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 #include <catacomb/x25519.h>
  91 #include <catacomb/ed25519.h>
  92
  93 #include <catacomb/gf.h>
  94 #include <catacomb/gfreduce.h>
  95 #include <catacomb/gfn.h>
  96
  97 #include <catacomb/field.h>
  98 #include <catacomb/field-guts.h>
  99
 100 #include <catacomb/ec.h>
 101 #include <catacomb/ec-raw.h>
 102 #include <catacomb/ectab.h>
 103
 104 #include <catacomb/group.h>
 105 #include <catacomb/group-guts.h>
 106
 107 #include <catacomb/gdsa.h>
 108 #include <catacomb/gkcdsa.h>
 109 #include <catacomb/rsa.h>
 110
 111 #include <catacomb/key.h>
 112 #include <catacomb/passphrase.h>
 113 #include <catacomb/pixie.h>
 114
 115 #include <catacomb/share.h>
 116 #include <catacomb/gfshare.h>
 117
 118 /*----- Utility macros ----------------------------------------------------*/
 119
 120 #define RETURN_OBJ(obj) do { Py_INCREF(obj); return (obj); } while (0)
 121 #define RETURN_NONE RETURN_OBJ(Py_None)
 122 #define RETURN_NOTIMPL RETURN_OBJ(Py_NotImplemented)
 123 #define RETURN_TRUE RETURN_OBJ(Py_True)
 124 #define RETURN_FALSE RETURN_OBJ(Py_False)
 125 #define RETURN_ME RETURN_OBJ(me)
 126
 127 #define EXCERR(exc, str) do {                                           \
 128   PyErr_SetString(exc, str);                                            \
 129   goto end;                                                             \
 130 } while (0)
 131 #define VALERR(str) EXCERR(PyExc_ValueError, str)
 132 #define TYERR(str) EXCERR(PyExc_TypeError, str)
 133 #define ZDIVERR(str) EXCERR(PyExc_ZeroDivisionError, str)
 134 #define SYSERR(str) EXCERR(PyExc_SystemError, str)
 135 #define NIERR(str) EXCERR(PyExc_NotImplementedError, str)
 136 #define INDEXERR(idx) do {                                              \
 137   PyErr_SetObject(PyExc_KeyError, idx);                                 \
 138   goto end;                                                             \
 139 } while (0)
 140 #define OSERR(name) do {                                                \
 141   PyErr_SetFromErrnoWithFilename(PyExc_OSError, name);                  \
 142   goto end;                                                             \
 143 } while (0)
 144 #define PGENERR do { pgenerr(); goto end; } while (0)
 145
 146 #define CONVFUNC(ty, cty, ext)                                          \
 147   int conv##ty(PyObject *o, void *p)                                    \
 148   {                                                                     \
 149     if (!PyObject_TypeCheck(o, ty##_pytype))                            \
 150       TYERR("wanted a " #ty);                                           \
 151     *(cty *)p = ext(o);                                                 \
 152     return (1);                                                         \
 153   end:                                                                  \
 154     return (0);                                                         \
 155   }
 156
 157 #if PY_VERSION_HEX < 0x02050000         /* Compatibility hack */
 158 #  define ht_name name
 159 #  define ht_type type
 160 #endif
 161
 162 #define root_pytype 0
 163 #define type_pytype &PyType_Type
 164 #define INITTYPE_META(ty, base, meta) do {                              \
 165   ty##_pytype_skel.tp_base = base##_pytype;                             \
 166   ty##_pytype = inittype(&ty##_pytype_skel, meta##_pytype);             \
 167 } while (0)
 168 #define INITTYPE(ty, base) INITTYPE_META(ty, base, type)
 169
 170 #define INSERT(name, ob) do {                                           \
