Commit | Line | Data |
---|---|---|
d7ab1bab | 1 | /* -*-c-*- |
2 | * | |
d7ab1bab | 3 | * Symmetric cryptography |
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" | |
30 | #include "algorithms.h" | |
31 | ||
32 | /*----- Key sizes ---------------------------------------------------------*/ | |
33 | ||
34 | PyTypeObject *keysz_pytype; | |
35 | PyTypeObject *keyszany_pytype, *keyszrange_pytype, *keyszset_pytype; | |
36 | PyObject *sha_pyobj, *has160_pyobj; | |
37 | ||
38 | PyObject *keysz_pywrap(const octet *k) | |
39 | { | |
40 | switch (k[0]) { | |
41 | case KSZ_ANY: { | |
42 | keysz_pyobj *o = PyObject_New(keysz_pyobj, keyszany_pytype); | |
43 | o->dfl = k[1]; | |
44 | return ((PyObject *)o); | |
45 | } break; | |
46 | case KSZ_RANGE: { | |
47 | keyszrange_pyobj *o = | |
b2687a0a | 48 | PyObject_New(keyszrange_pyobj, keyszrange_pytype); |
d7ab1bab | 49 | o->dfl = k[1]; |
50 | o->min = k[2]; | |
51 | o->max = k[3]; | |
52 | o->mod = k[4]; | |
53 | if (!o->mod) o->mod = 1; | |
54 | return ((PyObject *)o); | |
55 | } break; | |
56 | case KSZ_SET: { | |
57 | keyszset_pyobj *o = | |
b2687a0a | 58 | PyObject_New(keyszset_pyobj, keyszset_pytype); |
d7ab1bab | 59 | int i, n; |
60 | o->dfl = k[1]; | |
61 | for (i = 0; k[i + 1]; i++) ; | |
62 | n = i; o->set = PyTuple_New(n); | |
63 | for (i = 0; i < n; i++) | |
64 | PyTuple_SET_ITEM(o->set, i, PyInt_FromLong(k[i + 1])); | |
65 | return ((PyObject *)o); | |
66 | } break; | |
67 | default: | |
68 | abort(); | |
69 | } | |
70 | } | |
71 | ||
72 | static PyObject *keyszany_pynew(PyTypeObject *ty, | |
73 | PyObject *arg, PyObject *kw) | |
74 | { | |
75 | char *kwlist[] = { "default", 0 }; | |
76 | int dfl; | |
77 | keysz_pyobj *o; | |
78 | ||
79 | if (!PyArg_ParseTupleAndKeywords(arg, kw, "i:new", kwlist, &dfl)) | |
80 | goto end; | |
81 | if (dfl < 0) VALERR("key size cannot be negative"); | |
82 | o = (keysz_pyobj *)ty->tp_alloc(ty, 0); | |
83 | o->dfl = dfl; | |
84 | return ((PyObject *)o); | |
85 | end: | |
86 | return (0); | |
87 | } | |
88 | ||
89 | static PyObject *keyszrange_pynew(PyTypeObject *ty, | |
90 | PyObject *arg, PyObject *kw) | |
91 | { | |
92 | char *kwlist[] = { "default", "min", "max", "mod", 0 }; | |
93 | int dfl, min = 0, max = 0, mod = 1; | |
94 | keyszrange_pyobj *o; | |
95 | ||
96 | if (!PyArg_ParseTupleAndKeywords(arg, kw, "i|iii:new", kwlist, | |
97 | &dfl, &min, &max, &mod)) | |
98 | goto end; | |
99 | if (dfl < 0 || min < 0 || max < 0) | |
100 | VALERR("key size cannot be negative"); | |
101 | if (min > dfl || (max && dfl > max)) | |
102 | VALERR("bad key size bounds"); | |
103 | if (mod <= 0 || dfl % mod || min % mod || max % mod) | |
104 | VALERR("bad key size modulus"); | |
105 | o = (keyszrange_pyobj *)ty->tp_alloc(ty, 0); | |
106 | o->dfl = dfl; | |
107 | o->min = min; | |
108 | o->max = max; | |
109 | o->mod = mod; | |
110 | return ((PyObject *)o); | |
111 | end: | |
112 | return (0); | |
113 | } | |
114 | ||
115 | static PyObject *keyszset_pynew(PyTypeObject *ty, | |
116 | PyObject *arg, PyObject *kw) | |
117 | { | |
118 | char *kwlist[] = { "default", "set", 0 }; | |
119 | int dfl, i, n, xx; | |
120 | PyObject *set = 0; | |
121 | PyObject *x = 0, *l = 0; | |
122 | keyszset_pyobj *o = 0; | |
123 | ||
124 | if (!PyArg_ParseTupleAndKeywords(arg, kw, "i|O:new", kwlist, | |
125 | &dfl, &set)) | |
126 | goto end; | |
127 | if (!set) set = PyTuple_New(0); | |
128 | else Py_INCREF(set); | |
129 | if (!PySequence_Check(set)) TYERR("want a sequence"); | |
130 | n = PySequence_Size(set); | |
131 | l = PyList_New(0); | |
132 | if (PyErr_Occurred()) goto end; | |
133 | if (dfl < 0) VALERR("key size cannot be negative"); | |
134 | x = PyInt_FromLong(dfl); | |
135 | PyList_Append(l, x); | |
136 | Py_DECREF(x); | |
137 | x = 0; | |
138 | for (i = 0; i < n; i++) { | |
139 | if ((x = PySequence_GetItem(set, i)) == 0) goto end; | |
140 | xx = PyInt_AsLong(x); | |
141 | if (PyErr_Occurred()) goto end; | |
142 | if (xx == dfl) continue; | |
143 | if (xx < 0) VALERR("key size cannot be negative"); | |
144 | PyList_Append(l, x); | |
145 | Py_DECREF(x); | |
b2687a0a | 146 | x = 0; |
d7ab1bab | 147 | } |
148 | Py_DECREF(set); | |
149 | if ((set = PySequence_Tuple(l)) == 0) goto end; | |
150 | o = (keyszset_pyobj *)ty->tp_alloc(ty, 0); | |
151 | o->dfl = dfl; | |
152 | o->set = set; | |
153 | Py_INCREF(set); | |
154 | end: | |
155 | Py_XDECREF(set); | |
156 | Py_XDECREF(l); | |
157 | Py_XDECREF(x); | |
158 | return ((PyObject *)o); | |
159 | } | |
160 | ||
161 | static PyObject *kaget_min(PyObject *me, void *hunoz) | |
162 | { return (PyInt_FromLong(0)); } | |
163 | #define kaget_max kaget_min | |
164 | ||
165 | static PyObject *ksget_min(PyObject *me, void *hunoz) | |
166 | { | |
167 | PyObject *set = ((keyszset_pyobj *)me)->set; | |
168 | int i, n, y, x = -1; | |
169 | n = PyTuple_Size(set); | |
170 | for (i = 0; i < n; i++) { | |
171 | y = PyInt_AsLong(PyTuple_GetItem(set, i)); | |
172 | if (x == -1 || y < x) x = y; | |
173 | } | |
174 | return (PyInt_FromLong(x)); | |
175 | } | |
176 | ||
177 | static PyObject *ksget_max(PyObject *me, void *hunoz) | |
178 | { | |
179 | PyObject *set = ((keyszset_pyobj *)me)->set; | |
180 | int i, n, y, x = -1; | |
181 | n = PyTuple_Size(set); | |
182 | for (i = 0; i < n; i++) { | |
183 | y = PyInt_AsLong(PyTuple_GetItem(set, i)); | |
184 | if (y > x) x = y; | |
185 | } | |
186 | return (PyInt_FromLong(x)); | |
187 | } | |
188 | ||
189 | static PyMemberDef keysz_pymembers[] = { | |
190 | #define MEMBERSTRUCT keysz_pyobj | |
191 | #define default dfl /* ugh! */ | |
192 | MEMBER(default, T_INT, READONLY, "KSZ.default -> default key size") | |
193 | #undef default | |
194 | #undef MEMBERSTRUCT | |
195 | { 0 } | |
196 | }; | |
197 | ||
198 | static PyGetSetDef keyszany_pygetset[] = { | |
199 | #define GETSETNAME(op, name) ka##op##_##name | |
200 | GET (min, "KSZ.min -> smallest allowed key size") | |
201 | GET (max, "KSZ.min -> largest allowed key size") | |
202 | #undef GETSETNAME | |
203 | { 0 } | |
204 | }; | |
205 | ||
206 | static PyMemberDef keyszrange_pymembers[] = { | |
207 | #define MEMBERSTRUCT keyszrange_pyobj | |
208 | MEMBER(min, T_INT, READONLY, "KSZ.min -> smallest allowed key size") | |
209 | MEMBER(max, T_INT, READONLY, "KSZ.min -> largest allowed key size") | |
210 | MEMBER(mod, T_INT, READONLY, | |
211 | "KSZ.mod -> key size must be a multiple of this") | |
212 | #undef MEMBERSTRUCT | |
213 | { 0 } | |
214 | }; | |
215 | ||
216 | static PyGetSetDef keyszset_pygetset[] = { | |
217 | #define GETSETNAME(op, name) ks##op##_##name | |
218 | GET (min, "KSZ.min -> smallest allowed key size") | |
219 | GET (max, "KSZ.min -> largest allowed key size") | |
220 | #undef GETSETNAME | |
221 | { 0 } | |
222 | }; | |
223 | ||
224 | static PyMemberDef keyszset_pymembers[] = { | |
225 | #define MEMBERSTRUCT keyszset_pyobj | |
226 | MEMBER(set, T_OBJECT, READONLY, "KSZ.set -> allowed key sizes") | |
227 | #undef MEMBERSTRUCT | |
228 | { 0 } | |
229 | }; | |
230 | ||
231 | static PyTypeObject keysz_pytype_skel = { | |
6d4db0bf | 232 | PyObject_HEAD_INIT(0) 0, /* Header */ |
c461c9b3 | 233 | "KeySZ", /* @tp_name@ */ |
d7ab1bab | 234 | sizeof(keysz_pyobj), /* @tp_basicsize@ */ |
235 | 0, /* @tp_itemsize@ */ | |
236 | ||
3aa33042 | 237 | 0, /* @tp_dealloc@ */ |
d7ab1bab | 238 | 0, /* @tp_print@ */ |
239 | 0, /* @tp_getattr@ */ | |
240 | 0, /* @tp_setattr@ */ | |
241 | 0, /* @tp_compare@ */ | |
242 | 0, /* @tp_repr@ */ | |
243 | 0, /* @tp_as_number@ */ | |
244 | 0, /* @tp_as_sequence@ */ | |
245 | 0, /* @tp_as_mapping@ */ | |
246 | 0, /* @tp_hash@ */ | |
247 | 0, /* @tp_call@ */ | |
248 | 0, /* @tp_str@ */ | |
249 | 0, /* @tp_getattro@ */ | |
250 | 0, /* @tp_setattro@ */ | |
251 | 0, /* @tp_as_buffer@ */ | |
252 | Py_TPFLAGS_DEFAULT | /* @tp_flags@ */ | |
253 | Py_TPFLAGS_BASETYPE, | |
254 | ||
255 | /* @tp_doc@ */ | |
256 | "Key size constraints.", | |
257 | ||
258 | 0, /* @tp_traverse@ */ | |
259 | 0, /* @tp_clear@ */ | |
260 | 0, /* @tp_richcompare@ */ | |
261 | 0, /* @tp_weaklistoffset@ */ | |
262 | 0, /* @tp_iter@ */ | |
963a6148 | 263 | 0, /* @tp_iternext@ */ |
d7ab1bab | 264 | 0, /* @tp_methods@ */ |
265 | keysz_pymembers, /* @tp_members@ */ | |
266 | 0, /* @tp_getset@ */ | |
267 | 0, /* @tp_base@ */ | |
268 | 0, /* @tp_dict@ */ | |
269 | 0, /* @tp_descr_get@ */ | |
270 | 0, /* @tp_descr_set@ */ | |
271 | 0, /* @tp_dictoffset@ */ | |
272 | 0, /* @tp_init@ */ | |
273 | PyType_GenericAlloc, /* @tp_alloc@ */ | |
274 | abstract_pynew, /* @tp_new@ */ | |
3aa33042 | 275 | 0, /* @tp_free@ */ |
d7ab1bab | 276 | 0 /* @tp_is_gc@ */ |
