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field.c: Delete the completely unused `getfe' function.
[pyke] / catacomb-python.h
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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
174extern 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 *);
213MODULES(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
236struct nameval { const char *name; unsigned long value; };
237extern void setconstants(PyObject *, const struct nameval *);
238
239extern 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
246extern int convulong(PyObject *, void *);
247#define DECL_CONVU_(n) extern int convu##n(PyObject *, void *);
248DOUINTSZ(DECL_CONVU_)
249extern int convmpw(PyObject *, void *);
250extern int convuint(PyObject *, void *);
251extern int convk64(PyObject *, void *);
252extern int convszt(PyObject *, void *);
253extern int convbool(PyObject *, void *);
254extern PyObject *abstract_pynew(PyTypeObject *, PyObject *, PyObject *);
255extern PyObject *getbool(int);
256extern PyObject *getulong(unsigned long);
257extern PyObject *getk64(kludge64);
258extern void *newtype(PyTypeObject *, const PyTypeObject *, const char *);
259
260struct excinfo { PyObject *ty, *val, *tb; };
261#define EXCINFO_INIT { 0, 0, 0 }
262
263extern 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)
283extern void report_lost_exception(struct excinfo *, const char *, ...);
284extern void report_lost_exception_v(struct excinfo *, const char *, va_list);
285extern void stash_exception(struct excinfo *, const char *, ...);
286extern void restore_exception(struct excinfo *, const char *, ...);
287
288extern void typeready(PyTypeObject *);
289extern PyTypeObject *inittype(PyTypeObject *, PyTypeObject *);
290extern void addmethods(const PyMethodDef *);
291extern 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
321GMAP_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)
324extern Py_ssize_t gmap_pysize(PyObject *);
325extern PySequenceMethods gmap_pysequence;
326extern PyMethodDef gmap_pymethods[];
327
328/*----- Bytestrings -------------------------------------------------------*/
329
330PyTypeObject *bytestring_pyobj;
331PyObject *bytestring_pywrap(const void *, size_t);
332PyObject *bytestring_pywrapbuf(buf *);
333
334/*----- Multiprecision arithmetic -----------------------------------------*/
335
336typedef struct mp_pyobj {
337 PyObject_HEAD
338 mp *x;
339} mp_pyobj;
340
341extern PyTypeObject *mp_pytype;
342extern 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
347extern mp *mp_frompylong(PyObject *);
348extern PyObject *mp_topylong(mp *);
349extern mp *tomp(PyObject *);
350extern mp *getmp(PyObject *);
351extern int convmp(PyObject *, void *);
352extern mp *getgf(PyObject *);
353extern int convgf(PyObject *, void *);
354extern PyObject *mp_pywrap(mp *);
355extern PyObject *gf_pywrap(mp *);
356extern long mphash(mp *);
357extern mp *mp_frompyobject(PyObject *, int);
358extern PyObject *mp_topystring(mp *, int,
359 const char *, const char *, const char *);
360extern int mp_tolong_checked(mp *, long *, int);
361
362/*----- Abstract fields ---------------------------------------------------*/
363
364typedef struct field_pyobj {
365 PyHeapTypeObject ty;
366 field *f;
367} field_pyobj;
368
369extern 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)
374extern PyObject *fe_pywrap(PyObject *, mp *);
375
376typedef struct fe_pyobj {
377 PyObject_HEAD
378 field *f;
379 mp *x;
380} fe_pyobj;
381
382extern PyTypeObject *field_pytype;
383extern PyTypeObject *primefield_pytype;
384extern PyTypeObject *niceprimefield_pytype;
385extern PyTypeObject *binfield_pytype;
386extern PyTypeObject *binpolyfield_pytype;
387extern PyTypeObject *binnormfield_pytype;
388#define FIELD_PYCHECK(o) PyObject_TypeCheck((o), field_pytype)
389#define FIELD_F(o) (((field_pyobj *)(o))->f)
390extern PyObject *field_pywrap(field *);
391extern field *field_copy(field *);
392
393/*----- Elliptic curves ---------------------------------------------------*/
394
395typedef struct ecpt_pyobj {
396 PyObject_HEAD
397 ec_curve *c;
398 ec p;
399} ecpt_pyobj;
400
401extern 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)
408extern PyObject *ecpt_pywrap(PyObject *, ec *);
409extern PyObject *ecpt_pywrapout(void *, ec *);
410extern int toecpt(ec_curve *, ec *, PyObject *);
411extern int getecpt(ec_curve *, ec *, PyObject *);
412extern void getecptout(ec *, PyObject *);
413extern int convecpt(PyObject *, void *);
414
415typedef struct eccurve_pyobj {
416 PyHeapTypeObject ty;
417 ec_curve *c;
418 PyObject *fobj;
419} eccurve_pyobj;
420
421extern PyTypeObject *eccurve_pytype;
422extern PyTypeObject *ecprimecurve_pytype;
423extern PyTypeObject *ecprimeprojcurve_pytype;
424extern PyTypeObject *ecbincurve_pytype;
425extern 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)
429extern PyObject *eccurve_pywrap(PyObject *, ec_curve *);
