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