277 | }; | |
278 | ||
279 | static PyTypeObject keyszany_pytype_skel = { | |
6d4db0bf | 280 | PyObject_HEAD_INIT(0) 0, /* Header */ |
c461c9b3 | 281 | "KeySZAny", /* @tp_name@ */ |
d7ab1bab | 282 | sizeof(keysz_pyobj), /* @tp_basicsize@ */ |
283 | 0, /* @tp_itemsize@ */ | |
284 | ||
3aa33042 | 285 | 0, /* @tp_dealloc@ */ |
d7ab1bab | 286 | 0, /* @tp_print@ */ |
287 | 0, /* @tp_getattr@ */ | |
288 | 0, /* @tp_setattr@ */ | |
289 | 0, /* @tp_compare@ */ | |
290 | 0, /* @tp_repr@ */ | |
291 | 0, /* @tp_as_number@ */ | |
292 | 0, /* @tp_as_sequence@ */ | |
293 | 0, /* @tp_as_mapping@ */ | |
294 | 0, /* @tp_hash@ */ | |
295 | 0, /* @tp_call@ */ | |
296 | 0, /* @tp_str@ */ | |
297 | 0, /* @tp_getattro@ */ | |
298 | 0, /* @tp_setattro@ */ | |
299 | 0, /* @tp_as_buffer@ */ | |
300 | Py_TPFLAGS_DEFAULT | /* @tp_flags@ */ | |
301 | Py_TPFLAGS_BASETYPE, | |
302 | ||
303 | /* @tp_doc@ */ | |
304 | "Key size constraints. This object imposes no constraints on size.", | |
305 | ||
306 | 0, /* @tp_traverse@ */ | |
307 | 0, /* @tp_clear@ */ | |
308 | 0, /* @tp_richcompare@ */ | |
309 | 0, /* @tp_weaklistoffset@ */ | |
310 | 0, /* @tp_iter@ */ | |
963a6148 | 311 | 0, /* @tp_iternext@ */ |
d7ab1bab | 312 | 0, /* @tp_methods@ */ |
313 | 0, /* @tp_members@ */ | |
314 | keyszany_pygetset, /* @tp_getset@ */ | |
315 | 0, /* @tp_base@ */ | |
316 | 0, /* @tp_dict@ */ | |
317 | 0, /* @tp_descr_get@ */ | |
318 | 0, /* @tp_descr_set@ */ | |
319 | 0, /* @tp_dictoffset@ */ | |
320 | 0, /* @tp_init@ */ | |
321 | PyType_GenericAlloc, /* @tp_alloc@ */ | |
322 | keyszany_pynew, /* @tp_new@ */ | |
3aa33042 | 323 | 0, /* @tp_free@ */ |
d7ab1bab | 324 | 0 /* @tp_is_gc@ */ |
325 | }; | |
326 | ||
327 | static PyTypeObject keyszrange_pytype_skel = { | |
6d4db0bf | 328 | PyObject_HEAD_INIT(0) 0, /* Header */ |
c461c9b3 | 329 | "KeySZRange", /* @tp_name@ */ |
d7ab1bab | 330 | sizeof(keyszrange_pyobj), /* @tp_basicsize@ */ |
331 | 0, /* @tp_itemsize@ */ | |
332 | ||
3aa33042 | 333 | 0, /* @tp_dealloc@ */ |
d7ab1bab | 334 | 0, /* @tp_print@ */ |
335 | 0, /* @tp_getattr@ */ | |
336 | 0, /* @tp_setattr@ */ | |
337 | 0, /* @tp_compare@ */ | |
338 | 0, /* @tp_repr@ */ | |
339 | 0, /* @tp_as_number@ */ | |
340 | 0, /* @tp_as_sequence@ */ | |
341 | 0, /* @tp_as_mapping@ */ | |
342 | 0, /* @tp_hash@ */ | |
343 | 0, /* @tp_call@ */ | |
344 | 0, /* @tp_str@ */ | |
345 | 0, /* @tp_getattro@ */ | |
346 | 0, /* @tp_setattro@ */ | |
347 | 0, /* @tp_as_buffer@ */ | |
348 | Py_TPFLAGS_DEFAULT | /* @tp_flags@ */ | |
349 | Py_TPFLAGS_BASETYPE, | |
350 | ||
351 | /* @tp_doc@ */ | |
352 | "Key size constraints. This object asserts minimum and maximum (if\n\ | |
353 | sizes, and requires the key length to be a multiple of some value.", | |
354 | ||
355 | 0, /* @tp_traverse@ */ | |
356 | 0, /* @tp_clear@ */ | |
357 | 0, /* @tp_richcompare@ */ | |
358 | 0, /* @tp_weaklistoffset@ */ | |
359 | 0, /* @tp_iter@ */ | |
963a6148 | 360 | 0, /* @tp_iternext@ */ |
d7ab1bab | 361 | 0, /* @tp_methods@ */ |
362 | keyszrange_pymembers, /* @tp_members@ */ | |
363 | 0, /* @tp_getset@ */ | |
364 | 0, /* @tp_base@ */ | |
365 | 0, /* @tp_dict@ */ | |
366 | 0, /* @tp_descr_get@ */ | |
367 | 0, /* @tp_descr_set@ */ | |
368 | 0, /* @tp_dictoffset@ */ | |
369 | 0, /* @tp_init@ */ | |
370 | PyType_GenericAlloc, /* @tp_alloc@ */ | |
371 | keyszrange_pynew, /* @tp_new@ */ | |
3aa33042 | 372 | 0, /* @tp_free@ */ |
d7ab1bab | 373 | 0 /* @tp_is_gc@ */ |
374 | }; | |
375 | ||
376 | static PyTypeObject keyszset_pytype_skel = { | |
6d4db0bf | 377 | PyObject_HEAD_INIT(0) 0, /* Header */ |
c461c9b3 | 378 | "KeySZSet", /* @tp_name@ */ |
d7ab1bab | 379 | sizeof(keyszset_pyobj), /* @tp_basicsize@ */ |
380 | 0, /* @tp_itemsize@ */ | |
381 | ||
3aa33042 | 382 | 0, /* @tp_dealloc@ */ |
d7ab1bab | 383 | 0, /* @tp_print@ */ |
384 | 0, /* @tp_getattr@ */ | |
385 | 0, /* @tp_setattr@ */ | |
386 | 0, /* @tp_compare@ */ | |
387 | 0, /* @tp_repr@ */ | |
388 | 0, /* @tp_as_number@ */ | |
389 | 0, /* @tp_as_sequence@ */ | |
390 | 0, /* @tp_as_mapping@ */ | |
391 | 0, /* @tp_hash@ */ | |
392 | 0, /* @tp_call@ */ | |
393 | 0, /* @tp_str@ */ | |
394 | 0, /* @tp_getattro@ */ | |
395 | 0, /* @tp_setattro@ */ | |
396 | 0, /* @tp_as_buffer@ */ | |
397 | Py_TPFLAGS_DEFAULT | /* @tp_flags@ */ | |
398 | Py_TPFLAGS_BASETYPE, | |
399 | ||
400 | /* @tp_doc@ */ | |
401 | "Key size constraints. This object requires the key to be one of a\n\ | |
402 | few listed sizes.", | |
403 | ||
404 | 0, /* @tp_traverse@ */ | |
405 | 0, /* @tp_clear@ */ | |
406 | 0, /* @tp_richcompare@ */ | |
407 | 0, /* @tp_weaklistoffset@ */ | |
408 | 0, /* @tp_iter@ */ | |
963a6148 | 409 | 0, /* @tp_iternext@ */ |
d7ab1bab | 410 | 0, /* @tp_methods@ */ |
411 | keyszset_pymembers, /* @tp_members@ */ | |
412 | keyszset_pygetset, /* @tp_getset@ */ | |
413 | 0, /* @tp_base@ */ | |
414 | 0, /* @tp_dict@ */ | |
415 | 0, /* @tp_descr_get@ */ | |
416 | 0, /* @tp_descr_set@ */ | |
417 | 0, /* @tp_dictoffset@ */ | |
418 | 0, /* @tp_init@ */ | |
419 | PyType_GenericAlloc, /* @tp_alloc@ */ | |
420 | keyszset_pynew, /* @tp_new@ */ | |
3aa33042 | 421 | 0, /* @tp_free@ */ |
d7ab1bab | 422 | 0 /* @tp_is_gc@ */ |
423 | }; | |
424 | ||
89157adc MW |
425 | #define KSZCONVOP(op) \ |
426 | static PyObject *meth__KeySZ_##op(PyObject *me, PyObject *arg) \ | |
427 | { \ | |
428 | double x, y; \ | |
429 | if (!PyArg_ParseTuple(arg, "Od:" #op, &me, &x)) return (0); \ | |
430 | y = keysz_##op(x); \ | |
431 | return (PyFloat_FromDouble(y)); \ | |
432 | } | |
433 | KSZCONVOP(fromdl) | |
434 | KSZCONVOP(fromschnorr) | |
435 | KSZCONVOP(fromif) | |
436 | KSZCONVOP(fromec) | |
437 | KSZCONVOP(todl) | |
438 | KSZCONVOP(toschnorr) | |
439 | KSZCONVOP(toif) | |
440 | KSZCONVOP(toec) | |
441 | #undef KSZCONVOP | |
442 | ||
d7ab1bab | 443 | /*----- Symmetric encryption ----------------------------------------------*/ |
444 | ||
445 | PyTypeObject *gccipher_pytype, *gcipher_pytype; | |
446 | ||
447 | CONVFUNC(gccipher, gccipher *, GCCIPHER_CC) | |
448 | CONVFUNC(gcipher, gcipher *, GCIPHER_C) | |
449 | ||
450 | PyObject *gcipher_pywrap(PyObject *cobj, gcipher *c, unsigned f) | |
451 | { | |
452 | gcipher_pyobj *g; | |
453 | if (!cobj) cobj = gccipher_pywrap((/*unconst*/ gccipher *)GC_CLASS(c)); | |
454 | else Py_INCREF(cobj); | |
455 | g = PyObject_NEW(gcipher_pyobj, (PyTypeObject *)cobj); | |
456 | g->c = c; | |
457 | g->f = f; | |
b2687a0a | 458 | return ((PyObject *)g); |
d7ab1bab | 459 | } |
460 | ||
461 | static PyObject *gcipher_pynew(PyTypeObject *ty, PyObject *arg, PyObject *kw) | |
462 | { | |
463 | char *kwlist[] = { "k", 0 }; | |
464 | char *k; | |
6b54260d | 465 | Py_ssize_t sz; |
d7ab1bab | 466 | |
467 | if (!PyArg_ParseTupleAndKeywords(arg, kw, "s#:new", kwlist, &k, &sz)) | |
468 | goto end; | |
469 | if (keysz(sz, GCCIPHER_CC(ty)->keysz) != sz) VALERR("bad key length"); | |
470 | return (gcipher_pywrap((PyObject *)ty, | |
471 | GC_INIT(GCCIPHER_CC(ty), k, sz), | |
472 | f_freeme)); | |
473 | end: | |
b2687a0a | 474 | return (0); |
d7ab1bab | 475 | } |
476 | ||
477 | PyObject *gccipher_pywrap(gccipher *cc) | |
478 | { | |
df9f8366 | 479 | gccipher_pyobj *g = newtype(gccipher_pytype, 0, cc->name); |
d7ab1bab | 480 | g->cc = cc; |
24b3d57b MW |
481 | g->ty.ht_type.tp_basicsize = sizeof(gcipher_pyobj); |
482 | g->ty.ht_type.tp_base = gcipher_pytype; | |
d7ab1bab | 483 | Py_INCREF(gcipher_pytype); |
24b3d57b MW |
484 | g->ty.ht_type.tp_flags = (Py_TPFLAGS_DEFAULT | |
485 | Py_TPFLAGS_BASETYPE | | |
486 | Py_TPFLAGS_HEAPTYPE); | |
487 | g->ty.ht_type.tp_alloc = PyType_GenericAlloc; | |
488 | g->ty.ht_type.tp_free = 0; | |
489 | g->ty.ht_type.tp_new = gcipher_pynew; | |
dc075750 | 490 | typeready(&g->ty.ht_type); |
d7ab1bab | 491 | return ((PyObject *)g); |
492 | } | |
493 | ||
494 | static void gcipher_pydealloc(PyObject *me) | |
495 | { | |
496 | if (GCIPHER_F(me) & f_freeme) | |
497 | GC_DESTROY(GCIPHER_C(me)); | |
498 | Py_DECREF(me->ob_type); | |
3aa33042 | 499 | FREEOBJ(me); |
d7ab1bab | 500 | } |
501 | ||
502 | static PyObject *gccget_name(PyObject *me, void *hunoz) | |
503 | { return (PyString_FromString(GCCIPHER_CC(me)->name)); } | |
504 | ||
505 | static PyObject *gccget_keysz(PyObject *me, void *hunoz) | |
506 | { return (keysz_pywrap(GCCIPHER_CC(me)->keysz)); } | |
507 | ||
508 | static PyObject *gccget_blksz(PyObject *me, void *hunoz) | |
509 | { return (PyInt_FromLong(GCCIPHER_CC(me)->blksz)); } | |
510 | ||
511 | static PyObject *gcmeth_encrypt(PyObject *me, PyObject *arg) | |
512 | { | |
513 | char *p; | |
6b54260d | 514 | Py_ssize_t sz; |
d7ab1bab | 515 | PyObject *rc = 0; |
