~mdw / pyke / blob
? search:


d68026d2f71f7230058b4eb057948a4a0dd0c0a4
[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 IXERR(str) EXCERR(PyExc_IndexError, str)
138 #define ZDIVERR(str) EXCERR(PyExc_ZeroDivisionError, str)
139 #define SYSERR(str) EXCERR(PyExc_SystemError, str)
140 #define NIERR(str) EXCERR(PyExc_NotImplementedError, str)
141 #define INDEXERR(idx) do { \
142 PyErr_SetObject(PyExc_KeyError, idx); \
143 goto end; \
144 } while (0)
145 #define OSERR(name) do { \
146 PyErr_SetFromErrnoWithFilename(PyExc_OSError, name); \
147 goto end; \
148 } while (0)
149 #define PGENERR do { pgenerr(); goto end; } while (0)
150
151 #define CONVFUNC(ty, cty, ext) \
152 int conv##ty(PyObject *o, void *p) \
153 { \
154 if (!PyObject_TypeCheck(o, ty##_pytype)) \
155 TYERR("wanted a " #ty); \
156 *(cty *)p = ext(o); \
157 return (1); \
158 end: \
159 return (0); \
160 }
161
162 #if PY_VERSION_HEX < 0x02050000 /* Compatibility hack */
163 # define ht_name name
164 # define ht_type type
165 #endif
166
167 #define root_pytype 0
168 #define type_pytype &PyType_Type
169 #define INITTYPE_META(ty, base, meta) do { \
170 ty##_pytype_skel.tp_base = base##_pytype; \
171 ty##_pytype = inittype(&ty##_pytype_skel, meta##_pytype); \
172 } while (0)
173 #define INITTYPE(ty, base) INITTYPE_META(ty, base, type)
174
175 #define INSERT(name, ob) do { \
176 PyObject *_o = (PyObject *)(ob); \
177 Py_INCREF(_o); \
178 PyModule_AddObject(mod, name, _o); \
179 } while (0)
180
181 #define INSEXC(name, var, base, meth) \
182 INSERT(name, var = mkexc(mod, base, name, meth))
183
184 #define METH(func, doc) \
185 { #func, METHNAME(func), METH_VARARGS, doc },
186 #define KWMETH(func, doc) \
187 { #func, (PyCFunction)METHNAME(func), \
188 METH_VARARGS | METH_KEYWORDS, doc },
189
190 #define GET(func, doc) \
191 { #func, GETSETNAME(get, func), 0, doc },
192 #define GETSET(func, doc) \
193 { #func, GETSETNAME(get, func), GETSETNAME(set, func), doc },
194
195 #define MEMBER(name, ty, f, doc) \
196 { #name, ty, offsetof(MEMBERSTRUCT, name), f, doc },
197
198 #define MODULES(_) \
199 _(util) \
200 _(bytestring) _(buffer) \
201 _(rand) _(algorithms) _(pubkey) _(pgen) \
202 _(mp) _(field) _(ec) _(group) \
203 _(passphrase) _(share) _(key)
204 #define DOMODINIT(m) m##_pyinit();
205 #define DOMODINSERT(m) m##_pyinsert(mod);
206 #define INIT_MODULES do { MODULES(DOMODINIT) } while (0)
207 #define INSERT_MODULES do { MODULES(DOMODINSERT) } while (0)
208
209 #define DO(m) \
210 extern void m##_pyinit(void); \
211 extern void m##_pyinsert(PyObject *);
212 MODULES(DO)
213 #undef DO
214
215 #define FREEOBJ(obj) \
216 (((PyObject *)(obj))->ob_type->tp_free((PyObject *)(obj)))
217
218 #define GEN(func, base) \
219 static PyObject *func(void) \
220 { \
221 PyObject *d = PyDict_New(); \
222 PyObject *o; \
223 int i; \
224 \
225 for (i = 0; g##base##tab[i]; i++) { \
226 o = gc##base##_pywrap((/*unconst*/ gc##base *)g##base##tab[i]); \
227 PyDict_SetItemString(d, \
228 (/*unconst*/ char *)g##base##tab[i]->name, \
229 o); \
230 Py_DECREF(o); \
231 } \
232 return (d); \
233 }
234
235 #define KWLIST (/*unconst*/ char **)kwlist
236
237 struct nameval { const char *name; unsigned long value; };
