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[pyke] / catacomb-python.h
1 /* -*-c-*-
2 *
3 * Definitions for Catacomb bindings
4 *
5 * (c) 2004 Straylight/Edgeware
6 */
7
8 /*----- Licensing notice --------------------------------------------------*
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.
16 *
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.
21 *
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 #ifndef CATACOMB_PYTHON_H
28 #define CATACOMB_PYTHON_H
29
30 #ifdef __cplusplus
31 extern "C" {
32 #endif
33
34 /*----- Header files ------------------------------------------------------*/
35
36 #define PY_SSIZE_T_CLEAN
37
38 #include <Python.h>
39 #include <longintrepr.h>
40 #include <structmember.h>
41
42 #include <mLib/darray.h>
43 #include <mLib/dstr.h>
44 #include <mLib/macros.h>
45 #include <mLib/quis.h>
46 #include <mLib/unihash.h>
47
48 #include <catacomb/buf.h>
49 #include <catacomb/ct.h>
50
51 #include <catacomb/grand.h>
52 #include <catacomb/rand.h>
53 #include <catacomb/noise.h>
54 #include <catacomb/bbs.h>
55 #include <catacomb/mprand.h>
56 #include <catacomb/lcrand.h>
57 #include <catacomb/fibrand.h>
58 #include <catacomb/dsarand.h>
59 #include <catacomb/sslprf.h>
60 #include <catacomb/tlsprf.h>
61 #include <catacomb/blkc.h>
62
63 #include <catacomb/gcipher.h>
64 #include <catacomb/ghash.h>
65 #include <catacomb/gmac.h>
66 #include <catacomb/md5.h>
67 #include <catacomb/md5-hmac.h>
68 #include <catacomb/poly1305.h>
69 #include <catacomb/sha.h>
70 #include <catacomb/sha-mgf.h>
71 #include <catacomb/sha-hmac.h>
72 #include <catacomb/keccak1600.h>
73 #include <catacomb/sha3.h>
74
75 #include <catacomb/mp.h>
76 #include <catacomb/mpint.h>
77 #include <catacomb/mpmul.h>
78 #include <catacomb/mpcrt.h>
79 #include <catacomb/mpmont.h>
80 #include <catacomb/mpbarrett.h>
81 #include <catacomb/mpreduce.h>
82 #include <catacomb/mp-fibonacci.h>
83
84 #include <catacomb/pgen.h>
85 #include <catacomb/pfilt.h>
86 #include <catacomb/strongprime.h>
87 #include <catacomb/limlee.h>
88 #include <catacomb/dh.h>
89 #include <catacomb/ptab.h>
90 #include <catacomb/bintab.h>
91 #include <catacomb/dsa.h>
92 #include <catacomb/x25519.h>
93 #include <catacomb/x448.h>
94 #include <catacomb/ed25519.h>
95 #include <catacomb/ed448.h>
96
97 #include <catacomb/gf.h>
98 #include <catacomb/gfreduce.h>
99 #include <catacomb/gfn.h>
100
101 #include <catacomb/field.h>
102 #include <catacomb/field-guts.h>
103
104 #include <catacomb/ec.h>
105 #include <catacomb/ec-raw.h>
106 #include <catacomb/ectab.h>
107
108 #include <catacomb/group.h>
109 #include <catacomb/group-guts.h>
110
111 #include <catacomb/gdsa.h>
112 #include <catacomb/gkcdsa.h>
113 #include <catacomb/rsa.h>
114
115 #include <catacomb/key.h>
116 #include <catacomb/passphrase.h>
117 #include <catacomb/pixie.h>
118
119 #include <catacomb/share.h>
120 #include <catacomb/gfshare.h>
121
122 /*----- Utility macros ----------------------------------------------------*/
123