516 | ||
517 | if (!PyArg_ParseTuple(arg, "s#:encrypt", &p, &sz)) return (0); | |
518 | rc = bytestring_pywrap(0, sz); | |
519 | GC_ENCRYPT(GCIPHER_C(me), p, PyString_AS_STRING(rc), sz); | |
520 | return (rc); | |
521 | } | |
522 | ||
523 | static PyObject *gcmeth_enczero(PyObject *me, PyObject *arg) | |
524 | { | |
525 | char *p; | |
526 | int sz; | |
527 | PyObject *rc = 0; | |
528 | ||
529 | if (!PyArg_ParseTuple(arg, "i:enczero", &sz)) return (0); | |
530 | rc = bytestring_pywrap(0, sz); | |
531 | p = PyString_AS_STRING(rc); | |
532 | memset(p, 0, sz); | |
533 | GC_ENCRYPT(GCIPHER_C(me), p, p, sz); | |
534 | return (rc); | |
535 | } | |
536 | ||
537 | static PyObject *gcmeth_decrypt(PyObject *me, PyObject *arg) | |
538 | { | |
539 | char *p; | |
6b54260d | 540 | Py_ssize_t sz; |
d7ab1bab | 541 | PyObject *rc = 0; |
542 | ||
543 | if (!PyArg_ParseTuple(arg, "s#:decrypt", &p, &sz)) return (0); | |
544 | rc = bytestring_pywrap(0, sz); | |
545 | GC_DECRYPT(GCIPHER_C(me), p, PyString_AS_STRING(rc), sz); | |
546 | return (rc); | |
547 | } | |
548 | ||
549 | static PyObject *gcmeth_deczero(PyObject *me, PyObject *arg) | |
550 | { | |
551 | char *p; | |
552 | int sz; | |
553 | PyObject *rc = 0; | |
554 | ||
555 | if (!PyArg_ParseTuple(arg, "i:deczero", &sz)) return (0); | |
556 | rc = bytestring_pywrap(0, sz); | |
557 | p = PyString_AS_STRING(rc); | |
558 | memset(p, 0, sz); | |
559 | GC_DECRYPT(GCIPHER_C(me), p, p, sz); | |
560 | return (rc); | |
561 | } | |
562 | ||
563 | static PyObject *gcmeth_setiv(PyObject *me, PyObject *arg) | |
564 | { | |
565 | char *p; | |
6b54260d | 566 | Py_ssize_t sz; |
d7ab1bab | 567 | |
568 | if (!PyArg_ParseTuple(arg, "s#:setiv", &p, &sz)) goto end; | |
569 | if (!GC_CLASS(GCIPHER_C(me))->blksz) VALERR("not a block cipher mode"); | |
570 | if (sz != GC_CLASS(GCIPHER_C(me))->blksz) VALERR("bad IV length"); | |
571 | GC_SETIV(GCIPHER_C(me), p); | |
572 | RETURN_ME; | |
573 | end: | |
574 | return (0); | |
575 | } | |
576 | ||
577 | static PyObject *gcmeth_bdry(PyObject *me, PyObject *arg) | |
578 | { | |
579 | if (!PyArg_ParseTuple(arg, ":bdry")) goto end; | |
580 | if (!GC_CLASS(GCIPHER_C(me))->blksz) VALERR("not a block cipher mode"); | |
581 | GC_BDRY(GCIPHER_C(me)); | |
582 | RETURN_ME; | |
583 | end: | |
584 | return (0); | |
585 | } | |
586 | ||
587 | static PyGetSetDef gccipher_pygetset[] = { | |
588 | #define GETSETNAME(op, name) gcc##op##_##name | |
589 | GET (keysz, "CC.keysz -> acceptable key sizes") | |
590 | GET (blksz, "CC.blksz -> block size, or zero") | |
591 | GET (name, "CC.name -> name of this kind of cipher") | |
592 | #undef GETSETNAME | |
593 | { 0 } | |
594 | }; | |
595 | ||
596 | static PyMethodDef gcipher_pymethods[] = { | |
597 | #define METHNAME(name) gcmeth_##name | |
598 | METH (encrypt, "C.encrypt(PT) -> CT") | |
599 | METH (enczero, "C.enczero(N) -> CT") | |
600 | METH (decrypt, "C.decrypt(CT) -> PT") | |
601 | METH (deczero, "C.deczero(N) -> PT") | |
602 | METH (setiv, "C.setiv(IV)") | |
603 | METH (bdry, "C.bdry()") | |
604 | #undef METHNAME | |
605 | { 0 } | |
606 | }; | |
607 | ||
608 | static PyTypeObject gccipher_pytype_skel = { | |
6d4db0bf | 609 | PyObject_HEAD_INIT(0) 0, /* Header */ |
c461c9b3 | 610 | "GCCipher", /* @tp_name@ */ |
d7ab1bab | 611 | sizeof(gccipher_pyobj), /* @tp_basicsize@ */ |
612 | 0, /* @tp_itemsize@ */ | |
613 | ||
614 | 0, /* @tp_dealloc@ */ | |
615 | 0, /* @tp_print@ */ | |
616 | 0, /* @tp_getattr@ */ | |
617 | 0, /* @tp_setattr@ */ | |
618 | 0, /* @tp_compare@ */ | |
619 | 0, /* @tp_repr@ */ | |
620 | 0, /* @tp_as_number@ */ | |
621 | 0, /* @tp_as_sequence@ */ | |
622 | 0, /* @tp_as_mapping@ */ | |
623 | 0, /* @tp_hash@ */ | |
624 | 0, /* @tp_call@ */ | |
625 | 0, /* @tp_str@ */ | |
626 | 0, /* @tp_getattro@ */ | |
627 | 0, /* @tp_setattro@ */ | |
628 | 0, /* @tp_as_buffer@ */ | |
629 | Py_TPFLAGS_DEFAULT | /* @tp_flags@ */ | |
630 | Py_TPFLAGS_BASETYPE, | |
631 | ||
632 | /* @tp_doc@ */ | |
633 | "Symmetric cipher metaclass.", | |
634 | ||
635 | 0, /* @tp_traverse@ */ | |
636 | 0, /* @tp_clear@ */ | |
637 | 0, /* @tp_richcompare@ */ | |
638 | 0, /* @tp_weaklistoffset@ */ | |
639 | 0, /* @tp_iter@ */ | |
963a6148 | 640 | 0, /* @tp_iternext@ */ |
d7ab1bab | 641 | 0, /* @tp_methods@ */ |
642 | 0, /* @tp_members@ */ | |
643 | gccipher_pygetset, /* @tp_getset@ */ | |
644 | 0, /* @tp_base@ */ | |
645 | 0, /* @tp_dict@ */ | |
646 | 0, /* @tp_descr_get@ */ | |
647 | 0, /* @tp_descr_set@ */ | |
648 | 0, /* @tp_dictoffset@ */ | |
649 | 0, /* @tp_init@ */ | |
650 | PyType_GenericAlloc, /* @tp_alloc@ */ | |
651 | abstract_pynew, /* @tp_new@ */ | |
3aa33042 | 652 | 0, /* @tp_free@ */ |
d7ab1bab | 653 | 0 /* @tp_is_gc@ */ |
654 | }; | |
655 | ||
656 | static PyTypeObject gcipher_pytype_skel = { | |
6d4db0bf | 657 | PyObject_HEAD_INIT(0) 0, /* Header */ |
c461c9b3 | 658 | "GCipher", /* @tp_name@ */ |
d7ab1bab | 659 | sizeof(gcipher_pyobj), /* @tp_basicsize@ */ |
660 | 0, /* @tp_itemsize@ */ | |
661 | ||
662 | gcipher_pydealloc, /* @tp_dealloc@ */ | |
663 | 0, /* @tp_print@ */ | |
664 | 0, /* @tp_getattr@ */ | |
665 | 0, /* @tp_setattr@ */ | |
666 | 0, /* @tp_compare@ */ | |
667 | 0, /* @tp_repr@ */ | |
668 | 0, /* @tp_as_number@ */ | |
669 | 0, /* @tp_as_sequence@ */ | |
670 | 0, /* @tp_as_mapping@ */ | |
671 | 0, /* @tp_hash@ */ | |
672 | 0, /* @tp_call@ */ | |
673 | 0, /* @tp_str@ */ | |
674 | 0, /* @tp_getattro@ */ | |
675 | 0, /* @tp_setattro@ */ | |
676 | 0, /* @tp_as_buffer@ */ | |
677 | Py_TPFLAGS_DEFAULT | /* @tp_flags@ */ | |
678 | Py_TPFLAGS_BASETYPE, | |
679 | ||
680 | /* @tp_doc@ */ | |
681 | "Symmetric cipher, abstract base class.", | |
682 | ||
683 | 0, /* @tp_traverse@ */ | |
684 | 0, /* @tp_clear@ */ | |
685 | 0, /* @tp_richcompare@ */ | |
686 | 0, /* @tp_weaklistoffset@ */ | |
687 | 0, /* @tp_iter@ */ | |
963a6148 | 688 | 0, /* @tp_iternext@ */ |
d7ab1bab | 689 | gcipher_pymethods, /* @tp_methods@ */ |
690 | 0, /* @tp_members@ */ | |
691 | 0, /* @tp_getset@ */ | |
692 | 0, /* @tp_base@ */ | |
693 | 0, /* @tp_dict@ */ | |
694 | 0, /* @tp_descr_get@ */ | |
695 | 0, /* @tp_descr_set@ */ | |
696 | 0, /* @tp_dictoffset@ */ | |
697 | 0, /* @tp_init@ */ | |
698 | PyType_GenericAlloc, /* @tp_alloc@ */ | |
699 | abstract_pynew, /* @tp_new@ */ | |
3aa33042 | 700 | 0, /* @tp_free@ */ |
d7ab1bab | 701 | 0 /* @tp_is_gc@ */ |
702 | }; | |
703 | ||
704 | /*----- Hash functions ----------------------------------------------------*/ | |
705 | ||
706 | PyTypeObject *gchash_pytype, *ghash_pytype; | |
707 | ||
708 | CONVFUNC(gchash, gchash *, GCHASH_CH) | |
709 | CONVFUNC(ghash, ghash *, GHASH_H) | |
710 | ||
711 | static PyObject *ghash_pynew(PyTypeObject *ty, PyObject *arg, PyObject *kw) | |
712 | { | |
713 | char *kwlist[] = { 0 }; | |
714 | if (!PyArg_ParseTupleAndKeywords(arg, kw, ":new", kwlist)) | |
715 | goto end; | |
716 | return (ghash_pywrap((PyObject *)ty, GH_INIT(GCHASH_CH(ty)), f_freeme)); | |
717 | end: | |
b2687a0a | 718 | return (0); |
d7ab1bab | 719 | } |
720 | ||
721 | PyObject *gchash_pywrap(gchash *ch) | |
722 | { | |
df9f8366 | 723 | gchash_pyobj *g = newtype(gchash_pytype, 0, ch->name); |
d7ab1bab | 724 | g->ch = ch; |
24b3d57b MW |
725 | g->ty.ht_type.tp_basicsize = sizeof(ghash_pyobj); |
726 | g->ty.ht_type.tp_base = ghash_pytype; | |
d7ab1bab | 727 | Py_INCREF(ghash_pytype); |
24b3d57b MW |
728 | g->ty.ht_type.tp_flags = (Py_TPFLAGS_DEFAULT | |
729 | Py_TPFLAGS_BASETYPE | | |
730 | Py_TPFLAGS_HEAPTYPE); | |
731 | g->ty.ht_type.tp_alloc = PyType_GenericAlloc; | |
732 | g->ty.ht_type.tp_free = 0; | |
733 | g->ty.ht_type.tp_new = ghash_pynew; | |
dc075750 | 734 | typeready(&g->ty.ht_type); |
d7ab1bab | 735 | return ((PyObject *)g); |
736 | } | |
737 | ||
738 | PyObject *ghash_pywrap(PyObject *cobj, ghash *h, unsigned f) | |
739 | { | |
740 | ghash_pyobj *g; | |
741 | if (!cobj) cobj = gchash_pywrap((/*unconst*/ gchash *)GH_CLASS(h)); | |
742 | else Py_INCREF(cobj); | |
743 | g = PyObject_NEW(ghash_pyobj, (PyTypeObject *)cobj); | |
744 | g->h = h; | |
745 | g->f = f; | |
b2687a0a | 746 | return ((PyObject *)g); |
d7ab1bab | 747 | } |
748 | ||
749 | static void ghash_pydealloc(PyObject *me) | |
750 | { | |
751 | if (GHASH_F(me) & f_freeme) | |
752 | GH_DESTROY(GHASH_H(me)); | |
753 | Py_DECREF(me->ob_type); | |
3aa33042 | 754 | FREEOBJ(me); |
d7ab1bab | 755 | } |
756 | ||
757 | static PyObject *gchget_name(PyObject *me, void *hunoz) | |
758 | { return (PyString_FromString(GCHASH_CH(me)->name)); } | |
759 | ||
760 | static PyObject *gchget_hashsz(PyObject *me, void *hunoz) | |
