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 #include <catacomb/keccak1600.h>
  73 #include <catacomb/sha3.h>
  74
  75 #include <catacomb/mp.h>
  76 #include <catacomb/mpint.h>
  77 #include <catacomb/mpmul.h>
  78 #include <catacomb/mpcrt.h>
  79 #include <catacomb/mpmont.h>
  80 #include <catacomb/mpbarrett.h>
  81 #include <catacomb/mpreduce.h>
  82 #include <catacomb/mp-fibonacci.h>
  83
  84 #include <catacomb/pgen.h>
  85 #include <catacomb/pfilt.h>
  86 #include <catacomb/strongprime.h>
  87 #include <catacomb/limlee.h>
  88 #include <catacomb/dh.h>
  89 #include <catacomb/ptab.h>
  90 #include <catacomb/bintab.h>
  91 #include <catacomb/dsa.h>
  92 #include <catacomb/x25519.h>
  93 #include <catacomb/x448.h>
  94 #include <catacomb/ed25519.h>
  95 #include <catacomb/ed448.h>
  96
  97 #include <catacomb/gf.h>
  98 #include <catacomb/gfreduce.h>
  99 #include <catacomb/gfn.h>
 100
 101 #include <catacomb/field.h>
 102 #include <catacomb/field-guts.h>
 103
 104 #include <catacomb/ec.h>
 105 #include <catacomb/ec-raw.h>
 106 #include <catacomb/ectab.h>
 107
 108 #include <catacomb/group.h>
 109 #include <catacomb/group-guts.h>
 110
 111 #include <catacomb/gdsa.h>
 112 #include <catacomb/gkcdsa.h>
 113 #include <catacomb/rsa.h>
 114
 115 #include <catacomb/key.h>
 116 #include <catacomb/passphrase.h>
 117 #include <catacomb/pixie.h>
 118
 119 #include <catacomb/share.h>
 120 #include <catacomb/gfshare.h>
 121
 122 /*----- Utility macros ----------------------------------------------------*/
 123
 124 #define RETURN_OBJ(obj) do { Py_INCREF(obj); return (obj); } while (0)
 125 #define RETURN_NONE RETURN_OBJ(Py_None)
 126 #define RETURN_NOTIMPL RETURN_OBJ(Py_NotImplemented)
 127 #define RETURN_TRUE RETURN_OBJ(Py_True)
 128 #define RETURN_FALSE RETURN_OBJ(Py_False)
 129 #define RETURN_ME RETURN_OBJ(me)
 130
 131 #define EXCERR(exc, str) do {                                           \
 132   PyErr_SetString(exc, str);                                            \
 133   goto end;                                                             \
 134 } while (0)
 135 #define VALERR(str) EXCERR(PyExc_ValueError, str)
 136 #define TYERR(str) EXCERR(PyExc_TypeError, str)
 137 #define ZDIVERR(str) EXCERR(PyExc_ZeroDivisionError, str)
 138 #define SYSERR(str) EXCERR(PyExc_SystemError, str)
 139 #define NIERR(str) EXCERR(PyExc_NotImplementedError, str)
 140 #define INDEXERR(idx) do {                                              \
 141   PyErr_SetObject(PyExc_KeyError, idx);                                 \
 142   goto end;                                                             \
 143 } while (0)
 144 #define OSERR(name) do {                                                \
 145   PyErr_SetFromErrnoWithFilename(PyExc_OSError, name);                  \
 146   goto end;                                                             \
 147 } while (0)
 148 #define PGENERR do { pgenerr(); goto end; } while (0)
 149
 150 #define CONVFUNC(ty, cty, ext)                                          \
 151   int conv##ty(PyObject *o, void *p)                                    \
 152   {                                                                     \
 153     if (!PyObject_TypeCheck(o, ty##_pytype))                            \
 154       TYERR("wanted a " #ty);                                           \
 155     *(cty *)p = ext(o);                                                 \
 156     return (1);                                                         \
 157   end:                                                                  \
 158     return (0);                                                         \
 159   }
 160