124 #define RETURN_OBJ(obj) do { Py_INCREF(obj); return (obj); } while (0)
125 #define RETURN_NONE RETURN_OBJ(Py_None)
126 #define RETURN_NOTIMPL RETURN_OBJ(Py_NotImplemented)
127 #define RETURN_TRUE RETURN_OBJ(Py_True)
128 #define RETURN_FALSE RETURN_OBJ(Py_False)
129 #define RETURN_ME RETURN_OBJ(me)
130
131 #define EXCERR(exc, str) do { \
132 PyErr_SetString(exc, str); \
133 goto end; \
134 } while (0)
135 #define VALERR(str) EXCERR(PyExc_ValueError, str)
136 #define TYERR(str) EXCERR(PyExc_TypeError, str)
137 #define ZDIVERR(str) EXCERR(PyExc_ZeroDivisionError, str)
138 #define SYSERR(str) EXCERR(PyExc_SystemError, str)
139 #define NIERR(str) EXCERR(PyExc_NotImplementedError, str)
140 #define INDEXERR(idx) do { \
141 PyErr_SetObject(PyExc_KeyError, idx); \
142 goto end; \
143 } while (0)
144 #define OSERR(name) do { \
145 PyErr_SetFromErrnoWithFilename(PyExc_OSError, name); \
146 goto end; \
147 } while (0)
148 #define PGENERR(exc) do { pgenerr(exc); goto end; } while (0)
149
150 #define CONVFUNC(ty, cty, ext) \
151 int conv##ty(PyObject *o, void *p) \
152 { \
153 if (!PyObject_TypeCheck(o, ty##_pytype)) \
154 TYERR("wanted a " #ty); \
155 *(cty *)p = ext(o); \
156 return (1); \
157 end: \
158 return (0); \
159 }
160
161 #if PY_VERSION_HEX < 0x02050000 /* Compatibility hack */
162 # define ht_name name
163 # define ht_type type
164 #endif
165
166 #define root_pytype 0
167 #define type_pytype &PyType_Type
168 #define INITTYPE_META(ty, base, meta) do { \
169 ty##_pytype_skel.tp_base = base##_pytype; \
170 ty##_pytype = inittype(&ty##_pytype_skel, meta##_pytype); \
171 } while (0)
172 #define INITTYPE(ty, base) INITTYPE_META(ty, base, type)
173
174 extern PyObject *home_module;
175
176 #define INSERT(name, ob) do { \
177 PyObject *_o = (PyObject *)(ob); \
178 Py_INCREF(_o); \
179 PyModule_AddObject(mod, name, _o); \
180 } while (0)
181
182 #define INSEXC(name, var, base, meth) \
183 INSERT(name, var = mkexc(mod, base, name, meth))
184
185 #define METH(func, doc) \
186 { #func, METHNAME(func), METH_VARARGS, doc },
187 #define KWMETH(func, doc) \
188 { #func, (PyCFunction)METHNAME(func), \
189 METH_VARARGS | METH_KEYWORDS, doc },
190
191 #define GET(func, doc) \
192 { #func, GETSETNAME(get, func), 0, doc },
193 #define GETSET(func, doc) \
194 { #func, GETSETNAME(get, func), GETSETNAME(set, func), doc },
195
196 #define MEMBER(name, ty, f, doc) \
197 { #name, ty, offsetof(MEMBERSTRUCT, name), f, doc },
198
199 #define MODULES(_) \
200 _(util) \
201 _(bytestring) _(buffer) \
202 _(rand) _(algorithms) _(pubkey) _(pgen) \
203 _(mp) _(field) _(ec) _(group) \
204 _(passphrase) _(share) _(key)
205 #define DOMODINIT(m) m##_pyinit();
206 #define DOMODINSERT(m) m##_pyinsert(mod);
207 #define INIT_MODULES do { MODULES(DOMODINIT) } while (0)
208 #define INSERT_MODULES do { MODULES(DOMODINSERT) } while (0)
209
210 #define DO(m) \
211 extern void m##_pyinit(void); \
212 extern void m##_pyinsert(PyObject *);
213 MODULES(DO)
214 #undef DO
215
216 #define FREEOBJ(obj) \
