | } | |
721 | ||
722 | PyObject *ghash_pywrap(PyObject *cobj, ghash *h, unsigned f) | |
723 | { | |
724 | ghash_pyobj *g; | |
725 | if (!cobj) cobj = gchash_pywrap((/*unconst*/ gchash *)GH_CLASS(h)); | |
726 | else Py_INCREF(cobj); | |
727 | g = PyObject_NEW(ghash_pyobj, (PyTypeObject *)cobj); | |
728 | g->h = h; | |
729 | g->f = f; | |
730 | return ((PyObject *)g); | |
731 | } | |
732 | ||
733 | static void ghash_pydealloc(PyObject *me) | |
734 | { | |
735 | if (GHASH_F(me) & f_freeme) | |
736 | GH_DESTROY(GHASH_H(me)); | |
737 | Py_DECREF(me->ob_type); | |
3aa33042 | 738 | FREEOBJ(me); |
d7ab1bab | 739 | } |
740 | ||
741 | static PyObject *gchget_name(PyObject *me, void *hunoz) | |
742 | { return (PyString_FromString(GCHASH_CH(me)->name)); } | |
743 | ||
744 | static PyObject *gchget_hashsz(PyObject *me, void *hunoz) | |
745 | { return (PyInt_FromLong(GCHASH_CH(me)->hashsz)); } | |
746 | ||
747 | static PyObject *gchget_bufsz(PyObject *me, void *hunoz) | |
748 | { return (PyInt_FromLong(GCHASH_CH(me)->bufsz)); } | |
749 | ||
750 | static PyObject *ghmeth_hash(PyObject *me, PyObject *arg) | |
751 | { | |
752 | char *p; | |
753 | int sz; | |
754 | if (!PyArg_ParseTuple(arg, "s#:hash", &p, &sz)) return (0); | |
755 | GH_HASH(GHASH_H(me), p, sz); | |
756 | RETURN_ME; | |
757 | } | |
758 | ||
759 | static PyObject *ghmeth_done(PyObject *me, PyObject *arg) | |
760 | { | |
761 | ghash *g; | |
762 | PyObject *rc; | |
763 | if (!PyArg_ParseTuple(arg, ":done")) return (0); | |
764 | g = GH_COPY(GHASH_H(me)); | |
765 | rc = bytestring_pywrap(0, g->ops->c->hashsz); | |
766 | GH_DONE(g, PyString_AS_STRING(rc)); | |
767 | GH_DESTROY(g); | |
768 | return (rc); | |
769 | } | |
770 | ||
771 | static PyGetSetDef gchash_pygetset[] = { | |
772 | #define GETSETNAME(op, name) gch##op##_##name | |
773 | GET (bufsz, "CH.bufsz -> hash buffer size, or zero") | |
774 | GET (hashsz, "CH.blksz -> hash output size") | |
775 | GET (name, "CH.name -> name of this kind of hash") | |
776 | #undef GETSETNAME | |
777 | { 0 } | |
778 | }; | |
779 | ||
46e6ad89 | 780 | #define GHMETH_HASHU_(n, W, w) \ |
781 | static PyObject *ghmeth_hashu##w(PyObject *me, PyObject *arg) \ | |
782 | { \ | |
783 | uint##n x; \ | |
784 | if (!PyArg_ParseTuple(arg, "O&:hashu" #w, convu##n, &x)) goto end; \ | |
785 | GH_HASHU##W(GHASH_H(me), x); \ | |
786 | RETURN_ME; \ | |
787 | end: \ | |
788 | return (0); \ | |
789 | } | |
790 | DOUINTCONV(GHMETH_HASHU_) | |
791 | ||
792 | #define GHMETH_HASHBUF_(n, W, w) \ | |
793 | static PyObject *ghmeth_hashbuf##w(PyObject *me, PyObject *arg) \ | |
794 | { \ | |
795 | char *p; \ | |
796 | int sz; \ | |
797 | if (!PyArg_ParseTuple(arg, "s#:hashbuf" #w, &p, &sz)) goto end; \ | |
798 | if (sz > MASK##n) TYERR("string too long"); \ | |
799 | GH_HASHBUF##W(GHASH_H(me), p, sz); \ | |
800 | RETURN_ME; \ | |
801 | end: \ | |
802 | return (0); \ | |
803 | } | |
804 | DOUINTCONV(GHMETH_HASHBUF_) | |
805 | ||
806 | static PyObject *ghmeth_hashstrz(PyObject *me, PyObject *arg) | |
807 | { | |
808 | char *p; | |
809 | if (!PyArg_ParseTuple(arg, "s:hashstrz", &p)) return (0); | |
810 | GH_HASHSTRZ(GHASH_H(me), p); | |
811 | RETURN_ME; | |
812 | } | |
813 | ||
d7ab1bab | 814 | static PyMethodDef ghash_pymethods[] = { |