 161 #if PY_VERSION_HEX < 0x02050000         /* Compatibility hack */
 162 #  define ht_name name
 163 #  define ht_type type
 164 #endif
 165
 166 #define root_pytype 0
 167 #define type_pytype &PyType_Type
 168 #define INITTYPE_META(ty, base, meta) do {                              \
 169   ty##_pytype_skel.tp_base = base##_pytype;                             \
 170   ty##_pytype = inittype(&ty##_pytype_skel, meta##_pytype);             \
 171 } while (0)
 172 #define INITTYPE(ty, base) INITTYPE_META(ty, base, type)
 173
 174 #define INSERT(name, ob) do {                                           \
 175   PyObject *_o = (PyObject *)(ob);                                      \
 176   Py_INCREF(_o);                                                        \
 177   PyModule_AddObject(mod, name, _o);                                    \
 178 } while (0)
 179
 180 #define INSEXC(name, var, base, meth)                                   \
 181   INSERT(name, var = mkexc(mod, base, name, meth))
 182
 183 #define METH(func, doc)                                                 \
 184   { #func, METHNAME(func), METH_VARARGS, doc },
 185 #define KWMETH(func, doc)                                               \
 186   { #func, (PyCFunction)METHNAME(func),                                 \
 187     METH_VARARGS | METH_KEYWORDS, doc },
 188
 189 #define GET(func, doc)                                                  \
 190   { #func, GETSETNAME(get, func), 0, doc },
 191 #define GETSET(func, doc)                                               \
 192   { #func, GETSETNAME(get, func), GETSETNAME(set, func), doc },
 193
 194 #define MEMBER(name, ty, f, doc)                                        \
 195   { #name, ty, offsetof(MEMBERSTRUCT, name), f, doc },
 196
 197 #define MODULES(_)                                                      \
 198   _(util)                                                               \
 199   _(bytestring) _(buffer)                                               \
 200   _(rand) _(algorithms) _(pubkey) _(pgen)                               \
 201   _(mp) _(field) _(ec) _(group)                                         \
 202   _(passphrase) _(share) _(key)
 203 #define DOMODINIT(m) m##_pyinit();
 204 #define DOMODINSERT(m) m##_pyinsert(mod);
 205 #define INIT_MODULES do { MODULES(DOMODINIT) } while (0)
 206 #define INSERT_MODULES do { MODULES(DOMODINSERT) } while (0)
 207
 208 #define DO(m)                                                           \
 209   extern void m##_pyinit(void);                                         \
 210   extern void m##_pyinsert(PyObject *);
 211 MODULES(DO)
 212 #undef DO
 213
 214 #define FREEOBJ(obj)                                                    \
 215   (((PyObject *)(obj))->ob_type->tp_free((PyObject *)(obj)))
 216
 217 #define GEN(func, base)                                                 \
 218   static PyObject *func(void)                                           \
 219   {                                                                     \
 220     PyObject *d = PyDict_New();                                         \
 221     PyObject *o;                                                        \
 222     int i;                                                              \
 223                                                                         \
 224     for (i = 0; g##base##tab[i]; i++) {                                 \
 225       o = gc##base##_pywrap((/*unconst*/ gc##base *)g##base##tab[i]);   \
 226       PyDict_SetItemString(d,                                           \
 227                            (/*unconst*/ char *)g##base##tab[i]->name,   \