217 (((PyObject *)(obj))->ob_type->tp_free((PyObject *)(obj)))
218
219 #define GEN(func, base) \
220 static PyObject *func(void) \
221 { \
222 PyObject *d = PyDict_New(); \
223 PyObject *o; \
224 int i; \
225 \
226 for (i = 0; g##base##tab[i]; i++) { \
227 o = gc##base##_pywrap((/*unconst*/ gc##base *)g##base##tab[i]); \
228 PyDict_SetItemString(d, \
229 (/*unconst*/ char *)g##base##tab[i]->name, \
230 o); \
231 Py_DECREF(o); \
232 } \
233 return (d); \
234 }
235
236 struct nameval { const char *name; unsigned long value; };
237 extern void setconstants(PyObject *, const struct nameval *);
238
239 extern PyObject *mexp_common(PyObject *, PyObject *, size_t,
240 PyObject *(*id)(PyObject *),
241 int (*fill)(void *, PyObject *,
242 PyObject *, PyObject *),
243 PyObject *(*exp)(PyObject *, void *, int),
244 void (*drop)(void *));
245
246 extern int convulong(PyObject *, void *);
247 #define DECL_CONVU_(n) extern int convu##n(PyObject *, void *);
248 DOUINTSZ(DECL_CONVU_)
249 extern int convmpw(PyObject *, void *);
250 extern int convuint(PyObject *, void *);
251 extern int convk64(PyObject *, void *);
252 extern int convszt(PyObject *, void *);
253 extern int convbool(PyObject *, void *);
254 extern PyObject *abstract_pynew(PyTypeObject *, PyObject *, PyObject *);
255 extern PyObject *getbool(int);
256 extern PyObject *getulong(unsigned long);
257 extern PyObject *getk64(kludge64);
258 extern void *newtype(PyTypeObject *, const PyTypeObject *, const char *);
259
260 struct excinfo { PyObject *ty, *val, *tb; };
261 #define EXCINFO_INIT { 0, 0, 0 }
262
263 extern PyObject *mkexc(PyObject *, PyObject *, const char *, PyMethodDef *);
264 #define INIT_EXCINFO(exc) do { \
265 struct excinfo *_exc = (exc); _exc->ty = _exc->val = _exc->tb = 0; \
266 } while (0)
267 #define RELEASE_EXCINFO(exc) do { \
268 struct excinfo *_exc = (exc); \
269 Py_XDECREF(_exc->ty); _exc->ty = 0; \
270 Py_XDECREF(_exc->val); _exc->val = 0; \
271 Py_XDECREF(_exc->tb); _exc->tb = 0; \
272 } while (0)
273 #define STASH_EXCINFO(exc) do { \
274 struct excinfo *_exc = (exc); \
275 PyErr_Fetch(&_exc->ty, &_exc->val, &_exc->tb); \
276 PyErr_NormalizeException(&_exc->ty, &_exc->val, &_exc->tb); \
277 } while (0)
278 #define RESTORE_EXCINFO(exc) do { \
279 struct excinfo *_exc = (exc); \
280 PyErr_Restore(_exc->ty, _exc->val, _exc->tb); \
281 _exc->ty = _exc->val = _exc->tb = 0; \
282 } while (0)
283 extern void report_lost_exception(struct excinfo *, const char *, ...);
284 extern void report_lost_exception_v(struct excinfo *, const char *, va_list);
285 extern void stash_exception(struct excinfo *, const char *, ...);
286 extern void restore_exception(struct excinfo *, const char *, ...);
287
288 extern void typeready(PyTypeObject *);
289 extern PyTypeObject *inittype(PyTypeObject *, PyTypeObject *);
290 extern void addmethods(const PyMethodDef *);
291 extern PyMethodDef *donemethods(void);
292
293 /*----- Mapping methods ---------------------------------------------------*/
294