 171   PyObject *_o = (PyObject *)(ob);                                      \
 172   Py_INCREF(_o);                                                        \
 173   PyModule_AddObject(mod, name, _o);                                    \
 174 } while (0)
 175
 176 #define INSEXC(name, var, base, meth)                                   \
 177   INSERT(name, var = mkexc(mod, base, name, meth))
 178
 179 #define METH(func, doc)                                                 \
 180   { #func, METHNAME(func), METH_VARARGS, doc },
 181 #define KWMETH(func, doc)                                               \
 182   { #func, (PyCFunction)METHNAME(func),                                 \
 183     METH_VARARGS | METH_KEYWORDS, doc },
 184
 185 #define GET(func, doc)                                                  \
 186   { #func, GETSETNAME(get, func), 0, doc },
 187 #define GETSET(func, doc)                                               \
 188   { #func, GETSETNAME(get, func), GETSETNAME(set, func), doc },
 189
 190 #define MEMBER(name, ty, f, doc)                                        \
 191   { #name, ty, offsetof(MEMBERSTRUCT, name), f, doc },
 192
 193 #define MODULES(_)                                                      \
 194   _(util)                                                               \
 195   _(bytestring) _(buffer)                                               \
 196   _(rand) _(algorithms) _(pubkey) _(pgen)                               \
 197   _(mp) _(field) _(ec) _(group)                                         \
 198   _(passphrase) _(share) _(key)
 199 #define DOMODINIT(m) m##_pyinit();
 200 #define DOMODINSERT(m) m##_pyinsert(mod);
 201 #define INIT_MODULES do { MODULES(DOMODINIT) } while (0)
 202 #define INSERT_MODULES do { MODULES(DOMODINSERT) } while (0)
 203
 204 #define DO(m)                                                           \
 205   extern void m##_pyinit(void);                                         \
 206   extern void m##_pyinsert(PyObject *);
 207 MODULES(DO)
 208 #undef DO
 209
 210 #define FREEOBJ(obj)                                                    \
 211   (((PyObject *)(obj))->ob_type->tp_free((PyObject *)(obj)))
 212
 213 #define GEN(func, base)                                                 \
 214   static PyObject *func(void)                                           \
 215   {                                                                     \
 216     PyObject *d = PyDict_New();                                         \
 217     PyObject *o;                                                        \
 218     int i;                                                              \
 219                                                                         \
 220     for (i = 0; g##base##tab[i]; i++) {                                 \
 221       o = gc##base##_pywrap((/*unconst*/ gc##base *)g##base##tab[i]);   \
 222       PyDict_SetItemString(d,                                           \
 223                            (/*unconst*/ char *)g##base##tab[i]->name,   \
 224                            o);                                          \
 225       Py_DECREF(o);                                                     \
 226     }                                                                   \
 227     return (d);                                                         \
 228   }
 229
 230 struct nameval { const char *name; unsigned long value; };
 231 extern void setconstants(PyObject *, const struct nameval *);
 232