 228                            o);                                          \
 229       Py_DECREF(o);                                                     \
 230     }                                                                   \
 231     return (d);                                                         \
 232   }
 233
 234 struct nameval { const char *name; unsigned long value; };
 235 extern void setconstants(PyObject *, const struct nameval *);
 236
 237 extern PyObject *mexp_common(PyObject *, PyObject *, size_t,
 238                              PyObject *(*id)(PyObject *),
 239                              int (*fill)(void *, PyObject *,
 240                                          PyObject *, PyObject *),
 241                              PyObject *(*exp)(PyObject *, void *, int),
 242                              void (*drop)(void *));
 243
 244 extern int convulong(PyObject *, void *);
 245 #define DECL_CONVU_(n) extern int convu##n(PyObject *, void *);
 246 DOUINTSZ(DECL_CONVU_)
 247 extern int convmpw(PyObject *, void *);
 248 extern int convuint(PyObject *, void *);
 249 extern int convk64(PyObject *, void *);
 250 extern int convszt(PyObject *, void *);
 251 extern int convbool(PyObject *, void *);
 252 extern PyObject *abstract_pynew(PyTypeObject *, PyObject *, PyObject *);
 253 extern PyObject *getbool(int);
 254 extern PyObject *getulong(unsigned long);
 255 extern PyObject *getk64(kludge64);
 256 extern void *newtype(PyTypeObject *, const PyTypeObject *, const char *);
 257
 258 extern PyObject *mkexc(PyObject *, PyObject *, const char *, PyMethodDef *);
 259 extern void typeready(PyTypeObject *);
 260 extern PyTypeObject *inittype(PyTypeObject *, PyTypeObject *);
 261 extern void addmethods(const PyMethodDef *);
 262 extern PyMethodDef *donemethods(void);
 263
 264 /*----- Mapping methods ---------------------------------------------------*/
 265
 266 #define GMAP_METH(func, doc) { #func, gmapmeth_##func, METH_VARARGS, doc },
 267 #define GMAP_KWMETH(func, doc)                                          \
 268   { #func, (PyCFunction)gmapmeth_##func, METH_VARARGS|METH_KEYWORDS, doc },
 269 #define GMAP_METHDECL(func, doc)                                        \
 270   extern PyObject *gmapmeth_##func(PyObject *, PyObject *);
 271 #define GMAP_KWMETHDECL(func, doc)                                      \
 272   extern PyObject *gmapmeth_##func(PyObject *, PyObject *, PyObject *);
 273
 274 #define GMAP_DOROMETHODS(METH, KWMETH)                                  \
 275   METH  (has_key,       "D.has_key(KEY) -> BOOL")                       \
 276   METH  (keys,          "D.keys() -> LIST")                             \
 277   METH  (values,        "D.values() -> LIST")                           \
 278   METH  (items,         "D.items() -> LIST")                            \
 279   METH  (iterkeys,      "D.iterkeys() -> ITER")                         \
 280   METH  (itervalues,    "D.itervalues() -> ITER")                       \
 281   METH  (iteritems,     "D.iteritems() -> ITER")                        \
 282   KWMETH(get,           "D.get(KEY, [default = None]) -> VALUE")        \
 283
 284 #define GMAP_DOMETHODS(METH, KWMETH)                                    \
 285   GMAP_DOROMETHODS(METH, KWMETH)                                        \
 286   METH  (clear,         "D.clear()")                                    \
 287   KWMETH(setdefault,    "D.setdefault(K, [default = None]) -> VALUE")   \
 288   KWMETH(pop,           "D.pop(KEY, [default = <error>]) -> VALUE")     \
 289   METH  (popitem,       "D.popitem() -> (KEY, VALUE)")                  \
 290   METH  (update,        "D.update(MAP)")
 291