295 #define GMAP_METH(func, doc) { #func, gmapmeth_##func, METH_VARARGS, doc },
296 #define GMAP_KWMETH(func, doc) \
297 { #func, (PyCFunction)gmapmeth_##func, METH_VARARGS|METH_KEYWORDS, doc },
298 #define GMAP_METHDECL(func, doc) \
299 extern PyObject *gmapmeth_##func(PyObject *, PyObject *);
300 #define GMAP_KWMETHDECL(func, doc) \
301 extern PyObject *gmapmeth_##func(PyObject *, PyObject *, PyObject *);
302
303 #define GMAP_DOROMETHODS(METH, KWMETH) \
304 METH (has_key, "D.has_key(KEY) -> BOOL") \
305 METH (keys, "D.keys() -> LIST") \
306 METH (values, "D.values() -> LIST") \
307 METH (items, "D.items() -> LIST") \
308 METH (iterkeys, "D.iterkeys() -> ITER") \
309 METH (itervalues, "D.itervalues() -> ITER") \
310 METH (iteritems, "D.iteritems() -> ITER") \
311 KWMETH(get, "D.get(KEY, [default = None]) -> VALUE") \
312
313 #define GMAP_DOMETHODS(METH, KWMETH) \
314 GMAP_DOROMETHODS(METH, KWMETH) \
315 METH (clear, "D.clear()") \
316 KWMETH(setdefault, "D.setdefault(K, [default = None]) -> VALUE") \
317 KWMETH(pop, "D.pop(KEY, [default = <error>]) -> VALUE") \
318 METH (popitem, "D.popitem() -> (KEY, VALUE)") \
319 METH (update, "D.update(MAP)")
320
321 GMAP_DOMETHODS(GMAP_METHDECL, GMAP_KWMETHDECL)
322 #define GMAP_ROMETHODS GMAP_DOROMETHODS(GMAP_METH, GMAP_KWMETH)
323 #define GMAP_METHODS GMAP_DOMETHODS(GMAP_METH, GMAP_KWMETH)
324 extern Py_ssize_t gmap_pysize(PyObject *);
325 extern PySequenceMethods gmap_pysequence;
326 extern PyMethodDef gmap_pymethods[];
327
328 /*----- Bytestrings -------------------------------------------------------*/
329
330 PyTypeObject *bytestring_pyobj;
331 PyObject *bytestring_pywrap(const void *, size_t);
332 PyObject *bytestring_pywrapbuf(buf *);
333
334 /*----- Multiprecision arithmetic -----------------------------------------*/
335
336 typedef struct mp_pyobj {
337 PyObject_HEAD
338 mp *x;
339 } mp_pyobj;
340
341 extern PyTypeObject *mp_pytype;
342 extern PyTypeObject *gf_pytype;
343 #define MP_X(o) (((mp_pyobj *)(o))->x)
344 #define MP_PYCHECK(o) PyObject_TypeCheck((o), mp_pytype)
345 #define GF_PYCHECK(o) PyObject_TypeCheck((o), gf_pytype)
346
347 extern mp *mp_frompylong(PyObject *);
348 extern PyObject *mp_topylong(mp *);
349 extern mp *tomp(PyObject *);
350 extern mp *getmp(PyObject *);
351 extern int convmp(PyObject *, void *);
352 extern mp *getgf(PyObject *);
353 extern int convgf(PyObject *, void *);
354 extern PyObject *mp_pywrap(mp *);
355 extern PyObject *gf_pywrap(mp *);
356 extern long mphash(mp *);
357 extern mp *mp_frompyobject(PyObject *, int);
358 extern PyObject *mp_topystring(mp *, int,
359 const char *, const char *, const char *);
360 extern int mp_tolong_checked(mp *, long *, int);
361
362 /*----- Abstract fields ---------------------------------------------------*/
363
364 typedef struct field_pyobj {
365 PyHeapTypeObject ty;
366 field *f;
367 } field_pyobj;
368
369 extern PyTypeObject *fe_pytype;
370 #define FE_PYCHECK(o) PyObject_TypeCheck((o), fe_pytype)
