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/gaead.h>
  65 #include <catacomb/ghash.h>
  66 #include <catacomb/gmac.h>
  67 #include <catacomb/md5.h>
  68 #include <catacomb/md5-hmac.h>
  69 #include <catacomb/poly1305.h>
  70 #include <catacomb/sha.h>
  71 #include <catacomb/sha-mgf.h>
  72 #include <catacomb/sha-hmac.h>
  73 #include <catacomb/keccak1600.h>
  74 #include <catacomb/sha3.h>
  75
  76 #include <catacomb/mp.h>
  77 #include <catacomb/mpint.h>
  78 #include <catacomb/mpmul.h>
  79 #include <catacomb/mpcrt.h>
  80 #include <catacomb/mpmont.h>
  81 #include <catacomb/mpbarrett.h>
  82 #include <catacomb/mpreduce.h>
  83 #include <catacomb/mp-fibonacci.h>
  84
  85 #include <catacomb/pgen.h>
  86 #include <catacomb/pfilt.h>
  87 #include <catacomb/strongprime.h>
  88 #include <catacomb/limlee.h>
  89 #include <catacomb/dh.h>
  90 #include <catacomb/ptab.h>
  91 #include <catacomb/bintab.h>
  92 #include <catacomb/dsa.h>
  93 #include <catacomb/x25519.h>
  94 #include <catacomb/x448.h>
  95 #include <catacomb/ed25519.h>
  96 #include <catacomb/ed448.h>
  97
  98 #include <catacomb/gf.h>
  99 #include <catacomb/gfreduce.h>
 100 #include <catacomb/gfn.h>
 101
 102 #include <catacomb/field.h>
 103 #include <catacomb/field-guts.h>
 104
 105 #include <catacomb/ec.h>
 106 #include <catacomb/ec-raw.h>
 107 #include <catacomb/ectab.h>
 108
 109 #include <catacomb/group.h>
 110 #include <catacomb/group-guts.h>
 111
 112 #include <catacomb/gdsa.h>
 113 #include <catacomb/gkcdsa.h>
 114 #include <catacomb/rsa.h>
 115
 116 #include <catacomb/key.h>
 117 #include <catacomb/passphrase.h>
 118 #include <catacomb/pixie.h>
 119
 120 #include <catacomb/share.h>
 121 #include <catacomb/gfshare.h>
 122
 123 /*----- Other preliminaries -----------------------------------------------*/
 124
 125 #define GOBBLE_SEMI extern int notexist
 126 #if defined(__GNUC__) && defined(__ELF__)
 127 #  define PRIVATE_SYMBOLS _Pragma("GCC visibility push(hidden)") GOBBLE_SEMI
 128 #  define PUBLIC_SYMBOLS _Pragma("GCC visibility pop") GOBBLE_SEMI
 129 #  define EXPORT __attribute__((__visibility__("default")))
 130 #else
 131 #  define PRIVATE_SYMBOLS GOBBLE_SEMI
 132 #  define PUBLIC_SYMBOLS GOBBLE_SEMI
 133 #  define EXPORT
 134 #endif
 135
 136 PRIVATE_SYMBOLS;
 137
 138 /*----- Utility macros ----------------------------------------------------*/
 139
 140 #define RETURN_OBJ(obj) do { Py_INCREF(obj); return (obj); } while (0)
 141 #define RETURN_NONE RETURN_OBJ(Py_None)
 142 #define RETURN_NOTIMPL RETURN_OBJ(Py_NotImplemented)
 143 #define RETURN_TRUE RETURN_OBJ(Py_True)
 144 #define RETURN_FALSE RETURN_OBJ(Py_False)
 145 #define RETURN_ME RETURN_OBJ(me)
 146
 147 #define EXCERR(exc, str) do {                                           \
 148   PyErr_SetString(exc, str);                                            \
 149   goto end;                                                             \
 150 } while (0)
 151 #define VALERR(str) EXCERR(PyExc_ValueError, str)
 152 #define OVFERR(str) EXCERR(PyExc_OverflowError, str)
 153 #define TYERR(str) EXCERR(PyExc_TypeError, str)
 154 #define IXERR(str) EXCERR(PyExc_IndexError, str)
 155 #define ZDIVERR(str) EXCERR(PyExc_ZeroDivisionError, str)
 156 #define SYSERR(str) EXCERR(PyExc_SystemError, str)
 157 #define NIERR(str) EXCERR(PyExc_NotImplementedError, str)
 158 #define INDEXERR(idx) do {                                              \
 159   PyErr_SetObject(PyExc_KeyError, idx);                                 \
 160   goto end;                                                             \
 161 } while (0)