815 | #define METHNAME(name) ghmeth_##name | |
816 | METH (hash, "H.hash(M)") | |
46e6ad89 | 817 | #define METHU_(n, W, w) METH(hashu##w, "H.hashu" #w "(WORD)") |
818 | DOUINTCONV(METHU_) | |
819 | #define METHBUF_(n, W, w) METH(hashbuf##w, "H.hashbuf" #w "(BYTES)") | |
820 | DOUINTCONV(METHBUF_) | |
821 | METH (hashstrz, "H.hashstrz(STRING)") | |
d7ab1bab | 822 | METH (done, "H.done() -> HASH") |
823 | #undef METHNAME | |
824 | { 0 } | |
825 | }; | |
826 | ||
827 | static PyTypeObject gchash_pytype_skel = { | |
6d4db0bf | 828 | PyObject_HEAD_INIT(0) 0, /* Header */ |
d7ab1bab | 829 | "catacomb.GCHash", /* @tp_name@ */ |
830 | sizeof(gchash_pyobj), /* @tp_basicsize@ */ | |
831 | 0, /* @tp_itemsize@ */ | |
832 | ||
833 | 0, /* @tp_dealloc@ */ | |
834 | 0, /* @tp_print@ */ | |
835 | 0, /* @tp_getattr@ */ | |
836 | 0, /* @tp_setattr@ */ | |
837 | 0, /* @tp_compare@ */ | |
838 | 0, /* @tp_repr@ */ | |
839 | 0, /* @tp_as_number@ */ | |
840 | 0, /* @tp_as_sequence@ */ | |
841 | 0, /* @tp_as_mapping@ */ | |
842 | 0, /* @tp_hash@ */ | |
843 | 0, /* @tp_call@ */ | |
844 | 0, /* @tp_str@ */ | |
845 | 0, /* @tp_getattro@ */ | |
846 | 0, /* @tp_setattro@ */ | |
847 | 0, /* @tp_as_buffer@ */ | |
848 | Py_TPFLAGS_DEFAULT | /* @tp_flags@ */ | |
849 | Py_TPFLAGS_BASETYPE, | |
850 | ||
851 | /* @tp_doc@ */ | |
852 | "Hash function metaclass.", | |
853 | ||
854 | 0, /* @tp_traverse@ */ | |
855 | 0, /* @tp_clear@ */ | |
856 | 0, /* @tp_richcompare@ */ | |
857 | 0, /* @tp_weaklistoffset@ */ | |
858 | 0, /* @tp_iter@ */ | |
963a6148 | 859 | 0, /* @tp_iternext@ */ |
d7ab1bab | 860 | 0, /* @tp_methods@ */ |
861 | 0, /* @tp_members@ */ | |
862 | gchash_pygetset, /* @tp_getset@ */ | |
863 | 0, /* @tp_base@ */ | |
864 | 0, /* @tp_dict@ */ | |
865 | 0, /* @tp_descr_get@ */ | |
866 | 0, /* @tp_descr_set@ */ | |
867 | 0, /* @tp_dictoffset@ */ | |
868 | 0, /* @tp_init@ */ | |
869 | PyType_GenericAlloc, /* @tp_alloc@ */ | |
870 | abstract_pynew, /* @tp_new@ */ | |
3aa33042 | 871 | 0, /* @tp_free@ */ |
d7ab1bab | 872 | 0 /* @tp_is_gc@ */ |
873 | }; | |
874 | ||
875 | static PyTypeObject ghash_pytype_skel = { | |
6d4db0bf | 876 | PyObject_HEAD_INIT(0) 0, /* Header */ |
d7ab1bab | 877 | "catacomb.GHash", /* @tp_name@ */ |
878 | sizeof(ghash_pyobj), /* @tp_basicsize@ */ | |
879 | 0, /* @tp_itemsize@ */ | |
880 | ||
881 | ghash_pydealloc, /* @tp_dealloc@ */ | |
882 | 0, /* @tp_print@ */ | |
883 | 0, /* @tp_getattr@ */ | |
884 | 0, /* @tp_setattr@ */ | |
885 | 0, /* @tp_compare@ */ | |
886 | 0, /* @tp_repr@ */ | |
887 | 0, /* @tp_as_number@ */ | |
888 | 0, /* @tp_as_sequence@ */ | |
889 | 0, /* @tp_as_mapping@ */ | |
890 | 0, /* @tp_hash@ */ | |
891 | 0, /* @tp_call@ */ | |
892 | 0, /* @tp_str@ */ | |
893 | 0, /* @tp_getattro@ */ | |
894 | 0, /* @tp_setattro@ */ | |
895 | 0, /* @tp_as_buffer@ */ | |
896 | Py_TPFLAGS_DEFAULT | /* @tp_flags@ */ | |
897 | Py_TPFLAGS_BASETYPE, | |
898 | ||
899 | /* @tp_doc@ */ | |
900 | "Hash function, abstract base class.", | |
901 | ||
902 | 0, /* @tp_traverse@ */ | |
903 | 0, /* @tp_clear@ */ | |
904 | 0, /* @tp_richcompare@ */ | |
905 | 0, /* @tp_weaklistoffset@ */ | |
906 | 0, /* @tp_iter@ */ | |
963a6148 | 907 | 0, /* @tp_iternext@ */ |
d7ab1bab | 908 | ghash_pymethods, /* @tp_methods@ */ |
