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*.c: Be more careful about `PySequence_Size'.
[pyke] / catacomb-python.h
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b6a86d2e 1/* -*-c-*-
2 *
b6a86d2e 3 * Definitions for Catacomb bindings
4 *
5 * (c) 2004 Straylight/Edgeware
6 */
7
0b1eafbf 8/*----- Licensing notice --------------------------------------------------*
b6a86d2e 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.
0b1eafbf 16 *
b6a86d2e 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.
0b1eafbf 21 *
b6a86d2e 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
ad84d8c2
MW		 36#define PY_SSIZE_T_CLEAN
37
b6a86d2e 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>
73a712fa 45#include <mLib/quis.h>
b06387d2 46#include <mLib/unihash.h>
b6a86d2e 47
48#include <catacomb/buf.h>
54ecf9dd 49#include <catacomb/ct.h>
b6a86d2e 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>
62058916 61#include <catacomb/blkc.h>
b6a86d2e 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>
2ad160b1 68#include <catacomb/poly1305.h>
b6a86d2e 69#include <catacomb/sha.h>
70#include <catacomb/sha-mgf.h>
71#include <catacomb/sha-hmac.h>
f85a7079 72#include <catacomb/keccak1600.h>
b75462e8 73#include <catacomb/sha3.h>
b6a86d2e 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>
9c034c56 82#include <catacomb/mp-fibonacci.h>
b6a86d2e 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>
d223dc6b 92#include <catacomb/x25519.h>
51f4de84 93#include <catacomb/x448.h>
70ed69c4 94#include <catacomb/ed25519.h>
aa53a95f 95#include <catacomb/ed448.h>
b6a86d2e 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
73a712fa 119#include <catacomb/share.h>
120#include <catacomb/gfshare.h>
121
b6a86d2e 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)
c6b05f1f 136#define OVFERR(str) EXCERR(PyExc_OverflowError, str)
b6a86d2e 137#define TYERR(str) EXCERR(PyExc_TypeError, str)
138#define ZDIVERR(str) EXCERR(PyExc_ZeroDivisionError, str)
b6a86d2e 139#define SYSERR(str) EXCERR(PyExc_SystemError, str)
68ec53f3 140#define NIERR(str) EXCERR(PyExc_NotImplementedError, str)
73a712fa 141#define INDEXERR(idx) do { \
142 PyErr_SetObject(PyExc_KeyError, idx); \
143 goto end; \
144} while (0)
b6a86d2e 145#define OSERR(name) do { \
146 PyErr_SetFromErrnoWithFilename(PyExc_OSError, name); \
147 goto end; \
148} while (0)
87aa2e3c 149#define PGENERR(exc) do { pgenerr(exc); goto end; } while (0)
b6a86d2e 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
d4a9e7e7
MW		 162#if PY_VERSION_HEX < 0x02050000 /* Compatibility hack */
163# define ht_name name
164# define ht_type type
165#endif
166
b6a86d2e 167#define root_pytype 0
168#define type_pytype &PyType_Type
017d5f65 169#define INITTYPE_META(ty, base, meta) do { \
b6a86d2e 170 ty##_pytype_skel.tp_base = base##_pytype; \
017d5f65 171 ty##_pytype = inittype(&ty##_pytype_skel, meta##_pytype); \
b6a86d2e 172} while (0)
017d5f65 173#define INITTYPE(ty, base) INITTYPE_META(ty, base, type)
b6a86d2e 174
87aa2e3c
MW		 175extern PyObject *home_module;
176
177#define INSERT(name, ob) do { \
b6a86d2e 178 PyObject *_o = (PyObject *)(ob); \
0b1eafbf 179 Py_INCREF(_o); \
b6a86d2e 180 PyModule_AddObject(mod, name, _o); \
181} while (0)
182
73a712fa 183#define INSEXC(name, var, base, meth) \
184 INSERT(name, var = mkexc(mod, base, name, meth))