 233 extern PyObject *mexp_common(PyObject *, PyObject *, size_t,
 234                              PyObject *(*id)(PyObject *),
 235                              int (*fill)(void *, PyObject *,
 236                                          PyObject *, PyObject *),
 237                              PyObject *(*exp)(PyObject *, void *, int),
 238                              void (*drop)(void *));
 239
 240 extern int convulong(PyObject *, void *);
 241 #define DECL_CONVU_(n) extern int convu##n(PyObject *, void *);
 242 DOUINTSZ(DECL_CONVU_)
 243 extern int convmpw(PyObject *, void *);
 244 extern int convuint(PyObject *, void *);
 245 extern int convk64(PyObject *, void *);
 246 extern int convszt(PyObject *, void *);
 247 extern int convbool(PyObject *, void *);
 248 extern PyObject *abstract_pynew(PyTypeObject *, PyObject *, PyObject *);
 249 extern PyObject *getbool(int);
 250 extern PyObject *getulong(unsigned long);
 251 extern PyObject *getk64(kludge64);
 252 extern void *newtype(PyTypeObject *, const PyTypeObject *, const char *);
 253
 254 extern PyObject *mkexc(PyObject *, PyObject *, const char *, PyMethodDef *);
 255 extern void typeready(PyTypeObject *);
 256 extern PyTypeObject *inittype(PyTypeObject *, PyTypeObject *);
 257 extern void addmethods(const PyMethodDef *);
 258 extern PyMethodDef *donemethods(void);
 259
 260 /*----- Mapping methods ---------------------------------------------------*/
 261
 262 #define GMAP_METH(func, doc) { #func, gmapmeth_##func, METH_VARARGS, doc },
 263 #define GMAP_KWMETH(func, doc)                                          \
 264   { #func, (PyCFunction)gmapmeth_##func, METH_VARARGS|METH_KEYWORDS, doc },
 265 #define GMAP_METHDECL(func, doc)                                        \
 266   extern PyObject *gmapmeth_##func(PyObject *, PyObject *);
 267 #define GMAP_KWMETHDECL(func, doc)                                      \
 268   extern PyObject *gmapmeth_##func(PyObject *, PyObject *, PyObject *);
 269
 270 #define GMAP_DOROMETHODS(METH, KWMETH)                                  \
 271   METH  (has_key,       "D.has_key(KEY) -> BOOL")                       \
 272   METH  (keys,          "D.keys() -> LIST")                             \
 273   METH  (values,        "D.values() -> LIST")                           \
 274   METH  (items,         "D.items() -> LIST")                            \
 275   METH  (iterkeys,      "D.iterkeys() -> ITER")                         \
 276   METH  (itervalues,    "D.itervalues() -> ITER")                       \
 277   METH  (iteritems,     "D.iteritems() -> ITER")                        \
 278   KWMETH(get,           "D.get(KEY, [default = None]) -> VALUE")        \
 279
 280 #define GMAP_DOMETHODS(METH, KWMETH)                                    \
 281   GMAP_DOROMETHODS(METH, KWMETH)                                        \
 282   METH  (clear,         "D.clear()")                                    \
 283   KWMETH(setdefault,    "D.setdefault(K, [default = None]) -> VALUE")   \
 284   KWMETH(pop,           "D.pop(KEY, [default = <error>]) -> VALUE")     \
 285   METH  (popitem,       "D.popitem() -> (KEY, VALUE)")                  \
 286   METH  (update,        "D.update(MAP)")
 287
 288 GMAP_DOMETHODS(GMAP_METHDECL, GMAP_KWMETHDECL)
 289 #define GMAP_ROMETHODS GMAP_DOROMETHODS(GMAP_METH, GMAP_KWMETH)
 290 #define GMAP_METHODS GMAP_DOMETHODS(GMAP_METH, GMAP_KWMETH)
 291 extern Py_ssize_t gmap_pysize(PyObject *);
 292 extern PySequenceMethods gmap_pysequence;
 293 extern PyMethodDef gmap_pymethods[];
 294