909 | 0, /* @tp_members@ */ | |
910 | 0, /* @tp_getset@ */ | |
911 | 0, /* @tp_base@ */ | |
912 | 0, /* @tp_dict@ */ | |
913 | 0, /* @tp_descr_get@ */ | |
914 | 0, /* @tp_descr_set@ */ | |
915 | 0, /* @tp_dictoffset@ */ | |
916 | 0, /* @tp_init@ */ | |
917 | PyType_GenericAlloc, /* @tp_alloc@ */ | |
918 | abstract_pynew, /* @tp_new@ */ | |
3aa33042 | 919 | 0, /* @tp_free@ */ |
d7ab1bab | 920 | 0 /* @tp_is_gc@ */ |
921 | }; | |
922 | ||
923 | /*----- Message authentication --------------------------------------------*/ | |
924 | ||
925 | PyTypeObject *gcmac_pytype, *gmac_pytype, *gmhash_pytype; | |
926 | ||
927 | CONVFUNC(gcmac, gcmac *, GCMAC_CM) | |
928 | CONVFUNC(gmac, gmac *, GMAC_M) | |
929 | CONVFUNC(gmhash, ghash *, GHASH_H) | |
930 | ||
931 | static PyObject *gmac_pynew(PyTypeObject *ty, PyObject *arg, PyObject *kw) | |
932 | { | |
933 | char *kwlist[] = { "k", 0 }; | |
934 | char *k; | |
935 | int sz; | |
936 | ||
937 | if (!PyArg_ParseTupleAndKeywords(arg, kw, "s#:new", kwlist, &k, &sz)) | |
938 | goto end; | |
939 | if (keysz(sz, GCMAC_CM(ty)->keysz) != sz) VALERR("bad key length"); | |
940 | return (gmac_pywrap((PyObject *)ty, | |
941 | GM_KEY(GCMAC_CM(ty), k, sz), | |
942 | f_freeme)); | |
943 | end: | |
944 | return (0); | |
945 | } | |
946 | ||
947 | static PyObject *gmhash_pynew(PyTypeObject *ty, PyObject *arg, PyObject *kw) | |
948 | { | |
949 | char *kwlist[] = { 0 }; | |
950 | ghash_pyobj *g; | |
951 | ||
952 | if (!PyArg_ParseTupleAndKeywords(arg, kw, ":new", kwlist)) return (0); | |
953 | g = PyObject_NEW(ghash_pyobj, ty); | |
954 | g->h = GM_INIT(GMAC_M(ty)); | |
955 | g->f = f_freeme; | |
956 | Py_INCREF(ty); | |
957 | return ((PyObject *)g); | |
958 | } | |
959 | ||
960 | PyObject *gcmac_pywrap(gcmac *cm) | |
961 | { | |
df9f8366 | 962 | gcmac_pyobj *g = newtype(gcmac_pytype, 0, cm->name); |
d7ab1bab | 963 | g->cm = cm; |
df9f8366 | 964 | g->ty.type.tp_basicsize = sizeof(gmac_pyobj); |
965 | g->ty.type.tp_base = gmac_pytype; | |
d7ab1bab | 966 | Py_INCREF(gmac_pytype); |
df9f8366 | 967 | g->ty.type.tp_flags = (Py_TPFLAGS_DEFAULT | |
d7ab1bab | 968 | Py_TPFLAGS_BASETYPE | |
969 | Py_TPFLAGS_HEAPTYPE); | |
df9f8366 | 970 | g->ty.type.tp_alloc = PyType_GenericAlloc; |
971 | g->ty.type.tp_free = 0; | |
972 | g->ty.type.tp_new = gmac_pynew; | |
973 | PyType_Ready(&g->ty.type); | |
d7ab1bab | 974 | return ((PyObject *)g); |
975 | } | |
976 | ||
977 | PyObject *gmac_pywrap(PyObject *cobj, gmac *m, unsigned f) | |
978 | { | |
979 | gmac_pyobj *g; | |
980 | if (!cobj) cobj = gcmac_pywrap((/*unconst*/ gcmac *)GM_CLASS(m)); | |
981 | else Py_INCREF(cobj); | |
df9f8366 | 982 | g = newtype((PyTypeObject *)cobj, 0, 0); |
983 | g->ty.name = PyString_FromFormat("%s(keyed)", m->ops->c->name); | |
984 | g->ty.type.tp_name = PyString_AS_STRING(g->ty.name); | |
985 | g->ty.type.tp_base = gmhash_pytype; | |
d7ab1bab | 986 | Py_INCREF(gmac_pytype); |
df9f8366 | 987 | g->ty.type.tp_flags = (Py_TPFLAGS_DEFAULT | |
988 | Py_TPFLAGS_BASETYPE | | |
989 | Py_TPFLAGS_HEAPTYPE); | |
990 | g->ty.type.tp_alloc = PyType_GenericAlloc; | |
991 | g->ty.type.tp_free = 0; | |
992 | g->ty.type.tp_new = gmhash_pynew; | |
993 | PyType_Ready(&g->ty.type); | |
d7ab1bab | 994 | g->m = m; |
995 | g->f = f; | |
996 | return ((PyObject *)g); | |