185
b6a86d2e 186#define METH(func, doc) \
187 { #func, METHNAME(func), METH_VARARGS, doc },
188#define KWMETH(func, doc) \
189 { #func, (PyCFunction)METHNAME(func), \
190 METH_VARARGS | METH_KEYWORDS, doc },
191
192#define GET(func, doc) \
193 { #func, GETSETNAME(get, func), 0, doc },
194#define GETSET(func, doc) \
195 { #func, GETSETNAME(get, func), GETSETNAME(set, func), doc },
196
197#define MEMBER(name, ty, f, doc) \
198 { #name, ty, offsetof(MEMBERSTRUCT, name), f, doc },
199
73a712fa 200#define MODULES(_) \
dfe0a897 201 _(util) \
73a712fa 202 _(bytestring) _(buffer) \
203 _(rand) _(algorithms) _(pubkey) _(pgen) \
204 _(mp) _(field) _(ec) _(group) \
dfe0a897 205 _(passphrase) _(share) _(key)
b6a86d2e 206#define DOMODINIT(m) m##_pyinit();
207#define DOMODINSERT(m) m##_pyinsert(mod);
208#define INIT_MODULES do { MODULES(DOMODINIT) } while (0)
209#define INSERT_MODULES do { MODULES(DOMODINSERT) } while (0)
210
211#define DO(m) \
212 extern void m##_pyinit(void); \
213 extern void m##_pyinsert(PyObject *);
214MODULES(DO)
215#undef DO
216
ba45a729 217#define FREEOBJ(obj) \
218 (((PyObject *)(obj))->ob_type->tp_free((PyObject *)(obj)))
219
68ec53f3
MW		 220#define GEN(func, base) \
221 static PyObject *func(void) \
222 { \
223 PyObject *d = PyDict_New(); \
224 PyObject *o; \
225 int i; \
226 \
227 for (i = 0; g##base##tab[i]; i++) { \
228 o = gc##base##_pywrap((/*unconst*/ gc##base *)g##base##tab[i]); \
229 PyDict_SetItemString(d, \
230 (/*unconst*/ char *)g##base##tab[i]->name, \
231 o); \
232 Py_DECREF(o); \
233 } \
234 return (d); \
235 }
236
2ec562f1
MW		 237struct nameval { const char *name; unsigned f; unsigned long value; };
238#define CF_SIGNED 1u
68ec53f3
MW		 239extern void setconstants(PyObject *, const struct nameval *);
240
241extern PyObject *mexp_common(PyObject *, PyObject *, size_t,
242 PyObject *(*id)(PyObject *),
243 int (*fill)(void *, PyObject *,
244 PyObject *, PyObject *),
245 PyObject *(*exp)(PyObject *, void *, int),
246 void (*drop)(void *));
247
248extern int convulong(PyObject *, void *);
249#define DECL_CONVU_(n) extern int convu##n(PyObject *, void *);
250DOUINTSZ(DECL_CONVU_)
251extern int convmpw(PyObject *, void *);
252extern int convuint(PyObject *, void *);
1b6734b6 253extern int convk64(PyObject *, void *);
68ec53f3
MW		 254extern int convszt(PyObject *, void *);
255extern int convbool(PyObject *, void *);
256extern PyObject *abstract_pynew(PyTypeObject *, PyObject *, PyObject *);
257extern PyObject *getbool(int);
1e082a86 258extern PyObject *getulong(unsigned long);
1b6734b6 259extern PyObject *getk64(kludge64);
68ec53f3
MW		 260extern void *newtype(PyTypeObject *, const PyTypeObject *, const char *);
261
87aa2e3c
MW		 262struct excinfo { PyObject *ty, *val, *tb; };
263#define EXCINFO_INIT { 0, 0, 0 }
264
d2421f3c 265extern PyObject *mkexc(PyObject *, PyObject *, const char *, PyMethodDef *);
87aa2e3c
MW		 266#define INIT_EXCINFO(exc) do { \
267 struct excinfo *_exc = (exc); _exc->ty = _exc->val = _exc->tb = 0; \
268} while (0)
269#define RELEASE_EXCINFO(exc) do { \
270 struct excinfo *_exc = (exc); \
271 Py_XDECREF(_exc->ty); _exc->ty = 0; \
272 Py_XDECREF(_exc->val); _exc->val = 0; \
273 Py_XDECREF(_exc->tb); _exc->tb = 0; \
274} while (0)
275#define STASH_EXCINFO(exc) do { \