238 extern void setconstants(PyObject *, const struct nameval *);
239
240 extern PyObject *mexp_common(PyObject *, PyObject *, size_t,
241 PyObject *(*id)(PyObject *),
242 int (*fill)(void *, PyObject *,
243 PyObject *, PyObject *),
244 PyObject *(*exp)(PyObject *, void *, int),
245 void (*drop)(void *));
246
247 extern int convulong(PyObject *, void *);
248 #define DECL_CONVU_(n) extern int convu##n(PyObject *, void *);
249 DOUINTSZ(DECL_CONVU_)
250 extern int convmpw(PyObject *, void *);
251 extern int convuint(PyObject *, void *);
252 extern int convk64(PyObject *, void *);
253 extern int convszt(PyObject *, void *);
254 extern int convbool(PyObject *, void *);
255 extern PyObject *abstract_pynew(PyTypeObject *, PyObject *, PyObject *);
256 extern PyObject *getbool(int);
257 extern PyObject *getulong(unsigned long);
258 extern PyObject *getk64(kludge64);
259 extern void *newtype(PyTypeObject *, const PyTypeObject *, const char *);
260
261 extern PyObject *mkexc(PyObject *, PyObject *, const char *, PyMethodDef *);
262 extern void typeready(PyTypeObject *);
263 extern PyTypeObject *inittype(PyTypeObject *, PyTypeObject *);
264 extern void addmethods(const PyMethodDef *);
265 extern PyMethodDef *donemethods(void);
266
267 /*----- Mapping methods ---------------------------------------------------*/
268
269 #define GMAP_METH(func, doc) { #func, gmapmeth_##func, METH_VARARGS, doc },
270 #define GMAP_KWMETH(func, doc) \
271 { #func, (PyCFunction)gmapmeth_##func, METH_VARARGS|METH_KEYWORDS, doc },
272 #define GMAP_METHDECL(func, doc) \
273 extern PyObject *gmapmeth_##func(PyObject *, PyObject *);
274 #define GMAP_KWMETHDECL(func, doc) \
275 extern PyObject *gmapmeth_##func(PyObject *, PyObject *, PyObject *);
276
277 #define GMAP_DOROMETHODS(METH, KWMETH) \
278 METH (has_key, "D.has_key(KEY) -> BOOL") \
279 METH (keys, "D.keys() -> LIST") \
280 METH (values, "D.values() -> LIST") \
281 METH (items, "D.items() -> LIST") \
282 METH (iterkeys, "D.iterkeys() -> ITER") \
283 METH (itervalues, "D.itervalues() -> ITER") \
284 METH (iteritems, "D.iteritems() -> ITER") \
285 KWMETH(get, "D.get(KEY, [default = None]) -> VALUE") \
286
287 #define GMAP_DOMETHODS(METH, KWMETH) \
288 GMAP_DOROMETHODS(METH, KWMETH) \
289 METH (clear, "D.clear()") \
290 KWMETH(setdefault, "D.setdefault(K, [default = None]) -> VALUE") \
291 KWMETH(pop, "D.pop(KEY, [default = <error>]) -> VALUE") \
292 METH (popitem, "D.popitem() -> (KEY, VALUE)") \
293 METH (update, "D.update(MAP)")
294
295 GMAP_DOMETHODS(GMAP_METHDECL, GMAP_KWMETHDECL)
296 #define GMAP_ROMETHODS GMAP_DOROMETHODS(GMAP_METH, GMAP_KWMETH)
297 #define GMAP_METHODS GMAP_DOMETHODS(GMAP_METH, GMAP_KWMETH)
298 extern Py_ssize_t gmap_pysize(PyObject *);
299 extern PySequenceMethods gmap_pysequence;
300 extern PyMethodDef gmap_pymethods[];
301
302 /*----- Bytestrings -------------------------------------------------------*/
303
304 PyTypeObject *bytestring_pyobj;
305 PyObject *bytestring_pywrap(const void *, size_t);
306 PyObject *bytestring_pywrapbuf(buf *);
307
308 /*----- Multiprecision arithmetic -----------------------------------------*/
309
310 typedef struct mp_pyobj {
311 PyObject_HEAD
312 mp *x;
313 } mp_pyobj;
314
315 extern PyTypeObject *mp_pytype;
