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