761 | { return (PyInt_FromLong(GCHASH_CH(me)->hashsz)); } | |
762 | ||
763 | static PyObject *gchget_bufsz(PyObject *me, void *hunoz) | |
764 | { return (PyInt_FromLong(GCHASH_CH(me)->bufsz)); } | |
765 | ||
766 | static PyObject *ghmeth_hash(PyObject *me, PyObject *arg) | |
767 | { | |
768 | char *p; | |
6b54260d | 769 | Py_ssize_t sz; |
d7ab1bab | 770 | if (!PyArg_ParseTuple(arg, "s#:hash", &p, &sz)) return (0); |
771 | GH_HASH(GHASH_H(me), p, sz); | |
772 | RETURN_ME; | |
773 | } | |
774 | ||
46e6ad89 | 775 | #define GHMETH_HASHU_(n, W, w) \ |
776 | static PyObject *ghmeth_hashu##w(PyObject *me, PyObject *arg) \ | |
777 | { \ | |
778 | uint##n x; \ | |
779 | if (!PyArg_ParseTuple(arg, "O&:hashu" #w, convu##n, &x)) goto end; \ | |
780 | GH_HASHU##W(GHASH_H(me), x); \ | |
781 | RETURN_ME; \ | |
782 | end: \ | |
783 | return (0); \ | |
784 | } | |
785 | DOUINTCONV(GHMETH_HASHU_) | |
786 | ||
787 | #define GHMETH_HASHBUF_(n, W, w) \ | |
788 | static PyObject *ghmeth_hashbuf##w(PyObject *me, PyObject *arg) \ | |
789 | { \ | |
790 | char *p; \ | |
6b54260d | 791 | Py_ssize_t sz; \ |
46e6ad89 | 792 | if (!PyArg_ParseTuple(arg, "s#:hashbuf" #w, &p, &sz)) goto end; \ |
793 | if (sz > MASK##n) TYERR("string too long"); \ | |
794 | GH_HASHBUF##W(GHASH_H(me), p, sz); \ | |
795 | RETURN_ME; \ | |
796 | end: \ | |
797 | return (0); \ | |
798 | } | |
799 | DOUINTCONV(GHMETH_HASHBUF_) | |
800 | ||
801 | static PyObject *ghmeth_hashstrz(PyObject *me, PyObject *arg) | |
802 | { | |
803 | char *p; | |
804 | if (!PyArg_ParseTuple(arg, "s:hashstrz", &p)) return (0); | |
805 | GH_HASHSTRZ(GHASH_H(me), p); | |
806 | RETURN_ME; | |
807 | } | |
808 | ||
07bcd768 MW |
809 | static PyObject *ghmeth_done(PyObject *me, PyObject *arg) |
810 | { | |
811 | ghash *g; | |
812 | PyObject *rc; | |
813 | if (!PyArg_ParseTuple(arg, ":done")) return (0); | |
814 | g = GH_COPY(GHASH_H(me)); | |
815 | rc = bytestring_pywrap(0, g->ops->c->hashsz); | |
816 | GH_DONE(g, PyString_AS_STRING(rc)); | |
817 | GH_DESTROY(g); | |
818 | return (rc); | |
819 | } | |
820 | ||
821 | static PyGetSetDef gchash_pygetset[] = { | |
822 | #define GETSETNAME(op, name) gch##op##_##name | |
823 | GET (bufsz, "CH.bufsz -> hash buffer size, or zero") | |
824 | GET (hashsz, "CH.hashsz -> hash output size") | |
825 | GET (name, "CH.name -> name of this kind of hash") | |
826 | #undef GETSETNAME | |
827 | { 0 } | |
828 | }; | |
829 | ||
d7ab1bab | 830 | static PyMethodDef ghash_pymethods[] = { |
831 | #define METHNAME(name) ghmeth_##name | |
832 | METH (hash, "H.hash(M)") | |
46e6ad89 | 833 | #define METHU_(n, W, w) METH(hashu##w, "H.hashu" #w "(WORD)") |
834 | DOUINTCONV(METHU_) | |
07bcd768 | 835 | #undef METHU_ |
46e6ad89 | 836 | #define METHBUF_(n, W, w) METH(hashbuf##w, "H.hashbuf" #w "(BYTES)") |
837 | DOUINTCONV(METHBUF_) | |
07bcd768 | 838 | #undef METHBUF_ |
46e6ad89 | 839 | METH (hashstrz, "H.hashstrz(STRING)") |
d7ab1bab | 840 | METH (done, "H.done() -> HASH") |
841 | #undef METHNAME | |
842 | { 0 } | |
843 | }; | |
844 | ||
845 | static PyTypeObject gchash_pytype_skel = { | |
6d4db0bf | 846 | PyObject_HEAD_INIT(0) 0, /* Header */ |
c461c9b3 | 847 | "GCHash", /* @tp_name@ */ |
d7ab1bab | 848 | sizeof(gchash_pyobj), /* @tp_basicsize@ */ |
849 | 0, /* @tp_itemsize@ */ | |
850 | ||
851 | 0, /* @tp_dealloc@ */ | |
852 | 0, /* @tp_print@ */ | |
853 | 0, /* @tp_getattr@ */ | |
854 | 0, /* @tp_setattr@ */ | |
855 | 0, /* @tp_compare@ */ | |
856 | 0, /* @tp_repr@ */ | |
857 | 0, /* @tp_as_number@ */ | |
858 | 0, /* @tp_as_sequence@ */ | |
859 | 0, /* @tp_as_mapping@ */ | |
860 | 0, /* @tp_hash@ */ | |
861 | 0, /* @tp_call@ */ | |
862 | 0, /* @tp_str@ */ | |
863 | 0, /* @tp_getattro@ */ | |
864 | 0, /* @tp_setattro@ */ | |
865 | 0, /* @tp_as_buffer@ */ | |
866 | Py_TPFLAGS_DEFAULT | /* @tp_flags@ */ | |
867 | Py_TPFLAGS_BASETYPE, | |
868 | ||
869 | /* @tp_doc@ */ | |
870 | "Hash function metaclass.", | |
871 | ||
872 | 0, /* @tp_traverse@ */ | |
873 | 0, /* @tp_clear@ */ | |
874 | 0, /* @tp_richcompare@ */ | |
875 | 0, /* @tp_weaklistoffset@ */ | |
876 | 0, /* @tp_iter@ */ | |
963a6148 | 877 | 0, /* @tp_iternext@ */ |
d7ab1bab | 878 | 0, /* @tp_methods@ */ |
879 | 0, /* @tp_members@ */ | |
880 | gchash_pygetset, /* @tp_getset@ */ | |
881 | 0, /* @tp_base@ */ | |
882 | 0, /* @tp_dict@ */ | |
883 | 0, /* @tp_descr_get@ */ | |
884 | 0, /* @tp_descr_set@ */ | |
885 | 0, /* @tp_dictoffset@ */ | |
886 | 0, /* @tp_init@ */ | |
887 | PyType_GenericAlloc, /* @tp_alloc@ */ | |
888 | abstract_pynew, /* @tp_new@ */ | |
3aa33042 | 889 | 0, /* @tp_free@ */ |
d7ab1bab | 890 | 0 /* @tp_is_gc@ */ |
891 | }; | |
892 | ||
893 | static PyTypeObject ghash_pytype_skel = { | |
6d4db0bf | 894 | PyObject_HEAD_INIT(0) 0, /* Header */ |
c461c9b3 | 895 | "GHash", /* @tp_name@ */ |
d7ab1bab | 896 | sizeof(ghash_pyobj), /* @tp_basicsize@ */ |
897 | 0, /* @tp_itemsize@ */ | |
898 | ||
899 | ghash_pydealloc, /* @tp_dealloc@ */ | |
900 | 0, /* @tp_print@ */ | |
901 | 0, /* @tp_getattr@ */ | |
902 | 0, /* @tp_setattr@ */ | |
903 | 0, /* @tp_compare@ */ | |
904 | 0, /* @tp_repr@ */ | |
905 | 0, /* @tp_as_number@ */ | |
906 | 0, /* @tp_as_sequence@ */ | |
907 | 0, /* @tp_as_mapping@ */ | |
908 | 0, /* @tp_hash@ */ | |
909 | 0, /* @tp_call@ */ | |
910 | 0, /* @tp_str@ */ | |
911 | 0, /* @tp_getattro@ */ | |
912 | 0, /* @tp_setattro@ */ | |
913 | 0, /* @tp_as_buffer@ */ | |
914 | Py_TPFLAGS_DEFAULT | /* @tp_flags@ */ | |
915 | Py_TPFLAGS_BASETYPE, | |
916 | ||
917 | /* @tp_doc@ */ | |
918 | "Hash function, abstract base class.", | |
919 | ||
920 | 0, /* @tp_traverse@ */ | |
921 | 0, /* @tp_clear@ */ | |
922 | 0, /* @tp_richcompare@ */ | |
923 | 0, /* @tp_weaklistoffset@ */ | |
924 | 0, /* @tp_iter@ */ | |
963a6148 | 925 | 0, /* @tp_iternext@ */ |
d7ab1bab | 926 | ghash_pymethods, /* @tp_methods@ */ |
927 | 0, /* @tp_members@ */ | |
928 | 0, /* @tp_getset@ */ | |
929 | 0, /* @tp_base@ */ | |
930 | 0, /* @tp_dict@ */ | |
931 | 0, /* @tp_descr_get@ */ | |
932 | 0, /* @tp_descr_set@ */ | |
933 | 0, /* @tp_dictoffset@ */ | |
934 | 0, /* @tp_init@ */ | |
935 | PyType_GenericAlloc, /* @tp_alloc@ */ | |
936 | abstract_pynew, /* @tp_new@ */ | |
3aa33042 | 937 | 0, /* @tp_free@ */ |
d7ab1bab | 938 | 0 /* @tp_is_gc@ */ |
939 | }; | |
940 | ||
941 | /*----- Message authentication --------------------------------------------*/ | |
942 | ||
943 | PyTypeObject *gcmac_pytype, *gmac_pytype, *gmhash_pytype; | |
944 | ||
945 | CONVFUNC(gcmac, gcmac *, GCMAC_CM) | |
946 | CONVFUNC(gmac, gmac *, GMAC_M) | |
947 | CONVFUNC(gmhash, ghash *, GHASH_H) | |
948 | ||
949 | static PyObject *gmac_pynew(PyTypeObject *ty, PyObject *arg, PyObject *kw) | |
950 | { | |
951 | char *kwlist[] = { "k", 0 }; | |
952 | char *k; | |
6b54260d | 953 | Py_ssize_t sz; |
d7ab1bab | 954 | |
955 | if (!PyArg_ParseTupleAndKeywords(arg, kw, "s#:new", kwlist, &k, &sz)) | |
956 | goto end; | |
957 | if (keysz(sz, GCMAC_CM(ty)->keysz) != sz) VALERR("bad key length"); | |
958 | return (gmac_pywrap((PyObject *)ty, | |
959 | GM_KEY(GCMAC_CM(ty), k, sz), | |
960 | f_freeme)); | |
961 | end: | |
b2687a0a | 962 | return (0); |
d7ab1bab | 963 | } |
964 | ||
965 | static PyObject *gmhash_pynew(PyTypeObject *ty, PyObject *arg, PyObject *kw) | |
966 | { | |
967 | char *kwlist[] = { 0 }; | |
968 | ghash_pyobj *g; | |
969 | ||
970 | if (!PyArg_ParseTupleAndKeywords(arg, kw, ":new", kwlist)) return (0); | |
971 | g = PyObject_NEW(ghash_pyobj, ty); | |
972 | g->h = GM_INIT(GMAC_M(ty)); | |
973 | g->f = f_freeme; | |
974 | Py_INCREF(ty); | |
975 | return ((PyObject *)g); | |
976 | } | |
977 | ||
978 | PyObject *gcmac_pywrap(gcmac *cm) | |
979 | { | |
df9f8366 | 980 | gcmac_pyobj *g = newtype(gcmac_pytype, 0, cm->name); |
d7ab1bab | 981 | g->cm = cm; |
24b3d57b MW |
982 | g->ty.ht_type.tp_basicsize = sizeof(gmac_pyobj); |
983 | g->ty.ht_type.tp_base = gmac_pytype; | |
d7ab1bab | 984 | Py_INCREF(gmac_pytype); |
24b3d57b MW |
985 | g->ty.ht_type.tp_flags = (Py_TPFLAGS_DEFAULT | |
986 | Py_TPFLAGS_BASETYPE | | |
987 | Py_TPFLAGS_HEAPTYPE); | |
988 | g->ty.ht_type.tp_alloc = PyType_GenericAlloc; | |
989 | g->ty.ht_type.tp_free = 0; | |
990 | g->ty.ht_type.tp_new = gmac_pynew; | |
dc075750 | 991 | typeready(&g->ty.ht_type); |
d7ab1bab | 992 | return ((PyObject *)g); |
993 | } | |
994 | ||
995 | PyObject *gmac_pywrap(PyObject *cobj, gmac *m, unsigned f) | |
996 | { | |
997 | gmac_pyobj *g; | |
998 | if (!cobj) cobj = gcmac_pywrap((/*unconst*/ gcmac *)GM_CLASS(m)); | |
999 | else Py_INCREF(cobj); | |
df9f8366 | 1000 | g = newtype((PyTypeObject *)cobj, 0, 0); |
828b1388 | 1001 | g->ty.ht_type.tp_basicsize = sizeof(ghash_pyobj); |