 162 #define OSERR(name) do {                                                \
 163   PyErr_SetFromErrnoWithFilename(PyExc_OSError, name);                  \
 164   goto end;                                                             \
 165 } while (0)
 166 #define PGENERR(exc) do { pgenerr(exc); goto end; } while (0)
 167
 168 #define CONVFUNC(ty, cty, ext)                                          \
 169   int conv##ty(PyObject *o, void *p)                                    \
 170   {                                                                     \
 171     if (!PyObject_TypeCheck(o, ty##_pytype))                            \
 172       TYERR("wanted a " #ty);                                           \
 173     *(cty *)p = ext(o);                                                 \
 174     return (1);                                                         \
 175   end:                                                                  \
 176     return (0);                                                         \
 177   }
 178
 179 #if PY_VERSION_HEX < 0x02050000         /* Compatibility hack */
 180 #  define ht_name name
 181 #  define ht_type type
 182 #endif
 183
 184 #define root_pytype 0
 185 #define type_pytype &PyType_Type
 186 #define INITTYPE_META(ty, base, meta) do {                              \
 187   ty##_pytype_skel.tp_base = base##_pytype;                             \
 188   ty##_pytype = inittype(&ty##_pytype_skel, meta##_pytype);             \
 189 } while (0)
 190 #define INITTYPE(ty, base) INITTYPE_META(ty, base, type)
 191
 192 extern PyObject *home_module;
 193
 194 #define INSERT(name, ob) do {   \
 195   PyObject *_o = (PyObject *)(ob);                                      \
 196   Py_INCREF(_o);                                                        \
 197   PyModule_AddObject(mod, name, _o);                                    \
 198 } while (0)
 199
 200 #define INSEXC(name, var, base, meth)                                   \
 201   INSERT(name, var = mkexc(mod, base, name, meth))
 202
 203 #define METH(func, doc)                                                 \
 204   { #func, METHNAME(func), METH_VARARGS, doc },
 205 #define KWMETH(func, doc)                                               \
 206   { #func, (PyCFunction)METHNAME(func),                                 \
 207     METH_VARARGS | METH_KEYWORDS, doc },
 208
 209 #define GET(func, doc)                                                  \
 210   { #func, GETSETNAME(get, func), 0, doc },
 211 #define GETSET(func, doc)                                               \
 212   { #func, GETSETNAME(get, func), GETSETNAME(set, func), doc },
 213
 214 #define MEMBER(name, ty, f, doc)                                        \
 215   { #name, ty, offsetof(MEMBERSTRUCT, name), f, doc },
 216
 217 #define MODULES(_)                                                      \
 218   _(util)                                                               \
 219   _(bytestring) _(buffer)                                               \
 220   _(rand) _(algorithms) _(pubkey) _(pgen)                               \
 221   _(mp) _(field) _(ec) _(group)                                         \
 222   _(passphrase) _(share) _(key)
 223 #define DOMODINIT(m) m##_pyinit();
 224 #define DOMODINSERT(m) m##_pyinsert(mod);
 225 #define INIT_MODULES do { MODULES(DOMODINIT) } while (0)
 226 #define INSERT_MODULES do { MODULES(DOMODINSERT) } while (0)
 227
 228 #define DO(m)                                                           \
 229   extern void m##_pyinit(void);                                         \