430extern ec_curve *eccurve_copy(ec_curve *);
431
432typedef struct ecinfo_pyobj {
433 PyObject_HEAD
434 ec_info ei;
435 PyObject *cobj;
436} ecinfo_pyobj;
437
438extern 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)
442extern void ecinfo_copy(ec_info *, const ec_info *);
443extern PyObject *ecinfo_pywrap(ec_info *);
444
445/*----- Cyclic groups -----------------------------------------------------*/
446
447typedef struct fginfo_pyobj {
448 PyObject_HEAD
449 gprime_param dp;
450} fginfo_pyobj;
451
452PyTypeObject *fginfo_pytype, *dhinfo_pytype, *bindhinfo_pytype;
453#define FGINFO_DP(fg) (&((fginfo_pyobj *)(fg))->dp)
454PyObject *fginfo_pywrap(gprime_param *, PyTypeObject *);
455
456typedef struct ge_pyobj {
457 PyObject_HEAD
458 ge *x;
459 group *g;
460} ge_pyobj;
461
462extern 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)
467extern PyObject *ge_pywrap(PyObject *, ge *);
468
469typedef struct group_pyobj {
470 PyHeapTypeObject ty;
471 group *g;
472} group_pyobj;
473
474extern PyTypeObject *group_pytype;
475extern PyTypeObject *primegroup_pytype, *bingroup_pytype, *ecgroup_pytype;
476#define GROUP_G(o) (((group_pyobj *)(o))->g)
477extern PyObject *group_pywrap(group *);
478extern group *group_copy(group *);
479
480/*----- Random number generators ------------------------------------------*/
481
482#define f_freeme 1u
483
484typedef struct grand_pyobj {
485 PyObject_HEAD
486 unsigned f;
487 grand *r;
488} grand_pyobj;
489
490extern PyTypeObject *grand_pytype, *truerand_pytype;
491extern PyTypeObject *lcrand_pytype,* fibrand_pytype;
492extern PyTypeObject *dsarand_pytype, *bbs_pytype;
493extern 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)
497extern PyObject *grand_pywrap(grand *, unsigned);
498extern int convgrand(PyObject *, void *);
499
500/*----- Key sizes ---------------------------------------------------------*/
501
502typedef struct keysz_pyobj {
503 PyObject_HEAD
504 int dfl;
505} keysz_pyobj;
506
507typedef struct keyszrange_pyobj {
508 PyObject_HEAD
509 int dfl;
510 int min, max, mod;
511} keyszrange_pyobj;
512
513typedef 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)
520extern PyObject *keysz_pywrap(const octet *);
521
522/*----- Symmetric cryptography --------------------------------------------*/
523
524typedef struct gccipher_pyobj {
525 PyHeapTypeObject ty;
526 gccipher *cc;
527} gccipher_pyobj;
528
529extern 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)
533extern PyObject *gccipher_pywrap(gccipher *);
534extern int convgccipher(PyObject *, void *);
535extern int convgcipher(PyObject *, void *);
536
537typedef struct gcipher_pyobj {
538 PyObject_HEAD
539 unsigned f;
540 gcipher *c;
541} gcipher_pyobj;
542
543extern 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)
547extern PyObject *gcipher_pywrap(PyObject *, gcipher *, unsigned);
548extern int convgcipher(PyObject *, void *);
549
550typedef struct gchash_pyobj {
551 PyHeapTypeObject ty;
552 gchash *ch;
553} gchash_pyobj;
554
555extern 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)
559extern PyObject *gchash_pywrap(gchash *);
560extern int convgchash(PyObject *, void *);
561
562typedef struct ghash_pyobj {
563 PyObject_HEAD
564 unsigned f;
565 ghash *h;
566} ghash_pyobj;
567
568extern PyTypeObject *ghash_pytype, *gmhash_pytype;
569extern 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)
573extern PyObject *ghash_pywrap(PyObject *, ghash *, unsigned);
574extern int convghash(PyObject *, void *);
575extern int convgmhash(PyObject *, void *);
576
577typedef struct gcmac_pyobj {
578 PyHeapTypeObject ty;
579 gcmac *cm;
580} gcmac_pyobj;
581
582extern 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)
586extern PyObject *gcmac_pywrap(gcmac *);
587extern int convgcmac(PyObject *, void *);
588
589typedef struct gmac_pyobj {
590 PyHeapTypeObject ty;
591 unsigned f;
592 gmac *m;
593} gmac_pyobj;
594
595extern 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)
599extern PyObject *gmac_pywrap(PyObject *, gmac *, unsigned);
600extern int convgmac(PyObject *, void *);
601
602/*----- Key generation ----------------------------------------------------*/
603
604typedef struct pfilt_pyobj {
605 PyObject_HEAD
606 pfilt f;
607 int st;
608} pfilt_pyobj;
609
610extern 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
615typedef struct { pgen_proc *proc; void *ctx; } pgev;
616#define PGEV_HEAD PyObject_HEAD pgev pg;
617
618typedef struct pgev_pyobj {
619 PGEV_HEAD
620} pgev_pyobj;
621
622extern PyTypeObject *pgev_pytype;
623#define PGEV_PYCHECK(o) PyObject_TypeCheck(o, pgev_pytype)
624#define PGEV_PG(o) (&((pgev_pyobj *)(o))->pg)
625
626typedef struct pypgev {
627 pgev ev;
628 PyObject *obj;
629 struct excinfo *exc;
630} pypgev;
631
632extern int convpgev(PyObject *, void *);
633extern void droppgev(pypgev *);
634extern 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