24b3d57b MW |
1002 | g->ty.ht_name = PyString_FromFormat("%s(keyed)", m->ops->c->name); |
1003 | g->ty.ht_type.tp_name = PyString_AS_STRING(g->ty.ht_name); | |
1004 | g->ty.ht_type.tp_base = gmhash_pytype; | |
d7ab1bab | 1005 | Py_INCREF(gmac_pytype); |
24b3d57b MW |
1006 | g->ty.ht_type.tp_flags = (Py_TPFLAGS_DEFAULT | |
1007 | Py_TPFLAGS_BASETYPE | | |
1008 | Py_TPFLAGS_HEAPTYPE); | |
1009 | g->ty.ht_type.tp_alloc = PyType_GenericAlloc; | |
1010 | g->ty.ht_type.tp_free = 0; | |
1011 | g->ty.ht_type.tp_new = gmhash_pynew; | |
dc075750 | 1012 | typeready(&g->ty.ht_type); |
d7ab1bab | 1013 | g->m = m; |
1014 | g->f = f; | |
b2687a0a | 1015 | return ((PyObject *)g); |
d7ab1bab | 1016 | } |
1017 | ||
1018 | static void gmac_pydealloc(PyObject *me) | |
1019 | { | |
1020 | if (GMAC_F(me) & f_freeme) | |
1021 | GM_DESTROY(GMAC_M(me)); | |
1022 | Py_DECREF(me->ob_type); | |
d7ab1bab | 1023 | PyType_Type.tp_dealloc(me); |
1024 | } | |
1025 | ||
1026 | static PyObject *gcmget_name(PyObject *me, void *hunoz) | |
1027 | { return (PyString_FromString(GCMAC_CM(me)->name)); } | |
1028 | ||
1029 | static PyObject *gcmget_keysz(PyObject *me, void *hunoz) | |
1030 | { return (keysz_pywrap(GCMAC_CM(me)->keysz)); } | |
1031 | ||
1032 | static PyObject *gcmget_tagsz(PyObject *me, void *hunoz) | |
1033 | { return (PyInt_FromLong(GCMAC_CM(me)->hashsz)); } | |
1034 | ||
1035 | static PyGetSetDef gcmac_pygetset[] = { | |
1036 | #define GETSETNAME(op, name) gcm##op##_##name | |
1037 | GET (keysz, "CM.keysz -> acceptable key sizes") | |
1038 | GET (tagsz, "CM.tagsz -> MAC output size") | |
1039 | GET (name, "CM.name -> name of this kind of MAC") | |
1040 | #undef GETSETNAME | |
1041 | { 0 } | |
1042 | }; | |
1043 | ||
1044 | static PyTypeObject gcmac_pytype_skel = { | |
6d4db0bf | 1045 | PyObject_HEAD_INIT(0) 0, /* Header */ |
c461c9b3 | 1046 | "GCMAC", /* @tp_name@ */ |
d7ab1bab | 1047 | sizeof(gchash_pyobj), /* @tp_basicsize@ */ |
1048 | 0, /* @tp_itemsize@ */ | |
1049 | ||
1050 | 0, /* @tp_dealloc@ */ | |
1051 | 0, /* @tp_print@ */ | |
1052 | 0, /* @tp_getattr@ */ | |
1053 | 0, /* @tp_setattr@ */ | |
1054 | 0, /* @tp_compare@ */ | |
1055 | 0, /* @tp_repr@ */ | |
1056 | 0, /* @tp_as_number@ */ | |
1057 | 0, /* @tp_as_sequence@ */ | |
1058 | 0, /* @tp_as_mapping@ */ | |
1059 | 0, /* @tp_hash@ */ | |
1060 | 0, /* @tp_call@ */ | |
1061 | 0, /* @tp_str@ */ | |
1062 | 0, /* @tp_getattro@ */ | |
1063 | 0, /* @tp_setattro@ */ | |
1064 | 0, /* @tp_as_buffer@ */ | |
1065 | Py_TPFLAGS_DEFAULT | /* @tp_flags@ */ | |
1066 | Py_TPFLAGS_BASETYPE, | |
1067 | ||
1068 | /* @tp_doc@ */ | |
1069 | "Message authentication code metametaclass.", | |
1070 | ||
1071 | 0, /* @tp_traverse@ */ | |
1072 | 0, /* @tp_clear@ */ | |
1073 | 0, /* @tp_richcompare@ */ | |
1074 | 0, /* @tp_weaklistoffset@ */ | |
1075 | 0, /* @tp_iter@ */ | |
963a6148 | 1076 | 0, /* @tp_iternext@ */ |
d7ab1bab | 1077 | 0, /* @tp_methods@ */ |
1078 | 0, /* @tp_members@ */ | |
1079 | gcmac_pygetset, /* @tp_getset@ */ | |
1080 | 0, /* @tp_base@ */ | |
1081 | 0, /* @tp_dict@ */ | |
1082 | 0, /* @tp_descr_get@ */ | |
1083 | 0, /* @tp_descr_set@ */ | |
1084 | 0, /* @tp_dictoffset@ */ | |
1085 | 0, /* @tp_init@ */ | |
1086 | PyType_GenericAlloc, /* @tp_alloc@ */ | |
1087 | abstract_pynew, /* @tp_new@ */ | |
3aa33042 | 1088 | 0, /* @tp_free@ */ |
d7ab1bab | 1089 | 0 /* @tp_is_gc@ */ |
1090 | }; | |
1091 | ||
1092 | static PyTypeObject gmac_pytype_skel = { | |
6d4db0bf | 1093 | PyObject_HEAD_INIT(0) 0, /* Header */ |
c461c9b3 | 1094 | "GMAC", /* @tp_name@ */ |
d7ab1bab | 1095 | sizeof(gmac_pyobj), /* @tp_basicsize@ */ |
1096 | 0, /* @tp_itemsize@ */ | |
1097 | ||
1098 | gmac_pydealloc, /* @tp_dealloc@ */ | |
1099 | 0, /* @tp_print@ */ | |
1100 | 0, /* @tp_getattr@ */ | |
1101 | 0, /* @tp_setattr@ */ | |
1102 | 0, /* @tp_compare@ */ | |
1103 | 0, /* @tp_repr@ */ | |
1104 | 0, /* @tp_as_number@ */ | |
1105 | 0, /* @tp_as_sequence@ */ | |
1106 | 0, /* @tp_as_mapping@ */ | |
1107 | 0, /* @tp_hash@ */ | |
1108 | 0, /* @tp_call@ */ | |
1109 | 0, /* @tp_str@ */ | |
1110 | 0, /* @tp_getattro@ */ | |
1111 | 0, /* @tp_setattro@ */ | |
1112 | 0, /* @tp_as_buffer@ */ | |
1113 | Py_TPFLAGS_DEFAULT | /* @tp_flags@ */ | |
1114 | Py_TPFLAGS_BASETYPE, | |
1115 | ||
1116 | /* @tp_doc@ */ | |
1117 | "Message authentication code metaclass, abstract base class.", | |
1118 | ||
1119 | 0, /* @tp_traverse@ */ | |
1120 | 0, /* @tp_clear@ */ | |
1121 | 0, /* @tp_richcompare@ */ | |
1122 | 0, /* @tp_weaklistoffset@ */ | |
1123 | 0, /* @tp_iter@ */ | |
963a6148 | 1124 | 0, /* @tp_iternext@ */ |
d7ab1bab | 1125 | 0, /* @tp_methods@ */ |
1126 | 0, /* @tp_members@ */ | |
1127 | 0, /* @tp_getset@ */ | |
1128 | 0, /* @tp_base@ */ | |
1129 | 0, /* @tp_dict@ */ | |
1130 | 0, /* @tp_descr_get@ */ | |
1131 | 0, /* @tp_descr_set@ */ | |
1132 | 0, /* @tp_dictoffset@ */ | |
1133 | 0, /* @tp_init@ */ | |
1134 | PyType_GenericAlloc, /* @tp_alloc@ */ | |
1135 | abstract_pynew, /* @tp_new@ */ | |
3aa33042 | 1136 | 0, /* @tp_free@ */ |
d7ab1bab | 1137 | 0 /* @tp_is_gc@ */ |
1138 | }; | |
1139 | ||
1140 | static PyTypeObject gmhash_pytype_skel = { | |
6d4db0bf | 1141 | PyObject_HEAD_INIT(0) 0, /* Header */ |
c461c9b3 | 1142 | "GMACHash", /* @tp_name@ */ |
d7ab1bab | 1143 | sizeof(ghash_pyobj), /* @tp_basicsize@ */ |
1144 | 0, /* @tp_itemsize@ */ | |
1145 | ||
1146 | ghash_pydealloc, /* @tp_dealloc@ */ | |
1147 | 0, /* @tp_print@ */ | |
1148 | 0, /* @tp_getattr@ */ | |
1149 | 0, /* @tp_setattr@ */ | |
1150 | 0, /* @tp_compare@ */ | |
1151 | 0, /* @tp_repr@ */ | |
1152 | 0, /* @tp_as_number@ */ | |
1153 | 0, /* @tp_as_sequence@ */ | |
1154 | 0, /* @tp_as_mapping@ */ | |
1155 | 0, /* @tp_hash@ */ | |
1156 | 0, /* @tp_call@ */ | |
1157 | 0, /* @tp_str@ */ | |
1158 | 0, /* @tp_getattro@ */ | |
1159 | 0, /* @tp_setattro@ */ | |
1160 | 0, /* @tp_as_buffer@ */ | |
1161 | Py_TPFLAGS_DEFAULT | /* @tp_flags@ */ | |
1162 | Py_TPFLAGS_BASETYPE, | |
1163 | ||
1164 | /* @tp_doc@ */ | |
1165 | "Message authentication code, abstract base class.", | |
1166 | ||
1167 | 0, /* @tp_traverse@ */ | |
1168 | 0, /* @tp_clear@ */ | |
1169 | 0, /* @tp_richcompare@ */ | |
1170 | 0, /* @tp_weaklistoffset@ */ | |
1171 | 0, /* @tp_iter@ */ | |
963a6148 | 1172 | 0, /* @tp_iternext@ */ |
d7ab1bab | 1173 | 0, /* @tp_methods@ */ |
1174 | 0, /* @tp_members@ */ | |
1175 | 0, /* @tp_getset@ */ | |
1176 | 0, /* @tp_base@ */ | |
1177 | 0, /* @tp_dict@ */ | |
1178 | 0, /* @tp_descr_get@ */ | |
1179 | 0, /* @tp_descr_set@ */ | |
1180 | 0, /* @tp_dictoffset@ */ | |
1181 | 0, /* @tp_init@ */ | |
1182 | PyType_GenericAlloc, /* @tp_alloc@ */ | |
1183 | abstract_pynew, /* @tp_new@ */ | |
3aa33042 | 1184 | 0, /* @tp_free@ */ |
d7ab1bab | 1185 | 0 /* @tp_is_gc@ */ |
1186 | }; | |
1187 | ||
204d480b MW |
1188 | /*----- Special snowflake for Poly1305 ------------------------------------*/ |
1189 | ||
1190 | PyTypeObject *poly1305cls_pytype, *poly1305key_pytype, *poly1305hash_pytype; | |
1191 | ||
1192 | typedef struct poly1305key_pyobj { | |
1193 | PyHeapTypeObject ty; | |
1194 | poly1305_key k; | |
1195 | } poly1305key_pyobj; | |
1196 | ||
1197 | typedef struct poly1305hash_pyobj { | |
1198 | PyObject_HEAD | |
1199 | unsigned f; | |
1200 | #define f_mask 1u | |
1201 | poly1305_ctx ctx; | |
1202 | } poly1305hash_pyobj; | |
1203 | ||
1204 | #define P1305_F(o) (((poly1305hash_pyobj *)(o))->f) | |
1205 | #define P1305_CTX(o) (&((poly1305hash_pyobj *)(o))->ctx) | |
1206 | CONVFUNC(poly1305hash, poly1305_ctx *, P1305_CTX) | |
1207 | ||
1208 | static PyObject *poly1305hash_pynew(PyTypeObject *ty, | |
1209 | PyObject *arg, PyObject *kw) | |
1210 | { | |
1211 | char *kwlist[] = { "mask", 0 }; | |
1212 | poly1305key_pyobj *pk = (poly1305key_pyobj *)ty; | |
1213 | poly1305hash_pyobj *ph; | |
1214 | char *m = 0; | |
6b54260d | 1215 | Py_ssize_t sz; |
204d480b MW |
1216 | |
1217 | if (!PyArg_ParseTupleAndKeywords(arg, kw, "|s#:new", kwlist, &m, &sz)) | |
1218 | return (0); | |
1219 | if (m && sz != POLY1305_MASKSZ) VALERR("bad mask length"); | |
1220 | ph = PyObject_NEW(poly1305hash_pyobj, ty); | |
1221 | ph->f = 0; | |
1222 | if (m) ph->f |= f_mask; | |
1223 | poly1305_macinit(&ph->ctx, &pk->k, m); | |
1224 | Py_INCREF(ty); | |
1225 | return ((PyObject *)ph); | |
1226 | end: | |
1227 | return (0); | |
1228 | } | |
1229 | ||
1230 | static PyObject *poly1305key_pynew(PyTypeObject *ty, | |
1231 | PyObject *arg, PyObject *kw) | |
1232 | { | |
1233 | char *kwlist[] = { "k", 0 }; | |
1234 | poly1305key_pyobj *pk; | |
1235 | char *k; | |
6b54260d | 1236 | Py_ssize_t sz; |