 230   extern void m##_pyinsert(PyObject *);
 231 MODULES(DO)
 232 #undef DO
 233
 234 #define FREEOBJ(obj)                                                    \
 235   (((PyObject *)(obj))->ob_type->tp_free((PyObject *)(obj)))
 236
 237 #define GEN(func, base)                                                 \
 238   static PyObject *func(void)                                           \
 239   {                                                                     \
 240     PyObject *d = PyDict_New();                                         \
 241     PyObject *o;                                                        \
 242     int i;                                                              \
 243                                                                         \
 244     for (i = 0; g##base##tab[i]; i++) {                                 \
 245       o = gc##base##_pywrap((/*unconst*/ gc##base *)g##base##tab[i]);   \
 246       PyDict_SetItemString(d,                                           \
 247                            (/*unconst*/ char *)g##base##tab[i]->name,   \
 248                            o);                                          \
 249       Py_DECREF(o);                                                     \
 250     }                                                                   \
 251     return (d);                                                         \
 252   }
 253
 254 #define KWLIST (/*unconst*/ char **)kwlist
 255
 256 struct nameval { const char *name; unsigned f; unsigned long value; };
 257 #define CF_SIGNED 1u
 258 extern void setconstants(PyObject *, const struct nameval *);
 259
 260 extern PyObject *mexp_common(PyObject *, PyObject *, size_t,
 261                              PyObject *(*id)(PyObject *),
 262                              int (*fill)(void *, PyObject *,
 263                                          PyObject *, PyObject *),
 264                              PyObject *(*exp)(PyObject *, void *, int),
 265                              void (*drop)(void *));
 266
 267 extern int convulong(PyObject *, void *);
 268 #define DECL_CONVU_(n) extern int convu##n(PyObject *, void *);
 269 DOUINTSZ(DECL_CONVU_)
 270 extern int convmpw(PyObject *, void *);
 271 extern int convuint(PyObject *, void *);
 272 extern int convk64(PyObject *, void *);
 273 extern int convszt(PyObject *, void *);
 274 extern int convbool(PyObject *, void *);
 275 extern PyObject *abstract_pynew(PyTypeObject *, PyObject *, PyObject *);
 276 extern PyObject *getbool(int);
 277 extern PyObject *getulong(unsigned long);
 278 extern PyObject *getk64(kludge64);
 279 extern void *newtype(PyTypeObject *, const PyTypeObject *, const char *);
 280
 281 struct excinfo { PyObject *ty, *val, *tb; };
 282 #define EXCINFO_INIT { 0, 0, 0 }
 283
 284 extern PyObject *mkexc(PyObject *, PyObject *, const char *, PyMethodDef *);
 285 #define INIT_EXCINFO(exc) do {                                          \
 286   struct excinfo *_exc = (exc); _exc->ty = _exc->val = _exc->tb = 0;    \
 287 } while (0)
 288 #define RELEASE_EXCINFO(exc) do {                                       \
 289   struct excinfo *_exc = (exc);                                         \
 290   Py_XDECREF(_exc->ty);  _exc->ty  = 0;                                 \
 291   Py_XDECREF(_exc->val); _exc->val = 0;                                 \
 292   Py_XDECREF(_exc->tb);  _exc->tb  = 0;                                 \
 293 } while (0)
 294 #define STASH_EXCINFO(exc) do {                                         \