 295 /*----- Bytestrings -------------------------------------------------------*/
 296
 297 PyTypeObject *bytestring_pyobj;
 298 PyObject *bytestring_pywrap(const void *, size_t);
 299 PyObject *bytestring_pywrapbuf(buf *);
 300
 301 /*----- Multiprecision arithmetic -----------------------------------------*/
 302
 303 typedef struct mp_pyobj {
 304   PyObject_HEAD
 305   mp *x;
 306 } mp_pyobj;
 307
 308 extern PyTypeObject *mp_pytype;
 309 extern PyTypeObject *gf_pytype;
 310 #define MP_X(o) (((mp_pyobj *)(o))->x)
 311 #define MP_PYCHECK(o) PyObject_TypeCheck((o), mp_pytype)
 312 #define GF_PYCHECK(o) PyObject_TypeCheck((o), gf_pytype)
 313
 314 extern mp *mp_frompylong(PyObject *);
 315 extern PyObject *mp_topylong(mp *);
 316 extern mp *tomp(PyObject *);
 317 extern mp *getmp(PyObject *);
 318 extern int convmp(PyObject *, void *);
 319 extern mp *getgf(PyObject *);
 320 extern int convgf(PyObject *, void *);
 321 extern PyObject *mp_pywrap(mp *);
 322 extern PyObject *gf_pywrap(mp *);
 323 extern mp *mp_frompyobject(PyObject *, int);
 324 extern PyObject *mp_topystring(mp *, int,
 325                                const char *, const char *, const char *);
 326 extern int mp_tolong_checked(mp *, long *, int);
 327
 328 /*----- Abstract fields ---------------------------------------------------*/
 329
 330 typedef struct field_pyobj {
 331   PyHeapTypeObject ty;
 332   field *f;
 333 } field_pyobj;
 334
 335 extern PyTypeObject *fe_pytype;
 336 #define FE_PYCHECK(o) PyObject_TypeCheck((o), fe_pytype)
 337 #define FE_F(o) (((fe_pyobj *)(o))->f)
 338 #define FE_FOBJ(o) ((PyObject *)(o)->ob_type)
 339 #define FE_X(o) (((fe_pyobj *)(o))->x)
 340 extern PyObject *fe_pywrap(PyObject *, mp *);
 341 extern mp *getfe(field *, PyObject *);
 342
 343 typedef struct fe_pyobj {
 344   PyObject_HEAD
 345   field *f;
 346   mp *x;
 347 } fe_pyobj;
 348
 349 extern PyTypeObject *field_pytype;
 350 extern PyTypeObject *primefield_pytype;
 351 extern PyTypeObject *niceprimefield_pytype;
 352 extern PyTypeObject *binfield_pytype;
 353 extern PyTypeObject *binpolyfield_pytype;
 354 extern PyTypeObject *binnormfield_pytype;
 355 #define FIELD_PYCHECK(o) PyObject_TypeCheck((o), field_pytype)
 356 #define FIELD_F(o) (((field_pyobj *)(o))->f)
 357 extern PyObject *field_pywrap(field *);
 358 extern field *field_copy(field *);
 359
 360 /*----- Elliptic curves ---------------------------------------------------*/
 361
 362 typedef struct ecpt_pyobj {
 363   PyObject_HEAD
 364   ec_curve *c;
 365   ec p;
 366 } ecpt_pyobj;
 367
 368 extern PyTypeObject *ecpt_pytype, *ecptcurve_pytype;
 369 #define ECPT_PYCHECK(o) PyObject_TypeCheck((o), ecpt_pytype)
 370 #define ECPTCURVE_PYCHECK(o) PyObject_TypeCheck((o), ecptcurve_pytype)
 371 #define ECPT_C(o) (((ecpt_pyobj *)(o))->c)
 372 #define ECPT_COBJ(o) ((PyObject *)(o)->ob_type)
 373 #define ECPT_FOBJ(o) ECCURVE_FOBJ(ECPT_COBJ((o)))
 374 #define ECPT_P(o) (&((ecpt_pyobj *)(o))->p)
 375 extern PyObject *ecpt_pywrap(PyObject *, ec *);
 376 extern PyObject *ecpt_pywrapout(void *, ec *);
 377 extern int toecpt(ec_curve *, ec *, PyObject *);
 378 extern int getecpt(ec_curve *, ec *, PyObject *);
 379 extern void getecptout(ec *, PyObject *);
 380 extern int convecpt(PyObject *, void *);
 381
 382 typedef struct eccurve_pyobj {
 383   PyHeapTypeObject ty;
 384   ec_curve *c;
 385   PyObject *fobj;
 386 } eccurve_pyobj;
 387
 388 extern PyTypeObject *eccurve_pytype;
 389 extern PyTypeObject *ecprimecurve_pytype;
 390 extern PyTypeObject *ecprimeprojcurve_pytype;
 391 extern PyTypeObject *ecbincurve_pytype;