316 extern PyTypeObject *gf_pytype;
317 #define MP_X(o) (((mp_pyobj *)(o))->x)
318 #define MP_PYCHECK(o) PyObject_TypeCheck((o), mp_pytype)
319 #define GF_PYCHECK(o) PyObject_TypeCheck((o), gf_pytype)
320
321 extern mp *mp_frompylong(PyObject *);
322 extern PyObject *mp_topylong(mp *);
323 extern mp *tomp(PyObject *);
324 extern mp *getmp(PyObject *);
325 extern int convmp(PyObject *, void *);
326 extern mp *getgf(PyObject *);
327 extern int convgf(PyObject *, void *);
328 extern PyObject *mp_pywrap(mp *);
329 extern PyObject *gf_pywrap(mp *);
330 extern mp *mp_frompyobject(PyObject *, int);
331 extern PyObject *mp_topystring(mp *, int,
332 const char *, const char *, const char *);
333 extern int mp_tolong_checked(mp *, long *, int);
334
335 /*----- Abstract fields ---------------------------------------------------*/
336
337 typedef struct field_pyobj {
338 PyHeapTypeObject ty;
339 field *f;
340 } field_pyobj;
341
342 extern PyTypeObject *fe_pytype;
343 #define FE_PYCHECK(o) PyObject_TypeCheck((o), fe_pytype)
344 #define FE_F(o) (((fe_pyobj *)(o))->f)
345 #define FE_FOBJ(o) ((PyObject *)(o)->ob_type)
346 #define FE_X(o) (((fe_pyobj *)(o))->x)
347 extern PyObject *fe_pywrap(PyObject *, mp *);
348 extern mp *getfe(field *, PyObject *);
349
350 typedef struct fe_pyobj {
351 PyObject_HEAD
352 field *f;
353 mp *x;
354 } fe_pyobj;
355
356 extern PyTypeObject *field_pytype;
357 extern PyTypeObject *primefield_pytype;
358 extern PyTypeObject *niceprimefield_pytype;
359 extern PyTypeObject *binfield_pytype;
360 extern PyTypeObject *binpolyfield_pytype;
361 extern PyTypeObject *binnormfield_pytype;
362 #define FIELD_PYCHECK(o) PyObject_TypeCheck((o), field_pytype)
363 #define FIELD_F(o) (((field_pyobj *)(o))->f)
364 extern PyObject *field_pywrap(field *);
365 extern field *field_copy(field *);
366
367 /*----- Elliptic curves ---------------------------------------------------*/
368
369 typedef struct ecpt_pyobj {
370 PyObject_HEAD
371 ec_curve *c;
372 ec p;
373 } ecpt_pyobj;
374
375 extern PyTypeObject *ecpt_pytype, *ecptcurve_pytype;
376 #define ECPT_PYCHECK(o) PyObject_TypeCheck((o), ecpt_pytype)
377 #define ECPTCURVE_PYCHECK(o) PyObject_TypeCheck((o), ecptcurve_pytype)
378 #define ECPT_C(o) (((ecpt_pyobj *)(o))->c)
379 #define ECPT_COBJ(o) ((PyObject *)(o)->ob_type)
380 #define ECPT_FOBJ(o) ECCURVE_FOBJ(ECPT_COBJ((o)))
381 #define ECPT_P(o) (&((ecpt_pyobj *)(o))->p)
382 extern PyObject *ecpt_pywrap(PyObject *, ec *);
383 extern PyObject *ecpt_pywrapout(void *, ec *);
384 extern int toecpt(ec_curve *, ec *, PyObject *);
385 extern int getecpt(ec_curve *, ec *, PyObject *);
386 extern void getecptout(ec *, PyObject *);
387 extern int convecpt(PyObject *, void *);
388
389 typedef struct eccurve_pyobj {
390 PyHeapTypeObject ty;
391 ec_curve *c;
392 PyObject *fobj;
393 } eccurve_pyobj;
394
395 extern PyTypeObject *eccurve_pytype;
396 extern PyTypeObject *ecprimecurve_pytype;
397 extern PyTypeObject *ecprimeprojcurve_pytype;
398 extern PyTypeObject *ecbincurve_pytype;
399 extern PyTypeObject *ecbinprojcurve_pytype;
400 #define ECCURVE_PYCHECK(o) PyObject_TypeCheck((o), eccurve_pytype)
401 #define ECCURVE_C(o) (((eccurve_pyobj *)(o))->c)