 295   struct excinfo *_exc = (exc);                                         \
 296   PyErr_Fetch(&_exc->ty, &_exc->val, &_exc->tb);                        \
 297   PyErr_NormalizeException(&_exc->ty, &_exc->val, &_exc->tb);           \
 298 } while (0)
 299 #define RESTORE_EXCINFO(exc) do {                                       \
 300   struct excinfo *_exc = (exc);                                         \
 301   PyErr_Restore(_exc->ty, _exc->val, _exc->tb);                         \
 302   _exc->ty = _exc->val = _exc->tb = 0;                                  \
 303 } while (0)
 304 extern void report_lost_exception(struct excinfo *, const char *, ...);
 305 extern void report_lost_exception_v(struct excinfo *, const char *, va_list);
 306 extern void stash_exception(struct excinfo *, const char *, ...);
 307 extern void restore_exception(struct excinfo *, const char *, ...);
 308
 309 extern void typeready(PyTypeObject *);
 310 extern PyTypeObject *inittype(PyTypeObject *, PyTypeObject *);
 311 extern void addmethods(const PyMethodDef *);
 312 extern PyMethodDef *donemethods(void);
 313
 314 /*----- Mapping methods ---------------------------------------------------*/
 315
 316 #define GMAP_METH(func, doc) { #func, gmapmeth_##func, METH_VARARGS, doc },
 317 #define GMAP_KWMETH(func, doc)                                          \
 318   { #func, (PyCFunction)gmapmeth_##func, METH_VARARGS|METH_KEYWORDS, doc },
 319 #define GMAP_METHDECL(func, doc)                                        \
 320   extern PyObject *gmapmeth_##func(PyObject *, PyObject *);
 321 #define GMAP_KWMETHDECL(func, doc)                                      \
 322   extern PyObject *gmapmeth_##func(PyObject *, PyObject *, PyObject *);
 323
 324 #define GMAP_DOROMETHODS(METH, KWMETH)                                  \
 325   METH  (has_key,       "D.has_key(KEY) -> BOOL")                       \
 326   METH  (keys,          "D.keys() -> LIST")                             \
 327   METH  (values,        "D.values() -> LIST")                           \
 328   METH  (items,         "D.items() -> LIST")                            \
 329   METH  (iterkeys,      "D.iterkeys() -> ITER")                         \
 330   METH  (itervalues,    "D.itervalues() -> ITER")                       \
 331   METH  (iteritems,     "D.iteritems() -> ITER")                        \
 332   KWMETH(get,           "D.get(KEY, [default = None]) -> VALUE")        \
 333
 334 #define GMAP_DOMETHODS(METH, KWMETH)                                    \
 335   GMAP_DOROMETHODS(METH, KWMETH)                                        \
 336   METH  (clear,         "D.clear()")                                    \
 337   KWMETH(setdefault,    "D.setdefault(K, [default = None]) -> VALUE")   \
 338   KWMETH(pop,           "D.pop(KEY, [default = <error>]) -> VALUE")     \
 339   METH  (popitem,       "D.popitem() -> (KEY, VALUE)")                  \
 340   METH  (update,        "D.update(MAP)")
 341
 342 GMAP_DOMETHODS(GMAP_METHDECL, GMAP_KWMETHDECL)
 343 #define GMAP_ROMETHODS GMAP_DOROMETHODS(GMAP_METH, GMAP_KWMETH)
 344 #define GMAP_METHODS GMAP_DOMETHODS(GMAP_METH, GMAP_KWMETH)
 345 extern Py_ssize_t gmap_pysize(PyObject *);
 346 extern PySequenceMethods gmap_pysequence;
 347 extern PyMethodDef gmap_pymethods[];
 348
 349 /*----- Bytestrings -------------------------------------------------------*/
 350
 351 PyTypeObject *bytestring_pyobj;
 352 PyObject *bytestring_pywrap(const void *, size_t);
 353 PyObject *bytestring_pywrapbuf(buf *);
 354
 355 /*----- Multiprecision arithmetic -----------------------------------------*/
 356