276 struct excinfo *_exc = (exc); \
277 PyErr_Fetch(&_exc->ty, &_exc->val, &_exc->tb); \
278 PyErr_NormalizeException(&_exc->ty, &_exc->val, &_exc->tb); \
279} while (0)
280#define RESTORE_EXCINFO(exc) do { \
281 struct excinfo *_exc = (exc); \
282 PyErr_Restore(_exc->ty, _exc->val, _exc->tb); \
283 _exc->ty = _exc->val = _exc->tb = 0; \
284} while (0)
285extern void report_lost_exception(struct excinfo *, const char *, ...);
286extern void report_lost_exception_v(struct excinfo *, const char *, va_list);
287extern void stash_exception(struct excinfo *, const char *, ...);
288extern void restore_exception(struct excinfo *, const char *, ...);
289
0156e402 290extern void typeready(PyTypeObject *);
017d5f65 291extern PyTypeObject *inittype(PyTypeObject *, PyTypeObject *);
68ec53f3
MW		 292extern void addmethods(const PyMethodDef *);
293extern PyMethodDef *donemethods(void);
294
295/*----- Mapping methods ---------------------------------------------------*/
296
297#define GMAP_METH(func, doc) { #func, gmapmeth_##func, METH_VARARGS, doc },
298#define GMAP_KWMETH(func, doc) \
299 { #func, (PyCFunction)gmapmeth_##func, METH_VARARGS|METH_KEYWORDS, doc },
300#define GMAP_METHDECL(func, doc) \
301 extern PyObject *gmapmeth_##func(PyObject *, PyObject *);
302#define GMAP_KWMETHDECL(func, doc) \
303 extern PyObject *gmapmeth_##func(PyObject *, PyObject *, PyObject *);
304
2a509510 305#define GMAP_DOROMETHODS(METH, KWMETH) \
68ec53f3
MW		 306 METH (has_key, "D.has_key(KEY) -> BOOL") \
307 METH (keys, "D.keys() -> LIST") \
308 METH (values, "D.values() -> LIST") \
309 METH (items, "D.items() -> LIST") \
310 METH (iterkeys, "D.iterkeys() -> ITER") \
311 METH (itervalues, "D.itervalues() -> ITER") \
0b1eafbf 312 METH (iteritems, "D.iteritems() -> ITER") \
68ec53f3 313 KWMETH(get, "D.get(KEY, [default = None]) -> VALUE") \
2a509510
MW		 314
315#define GMAP_DOMETHODS(METH, KWMETH) \
316 GMAP_DOROMETHODS(METH, KWMETH) \
317 METH (clear, "D.clear()") \
68ec53f3
MW		 318 KWMETH(setdefault, "D.setdefault(K, [default = None]) -> VALUE") \
319 KWMETH(pop, "D.pop(KEY, [default = <error>]) -> VALUE") \
320 METH (popitem, "D.popitem() -> (KEY, VALUE)") \
321 METH (update, "D.update(MAP)")
322
323GMAP_DOMETHODS(GMAP_METHDECL, GMAP_KWMETHDECL)
2a509510 324#define GMAP_ROMETHODS GMAP_DOROMETHODS(GMAP_METH, GMAP_KWMETH)
68ec53f3 325#define GMAP_METHODS GMAP_DOMETHODS(GMAP_METH, GMAP_KWMETH)
9d73ed80 326extern Py_ssize_t gmap_pysize(PyObject *);
68ec53f3
MW		 327extern PySequenceMethods gmap_pysequence;
328extern PyMethodDef gmap_pymethods[];
329
b6a86d2e 330/*----- Bytestrings -------------------------------------------------------*/
331
332PyTypeObject *bytestring_pyobj;
333PyObject *bytestring_pywrap(const void *, size_t);
334PyObject *bytestring_pywrapbuf(buf *);
335
336/*----- Multiprecision arithmetic -----------------------------------------*/
337
338typedef struct mp_pyobj {
339 PyObject_HEAD
340 mp *x;
341} mp_pyobj;
342
343extern PyTypeObject *mp_pytype;
344extern PyTypeObject *gf_pytype;
345#define MP_X(o) (((mp_pyobj *)(o))->x)
346#define MP_PYCHECK(o) PyObject_TypeCheck((o), mp_pytype)
347#define GF_PYCHECK(o) PyObject_TypeCheck((o), gf_pytype)
348
8d57d6ea
MW		 349extern mp *mp_frompylong(PyObject *);
350extern PyObject *mp_topylong(mp *);
b6a86d2e 351extern mp *tomp(PyObject *);
