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