 357 typedef struct mp_pyobj {
 358   PyObject_HEAD
 359   mp *x;
 360 } mp_pyobj;
 361
 362 extern PyTypeObject *mp_pytype;
 363 extern PyTypeObject *gf_pytype;
 364 #define MP_X(o) (((mp_pyobj *)(o))->x)
 365 #define MP_PYCHECK(o) PyObject_TypeCheck((o), mp_pytype)
 366 #define GF_PYCHECK(o) PyObject_TypeCheck((o), gf_pytype)
 367
 368 extern mp *mp_frompylong(PyObject *);
 369 extern PyObject *mp_topylong(mp *);
 370 extern mp *tomp(PyObject *);
 371 extern mp *getmp(PyObject *);
 372 extern int convmp(PyObject *, void *);
 373 extern mp *getgf(PyObject *);
 374 extern int convgf(PyObject *, void *);
 375 extern PyObject *mp_pywrap(mp *);
 376 extern PyObject *gf_pywrap(mp *);
 377 extern long mphash(mp *);
 378 extern mp *mp_frompyobject(PyObject *, int);
 379 extern PyObject *mp_topystring(mp *, int,
 380                                const char *, const char *, const char *);
 381 extern int mp_tolong_checked(mp *, long *, int);
 382
 383 /*----- Abstract fields ---------------------------------------------------*/
 384
 385 typedef struct field_pyobj {
 386   PyHeapTypeObject ty;
 387   field *f;
 388 } field_pyobj;
 389
 390 extern PyTypeObject *fe_pytype;
 391 #define FE_PYCHECK(o) PyObject_TypeCheck((o), fe_pytype)
 392 #define FE_F(o) (((fe_pyobj *)(o))->f)
 393 #define FE_FOBJ(o) ((PyObject *)(o)->ob_type)
 394 #define FE_X(o) (((fe_pyobj *)(o))->x)
 395 extern PyObject *fe_pywrap(PyObject *, mp *);
 396
 397 typedef struct fe_pyobj {
 398   PyObject_HEAD
 399   field *f;
 400   mp *x;
 401 } fe_pyobj;
 402
 403 extern PyTypeObject *field_pytype;
 404 extern PyTypeObject *primefield_pytype;
 405 extern PyTypeObject *niceprimefield_pytype;
 406 extern PyTypeObject *binfield_pytype;
 407 extern PyTypeObject *binpolyfield_pytype;
 408 extern PyTypeObject *binnormfield_pytype;
 409 #define FIELD_PYCHECK(o) PyObject_TypeCheck((o), field_pytype)
 410 #define FIELD_F(o) (((field_pyobj *)(o))->f)
 411 extern PyObject *field_pywrap(field *);
 412 extern field *field_copy(field *);
 413
 414 /*----- Elliptic curves ---------------------------------------------------*/
 415
 416 typedef struct ecpt_pyobj {
 417   PyObject_HEAD
 418   ec_curve *c;
 419   ec p;
 420 } ecpt_pyobj;
 421
 422 extern PyTypeObject *ecpt_pytype, *ecptcurve_pytype;
 423 #define ECPT_PYCHECK(o) PyObject_TypeCheck((o), ecpt_pytype)
 424 #define ECPTCURVE_PYCHECK(o) PyObject_TypeCheck((o), ecptcurve_pytype)
 425 #define ECPT_C(o) (((ecpt_pyobj *)(o))->c)
 426 #define ECPT_COBJ(o) ((PyObject *)(o)->ob_type)
 427 #define ECPT_FOBJ(o) ECCURVE_FOBJ(ECPT_COBJ((o)))
 428 #define ECPT_P(o) (&((ecpt_pyobj *)(o))->p)
 429 extern PyObject *ecpt_pywrap(PyObject *, ec *);
 430 extern PyObject *ecpt_pywrapout(void *, ec *);
 431 extern int toecpt(ec_curve *, ec *, PyObject *);
 432 extern int getecpt(ec_curve *, ec *, PyObject *);
 433 extern void getecptout(ec *, PyObject *);
 434 extern int convecpt(PyObject *, void *);
 435
 436 typedef struct eccurve_pyobj {
 437   PyHeapTypeObject ty;
 438   ec_curve *c;
 439   PyObject *fobj;
 440 } eccurve_pyobj;
 441
 442 extern PyTypeObject *eccurve_pytype;
 443 extern PyTypeObject *ecprimecurve_pytype;
 444 extern PyTypeObject *ecprimeprojcurve_pytype;
 445 extern PyTypeObject *ecbincurve_pytype;
 446 extern PyTypeObject *ecbinprojcurve_pytype;
 447 #define ECCURVE_PYCHECK(o) PyObject_TypeCheck((o), eccurve_pytype)
 448 #define ECCURVE_C(o) (((eccurve_pyobj *)(o))->c)
 449 #define ECCURVE_FOBJ(o) (((eccurve_pyobj *)(o))->fobj)
 450 extern PyObject *eccurve_pywrap(PyObject *, ec_curve *);
 451 extern ec_curve *eccurve_copy(ec_curve *);
 452