 292 GMAP_DOMETHODS(GMAP_METHDECL, GMAP_KWMETHDECL)
 293 #define GMAP_ROMETHODS GMAP_DOROMETHODS(GMAP_METH, GMAP_KWMETH)
 294 #define GMAP_METHODS GMAP_DOMETHODS(GMAP_METH, GMAP_KWMETH)
 295 extern Py_ssize_t gmap_pysize(PyObject *);
 296 extern PySequenceMethods gmap_pysequence;
 297 extern PyMethodDef gmap_pymethods[];
 298
 299 /*----- Bytestrings -------------------------------------------------------*/
 300
 301 PyTypeObject *bytestring_pyobj;
 302 PyObject *bytestring_pywrap(const void *, size_t);
 303 PyObject *bytestring_pywrapbuf(buf *);
 304
 305 /*----- Multiprecision arithmetic -----------------------------------------*/
 306
 307 typedef struct mp_pyobj {
 308   PyObject_HEAD
 309   mp *x;
 310 } mp_pyobj;
 311
 312 extern PyTypeObject *mp_pytype;
 313 extern PyTypeObject *gf_pytype;
 314 #define MP_X(o) (((mp_pyobj *)(o))->x)
 315 #define MP_PYCHECK(o) PyObject_TypeCheck((o), mp_pytype)
 316 #define GF_PYCHECK(o) PyObject_TypeCheck((o), gf_pytype)
 317
 318 extern mp *mp_frompylong(PyObject *);
 319 extern PyObject *mp_topylong(mp *);
 320 extern mp *tomp(PyObject *);
 321 extern mp *getmp(PyObject *);
 322 extern int convmp(PyObject *, void *);
 323 extern mp *getgf(PyObject *);
 324 extern int convgf(PyObject *, void *);
 325 extern PyObject *mp_pywrap(mp *);
 326 extern PyObject *gf_pywrap(mp *);
 327 extern long mphash(mp *);
 328 extern mp *mp_frompyobject(PyObject *, int);
 329 extern PyObject *mp_topystring(mp *, int,
 330                                const char *, const char *, const char *);
 331 extern int mp_tolong_checked(mp *, long *, int);
 332
 333 /*----- Abstract fields ---------------------------------------------------*/
 334
 335 typedef struct field_pyobj {
 336   PyHeapTypeObject ty;
 337   field *f;
 338 } field_pyobj;
 339
 340 extern PyTypeObject *fe_pytype;
 341 #define FE_PYCHECK(o) PyObject_TypeCheck((o), fe_pytype)
 342 #define FE_F(o) (((fe_pyobj *)(o))->f)
 343 #define FE_FOBJ(o) ((PyObject *)(o)->ob_type)
 344 #define FE_X(o) (((fe_pyobj *)(o))->x)
 345 extern PyObject *fe_pywrap(PyObject *, mp *);
 346 extern mp *getfe(field *, PyObject *);
 347
 348 typedef struct fe_pyobj {
 349   PyObject_HEAD
 350   field *f;
 351   mp *x;
 352 } fe_pyobj;
 353
 354 extern PyTypeObject *field_pytype;
 355 extern PyTypeObject *primefield_pytype;
 356 extern PyTypeObject *niceprimefield_pytype;
 357 extern PyTypeObject *binfield_pytype;
 358 extern PyTypeObject *binpolyfield_pytype;
 359 extern PyTypeObject *binnormfield_pytype;
 360 #define FIELD_PYCHECK(o) PyObject_TypeCheck((o), field_pytype)
 361 #define FIELD_F(o) (((field_pyobj *)(o))->f)
 362 extern PyObject *field_pywrap(field *);
 363 extern field *field_copy(field *);
 364
 365 /*----- Elliptic curves ---------------------------------------------------*/
 366
 367 typedef struct ecpt_pyobj {
 368   PyObject_HEAD
 369   ec_curve *c;
 370   ec p;
 371 } ecpt_pyobj;
 372
 373 extern PyTypeObject *ecpt_pytype, *ecptcurve_pytype;
 374 #define ECPT_PYCHECK(o) PyObject_TypeCheck((o), ecpt_pytype)
 375 #define ECPTCURVE_PYCHECK(o) PyObject_TypeCheck((o), ecptcurve_pytype)
 376 #define ECPT_C(o) (((ecpt_pyobj *)(o))->c)
 377 #define ECPT_COBJ(o) ((PyObject *)(o)->ob_type)
 378 #define ECPT_FOBJ(o) ECCURVE_FOBJ(ECPT_COBJ((o)))
 379 #define ECPT_P(o) (&((ecpt_pyobj *)(o))->p)
 380 extern PyObject *ecpt_pywrap(PyObject *, ec *);
 381 extern PyObject *ecpt_pywrapout(void *, ec *);
 382 extern int toecpt(ec_curve *, ec *, PyObject *);
 383 extern int getecpt(ec_curve *, ec *, PyObject *);
 384 extern void getecptout(ec *, PyObject *);
 385 extern int convecpt(PyObject *, void *);
 386
 387 typedef struct eccurve_pyobj {
 388   PyHeapTypeObject ty;
 389   ec_curve *c;