 392 extern PyTypeObject *ecbinprojcurve_pytype;
 393 #define ECCURVE_PYCHECK(o) PyObject_TypeCheck((o), eccurve_pytype)
 394 #define ECCURVE_C(o) (((eccurve_pyobj *)(o))->c)
 395 #define ECCURVE_FOBJ(o) (((eccurve_pyobj *)(o))->fobj)
 396 extern PyObject *eccurve_pywrap(PyObject *, ec_curve *);
 397 extern ec_curve *eccurve_copy(ec_curve *);
 398
 399 typedef struct ecinfo_pyobj {
 400   PyObject_HEAD
 401   ec_info ei;
 402   PyObject *cobj;
 403 } ecinfo_pyobj;
 404
 405 extern PyTypeObject *ecinfo_pytype;
 406 #define ECINFO_PYCHECK(o) PyObject_TypeCheck((o), ecinfo_pytype)
 407 #define ECINFO_EI(o) (&((ecinfo_pyobj *)(o))->ei)
 408 #define ECINFO_COBJ(o) (((ecinfo_pyobj *)(o))->cobj)
 409 extern void ecinfo_copy(ec_info *, const ec_info *);
 410 extern PyObject *ecinfo_pywrap(ec_info *);
 411
 412 /*----- Cyclic groups -----------------------------------------------------*/
 413
 414 typedef struct fginfo_pyobj {
 415   PyObject_HEAD
 416   gprime_param dp;
 417 } fginfo_pyobj;
 418
 419 PyTypeObject *fginfo_pytype, *dhinfo_pytype, *bindhinfo_pytype;
 420 #define FGINFO_DP(fg) (&((fginfo_pyobj *)(fg))->dp)
 421 PyObject *fginfo_pywrap(gprime_param *, PyTypeObject *);
 422
 423 typedef struct ge_pyobj {
 424   PyObject_HEAD
 425   ge *x;
 426   group *g;
 427 } ge_pyobj;
 428
 429 extern PyTypeObject *ge_pytype;
 430 #define GE_PYCHECK(o) PyObject_TypeCheck((o), ge_pytype)
 431 #define GE_X(o) (((ge_pyobj *)(o))->x)
 432 #define GE_G(o) (((ge_pyobj *)(o))->g)
 433 #define GE_GOBJ(o) ((PyObject *)(group_pyobj *)(o)->ob_type)
 434 extern PyObject *ge_pywrap(PyObject *, ge *);
 435
 436 typedef struct group_pyobj {
 437   PyHeapTypeObject ty;
 438   group *g;
 439 } group_pyobj;
 440
 441 extern PyTypeObject *group_pytype;
 442 extern PyTypeObject *primegroup_pytype, *bingroup_pytype, *ecgroup_pytype;
 443 #define GROUP_G(o) (((group_pyobj *)(o))->g)
 444 extern PyObject *group_pywrap(group *);
 445 extern group *group_copy(group *);
 446
 447 /*----- Random number generators ------------------------------------------*/
 448
 449 #define f_freeme 1u
 450
 451 typedef struct grand_pyobj {
 452   PyObject_HEAD
 453   unsigned f;
 454   grand *r;
 455 } grand_pyobj;
 456
 457 extern PyTypeObject *grand_pytype, *truerand_pytype;
 458 extern PyTypeObject *lcrand_pytype,* fibrand_pytype;
 459 extern PyTypeObject *dsarand_pytype, *bbs_pytype;
 460 extern PyObject *rand_pyobj;
 461 #define GRAND_PYCHECK(o) PyObject_TypeCheck((o), grand_pytype)
 462 #define GRAND_F(o) (((grand_pyobj *)(o))->f)
 463 #define GRAND_R(o) (((grand_pyobj *)(o))->r)
 464 extern PyObject *grand_pywrap(grand *, unsigned);
 465 extern int convgrand(PyObject *, void *);
 466
 467 /*----- Key sizes ---------------------------------------------------------*/
 468
 469 typedef struct keysz_pyobj {
 470   PyObject_HEAD
 471   int dfl;
 472 } keysz_pyobj;
 473
 474 typedef struct keyszrange_pyobj {
 475   PyObject_HEAD
 476   int dfl;
 477   int min, max, mod;
 478 } keyszrange_pyobj;
 479
 480 typedef struct keyszset_pyobj {
 481   PyObject_HEAD
 482   int dfl;
 483   PyObject *set;
 484 } keyszset_pyobj;
 485
 486 #define KEYSZ_PYCHECK(o) PyObject_TypeCheck((o), keysz_pytype)
 487 extern PyObject *keysz_pywrap(const octet *);
 488
 489 /*----- Symmetric cryptography --------------------------------------------*/
 490
 491 typedef struct gccipher_pyobj {
 492   PyHeapTypeObject ty;
 493   gccipher *cc;
 494 } gccipher_pyobj;
 495
 496 extern PyTypeObject *gccipher_pytype;
 497 #define GCCIPHER_PYCHECK(o) PyObject_TypeCheck((o), gccipher_pytype)