 453 typedef struct ecinfo_pyobj {
 454   PyObject_HEAD
 455   ec_info ei;
 456   PyObject *cobj;
 457 } ecinfo_pyobj;
 458
 459 extern PyTypeObject *ecinfo_pytype;
 460 #define ECINFO_PYCHECK(o) PyObject_TypeCheck((o), ecinfo_pytype)
 461 #define ECINFO_EI(o) (&((ecinfo_pyobj *)(o))->ei)
 462 #define ECINFO_COBJ(o) (((ecinfo_pyobj *)(o))->cobj)
 463 extern void ecinfo_copy(ec_info *, const ec_info *);
 464 extern PyObject *ecinfo_pywrap(ec_info *);
 465
 466 /*----- Cyclic groups -----------------------------------------------------*/
 467
 468 typedef struct fginfo_pyobj {
 469   PyObject_HEAD
 470   gprime_param dp;
 471 } fginfo_pyobj;
 472
 473 PyTypeObject *fginfo_pytype, *dhinfo_pytype, *bindhinfo_pytype;
 474 #define FGINFO_DP(fg) (&((fginfo_pyobj *)(fg))->dp)
 475 PyObject *fginfo_pywrap(gprime_param *, PyTypeObject *);
 476
 477 typedef struct ge_pyobj {
 478   PyObject_HEAD
 479   ge *x;
 480   group *g;
 481 } ge_pyobj;
 482
 483 extern PyTypeObject *ge_pytype;
 484 #define GE_PYCHECK(o) PyObject_TypeCheck((o), ge_pytype)
 485 #define GE_X(o) (((ge_pyobj *)(o))->x)
 486 #define GE_G(o) (((ge_pyobj *)(o))->g)
 487 #define GE_GOBJ(o) ((PyObject *)(group_pyobj *)(o)->ob_type)
 488 extern PyObject *ge_pywrap(PyObject *, ge *);
 489
 490 typedef struct group_pyobj {
 491   PyHeapTypeObject ty;
 492   group *g;
 493 } group_pyobj;
 494
 495 extern PyTypeObject *group_pytype;
 496 extern PyTypeObject *primegroup_pytype, *bingroup_pytype, *ecgroup_pytype;
 497 #define GROUP_G(o) (((group_pyobj *)(o))->g)
 498 extern PyObject *group_pywrap(group *);
 499 extern group *group_copy(group *);
 500
 501 /*----- Random number generators ------------------------------------------*/
 502
 503 #define f_freeme 1u
 504
 505 typedef struct grand_pyobj {
 506   PyObject_HEAD
 507   unsigned f;
 508   grand *r;
 509 } grand_pyobj;
 510
 511 extern PyTypeObject *grand_pytype, *truerand_pytype;
 512 extern PyTypeObject *lcrand_pytype,* fibrand_pytype;
 513 extern PyTypeObject *dsarand_pytype, *bbs_pytype;
 514 extern PyObject *rand_pyobj;
 515 #define GRAND_PYCHECK(o) PyObject_TypeCheck((o), grand_pytype)
 516 #define GRAND_F(o) (((grand_pyobj *)(o))->f)
 517 #define GRAND_R(o) (((grand_pyobj *)(o))->r)
 518 extern PyObject *grand_pywrap(grand *, unsigned);
 519 extern int convgrand(PyObject *, void *);
 520
 521 /*----- Key sizes ---------------------------------------------------------*/
 522
 523 typedef struct keysz_pyobj {
 524   PyObject_HEAD
 525   int dfl;
 526 } keysz_pyobj;
 527
 528 typedef struct keyszrange_pyobj {
 529   PyObject_HEAD
 530   int dfl;
 531   int min, max, mod;
 532 } keyszrange_pyobj;
 533
 534 typedef struct keyszset_pyobj {
 535   PyObject_HEAD
 536   int dfl;
 537   PyObject *set;
 538 } keyszset_pyobj;
 539
 540 #define KEYSZ_PYCHECK(o) PyObject_TypeCheck((o), keysz_pytype)
 541 extern PyObject *keysz_pywrap(const octet *);
 542
 543 /*----- Symmetric cryptography --------------------------------------------*/
 544
 545 typedef struct gccipher_pyobj {
 546   PyHeapTypeObject ty;
 547   gccipher *cc;
 548 } gccipher_pyobj;
 549
 550 extern PyTypeObject *gccipher_pytype;
 551 #define GCCIPHER_PYCHECK(o) PyObject_TypeCheck((o), gccipher_pytype)
 552 #define GCCIPHER_CC(o) (((gccipher_pyobj *)(o))->cc)
 553 extern PyObject *gccipher_pywrap(gccipher *);
 554 extern int convgccipher(PyObject *, void *);
 555
 556 typedef struct gcipher_pyobj {
 557   PyObject_HEAD
 558   gcipher *c;
 559 } gcipher_pyobj;
 560
 561 extern PyTypeObject *gcipher_pytype;
 562 #define GCIPHER_PYCHECK(o) PyObject_TypeCheck((o), gcipher_pytype)