997 | } | |
998 | ||
999 | static void gmac_pydealloc(PyObject *me) | |
1000 | { | |
1001 | if (GMAC_F(me) & f_freeme) | |
1002 | GM_DESTROY(GMAC_M(me)); | |
1003 | Py_DECREF(me->ob_type); | |
d7ab1bab | 1004 | PyType_Type.tp_dealloc(me); |
1005 | } | |
1006 | ||
1007 | static PyObject *gcmget_name(PyObject *me, void *hunoz) | |
1008 | { return (PyString_FromString(GCMAC_CM(me)->name)); } | |
1009 | ||
1010 | static PyObject *gcmget_keysz(PyObject *me, void *hunoz) | |
1011 | { return (keysz_pywrap(GCMAC_CM(me)->keysz)); } | |
1012 | ||
1013 | static PyObject *gcmget_tagsz(PyObject *me, void *hunoz) | |
1014 | { return (PyInt_FromLong(GCMAC_CM(me)->hashsz)); } | |
1015 | ||
1016 | static PyGetSetDef gcmac_pygetset[] = { | |
1017 | #define GETSETNAME(op, name) gcm##op##_##name | |
1018 | GET (keysz, "CM.keysz -> acceptable key sizes") | |
1019 | GET (tagsz, "CM.tagsz -> MAC output size") | |
1020 | GET (name, "CM.name -> name of this kind of MAC") | |
1021 | #undef GETSETNAME | |
1022 | { 0 } | |
1023 | }; | |
1024 | ||
1025 | static PyTypeObject gcmac_pytype_skel = { | |
6d4db0bf | 1026 | PyObject_HEAD_INIT(0) 0, /* Header */ |
d7ab1bab | 1027 | "catacomb.GCMAC", /* @tp_name@ */ |
1028 | sizeof(gchash_pyobj), /* @tp_basicsize@ */ | |
1029 | 0, /* @tp_itemsize@ */ | |
1030 | ||
1031 | 0, /* @tp_dealloc@ */ | |
1032 | 0, /* @tp_print@ */ | |
1033 | 0, /* @tp_getattr@ */ | |
1034 | 0, /* @tp_setattr@ */ | |
1035 | 0, /* @tp_compare@ */ | |
1036 | 0, /* @tp_repr@ */ | |
1037 | 0, /* @tp_as_number@ */ | |
1038 | 0, /* @tp_as_sequence@ */ | |
1039 | 0, /* @tp_as_mapping@ */ | |
1040 | 0, /* @tp_hash@ */ | |
1041 | 0, /* @tp_call@ */ | |
1042 | 0, /* @tp_str@ */ | |
1043 | 0, /* @tp_getattro@ */ | |
1044 | 0, /* @tp_setattro@ */ | |
1045 | 0, /* @tp_as_buffer@ */ | |
1046 | Py_TPFLAGS_DEFAULT | /* @tp_flags@ */ | |
1047 | Py_TPFLAGS_BASETYPE, | |
1048 | ||
1049 | /* @tp_doc@ */ | |
1050 | "Message authentication code metametaclass.", | |
1051 | ||
1052 | 0, /* @tp_traverse@ */ | |
1053 | 0, /* @tp_clear@ */ | |
1054 | 0, /* @tp_richcompare@ */ | |
1055 | 0, /* @tp_weaklistoffset@ */ | |
1056 | 0, /* @tp_iter@ */ | |
963a6148 | 1057 | 0, /* @tp_iternext@ */ |
d7ab1bab | 1058 | 0, /* @tp_methods@ */ |
1059 | 0, /* @tp_members@ */ | |
1060 | gcmac_pygetset, /* @tp_getset@ */ | |
1061 | 0, /* @tp_base@ */ | |
1062 | 0, /* @tp_dict@ */ | |
1063 | 0, /* @tp_descr_get@ */ | |
1064 | 0, /* @tp_descr_set@ */ | |
1065 | 0, /* @tp_dictoffset@ */ | |
1066 | 0, /* @tp_init@ */ | |
1067 | PyType_GenericAlloc, /* @tp_alloc@ */ | |
1068 | abstract_pynew, /* @tp_new@ */ | |
3aa33042 | 1069 | 0, /* @tp_free@ */ |
d7ab1bab | 1070 | 0 /* @tp_is_gc@ */ |
1071 | }; | |
1072 | ||
1073 | static PyTypeObject gmac_pytype_skel = { | |
6d4db0bf | 1074 | PyObject_HEAD_INIT(0) 0, /* Header */ |
d7ab1bab | 1075 | "catacomb.GMAC", /* @tp_name@ */ |
1076 | sizeof(gmac_pyobj), /* @tp_basicsize@ */ | |
1077 | 0, /* @tp_itemsize@ */ | |
1078 | ||
1079 | gmac_pydealloc, /* @tp_dealloc@ */ | |
1080 | 0, /* @tp_print@ */ | |
1081 | 0, /* @tp_getattr@ */ | |
1082 | 0, /* @tp_setattr@ */ | |
1083 | 0, /* @tp_compare@ */ | |
1084 | 0, /* @tp_repr@ */ | |
1085 | 0, /* @tp_as_number@ */ | |
1086 | 0, /* @tp_as_sequence@ */ | |
