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