 498 #define GCCIPHER_CC(o) (((gccipher_pyobj *)(o))->cc)
 499 #define GCCIPHER_F(o) (((gccipher_pyobj *)(o))->f)
 500 extern PyObject *gccipher_pywrap(gccipher *);
 501 extern int convgccipher(PyObject *, void *);
 502 extern int convgcipher(PyObject *, void *);
 503
 504 typedef struct gcipher_pyobj {
 505   PyObject_HEAD
 506   unsigned f;
 507   gcipher *c;
 508 } gcipher_pyobj;
 509
 510 extern PyTypeObject *gcipher_pytype;
 511 #define GCIPHER_PYCHECK(o) PyObject_TypeCheck((o), gcipher_pytype)
 512 #define GCIPHER_C(o) (((gcipher_pyobj *)(o))->c)
 513 #define GCIPHER_F(o) (((gcipher_pyobj *)(o))->f)
 514 extern PyObject *gcipher_pywrap(PyObject *, gcipher *, unsigned);
 515 extern int convgcipher(PyObject *, void *);
 516
 517 typedef struct gchash_pyobj {
 518   PyHeapTypeObject ty;
 519   gchash *ch;
 520 } gchash_pyobj;
 521
 522 extern PyTypeObject *gchash_pytype;
 523 #define GCHASH_PYCHECK(o) PyObject_TypeCheck((o), gchash_pytype)
 524 #define GCHASH_CH(o) (((gchash_pyobj *)(o))->ch)
 525 #define GCHASH_F(o) (((gchash_pyobj *)(o))->f)
 526 extern PyObject *gchash_pywrap(gchash *);
 527 extern int convgchash(PyObject *, void *);
 528
 529 typedef struct ghash_pyobj {
 530   PyObject_HEAD
 531   unsigned f;
 532   ghash *h;
 533 } ghash_pyobj;
 534
 535 extern PyTypeObject *ghash_pytype, *gmhash_pytype;
 536 extern PyObject *sha_pyobj, *has160_pyobj;
 537 #define GHASH_PYCHECK(o) PyObject_TypeCheck((o), ghash_pytype)
 538 #define GHASH_H(o) (((ghash_pyobj *)(o))->h)
 539 #define GHASH_F(o) (((ghash_pyobj *)(o))->f)
 540 extern PyObject *ghash_pywrap(PyObject *, ghash *, unsigned);
 541 extern int convghash(PyObject *, void *);
 542 extern int convgmhash(PyObject *, void *);
 543
 544 typedef struct gcmac_pyobj {
 545   PyHeapTypeObject ty;
 546   gcmac *cm;
 547 } gcmac_pyobj;
 548
 549 extern PyTypeObject *gcmac_pytype;
 550 #define GCMAC_PYCHECK(o) PyObject_TypeCheck((o), gcmac_pytype)
 551 #define GCMAC_CM(o) (((gcmac_pyobj *)(o))->cm)
 552 #define GCMAC_F(o) (((gcmac_pyobj *)(o))->f)
 553 extern PyObject *gcmac_pywrap(gcmac *);
 554 extern int convgcmac(PyObject *, void *);
 555
 556 typedef struct gmac_pyobj {
 557   PyHeapTypeObject ty;
 558   unsigned f;
 559   gmac *m;
 560 } gmac_pyobj;
 561
 562 extern PyTypeObject *gmac_pytype;
 563 #define GMAC_PYCHECK(o) PyObject_TypeCheck((o), gmac_pytype)
 564 #define GMAC_M(o) (((gmac_pyobj *)(o))->m)
 565 #define GMAC_F(o) (((gmac_pyobj *)(o))->f)
 566 extern PyObject *gmac_pywrap(PyObject *, gmac *, unsigned);
 567 extern int convgmac(PyObject *, void *);
 568
 569 /*----- Key generation ----------------------------------------------------*/
 570
 571 typedef struct pfilt_pyobj {
 572   PyObject_HEAD
 573   pfilt f;
 574   int st;
 575 } pfilt_pyobj;
 576
 577 extern PyTypeObject *pfilt_pytype;
 578 #define PFILT_PYCHECK(o) PyObject_TypeCheck(o, pfilt_pytype)
 579 #define PFILT_F(o) (&((pfilt_pyobj *)(o))->f)
 580 #define PFILT_ST(o) (((pfilt_pyobj *)(o))->st)
 581
 582 typedef struct { pgen_proc *proc; void *ctx; } pgev;
 583 #define PGEV_HEAD PyObject_HEAD pgev pg;
 584
 585 typedef struct pgev_pyobj {
 586   PGEV_HEAD
 587 } pgev_pyobj;
 588
 589 extern PyTypeObject *pgev_pytype;
 590 #define PGEV_PYCHECK(o) PyObject_TypeCheck(o, pgev_pytype)
 591 #define PGEV_PG(o) (&((pgev_pyobj *)(o))->pg)
 592
 593 extern int convpgev(PyObject *, void *);
 594 extern void droppgev(pgev *);
 595 extern void pgenerr(void);
 596
 597 /*----- That's all, folks -------------------------------------------------*/
 598
 599 #ifdef __cplusplus
 600   }
 601 #endif
 602
 603 #endif