352extern mp *getmp(PyObject *);
353extern int convmp(PyObject *, void *);
354extern mp *getgf(PyObject *);
355extern int convgf(PyObject *, void *);
356extern PyObject *mp_pywrap(mp *);
357extern PyObject *gf_pywrap(mp *);
917dbf4b 358extern long mphash(mp *);
b6a86d2e 359extern mp *mp_frompyobject(PyObject *, int);
360extern PyObject *mp_topystring(mp *, int,
361 const char *, const char *, const char *);
41e8ab3d 362extern int mp_tolong_checked(mp *, long *, int);
b6a86d2e 363
364/*----- Abstract fields ---------------------------------------------------*/
365
366typedef struct field_pyobj {
f0526039 367 PyHeapTypeObject ty;
b6a86d2e 368 field *f;
369} field_pyobj;
370
371extern PyTypeObject *fe_pytype;
372#define FE_PYCHECK(o) PyObject_TypeCheck((o), fe_pytype)
373#define FE_F(o) (((fe_pyobj *)(o))->f)
374#define FE_FOBJ(o) ((PyObject *)(o)->ob_type)
375#define FE_X(o) (((fe_pyobj *)(o))->x)
376extern PyObject *fe_pywrap(PyObject *, mp *);
b6a86d2e 377
378typedef struct fe_pyobj {
379 PyObject_HEAD
380 field *f;
b6a86d2e 381 mp *x;
382} fe_pyobj;
0b1eafbf 383
b6a86d2e 384extern PyTypeObject *field_pytype;
385extern PyTypeObject *primefield_pytype;
386extern PyTypeObject *niceprimefield_pytype;
387extern PyTypeObject *binfield_pytype;
388extern PyTypeObject *binpolyfield_pytype;
389extern PyTypeObject *binnormfield_pytype;
390#define FIELD_PYCHECK(o) PyObject_TypeCheck((o), field_pytype)
391#define FIELD_F(o) (((field_pyobj *)(o))->f)
392extern PyObject *field_pywrap(field *);
393extern field *field_copy(field *);
394
395/*----- Elliptic curves ---------------------------------------------------*/
396
397typedef struct ecpt_pyobj {
398 PyObject_HEAD
399 ec_curve *c;
400 ec p;
401} ecpt_pyobj;
402
403extern PyTypeObject *ecpt_pytype, *ecptcurve_pytype;
404#define ECPT_PYCHECK(o) PyObject_TypeCheck((o), ecpt_pytype)
405#define ECPTCURVE_PYCHECK(o) PyObject_TypeCheck((o), ecptcurve_pytype)
406#define ECPT_C(o) (((ecpt_pyobj *)(o))->c)
407#define ECPT_COBJ(o) ((PyObject *)(o)->ob_type)
408#define ECPT_FOBJ(o) ECCURVE_FOBJ(ECPT_COBJ((o)))
409#define ECPT_P(o) (&((ecpt_pyobj *)(o))->p)
410extern PyObject *ecpt_pywrap(PyObject *, ec *);
411extern PyObject *ecpt_pywrapout(void *, ec *);
412extern int toecpt(ec_curve *, ec *, PyObject *);
413extern int getecpt(ec_curve *, ec *, PyObject *);
414extern void getecptout(ec *, PyObject *);
73a712fa 415extern int convecpt(PyObject *, void *);
b6a86d2e 416
417typedef struct eccurve_pyobj {
f0526039 418 PyHeapTypeObject ty;
b6a86d2e 419 ec_curve *c;
420 PyObject *fobj;
421} eccurve_pyobj;
422
423extern PyTypeObject *eccurve_pytype;
424extern PyTypeObject *ecprimecurve_pytype;
425extern PyTypeObject *ecprimeprojcurve_pytype;
426extern PyTypeObject *ecbincurve_pytype;
427extern PyTypeObject *ecbinprojcurve_pytype;
428#define ECCURVE_PYCHECK(o) PyObject_TypeCheck((o), eccurve_pytype)
429#define ECCURVE_C(o) (((eccurve_pyobj *)(o))->c)
430#define ECCURVE_FOBJ(o) (((eccurve_pyobj *)(o))->fobj)
431extern PyObject *eccurve_pywrap(PyObject *, ec_curve *);
432extern ec_curve *eccurve_copy(ec_curve *);
433
434typedef struct ecinfo_pyobj {
435 PyObject_HEAD
436 ec_info ei;
437 PyObject *cobj;
438} ecinfo_pyobj;
0b1eafbf 439
b6a86d2e 440extern PyTypeObject *ecinfo_pytype;