204d480b MW |
1237 | |
1238 | if (!PyArg_ParseTupleAndKeywords(arg, kw, "s#:new", kwlist, &k, &sz)) | |
1239 | goto end; | |
1240 | if (keysz(sz, poly1305_keysz) != sz) VALERR("bad key length"); | |
1241 | ||
1242 | pk = newtype(ty, 0, 0); | |
1243 | pk->ty.ht_name = PyString_FromString("poly1305(keyed)"); | |
1244 | pk->ty.ht_type.tp_basicsize = sizeof(poly1305hash_pyobj); | |
1245 | pk->ty.ht_type.tp_name = PyString_AS_STRING(pk->ty.ht_name); | |
1246 | pk->ty.ht_type.tp_base = poly1305hash_pytype; | |
1247 | Py_INCREF(poly1305key_pytype); | |
1248 | pk->ty.ht_type.tp_flags = (Py_TPFLAGS_DEFAULT | | |
1249 | Py_TPFLAGS_BASETYPE | | |
1250 | Py_TPFLAGS_HEAPTYPE); | |
1251 | pk->ty.ht_type.tp_alloc = PyType_GenericAlloc; | |
1252 | pk->ty.ht_type.tp_free = 0; | |
1253 | pk->ty.ht_type.tp_new = poly1305hash_pynew; | |
1254 | typeready(&pk->ty.ht_type); | |
1255 | ||
1256 | poly1305_keyinit(&pk->k, k, sz); | |
1257 | return ((PyObject *)pk); | |
1258 | ||
1259 | end: | |
1260 | return (0); | |
1261 | } | |
1262 | ||
1263 | static PyObject *poly1305clsget_name(PyObject *me, void *hunoz) | |
1264 | { return (PyString_FromString("poly1305")); } | |
1265 | ||
1266 | static PyObject *poly1305clsget_keysz(PyObject *me, void *hunoz) | |
1267 | { return (keysz_pywrap(poly1305_keysz)); } | |
1268 | ||
1269 | static PyObject *poly1305clsget_masksz(PyObject *me, void *hunoz) | |
1270 | { return (PyInt_FromLong(POLY1305_MASKSZ)); } | |
1271 | ||
1272 | static PyObject *poly1305clsget_tagsz(PyObject *me, void *hunoz) | |
1273 | { return (PyInt_FromLong(POLY1305_TAGSZ)); } | |
1274 | ||
1275 | static PyObject *polymeth_copy(PyObject *me, PyObject *arg) | |
1276 | { | |
1277 | poly1305hash_pyobj *ph; | |
1278 | if (!PyArg_ParseTuple(arg, ":copy")) return (0); | |
1279 | ph = PyObject_NEW(poly1305hash_pyobj, me->ob_type); | |
1280 | poly1305_copy(&ph->ctx, P1305_CTX(me)); | |
1281 | Py_INCREF(me->ob_type); | |
1282 | return ((PyObject *)ph); | |
1283 | } | |
1284 | ||
1285 | static PyObject *polymeth_hash(PyObject *me, PyObject *arg) | |
1286 | { | |
1287 | char *p; | |
6b54260d | 1288 | Py_ssize_t sz; |
204d480b MW |
1289 | if (!PyArg_ParseTuple(arg, "s#:hash", &p, &sz)) return (0); |
1290 | poly1305_hash(P1305_CTX(me), p, sz); | |
1291 | RETURN_ME; | |
1292 | } | |
1293 | ||
1294 | #define POLYMETH_HASHU_(n, W, w) \ | |
1295 | static PyObject *polymeth_hashu##w(PyObject *me, PyObject *arg) \ | |
1296 | { \ | |
1297 | uint##n x; \ | |
1298 | octet b[SZ_##W]; \ | |
1299 | if (!PyArg_ParseTuple(arg, "O&:hashu" #w, convu##n, &x)) goto end; \ | |
0c87e818 | 1300 | STORE##W(b, x); poly1305_hash(P1305_CTX(me), b, sizeof(b)); \ |
204d480b MW |
1301 | RETURN_ME; \ |
1302 | end: \ | |
1303 | return (0); \ | |
1304 | } | |
1305 | DOUINTCONV(POLYMETH_HASHU_) | |
1306 | ||
1307 | #define POLYMETH_HASHBUF_(n, W, w) \ | |
1308 | static PyObject *polymeth_hashbuf##w(PyObject *me, PyObject *arg) \ | |
1309 | { \ | |
1310 | char *p; \ | |
6b54260d | 1311 | Py_ssize_t sz; \ |
204d480b MW |
1312 | octet b[SZ_##W]; \ |
1313 | if (!PyArg_ParseTuple(arg, "s#:hashbuf" #w, &p, &sz)) goto end; \ | |
1314 | if (sz > MASK##n) TYERR("string too long"); \ | |
0c87e818 | 1315 | STORE##W(b, sz); poly1305_hash(P1305_CTX(me), b, sizeof(b)); \ |
204d480b MW |
1316 | poly1305_hash(P1305_CTX(me), p, sz); \ |
1317 | RETURN_ME; \ | |
1318 | end: \ | |
1319 | return (0); \ | |
1320 | } | |
1321 | DOUINTCONV(POLYMETH_HASHBUF_) | |
1322 | ||
1323 | static PyObject *polymeth_hashstrz(PyObject *me, PyObject *arg) | |
1324 | { | |
1325 | char *p; | |
1326 | if (!PyArg_ParseTuple(arg, "s:hashstrz", &p)) return (0); | |
1327 | poly1305_hash(P1305_CTX(me), p, strlen(p) + 1); | |
1328 | RETURN_ME; | |
1329 | } | |
1330 | ||
1331 | static PyObject *polymeth_flush(PyObject *me, PyObject *arg) | |
1332 | { | |
1333 | if (!PyArg_ParseTuple(arg, ":flush")) return (0); | |
1334 | poly1305_flush(P1305_CTX(me)); | |
1335 | RETURN_ME; | |
1336 | } | |
1337 | ||
5c17375a MW |
1338 | static PyObject *polymeth_flushzero(PyObject *me, PyObject *arg) |
1339 | { | |
1340 | if (!PyArg_ParseTuple(arg, ":flushzero")) return (0); | |
1341 | poly1305_flushzero(P1305_CTX(me)); | |
1342 | RETURN_ME; | |
1343 | } | |
1344 | ||
204d480b MW |
1345 | static PyObject *polymeth_concat(PyObject *me, PyObject *arg) |
1346 | { | |
1347 | PyObject *pre, *suff; | |
1348 | if (!PyArg_ParseTuple(arg, "OO:concat", &pre, &suff)) return (0); | |
1349 | if (!PyObject_TypeCheck(pre, poly1305hash_pytype) || | |
1350 | !PyObject_TypeCheck(suff, poly1305hash_pytype)) | |
1351 | TYERR("wanted a poly1305hash"); | |
1352 | if (me->ob_type != pre->ob_type || me->ob_type != suff->ob_type) | |
1353 | TYERR("key mismatch"); | |
1354 | if (P1305_CTX(pre)->nbuf) VALERR("prefix is not block-aligned"); | |
1355 | poly1305_concat(P1305_CTX(me), P1305_CTX(pre), P1305_CTX(suff)); | |
1356 | RETURN_ME; | |
1357 | end: | |
1358 | return (0); | |
1359 | } | |
1360 | ||
1361 | static PyObject *polymeth_done(PyObject *me, PyObject *arg) | |
1362 | { | |
1363 | PyObject *rc; | |
1364 | if (!PyArg_ParseTuple(arg, ":done")) return (0); | |
1365 | if (!(P1305_F(me) & f_mask)) VALERR("no mask"); | |
1366 | rc = bytestring_pywrap(0, POLY1305_TAGSZ); | |
1367 | poly1305_done(P1305_CTX(me), PyString_AS_STRING(rc)); | |
1368 | return (rc); | |
1369 | end: | |
1370 | return (0); | |
1371 | } | |
1372 | ||
1373 | static PyGetSetDef poly1305cls_pygetset[] = { | |
1374 | #define GETSETNAME(op, name) poly1305cls##op##_##name | |
1375 | GET (keysz, "PC.keysz -> acceptable key sizes") | |
1376 | GET (masksz, "PC.masksz -> mask size") | |
1377 | GET (tagsz, "PC.tagsz -> MAC output size") | |
1378 | GET (name, "PC.name -> name of this kind of MAC") | |
1379 | #undef GETSETNAME | |
1380 | { 0 } | |
1381 | }; | |
1382 | ||
1383 | static PyMethodDef poly1305hash_pymethods[] = { | |
1384 | #define METHNAME(name) polymeth_##name | |
1385 | METH (copy, "P.copy() -> PP") | |
1386 | METH (hash, "P.hash(M)") | |
1387 | #define METHU_(n, W, w) METH(hashu##w, "P.hashu" #w "(WORD)") | |
1388 | DOUINTCONV(METHU_) | |
1389 | #undef METHU_ | |
1390 | #define METHBUF_(n, W, w) METH(hashbuf##w, "P.hashbuf" #w "(BYTES)") | |
1391 | DOUINTCONV(METHBUF_) | |
1392 | #undef METHBUF_ | |
1393 | METH (hashstrz, "P.hashstrz(STRING)") | |
1394 | METH (flush, "P.flush()") | |
5c17375a | 1395 | METH (flushzero, "P.flushzero()") |
204d480b MW |
1396 | METH (concat, "P.concat(PREFIX, SUFFIX)") |
1397 | METH (done, "P.done() -> TAG") | |
1398 | #undef METHNAME | |
1399 | { 0 } | |
1400 | }; | |
1401 | ||
1402 | static PyTypeObject poly1305cls_pytype_skel = { | |
1403 | PyObject_HEAD_INIT(0) 0, /* Header */ | |
1404 | "Poly1305Class", /* @tp_name@ */ | |
1405 | sizeof(PyHeapTypeObject), /* @tp_basicsize@ */ | |
1406 | 0, /* @tp_itemsize@ */ | |
1407 | ||
1408 | 0, /* @tp_dealloc@ */ | |
1409 | 0, /* @tp_print@ */ | |
1410 | 0, /* @tp_getattr@ */ | |
1411 | 0, /* @tp_setattr@ */ | |
1412 | 0, /* @tp_compare@ */ | |
1413 | 0, /* @tp_repr@ */ | |
1414 | 0, /* @tp_as_number@ */ | |
1415 | 0, /* @tp_as_sequence@ */ | |
1416 | 0, /* @tp_as_mapping@ */ | |
1417 | 0, /* @tp_hash@ */ | |
1418 | 0, /* @tp_call@ */ | |
1419 | 0, /* @tp_str@ */ | |
1420 | 0, /* @tp_getattro@ */ | |
1421 | 0, /* @tp_setattro@ */ | |
1422 | 0, /* @tp_as_buffer@ */ | |
1423 | Py_TPFLAGS_DEFAULT | /* @tp_flags@ */ | |
1424 | Py_TPFLAGS_BASETYPE, | |
1425 | ||
1426 | /* @tp_doc@ */ | |
1427 | "Poly1305 metametaclass. Best not to ask.", | |
1428 | ||
1429 | 0, /* @tp_traverse@ */ | |
1430 | 0, /* @tp_clear@ */ | |
1431 | 0, /* @tp_richcompare@ */ | |
1432 | 0, /* @tp_weaklistoffset@ */ | |
1433 | 0, /* @tp_iter@ */ | |
1434 | 0, /* @tp_iternext@ */ | |
1435 | 0, /* @tp_methods@ */ | |
1436 | 0, /* @tp_members@ */ | |
1437 | poly1305cls_pygetset, /* @tp_getset@ */ | |
1438 | 0, /* @tp_base@ */ | |
1439 | 0, /* @tp_dict@ */ | |
1440 | 0, /* @tp_descr_get@ */ | |
1441 | 0, /* @tp_descr_set@ */ | |
1442 | 0, /* @tp_dictoffset@ */ | |
1443 | 0, /* @tp_init@ */ | |
1444 | PyType_GenericAlloc, /* @tp_alloc@ */ | |
1445 | abstract_pynew, /* @tp_new@ */ | |
1446 | 0, /* @tp_free@ */ | |
1447 | 0 /* @tp_is_gc@ */ | |
1448 | }; | |
1449 | ||
1450 | static PyTypeObject poly1305key_pytype_skel = { | |
1451 | PyObject_HEAD_INIT(0) 0, /* Header */ | |
1452 | "poly1305", /* @tp_name@ */ | |
1453 | sizeof(poly1305key_pyobj), /* @tp_basicsize@ */ | |
1454 | 0, /* @tp_itemsize@ */ | |
1455 | ||
1456 | 0, /* @tp_dealloc@ */ | |
1457 | 0, /* @tp_print@ */ | |
1458 | 0, /* @tp_getattr@ */ | |
1459 | 0, /* @tp_setattr@ */ | |