1087 | 0, /* @tp_as_mapping@ */ | |
1088 | 0, /* @tp_hash@ */ | |
1089 | 0, /* @tp_call@ */ | |
1090 | 0, /* @tp_str@ */ | |
1091 | 0, /* @tp_getattro@ */ | |
1092 | 0, /* @tp_setattro@ */ | |
1093 | 0, /* @tp_as_buffer@ */ | |
1094 | Py_TPFLAGS_DEFAULT | /* @tp_flags@ */ | |
1095 | Py_TPFLAGS_BASETYPE, | |
1096 | ||
1097 | /* @tp_doc@ */ | |
1098 | "Message authentication code metaclass, abstract base class.", | |
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 | abstract_pynew, /* @tp_new@ */ | |
3aa33042 | 1117 | 0, /* @tp_free@ */ |
d7ab1bab | 1118 | 0 /* @tp_is_gc@ */ |
1119 | }; | |
1120 | ||
1121 | static PyTypeObject gmhash_pytype_skel = { | |
6d4db0bf | 1122 | PyObject_HEAD_INIT(0) 0, /* Header */ |
d7ab1bab | 1123 | "catacomb.GMACHash", /* @tp_name@ */ |
1124 | sizeof(ghash_pyobj), /* @tp_basicsize@ */ | |
1125 | 0, /* @tp_itemsize@ */ | |
1126 | ||
1127 | ghash_pydealloc, /* @tp_dealloc@ */ | |
1128 | 0, /* @tp_print@ */ | |
1129 | 0, /* @tp_getattr@ */ | |
1130 | 0, /* @tp_setattr@ */ | |
1131 | 0, /* @tp_compare@ */ | |
1132 | 0, /* @tp_repr@ */ | |
1133 | 0, /* @tp_as_number@ */ | |
1134 | 0, /* @tp_as_sequence@ */ | |
1135 | 0, /* @tp_as_mapping@ */ | |
1136 | 0, /* @tp_hash@ */ | |
1137 | 0, /* @tp_call@ */ | |
1138 | 0, /* @tp_str@ */ | |
1139 | 0, /* @tp_getattro@ */ | |
1140 | 0, /* @tp_setattro@ */ | |
1141 | 0, /* @tp_as_buffer@ */ | |
1142 | Py_TPFLAGS_DEFAULT | /* @tp_flags@ */ | |
1143 | Py_TPFLAGS_BASETYPE, | |
1144 | ||
1145 | /* @tp_doc@ */ | |
1146 | "Message authentication code, abstract base class.", | |
1147 | ||
1148 | 0, /* @tp_traverse@ */ | |
1149 | 0, /* @tp_clear@ */ | |
1150 | 0, /* @tp_richcompare@ */ | |
1151 | 0, /* @tp_weaklistoffset@ */ | |
1152 | 0, /* @tp_iter@ */ | |
963a6148 | 1153 | 0, /* @tp_iternext@ */ |
d7ab1bab | 1154 | 0, /* @tp_methods@ */ |
1155 | 0, /* @tp_members@ */ | |
1156 | 0, /* @tp_getset@ */ | |
1157 | 0, /* @tp_base@ */ | |
1158 | 0, /* @tp_dict@ */ | |
1159 | 0, /* @tp_descr_get@ */ | |
1160 | 0, /* @tp_descr_set@ */ | |
1161 | 0, /* @tp_dictoffset@ */ | |
1162 | 0, /* @tp_init@ */ | |
1163 | PyType_GenericAlloc, /* @tp_alloc@ */ | |
1164 | abstract_pynew, /* @tp_new@ */ | |
3aa33042 | 1165 | 0, /* @tp_free@ */ |
d7ab1bab | 1166 | 0 /* @tp_is_gc@ */ |
1167 | }; | |
1168 | ||
03ed9abb MW |
1169 | /*----- Pseudorandom permutations -----------------------------------------*/ |
1170 | ||
1171 | static PyTypeObject *gcprp_pytype, *gprp_pytype; | |
1172 | ||
1173 | typedef struct prpinfo { | |
1174 | const char *name; | |
1175 | const octet *keysz; | |
1176 | size_t ctxsz; | |
1177 | size_t blksz; | |
1178 | void (*init)(void *, const void *, size_t); | |
1179 | void (*eblk)(void *, const void *, void *); | |
1180 | void (*dblk)(void *, const void *, void *); | |
1181 | } prpinfo; | |
1182 | ||
1183 | #define PRP_DEF(PRE, pre) \ | |
1184 | static void pre##_prpinit(void *ctx, const void *k, size_t ksz) \ | |
1185 | { pre##_init(ctx, k, ksz); } \ | |
1186 | static void pre##_prpeblk(void *ctx, const void *in, void *out) \ | |
1187 | { \ | |
1188 | uint32 w[PRE##_BLKSZ/4]; BLKC_LOAD(PRE, w, in); \ | |
1189 | pre##_eblk(ctx, w, w); BLKC_STORE(PRE, out, w); \ | |
1190 | } \ | |
1191 | static void pre##_prpdblk(void *ctx, const void *in, void *out) \ | |