441#define ECINFO_PYCHECK(o) PyObject_TypeCheck((o), ecinfo_pytype)
442#define ECINFO_EI(o) (&((ecinfo_pyobj *)(o))->ei)
443#define ECINFO_COBJ(o) (((ecinfo_pyobj *)(o))->cobj)
444extern void ecinfo_copy(ec_info *, const ec_info *);
445extern PyObject *ecinfo_pywrap(ec_info *);
446
447/*----- Cyclic groups -----------------------------------------------------*/
448
449typedef struct fginfo_pyobj {
450 PyObject_HEAD
451 gprime_param dp;
452} fginfo_pyobj;
453
454PyTypeObject *fginfo_pytype, *dhinfo_pytype, *bindhinfo_pytype;
455#define FGINFO_DP(fg) (&((fginfo_pyobj *)(fg))->dp)
456PyObject *fginfo_pywrap(gprime_param *, PyTypeObject *);
457
458typedef struct ge_pyobj {
459 PyObject_HEAD
460 ge *x;
461 group *g;
462} ge_pyobj;
463
464extern PyTypeObject *ge_pytype;
465#define GE_PYCHECK(o) PyObject_TypeCheck((o), ge_pytype)
466#define GE_X(o) (((ge_pyobj *)(o))->x)
467#define GE_G(o) (((ge_pyobj *)(o))->g)
468#define GE_GOBJ(o) ((PyObject *)(group_pyobj *)(o)->ob_type)
469extern PyObject *ge_pywrap(PyObject *, ge *);
470
471typedef struct group_pyobj {
f0526039 472 PyHeapTypeObject ty;
b6a86d2e 473 group *g;
474} group_pyobj;
475
476extern PyTypeObject *group_pytype;
477extern PyTypeObject *primegroup_pytype, *bingroup_pytype, *ecgroup_pytype;
478#define GROUP_G(o) (((group_pyobj *)(o))->g)
479extern PyObject *group_pywrap(group *);
480extern group *group_copy(group *);
481
482/*----- Random number generators ------------------------------------------*/
483
484#define f_freeme 1u
485
486typedef struct grand_pyobj {
487 PyObject_HEAD
488 unsigned f;
489 grand *r;
490} grand_pyobj;
491
492extern PyTypeObject *grand_pytype, *truerand_pytype;
493extern PyTypeObject *lcrand_pytype,* fibrand_pytype;
494extern PyTypeObject *dsarand_pytype, *bbs_pytype;
495extern PyObject *rand_pyobj;
496#define GRAND_PYCHECK(o) PyObject_TypeCheck((o), grand_pytype)
497#define GRAND_F(o) (((grand_pyobj *)(o))->f)
498#define GRAND_R(o) (((grand_pyobj *)(o))->r)
499extern PyObject *grand_pywrap(grand *, unsigned);
500extern int convgrand(PyObject *, void *);
501
502/*----- Key sizes ---------------------------------------------------------*/
503
504typedef struct keysz_pyobj {
505 PyObject_HEAD
506 int dfl;
507} keysz_pyobj;
508
509typedef struct keyszrange_pyobj {
510 PyObject_HEAD
511 int dfl;
512 int min, max, mod;
513} keyszrange_pyobj;
514
515typedef struct keyszset_pyobj {
516 PyObject_HEAD
517 int dfl;
518 PyObject *set;
519} keyszset_pyobj;
520
521#define KEYSZ_PYCHECK(o) PyObject_TypeCheck((o), keysz_pytype)
522extern PyObject *keysz_pywrap(const octet *);
523
524/*----- Symmetric cryptography --------------------------------------------*/
525
526typedef struct gccipher_pyobj {
f0526039 527 PyHeapTypeObject ty;
b6a86d2e 528 gccipher *cc;
529} gccipher_pyobj;
530
531extern PyTypeObject *gccipher_pytype;
532#define GCCIPHER_PYCHECK(o) PyObject_TypeCheck((o), gccipher_pytype)
533#define GCCIPHER_CC(o) (((gccipher_pyobj *)(o))->cc)
534#define GCCIPHER_F(o) (((gccipher_pyobj *)(o))->f)
535extern PyObject *gccipher_pywrap(gccipher *);
536extern int convgccipher(PyObject *, void *);
537extern int convgcipher(PyObject *, void *);
538
539typedef struct gcipher_pyobj {
540 PyObject_HEAD
541 unsigned f;
542 gcipher *c;
543} gcipher_pyobj;
544
545extern PyTypeObject *gcipher_pytype;