 563 #define GCIPHER_C(o) (((gcipher_pyobj *)(o))->c)
 564 extern PyObject *gcipher_pywrap(PyObject *, gcipher *);
 565 extern int convgcipher(PyObject *, void *);
 566
 567 typedef struct gcaead_pyobj {
 568   PyHeapTypeObject ty;
 569   gcaead *aec;
 570   struct gcaeadaad_pyobj *aad;
 571   struct gcaeadenc_pyobj *enc;
 572   struct gcaeaddec_pyobj *dec;
 573 } gcaead_pyobj;
 574
 575 extern PyTypeObject *gcaead_pytype;
 576 #define GCAEAD_PYCHECK(o) PyObject_TypeCheck((o), gcaead_pytype)
 577 #define GCAEAD_AEC(o) (((gcaead_pyobj *)(o))->aec)
 578 #define GCAEAD_AAD(o) (((gcaead_pyobj *)(o))->aad)
 579 #define GCAEAD_ENC(o) (((gcaead_pyobj *)(o))->enc)
 580 #define GCAEAD_DEC(o) (((gcaead_pyobj *)(o))->dec)
 581 extern PyObject *gcaead_pywrap(gcaead *);
 582 extern int convgcaead(PyObject *, void *);
 583
 584 typedef struct gaeadkey_pyobj {
 585   PyObject_HEAD
 586   gaead_key *k;
 587 } gaeadkey_pyobj;
 588
 589 extern PyTypeObject *gaeadkey_pytype;
 590 #define GAEADKEY_PYCHECK(o) PyObject_TypeCheck((o), gaeadkey_pytype)
 591 #define GAEADKEY_K(o) (((gaeadkey_pyobj *)(o))->k)
 592 extern PyObject *gaeadkey_pywrap(PyObject *, gaead_key *);
 593 extern int convgaeadkey(PyObject *, void *);
 594
 595 typedef struct gcaeadaad_pyobj {
 596   PyHeapTypeObject ty;
 597   gcaead_pyobj *key;
 598 } gcaeadaad_pyobj;
 599 #define GCAEADAAD_KEY(o) (((gcaeadaad_pyobj *)(o))->key)
 600 extern PyTypeObject *gcaeadaad_pytype;
 601
 602 typedef struct gaeadaad_pyobj {
 603   PyObject_HEAD
 604   gaead_aad *a;
 605   unsigned f;
 606 #define AEADF_DEAD 32768u
 607   size_t hsz, hlen;
 608 } gaeadaad_pyobj;
 609
 610 extern PyTypeObject *gaeadaad_pytype;
 611 #define GAEADAAD_PYCHECK(o) PyObject_TypeCheck((o), gaeadaad_pytype)
 612 #define GAEADAAD_A(o) (((gaeadaad_pyobj *)(o))->a)
 613 #define GAEADAAD_F(o) (((gaeadaad_pyobj *)(o))->f)
 614 #define GAEADAAD_HSZ(o) (((gaeadaad_pyobj *)(o))->hsz)
 615 #define GAEADAAD_HLEN(o) (((gaeadaad_pyobj *)(o))->hlen)
 616 extern PyObject *gaeadaad_pywrap(PyObject *, gaead_aad *, unsigned, size_t);
 617 extern int convgaeadaad(PyObject *, void *);
 618
 619 typedef struct gcaeadenc_pyobj {
 620   PyHeapTypeObject ty;
 621   gcaead_pyobj *key;
 622 } gcaeadenc_pyobj;
 623 #define GCAEADENC_KEY(o) (((gcaeadenc_pyobj *)(o))->key)
 624 extern PyTypeObject *gcaeadenc_pytype;
 625
 626 typedef struct gaeadenc_pyobj {
 627   PyObject_HEAD
 628   gaead_enc *e;
 629   gaeadaad_pyobj *aad;
 630   unsigned f;
 631   size_t hsz, msz, tsz;
 632   size_t mlen;
 633 } gaeadenc_pyobj;
 634
 635 extern PyTypeObject *gaeadenc_pytype;
 636 #define GAEADENC_PYCHECK(o) PyObject_TypeCheck((o), gaeadenc_pytype)
 637 #define GAEADENC_AAD(o) (((gaeadenc_pyobj *)(o))->aad)
 638 #define GAEADENC_E(o) (((gaeadenc_pyobj *)(o))->e)
 639 #define GAEADENC_F(o) (((gaeadenc_pyobj *)(o))->f)
 640 #define GAEADENC_HSZ(o) (((gaeadenc_pyobj *)(o))->hsz)
 641 #define GAEADENC_MSZ(o) (((gaeadenc_pyobj *)(o))->msz)
 642 #define GAEADENC_TSZ(o) (((gaeadenc_pyobj *)(o))->tsz)
 643 #define GAEADENC_MLEN(o) (((gaeadenc_pyobj *)(o))->mlen)
 644 extern PyObject *gaeadenc_pywrap(PyObject *, gaead_enc *, unsigned,
 645                                  size_t, size_t, size_t);
 646 extern int convgaeadenc(PyObject *, void *);
 647
 648 typedef struct gcaeaddec_pyobj {
 649   PyHeapTypeObject ty;
 650   gcaead_pyobj *key;
 651 } gcaeaddec_pyobj;
 652 #define GCAEADDEC_KEY(o) (((gcaeaddec_pyobj *)(o))->key)
 653 extern PyTypeObject *gcaeaddec_pytype;
 654
 655 typedef struct gaeaddec_pyobj {
 656   PyObject_HEAD
 657   gaead_dec *d;
 658   gaeadaad_pyobj *aad;
 659   unsigned f;