1192 | { \ | |
1193 | uint32 w[PRE##_BLKSZ/4]; BLKC_LOAD(PRE, w, in); \ | |
1194 | pre##_dblk(ctx, w, w); BLKC_STORE(PRE, out, w); \ | |
1195 | } \ | |
1196 | static const prpinfo pre##_prpinfo = { \ | |
1197 | #pre, pre##_keysz, sizeof(pre##_ctx), PRE##_BLKSZ, \ | |
1198 | pre##_prpinit, pre##_prpeblk, pre##_prpdblk \ | |
1199 | }; | |
1200 | PRPS(PRP_DEF) | |
1201 | ||
1202 | static const struct prpinfo *const gprptab[] = { | |
1203 | #define PRP_ENTRY(PRE, pre) &pre##_prpinfo, | |
1204 | PRPS(PRP_ENTRY) | |
1205 | 0 | |
1206 | }; | |
1207 | ||
1208 | typedef struct gcprp_pyobj { | |
1209 | PyHeapTypeObject ty; | |
1210 | const prpinfo *prp; | |
1211 | } gcprp_pyobj; | |
1212 | #define GCPRP_PRP(o) (((gcprp_pyobj *)(o))->prp) | |
1213 | ||
1214 | typedef struct gprp_pyobj { | |
1215 | PyObject_HEAD | |
1216 | const prpinfo *prp; | |
1217 | } gprp_pyobj; | |
1218 | #define GPRP_PRP(o) (((gprp_pyobj *)(o))->prp) | |
1219 | #define GPRP_CTX(o) (((gprp_pyobj *)(o)) + 1) | |
1220 | ||
1221 | typedef struct prp { | |
1222 | const prpinfo *prp; | |
1223 | void *ctx; | |
1224 | } prp; | |
1225 | ||
1226 | static PyObject *gprp_pynew(PyTypeObject *ty, PyObject *arg, PyObject *kw) | |
1227 | { | |
1228 | char *kwlist[] = { "key", 0 }; | |
1229 | char *k; | |
1230 | int sz; | |
1231 | const prpinfo *prp = GCPRP_PRP(ty); | |
1232 | PyObject *me; | |
1233 | ||
1234 | if (!PyArg_ParseTupleAndKeywords(arg, kw, "s#:new", kwlist, &k, &sz)) | |
1235 | goto end; | |
1236 | if (keysz(sz, prp->keysz) != sz) VALERR("bad key length"); | |
1237 | me = (PyObject *)ty->tp_alloc(ty, 0); | |
1238 | GPRP_PRP(me) = prp; | |
1239 | prp->init(GPRP_CTX(me), k, sz); | |
1240 | Py_INCREF(me); | |
1241 | return (me); | |
1242 | end: | |
1243 | return (0); | |
1244 | } | |
1245 | ||
1246 | static void gprp_pydealloc(PyObject *me) | |
1247 | { Py_DECREF(me->ob_type); FREEOBJ(me); } | |
1248 | ||
1249 | static PyObject *gcprp_pywrap(const prpinfo *prp) | |
1250 | { | |
1251 | gcprp_pyobj *g = newtype(gcprp_pytype, 0, prp->name); | |
1252 | g->prp = prp; | |
1253 | g->ty.type.tp_basicsize = sizeof(gprp_pyobj) + prp->ctxsz; | |
1254 | g->ty.type.tp_base = gprp_pytype; | |
1255 | Py_INCREF(gprp_pytype); | |
1256 | g->ty.type.tp_flags = (Py_TPFLAGS_DEFAULT | | |
1257 | Py_TPFLAGS_BASETYPE | | |
1258 | Py_TPFLAGS_HEAPTYPE); | |
1259 | g->ty.type.tp_alloc = PyType_GenericAlloc; | |
1260 | g->ty.type.tp_free = 0; | |
1261 | g->ty.type.tp_new = gprp_pynew; | |
1262 | PyType_Ready(&g->ty.type); | |
1263 | return ((PyObject *)g); | |
1264 | } | |
1265 | ||
1266 | static PyObject *gcpget_name(PyObject *me, void *hunoz) | |
1267 | { return (PyString_FromString(GCPRP_PRP(me)->name)); } | |
1268 | static PyObject *gcpget_keysz(PyObject *me, void *hunoz) | |
1269 | { return (keysz_pywrap(GCPRP_PRP(me)->keysz)); } | |
1270 | static PyObject *gcpget_blksz(PyObject *me, void *hunoz) | |
1271 | { return (PyInt_FromLong(GCPRP_PRP(me)->blksz)); } | |
1272 | ||
1273 | static PyObject *gpmeth_encrypt(PyObject *me, PyObject *arg) | |
1274 | { | |
1275 | char *p; | |
1276 | int n; | |
1277 | PyObject *rc = 0; | |
1278 | ||
1279 | if (!PyArg_ParseTuple(arg, "s#:encrypt", &p, &n)) goto end; | |
1280 | if (n != GPRP_PRP(me)->blksz) VALERR("incorrect block length"); | |