1460 | 0, /* @tp_compare@ */ | |
1461 | 0, /* @tp_repr@ */ | |
1462 | 0, /* @tp_as_number@ */ | |
1463 | 0, /* @tp_as_sequence@ */ | |
1464 | 0, /* @tp_as_mapping@ */ | |
1465 | 0, /* @tp_hash@ */ | |
1466 | 0, /* @tp_call@ */ | |
1467 | 0, /* @tp_str@ */ | |
1468 | 0, /* @tp_getattro@ */ | |
1469 | 0, /* @tp_setattro@ */ | |
1470 | 0, /* @tp_as_buffer@ */ | |
1471 | Py_TPFLAGS_DEFAULT | /* @tp_flags@ */ | |
1472 | Py_TPFLAGS_BASETYPE, | |
1473 | ||
1474 | /* @tp_doc@ */ | |
1475 | "Poly1305 key.", | |
1476 | ||
1477 | 0, /* @tp_traverse@ */ | |
1478 | 0, /* @tp_clear@ */ | |
1479 | 0, /* @tp_richcompare@ */ | |
1480 | 0, /* @tp_weaklistoffset@ */ | |
1481 | 0, /* @tp_iter@ */ | |
1482 | 0, /* @tp_iternext@ */ | |
1483 | 0, /* @tp_methods@ */ | |
1484 | 0, /* @tp_members@ */ | |
1485 | 0, /* @tp_getset@ */ | |
1486 | 0, /* @tp_base@ */ | |
1487 | 0, /* @tp_dict@ */ | |
1488 | 0, /* @tp_descr_get@ */ | |
1489 | 0, /* @tp_descr_set@ */ | |
1490 | 0, /* @tp_dictoffset@ */ | |
1491 | 0, /* @tp_init@ */ | |
1492 | PyType_GenericAlloc, /* @tp_alloc@ */ | |
1493 | poly1305key_pynew, /* @tp_new@ */ | |
1494 | 0, /* @tp_free@ */ | |
1495 | 0 /* @tp_is_gc@ */ | |
1496 | }; | |
1497 | ||
1498 | static PyTypeObject poly1305hash_pytype_skel = { | |
1499 | PyObject_HEAD_INIT(0) 0, /* Header */ | |
1500 | "Poly1305Hash", /* @tp_name@ */ | |
1501 | sizeof(poly1305hash_pyobj), /* @tp_basicsize@ */ | |
1502 | 0, /* @tp_itemsize@ */ | |
1503 | ||
1504 | 0, /* @tp_dealloc@ */ | |
1505 | 0, /* @tp_print@ */ | |
1506 | 0, /* @tp_getattr@ */ | |
1507 | 0, /* @tp_setattr@ */ | |
1508 | 0, /* @tp_compare@ */ | |
1509 | 0, /* @tp_repr@ */ | |
1510 | 0, /* @tp_as_number@ */ | |
1511 | 0, /* @tp_as_sequence@ */ | |
1512 | 0, /* @tp_as_mapping@ */ | |
1513 | 0, /* @tp_hash@ */ | |
1514 | 0, /* @tp_call@ */ | |
1515 | 0, /* @tp_str@ */ | |
1516 | 0, /* @tp_getattro@ */ | |
1517 | 0, /* @tp_setattro@ */ | |
1518 | 0, /* @tp_as_buffer@ */ | |
1519 | Py_TPFLAGS_DEFAULT | /* @tp_flags@ */ | |
1520 | Py_TPFLAGS_BASETYPE, | |
1521 | ||
1522 | /* @tp_doc@ */ | |
1523 | "Poly1305 MAC context base class.", | |
1524 | ||
1525 | 0, /* @tp_traverse@ */ | |
1526 | 0, /* @tp_clear@ */ | |
1527 | 0, /* @tp_richcompare@ */ | |
1528 | 0, /* @tp_weaklistoffset@ */ | |
1529 | 0, /* @tp_iter@ */ | |
1530 | 0, /* @tp_iternext@ */ | |
1531 | poly1305hash_pymethods, /* @tp_methods@ */ | |
1532 | 0, /* @tp_members@ */ | |
1533 | 0, /* @tp_getset@ */ | |
1534 | 0, /* @tp_base@ */ | |
1535 | 0, /* @tp_dict@ */ | |
1536 | 0, /* @tp_descr_get@ */ | |
1537 | 0, /* @tp_descr_set@ */ | |
1538 | 0, /* @tp_dictoffset@ */ | |
1539 | 0, /* @tp_init@ */ | |
1540 | PyType_GenericAlloc, /* @tp_alloc@ */ | |
1541 | abstract_pynew, /* @tp_new@ */ | |
1542 | 0, /* @tp_free@ */ | |
1543 | 0 /* @tp_is_gc@ */ | |
1544 | }; | |
1545 | ||
a75e68c9 MW |
1546 | /*----- Special snowflake for HSalsa and HChaCha --------------------------*/ |
1547 | ||
1548 | #define DEF_HDANCE(DANCE, HDANCE, dance, hdance) \ | |
1549 | static PyObject *meth_##hdance##_prf(PyObject *me, PyObject *arg) \ | |
1550 | { \ | |
1551 | dance##_ctx dance; \ | |
1552 | char *k, *n; \ | |
6b54260d | 1553 | Py_ssize_t ksz, nsz; \ |
a75e68c9 MW |
1554 | PyObject *rc; \ |
1555 | if (!PyArg_ParseTuple(arg, "s#s#:" #hdance "_prf", \ | |
1556 | &k, &ksz, &n, &nsz)) \ | |
1557 | goto end; \ | |
1558 | if (ksz != DANCE##_KEYSZ) VALERR("bad key length"); \ | |
1559 | if (nsz != HDANCE##_INSZ) VALERR("bad input length"); \ | |
1560 | rc = bytestring_pywrap(0, HSALSA20_OUTSZ); \ | |
1561 | dance##_init(&dance, k, ksz, 0); \ | |
1562 | hdance##_prf(&dance, n, PyString_AS_STRING(rc)); \ | |
1563 | return (rc); \ | |
1564 | end: \ | |
1565 | return (0); \ | |
1566 | } | |
1567 | ||
1568 | DEF_HDANCE(SALSA20, HSALSA20, salsa20, hsalsa20) | |
1569 | DEF_HDANCE(SALSA20, HSALSA20, salsa20, hsalsa2012) | |
1570 | DEF_HDANCE(SALSA20, HSALSA20, salsa20, hsalsa208) | |
1571 | ||
1572 | DEF_HDANCE(CHACHA, HCHACHA, chacha, hchacha20) | |
1573 | DEF_HDANCE(CHACHA, HCHACHA, chacha, hchacha12) | |
1574 | DEF_HDANCE(CHACHA, HCHACHA, chacha, hchacha8) | |
204d480b | 1575 | |
03ed9abb MW |
1576 | /*----- Pseudorandom permutations -----------------------------------------*/ |
1577 | ||
1578 | static PyTypeObject *gcprp_pytype, *gprp_pytype; | |
1579 | ||
1580 | typedef struct prpinfo { | |
1581 | const char *name; | |
1582 | const octet *keysz; | |
1583 | size_t ctxsz; | |
1584 | size_t blksz; | |
1585 | void (*init)(void *, const void *, size_t); | |
1586 | void (*eblk)(void *, const void *, void *); | |
1587 | void (*dblk)(void *, const void *, void *); | |
1588 | } prpinfo; | |
1589 | ||
1590 | #define PRP_DEF(PRE, pre) \ | |
1591 | static void pre##_prpinit(void *ctx, const void *k, size_t ksz) \ | |
1592 | { pre##_init(ctx, k, ksz); } \ | |
1593 | static void pre##_prpeblk(void *ctx, const void *in, void *out) \ | |
1594 | { \ | |
1595 | uint32 w[PRE##_BLKSZ/4]; BLKC_LOAD(PRE, w, in); \ | |
1596 | pre##_eblk(ctx, w, w); BLKC_STORE(PRE, out, w); \ | |
1597 | } \ | |
1598 | static void pre##_prpdblk(void *ctx, const void *in, void *out) \ | |
1599 | { \ | |
1600 | uint32 w[PRE##_BLKSZ/4]; BLKC_LOAD(PRE, w, in); \ | |
1601 | pre##_dblk(ctx, w, w); BLKC_STORE(PRE, out, w); \ | |
1602 | } \ | |
1603 | static const prpinfo pre##_prpinfo = { \ | |
1604 | #pre, pre##_keysz, sizeof(pre##_ctx), PRE##_BLKSZ, \ | |
1605 | pre##_prpinit, pre##_prpeblk, pre##_prpdblk \ | |
1606 | }; | |
1607 | PRPS(PRP_DEF) | |
1608 | ||
1609 | static const struct prpinfo *const gprptab[] = { | |
1610 | #define PRP_ENTRY(PRE, pre) &pre##_prpinfo, | |
1611 | PRPS(PRP_ENTRY) | |
1612 | 0 | |
b2687a0a | 1613 | }; |
03ed9abb MW |
1614 | |
1615 | typedef struct gcprp_pyobj { | |
1616 | PyHeapTypeObject ty; | |
1617 | const prpinfo *prp; | |
1618 | } gcprp_pyobj; | |
1619 | #define GCPRP_PRP(o) (((gcprp_pyobj *)(o))->prp) | |
1620 | ||
1621 | typedef struct gprp_pyobj { | |
1622 | PyObject_HEAD | |
1623 | const prpinfo *prp; | |
1624 | } gprp_pyobj; | |
1625 | #define GPRP_PRP(o) (((gprp_pyobj *)(o))->prp) | |
1626 | #define GPRP_CTX(o) (((gprp_pyobj *)(o)) + 1) | |
1627 | ||
1628 | typedef struct prp { | |
1629 | const prpinfo *prp; | |
1630 | void *ctx; | |
1631 | } prp; | |
1632 | ||
1633 | static PyObject *gprp_pynew(PyTypeObject *ty, PyObject *arg, PyObject *kw) | |
1634 | { | |
1635 | char *kwlist[] = { "key", 0 }; | |
1636 | char *k; | |
6b54260d | 1637 | Py_ssize_t sz; |
03ed9abb MW |
1638 | const prpinfo *prp = GCPRP_PRP(ty); |
1639 | PyObject *me; | |
1640 | ||
1641 | if (!PyArg_ParseTupleAndKeywords(arg, kw, "s#:new", kwlist, &k, &sz)) | |
1642 | goto end; | |
1643 | if (keysz(sz, prp->keysz) != sz) VALERR("bad key length"); | |
1644 | me = (PyObject *)ty->tp_alloc(ty, 0); | |
1645 | GPRP_PRP(me) = prp; | |
1646 | prp->init(GPRP_CTX(me), k, sz); | |
1647 | Py_INCREF(me); | |
1648 | return (me); | |
1649 | end: | |
b2687a0a | 1650 | return (0); |
03ed9abb MW |
1651 | } |
1652 | ||
1653 | static void gprp_pydealloc(PyObject *me) | |
1654 | { Py_DECREF(me->ob_type); FREEOBJ(me); } | |
1655 | ||
1656 | static PyObject *gcprp_pywrap(const prpinfo *prp) | |
1657 | { | |
1658 | gcprp_pyobj *g = newtype(gcprp_pytype, 0, prp->name); | |
1659 | g->prp = prp; | |
24b3d57b MW |
1660 | g->ty.ht_type.tp_basicsize = sizeof(gprp_pyobj) + prp->ctxsz; |
1661 | g->ty.ht_type.tp_base = gprp_pytype; | |
03ed9abb | 1662 | Py_INCREF(gprp_pytype); |
24b3d57b MW |
1663 | g->ty.ht_type.tp_flags = (Py_TPFLAGS_DEFAULT | |
1664 | Py_TPFLAGS_BASETYPE | | |
1665 | Py_TPFLAGS_HEAPTYPE); | |
1666 | g->ty.ht_type.tp_alloc = PyType_GenericAlloc; | |
1667 | g->ty.ht_type.tp_free = 0; | |
1668 | g->ty.ht_type.tp_new = gprp_pynew; | |
dc075750 | 1669 | typeready(&g->ty.ht_type); |
03ed9abb MW |
1670 | return ((PyObject *)g); |
1671 | } | |
1672 | ||
1673 | static PyObject *gcpget_name(PyObject *me, void *hunoz) | |
1674 | { return (PyString_FromString(GCPRP_PRP(me)->name)); } | |
1675 | static PyObject *gcpget_keysz(PyObject *me, void *hunoz) | |
1676 | { return (keysz_pywrap(GCPRP_PRP(me)->keysz)); } | |
1677 | static PyObject *gcpget_blksz(PyObject *me, void *hunoz) | |
1678 | { return (PyInt_FromLong(GCPRP_PRP(me)->blksz)); } | |
1679 | ||
1680 | static PyObject *gpmeth_encrypt(PyObject *me, PyObject *arg) | |
1681 | { | |
1682 | char *p; | |
6b54260d | 1683 | Py_ssize_t n; |
03ed9abb MW |
1684 | PyObject *rc = 0; |
1685 | ||
1686 | if (!PyArg_ParseTuple(arg, "s#:encrypt", &p, &n)) goto end; | |
1687 | if (n != GPRP_PRP(me)->blksz) VALERR("incorrect block length"); | |
1688 | rc = bytestring_pywrap(0, n); | |