 660   size_t hsz, csz, tsz;
 661   size_t clen;
 662 } gaeaddec_pyobj;
 663
 664 extern PyTypeObject *gaeaddec_pytype;
 665 #define GAEADDEC_PYCHECK(o) PyObject_TypeCheck((o), gaeaddec_pytype)
 666 #define GAEADDEC_AAD(o) (((gaeaddec_pyobj *)(o))->aad)
 667 #define GAEADDEC_D(o) (((gaeaddec_pyobj *)(o))->d)
 668 #define GAEADDEC_F(o) (((gaeaddec_pyobj *)(o))->f)
 669 #define GAEADDEC_HSZ(o) (((gaeaddec_pyobj *)(o))->hsz)
 670 #define GAEADDEC_CSZ(o) (((gaeaddec_pyobj *)(o))->csz)
 671 #define GAEADDEC_TSZ(o) (((gaeaddec_pyobj *)(o))->tsz)
 672 #define GAEADDEC_CLEN(o) (((gaeaddec_pyobj *)(o))->clen)
 673 extern PyObject *gaeaddec_pywrap(PyObject *, gaead_dec *, unsigned,
 674                                  size_t, size_t, size_t);
 675 extern int convgaeaddec(PyObject *, void *);
 676
 677 typedef struct gchash_pyobj {
 678   PyHeapTypeObject ty;
 679   gchash *ch;
 680 } gchash_pyobj;
 681
 682 extern PyTypeObject *gchash_pytype;
 683 #define GCHASH_PYCHECK(o) PyObject_TypeCheck((o), gchash_pytype)
 684 #define GCHASH_CH(o) (((gchash_pyobj *)(o))->ch)
 685 extern PyObject *gchash_pywrap(gchash *);
 686 extern int convgchash(PyObject *, void *);
 687
 688 typedef struct ghash_pyobj {
 689   PyObject_HEAD
 690   ghash *h;
 691 } ghash_pyobj;
 692
 693 extern PyTypeObject *ghash_pytype, *gmhash_pytype;
 694 extern PyObject *sha_pyobj, *has160_pyobj;
 695 #define GHASH_PYCHECK(o) PyObject_TypeCheck((o), ghash_pytype)
 696 #define GHASH_H(o) (((ghash_pyobj *)(o))->h)
 697 extern PyObject *ghash_pywrap(PyObject *, ghash *);
 698 extern int convghash(PyObject *, void *);
 699 extern int convgmhash(PyObject *, void *);
 700
 701 typedef struct gcmac_pyobj {
 702   PyHeapTypeObject ty;
 703   gcmac *cm;
 704 } gcmac_pyobj;
 705
 706 extern PyTypeObject *gcmac_pytype;
 707 #define GCMAC_PYCHECK(o) PyObject_TypeCheck((o), gcmac_pytype)
 708 #define GCMAC_CM(o) (((gcmac_pyobj *)(o))->cm)
 709 #define GCMAC_F(o) (((gcmac_pyobj *)(o))->f)
 710 extern PyObject *gcmac_pywrap(gcmac *);
 711 extern int convgcmac(PyObject *, void *);
 712
 713 typedef struct gmac_pyobj {
 714   PyHeapTypeObject ty;
 715   gmac *m;
 716 } gmac_pyobj;
 717
 718 extern PyTypeObject *gmac_pytype;
 719 #define GMAC_PYCHECK(o) PyObject_TypeCheck((o), gmac_pytype)
 720 #define GMAC_M(o) (((gmac_pyobj *)(o))->m)
 721 #define GMAC_F(o) (((gmac_pyobj *)(o))->f)
 722 extern PyObject *gmac_pywrap(PyObject *, gmac *);
 723 extern int convgmac(PyObject *, void *);
 724
 725 /*----- Key generation ----------------------------------------------------*/
 726
 727 typedef struct pfilt_pyobj {
 728   PyObject_HEAD
 729   pfilt f;
 730   int st;
 731 } pfilt_pyobj;
 732
 733 extern PyTypeObject *pfilt_pytype;
 734 #define PFILT_PYCHECK(o) PyObject_TypeCheck(o, pfilt_pytype)
 735 #define PFILT_F(o) (&((pfilt_pyobj *)(o))->f)
 736 #define PFILT_ST(o) (((pfilt_pyobj *)(o))->st)
 737
 738 typedef struct { pgen_proc *proc; void *ctx; } pgev;
 739 #define PGEV_HEAD PyObject_HEAD pgev pg;
 740
 741 typedef struct pgev_pyobj {
 742   PGEV_HEAD
 743 } pgev_pyobj;
 744
 745 extern PyTypeObject *pgev_pytype;
 746 #define PGEV_PYCHECK(o) PyObject_TypeCheck(o, pgev_pytype)
 747 #define PGEV_PG(o) (&((pgev_pyobj *)(o))->pg)
 748
 749 typedef struct pypgev {
 750   pgev ev;
 751   PyObject *obj;
 752   struct excinfo *exc;
 753 } pypgev;
 754
 755 extern int convpgev(PyObject *, void *);
 756 extern void droppgev(pypgev *);
 757 extern void pgenerr(struct excinfo *exc);
 758
 759 /*----- That's all, folks -------------------------------------------------*/
 760
 761 #ifdef __cplusplus
 762   }
 763 #endif
 764
 765 #endif