371 #define FE_F(o) (((fe_pyobj *)(o))->f)
372 #define FE_FOBJ(o) ((PyObject *)(o)->ob_type)
373 #define FE_X(o) (((fe_pyobj *)(o))->x)
374 extern PyObject *fe_pywrap(PyObject *, mp *);
375
376 typedef struct fe_pyobj {
377 PyObject_HEAD
378 field *f;
379 mp *x;
380 } fe_pyobj;
381
382 extern PyTypeObject *field_pytype;
383 extern PyTypeObject *primefield_pytype;
384 extern PyTypeObject *niceprimefield_pytype;
385 extern PyTypeObject *binfield_pytype;
386 extern PyTypeObject *binpolyfield_pytype;
387 extern PyTypeObject *binnormfield_pytype;
388 #define FIELD_PYCHECK(o) PyObject_TypeCheck((o), field_pytype)
389 #define FIELD_F(o) (((field_pyobj *)(o))->f)
390 extern PyObject *field_pywrap(field *);
391 extern field *field_copy(field *);
392
393 /*----- Elliptic curves ---------------------------------------------------*/
394
395 typedef struct ecpt_pyobj {
396 PyObject_HEAD
397 ec_curve *c;
398 ec p;
399 } ecpt_pyobj;
400
401 extern PyTypeObject *ecpt_pytype, *ecptcurve_pytype;
402 #define ECPT_PYCHECK(o) PyObject_TypeCheck((o), ecpt_pytype)
403 #define ECPTCURVE_PYCHECK(o) PyObject_TypeCheck((o), ecptcurve_pytype)
404 #define ECPT_C(o) (((ecpt_pyobj *)(o))->c)
405 #define ECPT_COBJ(o) ((PyObject *)(o)->ob_type)
406 #define ECPT_FOBJ(o) ECCURVE_FOBJ(ECPT_COBJ((o)))
407 #define ECPT_P(o) (&((ecpt_pyobj *)(o))->p)
408 extern PyObject *ecpt_pywrap(PyObject *, ec *);
409 extern PyObject *ecpt_pywrapout(void *, ec *);
410 extern int toecpt(ec_curve *, ec *, PyObject *);
411 extern int getecpt(ec_curve *, ec *, PyObject *);
412 extern void getecptout(ec *, PyObject *);
413 extern int convecpt(PyObject *, void *);
414
415 typedef struct eccurve_pyobj {
416 PyHeapTypeObject ty;
417 ec_curve *c;
418 PyObject *fobj;
419 } eccurve_pyobj;
420
421 extern PyTypeObject *eccurve_pytype;
422 extern PyTypeObject *ecprimecurve_pytype;
423 extern PyTypeObject *ecprimeprojcurve_pytype;
424 extern PyTypeObject *ecbincurve_pytype;
425 extern PyTypeObject *ecbinprojcurve_pytype;
426 #define ECCURVE_PYCHECK(o) PyObject_TypeCheck((o), eccurve_pytype)
427 #define ECCURVE_C(o) (((eccurve_pyobj *)(o))->c)
428 #define ECCURVE_FOBJ(o) (((eccurve_pyobj *)(o))->fobj)
429 extern PyObject *eccurve_pywrap(PyObject *, ec_curve *);
430 extern ec_curve *eccurve_copy(ec_curve *);
431
432 typedef struct ecinfo_pyobj {
433 PyObject_HEAD
434 ec_info ei;
435 PyObject *cobj;
436 } ecinfo_pyobj;
437
438 extern PyTypeObject *ecinfo_pytype;
439 #define ECINFO_PYCHECK(o) PyObject_TypeCheck((o), ecinfo_pytype)
440 #define ECINFO_EI(o) (&((ecinfo_pyobj *)(o))->ei)
441 #define ECINFO_COBJ(o) (((ecinfo_pyobj *)(o))->cobj)
442 extern void ecinfo_copy(ec_info *, const ec_info *);
443 extern PyObject *ecinfo_pywrap(ec_info *);
444
445 /*----- Cyclic groups -----------------------------------------------------*/
446
447 typedef struct fginfo_pyobj {
448 PyObject_HEAD
449 gprime_param dp;
450 } fginfo_pyobj;
451
452 PyTypeObject *fginfo_pytype, *dhinfo_pytype, *bindhinfo_pytype;
453 #define FGINFO_DP(fg) (&((fginfo_pyobj *)(fg))->dp)
