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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 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 #define GCCIPHER_F(o) (((gccipher_pyobj *)(o))->f)
 507 extern PyObject *gccipher_pywrap(gccipher *);
 508 extern int convgccipher(PyObject *, void *);
 509
 510 typedef struct gcipher_pyobj {
 511   PyObject_HEAD
 512   unsigned f;
 513   gcipher *c;
 514 } gcipher_pyobj;
 515
 516 extern PyTypeObject *gcipher_pytype;
 517 #define GCIPHER_PYCHECK(o) PyObject_TypeCheck((o), gcipher_pytype)
 518 #define GCIPHER_C(o) (((gcipher_pyobj *)(o))->c)
 519 #define GCIPHER_F(o) (((gcipher_pyobj *)(o))->f)
 520 extern PyObject *gcipher_pywrap(PyObject *, gcipher *, unsigned);
 521 extern int convgcipher(PyObject *, void *);
 522
 523 typedef struct gchash_pyobj {
 524   PyHeapTypeObject ty;
 525   gchash *ch;
 526 } gchash_pyobj;
 527
 528 extern PyTypeObject *gchash_pytype;
 529 #define GCHASH_PYCHECK(o) PyObject_TypeCheck((o), gchash_pytype)
 530 #define GCHASH_CH(o) (((gchash_pyobj *)(o))->ch)
 531 #define GCHASH_F(o) (((gchash_pyobj *)(o))->f)
 532 extern PyObject *gchash_pywrap(gchash *);
 533 extern int convgchash(PyObject *, void *);
 534
 535 typedef struct ghash_pyobj {
 536   PyObject_HEAD
 537   unsigned f;
 538   ghash *h;
 539 } ghash_pyobj;
 540
 541 extern PyTypeObject *ghash_pytype, *gmhash_pytype;
 542 extern PyObject *sha_pyobj, *has160_pyobj;
 543 #define GHASH_PYCHECK(o) PyObject_TypeCheck((o), ghash_pytype)
 544 #define GHASH_H(o) (((ghash_pyobj *)(o))->h)
 545 #define GHASH_F(o) (((ghash_pyobj *)(o))->f)
 546 extern PyObject *ghash_pywrap(PyObject *, ghash *, unsigned);
 547 extern int convghash(PyObject *, void *);
 548 extern int convgmhash(PyObject *, void *);
 549
 550 typedef struct gcmac_pyobj {
 551   PyHeapTypeObject ty;
 552   gcmac *cm;
 553 } gcmac_pyobj;
 554
 555 extern PyTypeObject *gcmac_pytype;
 556 #define GCMAC_PYCHECK(o) PyObject_TypeCheck((o), gcmac_pytype)
 557 #define GCMAC_CM(o) (((gcmac_pyobj *)(o))->cm)
 558 #define GCMAC_F(o) (((gcmac_pyobj *)(o))->f)
 559 extern PyObject *gcmac_pywrap(gcmac *);
 560 extern int convgcmac(PyObject *, void *);
 561
 562 typedef struct gmac_pyobj {
 563   PyHeapTypeObject ty;
 564   unsigned f;
 565   gmac *m;
 566 } gmac_pyobj;
 567
 568 extern PyTypeObject *gmac_pytype;
 569 #define GMAC_PYCHECK(o) PyObject_TypeCheck((o), gmac_pytype)
 570 #define GMAC_M(o) (((gmac_pyobj *)(o))->m)
 571 #define GMAC_F(o) (((gmac_pyobj *)(o))->f)
 572 extern PyObject *gmac_pywrap(PyObject *, gmac *, unsigned);
 573 extern int convgmac(PyObject *, void *);
 574
 575 /*----- Key generation ----------------------------------------------------*/
 576
 577 typedef struct pfilt_pyobj {
 578   PyObject_HEAD
 579   pfilt f;
 580   int st;
 581 } pfilt_pyobj;
 582
 583 extern PyTypeObject *pfilt_pytype;
 584 #define PFILT_PYCHECK(o) PyObject_TypeCheck(o, pfilt_pytype)
 585 #define PFILT_F(o) (&((pfilt_pyobj *)(o))->f)
 586 #define PFILT_ST(o) (((pfilt_pyobj *)(o))->st)
 587
 588 typedef struct { pgen_proc *proc; void *ctx; } pgev;
 589 #define PGEV_HEAD PyObject_HEAD pgev pg;
 590
 591 typedef struct pgev_pyobj {
 592   PGEV_HEAD
 593 } pgev_pyobj;
 594
 595 extern PyTypeObject *pgev_pytype;
 596 #define PGEV_PYCHECK(o) PyObject_TypeCheck(o, pgev_pytype)
 597 #define PGEV_PG(o) (&((pgev_pyobj *)(o))->pg)
 598
 599 extern int convpgev(PyObject *, void *);
 600 extern void droppgev(pgev *);
 601 extern void pgenerr(void);
 602
 603 /*----- That's all, folks -------------------------------------------------*/
 604
 605 #ifdef __cplusplus
 606   }
 607 #endif
 608
 609 #endif