546#define GCIPHER_PYCHECK(o) PyObject_TypeCheck((o), gcipher_pytype)
547#define GCIPHER_C(o) (((gcipher_pyobj *)(o))->c)
548#define GCIPHER_F(o) (((gcipher_pyobj *)(o))->f)
549extern PyObject *gcipher_pywrap(PyObject *, gcipher *, unsigned);
550extern int convgcipher(PyObject *, void *);
551
552typedef struct gchash_pyobj {
f0526039 553 PyHeapTypeObject ty;
b6a86d2e 554 gchash *ch;
555} gchash_pyobj;
556
557extern PyTypeObject *gchash_pytype;
558#define GCHASH_PYCHECK(o) PyObject_TypeCheck((o), gchash_pytype)
559#define GCHASH_CH(o) (((gchash_pyobj *)(o))->ch)
560#define GCHASH_F(o) (((gchash_pyobj *)(o))->f)
561extern PyObject *gchash_pywrap(gchash *);
562extern int convgchash(PyObject *, void *);
563
564typedef struct ghash_pyobj {
565 PyObject_HEAD
566 unsigned f;
567 ghash *h;
568} ghash_pyobj;
569
570extern PyTypeObject *ghash_pytype, *gmhash_pytype;
571extern PyObject *sha_pyobj, *has160_pyobj;
572#define GHASH_PYCHECK(o) PyObject_TypeCheck((o), ghash_pytype)
573#define GHASH_H(o) (((ghash_pyobj *)(o))->h)
574#define GHASH_F(o) (((ghash_pyobj *)(o))->f)
575extern PyObject *ghash_pywrap(PyObject *, ghash *, unsigned);
576extern int convghash(PyObject *, void *);
577extern int convgmhash(PyObject *, void *);
578
579typedef struct gcmac_pyobj {
f0526039 580 PyHeapTypeObject ty;
b6a86d2e 581 gcmac *cm;
582} gcmac_pyobj;
583
584extern PyTypeObject *gcmac_pytype;
585#define GCMAC_PYCHECK(o) PyObject_TypeCheck((o), gcmac_pytype)
586#define GCMAC_CM(o) (((gcmac_pyobj *)(o))->cm)
587#define GCMAC_F(o) (((gcmac_pyobj *)(o))->f)
588extern PyObject *gcmac_pywrap(gcmac *);
589extern int convgcmac(PyObject *, void *);
590
591typedef struct gmac_pyobj {
f0526039 592 PyHeapTypeObject ty;
b6a86d2e 593 unsigned f;
594 gmac *m;
b6a86d2e 595} gmac_pyobj;
596
597extern PyTypeObject *gmac_pytype;
598#define GMAC_PYCHECK(o) PyObject_TypeCheck((o), gmac_pytype)
599#define GMAC_M(o) (((gmac_pyobj *)(o))->m)
b6a86d2e 600#define GMAC_F(o) (((gmac_pyobj *)(o))->f)
601extern PyObject *gmac_pywrap(PyObject *, gmac *, unsigned);
602extern int convgmac(PyObject *, void *);
603
b6a86d2e 604/*----- Key generation ----------------------------------------------------*/
0b1eafbf 605
b6a86d2e 606typedef struct pfilt_pyobj {
607 PyObject_HEAD
608 pfilt f;
609 int st;
610} pfilt_pyobj;
611
612extern PyTypeObject *pfilt_pytype;
613#define PFILT_PYCHECK(o) PyObject_TypeCheck(o, pfilt_pytype)
614#define PFILT_F(o) (&((pfilt_pyobj *)(o))->f)
615#define PFILT_ST(o) (((pfilt_pyobj *)(o))->st)
616
617typedef struct { pgen_proc *proc; void *ctx; } pgev;
618#define PGEV_HEAD PyObject_HEAD pgev pg;
619
620typedef struct pgev_pyobj {
621 PGEV_HEAD
622} pgev_pyobj;
623
624extern PyTypeObject *pgev_pytype;
625#define PGEV_PYCHECK(o) PyObject_TypeCheck(o, pgev_pytype)
626#define PGEV_PG(o) (&((pgev_pyobj *)(o))->pg)
627
87aa2e3c
MW		 628typedef struct pypgev {
629 pgev ev;
630 PyObject *obj;
631 struct excinfo *exc;
632} pypgev;
633
b6a86d2e 634extern int convpgev(PyObject *, void *);
87aa2e3c
MW		 635extern void droppgev(pypgev *);
636extern void pgenerr(struct excinfo *exc);
b6a86d2e 637
b6a86d2e 638/*----- That's all, folks -------------------------------------------------*/
639
640#ifdef __cplusplus
641 }
642#endif
643
644#endif
The Python Kit for Extensions: a library for writing Python extensions