454 PyObject *fginfo_pywrap(gprime_param *, PyTypeObject *);
455
456 typedef struct ge_pyobj {
457 PyObject_HEAD
458 ge *x;
459 group *g;
460 } ge_pyobj;
461
462 extern PyTypeObject *ge_pytype;
463 #define GE_PYCHECK(o) PyObject_TypeCheck((o), ge_pytype)
464 #define GE_X(o) (((ge_pyobj *)(o))->x)
465 #define GE_G(o) (((ge_pyobj *)(o))->g)
466 #define GE_GOBJ(o) ((PyObject *)(group_pyobj *)(o)->ob_type)
467 extern PyObject *ge_pywrap(PyObject *, ge *);
468
469 typedef struct group_pyobj {
470 PyHeapTypeObject ty;
471 group *g;
472 } group_pyobj;
473
474 extern PyTypeObject *group_pytype;
475 extern PyTypeObject *primegroup_pytype, *bingroup_pytype, *ecgroup_pytype;
476 #define GROUP_G(o) (((group_pyobj *)(o))->g)
477 extern PyObject *group_pywrap(group *);
478 extern group *group_copy(group *);
479
480 /*----- Random number generators ------------------------------------------*/
481
482 #define f_freeme 1u
483
484 typedef struct grand_pyobj {
485 PyObject_HEAD
486 unsigned f;
487 grand *r;
488 } grand_pyobj;
489
490 extern PyTypeObject *grand_pytype, *truerand_pytype;
491 extern PyTypeObject *lcrand_pytype,* fibrand_pytype;
492 extern PyTypeObject *dsarand_pytype, *bbs_pytype;
493 extern PyObject *rand_pyobj;
494 #define GRAND_PYCHECK(o) PyObject_TypeCheck((o), grand_pytype)
495 #define GRAND_F(o) (((grand_pyobj *)(o))->f)
496 #define GRAND_R(o) (((grand_pyobj *)(o))->r)
497 extern PyObject *grand_pywrap(grand *, unsigned);
498 extern int convgrand(PyObject *, void *);
499
500 /*----- Key sizes ---------------------------------------------------------*/
501
502 typedef struct keysz_pyobj {
503 PyObject_HEAD
504 int dfl;
505 } keysz_pyobj;
506
507 typedef struct keyszrange_pyobj {
508 PyObject_HEAD
509 int dfl;
510 int min, max, mod;
511 } keyszrange_pyobj;
512
513 typedef struct keyszset_pyobj {
514 PyObject_HEAD
515 int dfl;
516 PyObject *set;
517 } keyszset_pyobj;
518
519 #define KEYSZ_PYCHECK(o) PyObject_TypeCheck((o), keysz_pytype)
520 extern PyObject *keysz_pywrap(const octet *);
521
522 /*----- Symmetric cryptography --------------------------------------------*/
523
524 typedef struct gccipher_pyobj {
525 PyHeapTypeObject ty;
526 gccipher *cc;
527 } gccipher_pyobj;
528
529 extern PyTypeObject *gccipher_pytype;
530 #define GCCIPHER_PYCHECK(o) PyObject_TypeCheck((o), gccipher_pytype)
531 #define GCCIPHER_CC(o) (((gccipher_pyobj *)(o))->cc)
532 #define GCCIPHER_F(o) (((gccipher_pyobj *)(o))->f)
533 extern PyObject *gccipher_pywrap(gccipher *);
534 extern int convgccipher(PyObject *, void *);
535 extern int convgcipher(PyObject *, void *);
536
537 typedef struct gcipher_pyobj {
538 PyObject_HEAD
539 unsigned f;
540 gcipher *c;
541 } gcipher_pyobj;
542
543 extern PyTypeObject *gcipher_pytype;
544 #define GCIPHER_PYCHECK(o) PyObject_TypeCheck((o), gcipher_pytype)
545 #define GCIPHER_C(o) (((gcipher_pyobj *)(o))->c)
546 #define GCIPHER_F(o) (((gcipher_pyobj *)(o))->f)
547 extern PyObject *gcipher_pywrap(PyObject *, gcipher *, unsigned);