 390   PyObject *fobj;
 391 } eccurve_pyobj;
 392
 393 extern PyTypeObject *eccurve_pytype;
 394 extern PyTypeObject *ecprimecurve_pytype;
 395 extern PyTypeObject *ecprimeprojcurve_pytype;
 396 extern PyTypeObject *ecbincurve_pytype;
 397 extern PyTypeObject *ecbinprojcurve_pytype;
 398 #define ECCURVE_PYCHECK(o) PyObject_TypeCheck((o), eccurve_pytype)
 399 #define ECCURVE_C(o) (((eccurve_pyobj *)(o))->c)
 400 #define ECCURVE_FOBJ(o) (((eccurve_pyobj *)(o))->fobj)
 401 extern PyObject *eccurve_pywrap(PyObject *, ec_curve *);
 402 extern ec_curve *eccurve_copy(ec_curve *);
 403
 404 typedef struct ecinfo_pyobj {
 405   PyObject_HEAD
 406   ec_info ei;
 407   PyObject *cobj;
 408 } ecinfo_pyobj;
 409
 410 extern PyTypeObject *ecinfo_pytype;
 411 #define ECINFO_PYCHECK(o) PyObject_TypeCheck((o), ecinfo_pytype)
 412 #define ECINFO_EI(o) (&((ecinfo_pyobj *)(o))->ei)
 413 #define ECINFO_COBJ(o) (((ecinfo_pyobj *)(o))->cobj)
 414 extern void ecinfo_copy(ec_info *, const ec_info *);
 415 extern PyObject *ecinfo_pywrap(ec_info *);
 416
 417 /*----- Cyclic groups -----------------------------------------------------*/
 418
 419 typedef struct fginfo_pyobj {
 420   PyObject_HEAD
 421   gprime_param dp;
 422 } fginfo_pyobj;
 423
 424 PyTypeObject *fginfo_pytype, *dhinfo_pytype, *bindhinfo_pytype;
 425 #define FGINFO_DP(fg) (&((fginfo_pyobj *)(fg))->dp)
 426 PyObject *fginfo_pywrap(gprime_param *, PyTypeObject *);
 427
 428 typedef struct ge_pyobj {
 429   PyObject_HEAD
 430   ge *x;
 431   group *g;
 432 } ge_pyobj;
 433
 434 extern PyTypeObject *ge_pytype;
 435 #define GE_PYCHECK(o) PyObject_TypeCheck((o), ge_pytype)
 436 #define GE_X(o) (((ge_pyobj *)(o))->x)
 437 #define GE_G(o) (((ge_pyobj *)(o))->g)
 438 #define GE_GOBJ(o) ((PyObject *)(group_pyobj *)(o)->ob_type)
 439 extern PyObject *ge_pywrap(PyObject *, ge *);
 440
 441 typedef struct group_pyobj {
 442   PyHeapTypeObject ty;
 443   group *g;
 444 } group_pyobj;
 445
 446 extern PyTypeObject *group_pytype;
 447 extern PyTypeObject *primegroup_pytype, *bingroup_pytype, *ecgroup_pytype;
 448 #define GROUP_G(o) (((group_pyobj *)(o))->g)
 449 extern PyObject *group_pywrap(group *);
 450 extern group *group_copy(group *);
 451
 452 /*----- Random number generators ------------------------------------------*/
 453
 454 #define f_freeme 1u
 455
 456 typedef struct grand_pyobj {
 457   PyObject_HEAD
 458   unsigned f;
 459   grand *r;
 460 } grand_pyobj;
 461
 462 extern PyTypeObject *grand_pytype, *truerand_pytype;
 463 extern PyTypeObject *lcrand_pytype,* fibrand_pytype;
 464 extern PyTypeObject *dsarand_pytype, *bbs_pytype;
 465 extern PyObject *rand_pyobj;
 466 #define GRAND_PYCHECK(o) PyObject_TypeCheck((o), grand_pytype)
 467 #define GRAND_F(o) (((grand_pyobj *)(o))->f)
 468 #define GRAND_R(o) (((grand_pyobj *)(o))->r)
 469 extern PyObject *grand_pywrap(grand *, unsigned);
 470 extern int convgrand(PyObject *, void *);
 471
 472 /*----- Key sizes ---------------------------------------------------------*/
 473
 474 typedef struct keysz_pyobj {
 475   PyObject_HEAD
 476   int dfl;
 477 } keysz_pyobj;
 478
 479 typedef struct keyszrange_pyobj {
 480   PyObject_HEAD
 481   int dfl;
 482   int min, max, mod;
 483 } keyszrange_pyobj;
 484
 485 typedef struct keyszset_pyobj {
 486   PyObject_HEAD
 487   int dfl;
 488   PyObject *set;
 489 } keyszset_pyobj;
 490
 491 #define KEYSZ_PYCHECK(o) PyObject_TypeCheck((o), keysz_pytype)
 492 extern PyObject *keysz_pywrap(const octet *);
 493
 494 /*----- Symmetric cryptography --------------------------------------------*/
 495
 496 typedef struct gccipher_pyobj {
 497   PyHeapTypeObject ty;
 498   gccipher *cc;
 499 } gccipher_pyobj;
 500