1281 | rc = bytestring_pywrap(0, n); | |
1282 | GPRP_PRP(me)->eblk(GPRP_CTX(me), p, PyString_AS_STRING(rc)); | |
1283 | end: | |
1284 | return (rc); | |
1285 | } | |
1286 | ||
1287 | static PyObject *gpmeth_decrypt(PyObject *me, PyObject *arg) | |
1288 | { | |
1289 | char *p; | |
1290 | int n; | |
1291 | PyObject *rc = 0; | |
1292 | ||
1293 | if (!PyArg_ParseTuple(arg, "s#:decrypt", &p, &n)) goto end; | |
1294 | if (n != GPRP_PRP(me)->blksz) VALERR("incorrect block length"); | |
1295 | rc = bytestring_pywrap(0, n); | |
1296 | GPRP_PRP(me)->dblk(GPRP_CTX(me), p, PyString_AS_STRING(rc)); | |
1297 | end: | |
1298 | return (rc); | |
1299 | } | |
1300 | ||
1301 | static PyGetSetDef gcprp_pygetset[] = { | |
1302 | #define GETSETNAME(op, name) gcp##op##_##name | |
1303 | GET (keysz, "CP.keysz -> acceptable key sizes") | |
1304 | GET (blksz, "CP.blksz -> block size") | |
1305 | GET (name, "CP.name -> name of this kind of PRP") | |
1306 | #undef GETSETNAME | |
1307 | { 0 } | |
1308 | }; | |
1309 | ||
1310 | static PyMethodDef gprp_pymethods[] = { | |
1311 | #define METHNAME(name) gpmeth_##name | |
1312 | METH (encrypt, "P.encrypt(PT) -> CT") | |
1313 | METH (decrypt, "P.decrypt(CT) -> PT") | |
1314 | #undef METHNAME | |
1315 | { 0 } | |
1316 | }; | |
1317 | ||
1318 | static PyTypeObject gcprp_pytype_skel = { | |
1319 | PyObject_HEAD_INIT(0) 0, /* Header */ | |
1320 | "catacomb.GCPRP", /* @tp_name@ */ | |
1321 | sizeof(gcprp_pyobj), /* @tp_basicsize@ */ | |
1322 | 0, /* @tp_itemsize@ */ | |
1323 | ||
1324 | 0, /* @tp_dealloc@ */ | |
1325 | 0, /* @tp_print@ */ | |
1326 | 0, /* @tp_getattr@ */ | |
1327 | 0, /* @tp_setattr@ */ | |
1328 | 0, /* @tp_compare@ */ | |
1329 | 0, /* @tp_repr@ */ | |
1330 | 0, /* @tp_as_number@ */ | |
1331 | 0, /* @tp_as_sequence@ */ | |
1332 | 0, /* @tp_as_mapping@ */ | |
1333 | 0, /* @tp_hash@ */ | |
1334 | 0, /* @tp_call@ */ | |
1335 | 0, /* @tp_str@ */ | |
1336 | 0, /* @tp_getattro@ */ | |
1337 | 0, /* @tp_setattro@ */ | |
1338 | 0, /* @tp_as_buffer@ */ | |
1339 | Py_TPFLAGS_DEFAULT | /* @tp_flags@ */ | |
1340 | Py_TPFLAGS_BASETYPE, | |
1341 | ||
1342 | /* @tp_doc@ */ | |
1343 | "Pseudorandom permutation metaclass.", | |
1344 | ||
1345 | 0, /* @tp_traverse@ */ | |
1346 | 0, /* @tp_clear@ */ | |
1347 | 0, /* @tp_richcompare@ */ | |
1348 | 0, /* @tp_weaklistoffset@ */ | |
1349 | 0, /* @tp_iter@ */ | |
1350 | 0, /* @tp_iternext@ */ | |
1351 | 0, /* @tp_methods@ */ | |
1352 | 0, /* @tp_members@ */ | |
1353 | gcprp_pygetset, /* @tp_getset@ */ | |
1354 | 0, /* @tp_base@ */ | |
1355 | 0, /* @tp_dict@ */ | |
1356 | 0, /* @tp_descr_get@ */ | |
1357 | 0, /* @tp_descr_set@ */ | |
1358 | 0, /* @tp_dictoffset@ */ | |
1359 | 0, /* @tp_init@ */ | |
1360 | PyType_GenericAlloc, /* @tp_alloc@ */ | |
1361 | abstract_pynew, /* @tp_new@ */ | |
1362 | 0, /* @tp_free@ */ | |
1363 | 0 /* @tp_is_gc@ */ | |
1364 | }; | |
1365 | ||
1366 | static PyTypeObject gprp_pytype_skel = { | |
1367 | PyObject_HEAD_INIT(0) 0, /* Header */ | |
1368 | "catacomb.GPRP", /* @tp_name@ */ | |
1369 | sizeof(gprp_pyobj), /* @tp_basicsize@ */ | |
1370 | 0, /* @tp_itemsize@ */ | |
1371 | ||
1372 | gprp_pydealloc, /* @tp_dealloc@ */ | |
1373 | 0, /* @tp_print@ */ | |
1374 | 0, /* @tp_getattr@ */ | |