402 #define ECCURVE_FOBJ(o) (((eccurve_pyobj *)(o))->fobj)
403 extern PyObject *eccurve_pywrap(PyObject *, ec_curve *);
404 extern ec_curve *eccurve_copy(ec_curve *);
405
406 typedef struct ecinfo_pyobj {
407 PyObject_HEAD
408 ec_info ei;
409 PyObject *cobj;
410 } ecinfo_pyobj;
411
412 extern PyTypeObject *ecinfo_pytype;
413 #define ECINFO_PYCHECK(o) PyObject_TypeCheck((o), ecinfo_pytype)
414 #define ECINFO_EI(o) (&((ecinfo_pyobj *)(o))->ei)
415 #define ECINFO_COBJ(o) (((ecinfo_pyobj *)(o))->cobj)
416 extern void ecinfo_copy(ec_info *, const ec_info *);
417 extern PyObject *ecinfo_pywrap(ec_info *);
418
419 /*----- Cyclic groups -----------------------------------------------------*/
420
421 typedef struct fginfo_pyobj {
422 PyObject_HEAD
423 gprime_param dp;
424 } fginfo_pyobj;
425
426 PyTypeObject *fginfo_pytype, *dhinfo_pytype, *bindhinfo_pytype;
427 #define FGINFO_DP(fg) (&((fginfo_pyobj *)(fg))->dp)
428 PyObject *fginfo_pywrap(gprime_param *, PyTypeObject *);
429
430 typedef struct ge_pyobj {
431 PyObject_HEAD
432 ge *x;
433 group *g;
434 } ge_pyobj;
435
436 extern PyTypeObject *ge_pytype;
437 #define GE_PYCHECK(o) PyObject_TypeCheck((o), ge_pytype)
438 #define GE_X(o) (((ge_pyobj *)(o))->x)
439 #define GE_G(o) (((ge_pyobj *)(o))->g)
440 #define GE_GOBJ(o) ((PyObject *)(group_pyobj *)(o)->ob_type)
441 extern PyObject *ge_pywrap(PyObject *, ge *);
442
443 typedef struct group_pyobj {
444 PyHeapTypeObject ty;
445 group *g;
446 } group_pyobj;
447
448 extern PyTypeObject *group_pytype;
449 extern PyTypeObject *primegroup_pytype, *bingroup_pytype, *ecgroup_pytype;
450 #define GROUP_G(o) (((group_pyobj *)(o))->g)
451 extern PyObject *group_pywrap(group *);
452 extern group *group_copy(group *);
453
454 /*----- Random number generators ------------------------------------------*/
455
456 #define f_freeme 1u
457
458 typedef struct grand_pyobj {
459 PyObject_HEAD
460 unsigned f;
461 grand *r;
462 } grand_pyobj;
463
464 extern PyTypeObject *grand_pytype, *truerand_pytype;
465 extern PyTypeObject *lcrand_pytype,* fibrand_pytype;
466 extern PyTypeObject *dsarand_pytype, *bbs_pytype;
467 extern PyObject *rand_pyobj;
468 #define GRAND_PYCHECK(o) PyObject_TypeCheck((o), grand_pytype)
469 #define GRAND_F(o) (((grand_pyobj *)(o))->f)
470 #define GRAND_R(o) (((grand_pyobj *)(o))->r)
471 extern PyObject *grand_pywrap(grand *, unsigned);
472 extern int convgrand(PyObject *, void *);
473
474 /*----- Key sizes ---------------------------------------------------------*/
475
476 typedef struct keysz_pyobj {
477 PyObject_HEAD
478 int dfl;
479 } keysz_pyobj;
480
481 typedef struct keyszrange_pyobj {
482 PyObject_HEAD
483 int dfl;
484 int min, max, mod;
485 } keyszrange_pyobj;
486
487 typedef struct keyszset_pyobj {
488 PyObject_HEAD
489 int dfl;
490 PyObject *set;
491 } keyszset_pyobj;
492
493 #define KEYSZ_PYCHECK(o) PyObject_TypeCheck((o), keysz_pytype)
494 extern PyObject *keysz_pywrap(const octet *);
495
496 /*----- Symmetric cryptography --------------------------------------------*/
497
498 typedef struct gccipher_pyobj {
499 PyHeapTypeObject ty;
500 gccipher *cc;
501 } gccipher_pyobj;
502
503 extern PyTypeObject *gccipher_pytype;
504 #define GCCIPHER_PYCHECK(o) PyObject_TypeCheck((o), gccipher_pytype)