1689 | GPRP_PRP(me)->eblk(GPRP_CTX(me), p, PyString_AS_STRING(rc)); | |
1690 | end: | |
1691 | return (rc); | |
1692 | } | |
1693 | ||
1694 | static PyObject *gpmeth_decrypt(PyObject *me, PyObject *arg) | |
1695 | { | |
1696 | char *p; | |
6b54260d | 1697 | Py_ssize_t n; |
03ed9abb MW |
1698 | PyObject *rc = 0; |
1699 | ||
1700 | if (!PyArg_ParseTuple(arg, "s#:decrypt", &p, &n)) goto end; | |
1701 | if (n != GPRP_PRP(me)->blksz) VALERR("incorrect block length"); | |
1702 | rc = bytestring_pywrap(0, n); | |
1703 | GPRP_PRP(me)->dblk(GPRP_CTX(me), p, PyString_AS_STRING(rc)); | |
1704 | end: | |
1705 | return (rc); | |
1706 | } | |
1707 | ||
1708 | static PyGetSetDef gcprp_pygetset[] = { | |
1709 | #define GETSETNAME(op, name) gcp##op##_##name | |
1710 | GET (keysz, "CP.keysz -> acceptable key sizes") | |
1711 | GET (blksz, "CP.blksz -> block size") | |
1712 | GET (name, "CP.name -> name of this kind of PRP") | |
1713 | #undef GETSETNAME | |
1714 | { 0 } | |
1715 | }; | |
1716 | ||
1717 | static PyMethodDef gprp_pymethods[] = { | |
1718 | #define METHNAME(name) gpmeth_##name | |
1719 | METH (encrypt, "P.encrypt(PT) -> CT") | |
1720 | METH (decrypt, "P.decrypt(CT) -> PT") | |
1721 | #undef METHNAME | |
1722 | { 0 } | |
1723 | }; | |
1724 | ||
1725 | static PyTypeObject gcprp_pytype_skel = { | |
1726 | PyObject_HEAD_INIT(0) 0, /* Header */ | |
c461c9b3 | 1727 | "GCPRP", /* @tp_name@ */ |
03ed9abb MW |
1728 | sizeof(gcprp_pyobj), /* @tp_basicsize@ */ |
1729 | 0, /* @tp_itemsize@ */ | |
1730 | ||
1731 | 0, /* @tp_dealloc@ */ | |
1732 | 0, /* @tp_print@ */ | |
1733 | 0, /* @tp_getattr@ */ | |
1734 | 0, /* @tp_setattr@ */ | |
1735 | 0, /* @tp_compare@ */ | |
1736 | 0, /* @tp_repr@ */ | |
1737 | 0, /* @tp_as_number@ */ | |
1738 | 0, /* @tp_as_sequence@ */ | |
1739 | 0, /* @tp_as_mapping@ */ | |
1740 | 0, /* @tp_hash@ */ | |
1741 | 0, /* @tp_call@ */ | |
1742 | 0, /* @tp_str@ */ | |
1743 | 0, /* @tp_getattro@ */ | |
1744 | 0, /* @tp_setattro@ */ | |
1745 | 0, /* @tp_as_buffer@ */ | |
1746 | Py_TPFLAGS_DEFAULT | /* @tp_flags@ */ | |
1747 | Py_TPFLAGS_BASETYPE, | |
1748 | ||
1749 | /* @tp_doc@ */ | |
1750 | "Pseudorandom permutation metaclass.", | |
1751 | ||
1752 | 0, /* @tp_traverse@ */ | |
1753 | 0, /* @tp_clear@ */ | |
1754 | 0, /* @tp_richcompare@ */ | |
1755 | 0, /* @tp_weaklistoffset@ */ | |
1756 | 0, /* @tp_iter@ */ | |
1757 | 0, /* @tp_iternext@ */ | |
1758 | 0, /* @tp_methods@ */ | |
1759 | 0, /* @tp_members@ */ | |
1760 | gcprp_pygetset, /* @tp_getset@ */ | |
1761 | 0, /* @tp_base@ */ | |
1762 | 0, /* @tp_dict@ */ | |
1763 | 0, /* @tp_descr_get@ */ | |
1764 | 0, /* @tp_descr_set@ */ | |
1765 | 0, /* @tp_dictoffset@ */ | |
1766 | 0, /* @tp_init@ */ | |
1767 | PyType_GenericAlloc, /* @tp_alloc@ */ | |
1768 | abstract_pynew, /* @tp_new@ */ | |
1769 | 0, /* @tp_free@ */ | |
1770 | 0 /* @tp_is_gc@ */ | |
1771 | }; | |
1772 | ||
1773 | static PyTypeObject gprp_pytype_skel = { | |
1774 | PyObject_HEAD_INIT(0) 0, /* Header */ | |
c461c9b3 | 1775 | "GPRP", /* @tp_name@ */ |
03ed9abb MW |
1776 | sizeof(gprp_pyobj), /* @tp_basicsize@ */ |
1777 | 0, /* @tp_itemsize@ */ | |
1778 | ||
1779 | gprp_pydealloc, /* @tp_dealloc@ */ | |
1780 | 0, /* @tp_print@ */ | |
1781 | 0, /* @tp_getattr@ */ | |
1782 | 0, /* @tp_setattr@ */ | |
1783 | 0, /* @tp_compare@ */ | |
1784 | 0, /* @tp_repr@ */ | |
1785 | 0, /* @tp_as_number@ */ | |
1786 | 0, /* @tp_as_sequence@ */ | |
1787 | 0, /* @tp_as_mapping@ */ | |
1788 | 0, /* @tp_hash@ */ | |
1789 | 0, /* @tp_call@ */ | |
1790 | 0, /* @tp_str@ */ | |
1791 | 0, /* @tp_getattro@ */ | |
1792 | 0, /* @tp_setattro@ */ | |
1793 | 0, /* @tp_as_buffer@ */ | |
1794 | Py_TPFLAGS_DEFAULT | /* @tp_flags@ */ | |
1795 | Py_TPFLAGS_BASETYPE, | |
1796 | ||
1797 | /* @tp_doc@ */ | |
1798 | "Pseudorandom permutation, abstract base class.", | |
1799 | ||
1800 | 0, /* @tp_traverse@ */ | |
1801 | 0, /* @tp_clear@ */ | |
1802 | 0, /* @tp_richcompare@ */ | |
1803 | 0, /* @tp_weaklistoffset@ */ | |
1804 | 0, /* @tp_iter@ */ | |
1805 | 0, /* @tp_iternext@ */ | |
1806 | gprp_pymethods, /* @tp_methods@ */ | |
1807 | 0, /* @tp_members@ */ | |
1808 | 0, /* @tp_getset@ */ | |
1809 | 0, /* @tp_base@ */ | |
1810 | 0, /* @tp_dict@ */ | |
1811 | 0, /* @tp_descr_get@ */ | |
1812 | 0, /* @tp_descr_set@ */ | |
1813 | 0, /* @tp_dictoffset@ */ | |
1814 | 0, /* @tp_init@ */ | |
1815 | PyType_GenericAlloc, /* @tp_alloc@ */ | |
1816 | abstract_pynew, /* @tp_new@ */ | |
1817 | 0, /* @tp_free@ */ | |
1818 | 0 /* @tp_is_gc@ */ | |
1819 | }; | |
1820 | ||
d7ab1bab | 1821 | /*----- Main code ---------------------------------------------------------*/ |
1822 | ||
89157adc MW |
1823 | static PyMethodDef methods[] = { |
1824 | #define METHNAME(func) meth_##func | |
1825 | METH (_KeySZ_fromdl, "\ | |
1826 | fromdl(N) -> M: convert integer discrete log field size to work factor") | |
1827 | METH (_KeySZ_fromschnorr, "\ | |
1828 | fromschnorr(N) -> M: convert Schnorr group order to work factor") | |
1829 | METH (_KeySZ_fromif, "\ | |
1830 | fromif(N) -> M: convert integer factorization problem size to work factor") | |
1831 | METH (_KeySZ_fromec, "\ | |
1832 | fromec(N) -> M: convert elliptic curve group order to work factor") | |
1833 | METH (_KeySZ_todl, "\ | |
1834 | todl(N) -> M: convert work factor to integer discrete log field size") | |
1835 | METH (_KeySZ_toschnorr, "\ | |
1836 | toschnorr(N) -> M: convert work factor to Schnorr group order") | |
1837 | METH (_KeySZ_toif, "\ | |
1838 | toif(N) -> M: convert work factor to integer factorization problem size") | |
1839 | METH (_KeySZ_toec, "\ | |
1840 | toec(N) -> M: convert work factor to elliptic curve group order") | |
a75e68c9 MW |
1841 | METH (_KeySZ_toec, "\ |
1842 | toec(N) -> M: convert work factor to elliptic curve group order") | |
1843 | #define METH_HDANCE(hdance, HDance) METH(hdance##_prf, "\ | |
1844 | " #hdance "_prf(K, N) -> H: calculate " HDance " hash of N with K") | |
1845 | METH_HDANCE(hsalsa20, "HSalsa20") | |
1846 | METH_HDANCE(hsalsa2012, "HSalsa20/12") | |
1847 | METH_HDANCE(hsalsa208, "HSalsa20/8") | |
1848 | METH_HDANCE(hchacha20, "HChaCha20") | |
1849 | METH_HDANCE(hchacha12, "HChaCha12") | |
1850 | METH_HDANCE(hchacha8, "HChaCha8") | |
1851 | #undef METH_DANCE | |
89157adc MW |
1852 | #undef METHNAME |
1853 | { 0 } | |
1854 | }; | |
1855 | ||
d7ab1bab | 1856 | void algorithms_pyinit(void) |
1857 | { | |
1858 | INITTYPE(keysz, root); | |
1859 | INITTYPE(keyszany, keysz); | |
1860 | INITTYPE(keyszrange, keysz); | |
1861 | INITTYPE(keyszset, keysz); | |
1862 | INITTYPE(gccipher, type); | |
1863 | INITTYPE(gcipher, root); | |
1864 | INITTYPE(gchash, type); | |
1865 | INITTYPE(ghash, root); | |
1866 | INITTYPE(gcmac, type); | |
1867 | INITTYPE(gmac, type); | |
1868 | INITTYPE(gmhash, ghash); | |
204d480b MW |
1869 | INITTYPE(poly1305cls, type); |
1870 | INITTYPE_META(poly1305key, type, poly1305cls); | |
1871 | INITTYPE(poly1305hash, root); | |
03ed9abb MW |
1872 | INITTYPE(gcprp, type); |
1873 | INITTYPE(gprp, root); | |
89157adc | 1874 | addmethods(methods); |
d7ab1bab | 1875 | } |
1876 | ||
d7ab1bab | 1877 | GEN(gcciphers, cipher) |
1878 | GEN(gchashes, hash) | |
1879 | GEN(gcmacs, mac) | |
03ed9abb MW |
1880 | #define gcprp prpinfo |
1881 | GEN(gcprps, prp) | |
d7ab1bab | 1882 | |
1883 | void algorithms_pyinsert(PyObject *mod) | |
1884 | { | |
1885 | PyObject *d; | |
1886 | INSERT("KeySZ", keysz_pytype); | |
1887 | INSERT("KeySZAny", keyszany_pytype); | |
1888 | INSERT("KeySZRange", keyszrange_pytype); | |
1889 | INSERT("KeySZSet", keyszset_pytype); | |
1890 | INSERT("GCCipher", gccipher_pytype); | |
1891 | INSERT("GCipher", gcipher_pytype); | |
1892 | INSERT("gcciphers", gcciphers()); | |
1893 | INSERT("GCHash", gchash_pytype); | |
1894 | INSERT("GHash", ghash_pytype); | |
1895 | INSERT("gchashes", d = gchashes()); | |
1896 | sha_pyobj = PyDict_GetItemString(d, "sha"); Py_INCREF(sha_pyobj); | |
1897 | has160_pyobj = PyDict_GetItemString(d, "has160"); Py_INCREF(has160_pyobj); | |
1898 | INSERT("GCMAC", gcmac_pytype); | |
1899 | INSERT("GMAC", gmac_pytype); | |
1900 | INSERT("GMACHash", gmhash_pytype); | |
1901 | INSERT("gcmacs", gcmacs()); | |
204d480b MW |
1902 | INSERT("Poly1305Class", poly1305cls_pytype); |
1903 | INSERT("poly1305", poly1305key_pytype); | |
1904 | INSERT("Poly1305Hash", poly1305hash_pytype); | |
03ed9abb MW |
1905 | INSERT("GCPRP", gcprp_pytype); |
1906 | INSERT("GPRP", gprp_pytype); | |
1907 | INSERT("gcprps", gcprps()); | |
d7ab1bab | 1908 | } |
1909 | ||
1910 | /*----- That's all, folks -------------------------------------------------*/ |