1375 | 0, /* @tp_setattr@ */ | |
1376 | 0, /* @tp_compare@ */ | |
1377 | 0, /* @tp_repr@ */ | |
1378 | 0, /* @tp_as_number@ */ | |
1379 | 0, /* @tp_as_sequence@ */ | |
1380 | 0, /* @tp_as_mapping@ */ | |
1381 | 0, /* @tp_hash@ */ | |
1382 | 0, /* @tp_call@ */ | |
1383 | 0, /* @tp_str@ */ | |
1384 | 0, /* @tp_getattro@ */ | |
1385 | 0, /* @tp_setattro@ */ | |
1386 | 0, /* @tp_as_buffer@ */ | |
1387 | Py_TPFLAGS_DEFAULT | /* @tp_flags@ */ | |
1388 | Py_TPFLAGS_BASETYPE, | |
1389 | ||
1390 | /* @tp_doc@ */ | |
1391 | "Pseudorandom permutation, abstract base class.", | |
1392 | ||
1393 | 0, /* @tp_traverse@ */ | |
1394 | 0, /* @tp_clear@ */ | |
1395 | 0, /* @tp_richcompare@ */ | |
1396 | 0, /* @tp_weaklistoffset@ */ | |
1397 | 0, /* @tp_iter@ */ | |
1398 | 0, /* @tp_iternext@ */ | |
1399 | gprp_pymethods, /* @tp_methods@ */ | |
1400 | 0, /* @tp_members@ */ | |
1401 | 0, /* @tp_getset@ */ | |
1402 | 0, /* @tp_base@ */ | |
1403 | 0, /* @tp_dict@ */ | |
1404 | 0, /* @tp_descr_get@ */ | |
1405 | 0, /* @tp_descr_set@ */ | |
1406 | 0, /* @tp_dictoffset@ */ | |
1407 | 0, /* @tp_init@ */ | |
1408 | PyType_GenericAlloc, /* @tp_alloc@ */ | |
1409 | abstract_pynew, /* @tp_new@ */ | |
1410 | 0, /* @tp_free@ */ | |
1411 | 0 /* @tp_is_gc@ */ | |
1412 | }; | |
1413 | ||
d7ab1bab | 1414 | /*----- Main code ---------------------------------------------------------*/ |
1415 | ||
1416 | void algorithms_pyinit(void) | |
1417 | { | |
1418 | INITTYPE(keysz, root); | |
1419 | INITTYPE(keyszany, keysz); | |
1420 | INITTYPE(keyszrange, keysz); | |
1421 | INITTYPE(keyszset, keysz); | |
1422 | INITTYPE(gccipher, type); | |
1423 | INITTYPE(gcipher, root); | |
1424 | INITTYPE(gchash, type); | |
1425 | INITTYPE(ghash, root); | |
1426 | INITTYPE(gcmac, type); | |
1427 | INITTYPE(gmac, type); | |
1428 | INITTYPE(gmhash, ghash); | |
03ed9abb MW |
1429 | INITTYPE(gcprp, type); |
1430 | INITTYPE(gprp, root); | |
d7ab1bab | 1431 | } |
1432 | ||
d7ab1bab | 1433 | GEN(gcciphers, cipher) |
1434 | GEN(gchashes, hash) | |
1435 | GEN(gcmacs, mac) | |
03ed9abb MW |
1436 | #define gcprp prpinfo |
1437 | GEN(gcprps, prp) | |
d7ab1bab | 1438 | |
1439 | void algorithms_pyinsert(PyObject *mod) | |
1440 | { | |
1441 | PyObject *d; | |
1442 | INSERT("KeySZ", keysz_pytype); | |
1443 | INSERT("KeySZAny", keyszany_pytype); | |
1444 | INSERT("KeySZRange", keyszrange_pytype); | |
1445 | INSERT("KeySZSet", keyszset_pytype); | |
1446 | INSERT("GCCipher", gccipher_pytype); | |
1447 | INSERT("GCipher", gcipher_pytype); | |
1448 | INSERT("gcciphers", gcciphers()); | |
1449 | INSERT("GCHash", gchash_pytype); | |
1450 | INSERT("GHash", ghash_pytype); | |
1451 | INSERT("gchashes", d = gchashes()); | |
1452 | sha_pyobj = PyDict_GetItemString(d, "sha"); Py_INCREF(sha_pyobj); | |
1453 | has160_pyobj = PyDict_GetItemString(d, "has160"); Py_INCREF(has160_pyobj); | |
1454 | INSERT("GCMAC", gcmac_pytype); | |
1455 | INSERT("GMAC", gmac_pytype); | |
1456 | INSERT("GMACHash", gmhash_pytype); | |
1457 | INSERT("gcmacs", gcmacs()); | |
03ed9abb MW |
1458 | INSERT("GCPRP", gcprp_pytype); |
1459 | INSERT("GPRP", gprp_pytype); | |
1460 | INSERT("gcprps", gcprps()); | |
d7ab1bab | 1461 | } |
1462 | ||
1463 | /*----- That's all, folks -------------------------------------------------*/ |