505 #define GCCIPHER_CC(o) (((gccipher_pyobj *)(o))->cc)
506 extern PyObject *gccipher_pywrap(gccipher *);
507 extern int convgccipher(PyObject *, void *);
508
509 typedef struct gcipher_pyobj {
510 PyObject_HEAD
511 gcipher *c;
512 } gcipher_pyobj;
513
514 extern PyTypeObject *gcipher_pytype;
515 #define GCIPHER_PYCHECK(o) PyObject_TypeCheck((o), gcipher_pytype)
516 #define GCIPHER_C(o) (((gcipher_pyobj *)(o))->c)
517 extern PyObject *gcipher_pywrap(PyObject *, gcipher *);
518 extern int convgcipher(PyObject *, void *);
519
520 typedef struct gchash_pyobj {
521 PyHeapTypeObject ty;
522 gchash *ch;
523 } gchash_pyobj;
524
525 extern PyTypeObject *gchash_pytype;
526 #define GCHASH_PYCHECK(o) PyObject_TypeCheck((o), gchash_pytype)
527 #define GCHASH_CH(o) (((gchash_pyobj *)(o))->ch)
528 extern PyObject *gchash_pywrap(gchash *);
529 extern int convgchash(PyObject *, void *);
530
531 typedef struct ghash_pyobj {
532 PyObject_HEAD
533 ghash *h;
534 } ghash_pyobj;
535
536 extern PyTypeObject *ghash_pytype, *gmhash_pytype;
537 extern PyObject *sha_pyobj, *has160_pyobj;
538 #define GHASH_PYCHECK(o) PyObject_TypeCheck((o), ghash_pytype)
539 #define GHASH_H(o) (((ghash_pyobj *)(o))->h)
540 extern PyObject *ghash_pywrap(PyObject *, ghash *);
541 extern int convghash(PyObject *, void *);
542 extern int convgmhash(PyObject *, void *);
543
544 typedef struct gcmac_pyobj {
545 PyHeapTypeObject ty;
546 gcmac *cm;
547 } gcmac_pyobj;
548
549 extern PyTypeObject *gcmac_pytype;
550 #define GCMAC_PYCHECK(o) PyObject_TypeCheck((o), gcmac_pytype)
551 #define GCMAC_CM(o) (((gcmac_pyobj *)(o))->cm)
552 #define GCMAC_F(o) (((gcmac_pyobj *)(o))->f)
553 extern PyObject *gcmac_pywrap(gcmac *);
554 extern int convgcmac(PyObject *, void *);
555
556 typedef struct gmac_pyobj {
557 PyHeapTypeObject ty;
558 gmac *m;
559 } gmac_pyobj;
560
561 extern PyTypeObject *gmac_pytype;
562 #define GMAC_PYCHECK(o) PyObject_TypeCheck((o), gmac_pytype)
563 #define GMAC_M(o) (((gmac_pyobj *)(o))->m)
564 #define GMAC_F(o) (((gmac_pyobj *)(o))->f)
565 extern PyObject *gmac_pywrap(PyObject *, gmac *);
566 extern int convgmac(PyObject *, void *);
567
568 /*----- Key generation ----------------------------------------------------*/
569
570 typedef struct pfilt_pyobj {
571 PyObject_HEAD
572 pfilt f;
573 int st;
574 } pfilt_pyobj;
575
576 extern PyTypeObject *pfilt_pytype;
577 #define PFILT_PYCHECK(o) PyObject_TypeCheck(o, pfilt_pytype)
578 #define PFILT_F(o) (&((pfilt_pyobj *)(o))->f)
579 #define PFILT_ST(o) (((pfilt_pyobj *)(o))->st)
580
581 typedef struct { pgen_proc *proc; void *ctx; } pgev;
582 #define PGEV_HEAD PyObject_HEAD pgev pg;
583
584 typedef struct pgev_pyobj {
585 PGEV_HEAD
586 } pgev_pyobj;
587
588 extern PyTypeObject *pgev_pytype;
589 #define PGEV_PYCHECK(o) PyObject_TypeCheck(o, pgev_pytype)
590 #define PGEV_PG(o) (&((pgev_pyobj *)(o))->pg)
591
592 extern int convpgev(PyObject *, void *);
593 extern void droppgev(pgev *);
594 extern void pgenerr(void);
595
596 /*----- That's all, folks -------------------------------------------------*/
597
598 #ifdef __cplusplus
599 }
600 #endif
601
602 #endif
The Python Kit for Extensions: a library for writing Python extensions