 501 extern PyTypeObject *gccipher_pytype;
 502 #define GCCIPHER_PYCHECK(o) PyObject_TypeCheck((o), gccipher_pytype)
 503 #define GCCIPHER_CC(o) (((gccipher_pyobj *)(o))->cc)
 504 #define GCCIPHER_F(o) (((gccipher_pyobj *)(o))->f)
 505 extern PyObject *gccipher_pywrap(gccipher *);
 506 extern int convgccipher(PyObject *, void *);
 507 extern int convgcipher(PyObject *, void *);
 508
 509 typedef struct gcipher_pyobj {
 510   PyObject_HEAD
 511   unsigned f;
 512   gcipher *c;
 513 } gcipher_pyobj;
 514
 515 extern PyTypeObject *gcipher_pytype;
 516 #define GCIPHER_PYCHECK(o) PyObject_TypeCheck((o), gcipher_pytype)
 517 #define GCIPHER_C(o) (((gcipher_pyobj *)(o))->c)
 518 #define GCIPHER_F(o) (((gcipher_pyobj *)(o))->f)
 519 extern PyObject *gcipher_pywrap(PyObject *, gcipher *, unsigned);
 520 extern int convgcipher(PyObject *, void *);
 521
 522 typedef struct gchash_pyobj {
 523   PyHeapTypeObject ty;
 524   gchash *ch;
 525 } gchash_pyobj;
 526
 527 extern PyTypeObject *gchash_pytype;
 528 #define GCHASH_PYCHECK(o) PyObject_TypeCheck((o), gchash_pytype)
 529 #define GCHASH_CH(o) (((gchash_pyobj *)(o))->ch)
 530 #define GCHASH_F(o) (((gchash_pyobj *)(o))->f)
 531 extern PyObject *gchash_pywrap(gchash *);
 532 extern int convgchash(PyObject *, void *);
 533
 534 typedef struct ghash_pyobj {
 535   PyObject_HEAD
 536   unsigned f;
 537   ghash *h;
 538 } ghash_pyobj;
 539
 540 extern PyTypeObject *ghash_pytype, *gmhash_pytype;
 541 extern PyObject *sha_pyobj, *has160_pyobj;
 542 #define GHASH_PYCHECK(o) PyObject_TypeCheck((o), ghash_pytype)
 543 #define GHASH_H(o) (((ghash_pyobj *)(o))->h)
 544 #define GHASH_F(o) (((ghash_pyobj *)(o))->f)
 545 extern PyObject *ghash_pywrap(PyObject *, ghash *, unsigned);
 546 extern int convghash(PyObject *, void *);
 547 extern int convgmhash(PyObject *, void *);
 548
 549 typedef struct gcmac_pyobj {
 550   PyHeapTypeObject ty;
 551   gcmac *cm;
 552 } gcmac_pyobj;
 553
 554 extern PyTypeObject *gcmac_pytype;
 555 #define GCMAC_PYCHECK(o) PyObject_TypeCheck((o), gcmac_pytype)
 556 #define GCMAC_CM(o) (((gcmac_pyobj *)(o))->cm)
 557 #define GCMAC_F(o) (((gcmac_pyobj *)(o))->f)
 558 extern PyObject *gcmac_pywrap(gcmac *);
 559 extern int convgcmac(PyObject *, void *);
 560
 561 typedef struct gmac_pyobj {
 562   PyHeapTypeObject ty;
 563   unsigned f;
 564   gmac *m;
 565 } gmac_pyobj;
 566
 567 extern PyTypeObject *gmac_pytype;
 568 #define GMAC_PYCHECK(o) PyObject_TypeCheck((o), gmac_pytype)
 569 #define GMAC_M(o) (((gmac_pyobj *)(o))->m)
 570 #define GMAC_F(o) (((gmac_pyobj *)(o))->f)
 571 extern PyObject *gmac_pywrap(PyObject *, gmac *, unsigned);
 572 extern int convgmac(PyObject *, void *);
 573
 574 /*----- Key generation ----------------------------------------------------*/
 575
 576 typedef struct pfilt_pyobj {
 577   PyObject_HEAD
 578   pfilt f;
 579   int st;
 580 } pfilt_pyobj;
 581
 582 extern PyTypeObject *pfilt_pytype;
 583 #define PFILT_PYCHECK(o) PyObject_TypeCheck(o, pfilt_pytype)
 584 #define PFILT_F(o) (&((pfilt_pyobj *)(o))->f)
 585 #define PFILT_ST(o) (((pfilt_pyobj *)(o))->st)
 586
 587 typedef struct { pgen_proc *proc; void *ctx; } pgev;
 588 #define PGEV_HEAD PyObject_HEAD pgev pg;
 589
 590 typedef struct pgev_pyobj {
 591   PGEV_HEAD
 592 } pgev_pyobj;
 593
 594 extern PyTypeObject *pgev_pytype;
 595 #define PGEV_PYCHECK(o) PyObject_TypeCheck(o, pgev_pytype)
 596 #define PGEV_PG(o) (&((pgev_pyobj *)(o))->pg)
 597
 598 extern int convpgev(PyObject *, void *);
 599 extern void droppgev(pgev *);
 600 extern void pgenerr(void);
 601
 602 /*----- That's all, folks -------------------------------------------------*/
 603
 604 #ifdef __cplusplus
 605   }
 606 #endif
 607
 608 #endif