548 extern int convgcipher(PyObject *, void *);
549
550 typedef struct gchash_pyobj {
551 PyHeapTypeObject ty;
552 gchash *ch;
553 } gchash_pyobj;
554
555 extern PyTypeObject *gchash_pytype;
556 #define GCHASH_PYCHECK(o) PyObject_TypeCheck((o), gchash_pytype)
557 #define GCHASH_CH(o) (((gchash_pyobj *)(o))->ch)
558 #define GCHASH_F(o) (((gchash_pyobj *)(o))->f)
559 extern PyObject *gchash_pywrap(gchash *);
560 extern int convgchash(PyObject *, void *);
561
562 typedef struct ghash_pyobj {
563 PyObject_HEAD
564 unsigned f;
565 ghash *h;
566 } ghash_pyobj;
567
568 extern PyTypeObject *ghash_pytype, *gmhash_pytype;
569 extern PyObject *sha_pyobj, *has160_pyobj;
570 #define GHASH_PYCHECK(o) PyObject_TypeCheck((o), ghash_pytype)
571 #define GHASH_H(o) (((ghash_pyobj *)(o))->h)
572 #define GHASH_F(o) (((ghash_pyobj *)(o))->f)
573 extern PyObject *ghash_pywrap(PyObject *, ghash *, unsigned);
574 extern int convghash(PyObject *, void *);
575 extern int convgmhash(PyObject *, void *);
576
577 typedef struct gcmac_pyobj {
578 PyHeapTypeObject ty;
579 gcmac *cm;
580 } gcmac_pyobj;
581
582 extern PyTypeObject *gcmac_pytype;
583 #define GCMAC_PYCHECK(o) PyObject_TypeCheck((o), gcmac_pytype)
584 #define GCMAC_CM(o) (((gcmac_pyobj *)(o))->cm)
585 #define GCMAC_F(o) (((gcmac_pyobj *)(o))->f)
586 extern PyObject *gcmac_pywrap(gcmac *);
587 extern int convgcmac(PyObject *, void *);
588
589 typedef struct gmac_pyobj {
590 PyHeapTypeObject ty;
591 unsigned f;
592 gmac *m;
593 } gmac_pyobj;
594
595 extern PyTypeObject *gmac_pytype;
596 #define GMAC_PYCHECK(o) PyObject_TypeCheck((o), gmac_pytype)
597 #define GMAC_M(o) (((gmac_pyobj *)(o))->m)
598 #define GMAC_F(o) (((gmac_pyobj *)(o))->f)
599 extern PyObject *gmac_pywrap(PyObject *, gmac *, unsigned);
600 extern int convgmac(PyObject *, void *);
601
602 /*----- Key generation ----------------------------------------------------*/
603
604 typedef struct pfilt_pyobj {
605 PyObject_HEAD
606 pfilt f;
607 int st;
608 } pfilt_pyobj;
609
610 extern PyTypeObject *pfilt_pytype;
611 #define PFILT_PYCHECK(o) PyObject_TypeCheck(o, pfilt_pytype)
612 #define PFILT_F(o) (&((pfilt_pyobj *)(o))->f)
613 #define PFILT_ST(o) (((pfilt_pyobj *)(o))->st)
614
615 typedef struct { pgen_proc *proc; void *ctx; } pgev;
616 #define PGEV_HEAD PyObject_HEAD pgev pg;
617
618 typedef struct pgev_pyobj {
619 PGEV_HEAD
620 } pgev_pyobj;
621
622 extern PyTypeObject *pgev_pytype;
623 #define PGEV_PYCHECK(o) PyObject_TypeCheck(o, pgev_pytype)
624 #define PGEV_PG(o) (&((pgev_pyobj *)(o))->pg)
625
626 typedef struct pypgev {
627 pgev ev;
628 PyObject *obj;
629 struct excinfo *exc;
630 } pypgev;
631
632 extern int convpgev(PyObject *, void *);
633 extern void droppgev(pypgev *);
634 extern void pgenerr(struct excinfo *exc);
635
636 /*----- That's all, folks -------------------------------------------------*/
637
638 #ifdef __cplusplus
639 }
640 #endif
641
642 #endif
The Python Kit for Extensions: a library for writing Python extensions