[catacomb-python] / catacomb-python.h

/* -*-c-*-
 *
 * Definitions for Catacomb bindings
 *
 * (c) 2004 Straylight/Edgeware
 */

/*----- Licensing notice --------------------------------------------------*
 *
 * This file is part of the Python interface to Catacomb.
 *
 * Catacomb/Python is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * Catacomb/Python is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Catacomb/Python; if not, write to the Free Software Foundation,
 * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 */

#ifndef CATACOMB_PYTHON_H
#define CATACOMB_PYTHON_H

#ifdef __cplusplus
  extern "C" {
#endif

/*----- Header files ------------------------------------------------------*/

#define PY_SSIZE_T_CLEAN

#include <Python.h>
#include <longintrepr.h>
#include <structmember.h>

#include <mLib/darray.h>
#include <mLib/dstr.h>
#include <mLib/macros.h>
#include <mLib/quis.h>
#include <mLib/unihash.h>

#include <catacomb/buf.h>
#include <catacomb/ct.h>

#include <catacomb/grand.h>
#include <catacomb/rand.h>
#include <catacomb/noise.h>
#include <catacomb/bbs.h>
#include <catacomb/mprand.h>
#include <catacomb/lcrand.h>
#include <catacomb/fibrand.h>
#include <catacomb/dsarand.h>
#include <catacomb/sslprf.h>
#include <catacomb/tlsprf.h>
#include <catacomb/blkc.h>

#include <catacomb/gcipher.h>
#include <catacomb/ghash.h>
#include <catacomb/gmac.h>
#include <catacomb/md5.h>
#include <catacomb/md5-hmac.h>
#include <catacomb/poly1305.h>
#include <catacomb/sha.h>
#include <catacomb/sha-mgf.h>
#include <catacomb/sha-hmac.h>
#include <catacomb/keccak1600.h>

#include <catacomb/mp.h>
#include <catacomb/mpint.h>
#include <catacomb/mpmul.h>
#include <catacomb/mpcrt.h>
#include <catacomb/mpmont.h>
#include <catacomb/mpbarrett.h>
#include <catacomb/mpreduce.h>
#include <catacomb/mp-fibonacci.h>

#include <catacomb/pgen.h>
#include <catacomb/pfilt.h>
#include <catacomb/strongprime.h>
#include <catacomb/limlee.h>
#include <catacomb/dh.h>
#include <catacomb/ptab.h>
#include <catacomb/bintab.h>
#include <catacomb/dsa.h>
#include <catacomb/x25519.h>
#include <catacomb/x448.h>
#include <catacomb/ed25519.h>

#include <catacomb/gf.h>
#include <catacomb/gfreduce.h>
#include <catacomb/gfn.h>

#include <catacomb/field.h>
#include <catacomb/field-guts.h>

#include <catacomb/ec.h>
#include <catacomb/ec-raw.h>
#include <catacomb/ectab.h>

#include <catacomb/group.h>
#include <catacomb/group-guts.h>

#include <catacomb/gdsa.h>
#include <catacomb/gkcdsa.h>
#include <catacomb/rsa.h>

#include <catacomb/key.h>
#include <catacomb/passphrase.h>
#include <catacomb/pixie.h>

#include <catacomb/share.h>
#include <catacomb/gfshare.h>

/*----- Utility macros ----------------------------------------------------*/

#define RETURN_OBJ(obj) do { Py_INCREF(obj); return (obj); } while (0)
#define RETURN_NONE RETURN_OBJ(Py_None)
#define RETURN_NOTIMPL RETURN_OBJ(Py_NotImplemented)
#define RETURN_TRUE RETURN_OBJ(Py_True)
#define RETURN_FALSE RETURN_OBJ(Py_False)
#define RETURN_ME RETURN_OBJ(me)

#define EXCERR(exc, str) do {						\
  PyErr_SetString(exc, str);						\
  goto end;								\
} while (0)
#define VALERR(str) EXCERR(PyExc_ValueError, str)
#define TYERR(str) EXCERR(PyExc_TypeError, str)
#define ZDIVERR(str) EXCERR(PyExc_ZeroDivisionError, str)
#define SYSERR(str) EXCERR(PyExc_SystemError, str)
#define NIERR(str) EXCERR(PyExc_NotImplementedError, str)
#define INDEXERR(idx) do {						\
  PyErr_SetObject(PyExc_KeyError, idx);					\
  goto end;								\
} while (0)
#define OSERR(name) do {						\
  PyErr_SetFromErrnoWithFilename(PyExc_OSError, name);			\
  goto end;								\
} while (0)
#define PGENERR do { pgenerr(); goto end; } while (0)

#define CONVFUNC(ty, cty, ext)						\
  int conv##ty(PyObject *o, void *p)					\
  {									\
    if (!PyObject_TypeCheck(o, ty##_pytype))				\
      TYERR("wanted a " #ty);						\
    *(cty *)p = ext(o);							\
    return (1);								\
  end:									\
    return (0);								\
  }

#if PY_VERSION_HEX < 0x02050000		/* Compatibility hack */
#  define ht_name name
#  define ht_type type
#endif

#define root_pytype 0
#define type_pytype &PyType_Type
#define INITTYPE_META(ty, base, meta) do {				\
  ty##_pytype_skel.tp_base = base##_pytype;				\
  ty##_pytype = inittype(&ty##_pytype_skel, meta##_pytype);		\
} while (0)
#define INITTYPE(ty, base) INITTYPE_META(ty, base, type)

#define INSERT(name, ob) do {						\
  PyObject *_o = (PyObject *)(ob);					\
  Py_INCREF(_o);							\
  PyModule_AddObject(mod, name, _o);					\
} while (0)

#define INSEXC(name, var, base, meth)					\
  INSERT(name, var = mkexc(mod, base, name, meth))

#define METH(func, doc)							\
  { #func, METHNAME(func), METH_VARARGS, doc },
#define KWMETH(func, doc)						\
  { #func, (PyCFunction)METHNAME(func),					\
    METH_VARARGS | METH_KEYWORDS, doc },

#define GET(func, doc)							\
  { #func, GETSETNAME(get, func), 0, doc },
#define GETSET(func, doc)						\
  { #func, GETSETNAME(get, func), GETSETNAME(set, func), doc },

#define MEMBER(name, ty, f, doc)					\
  { #name, ty, offsetof(MEMBERSTRUCT, name), f, doc },

#define MODULES(_)							\
  _(util)								\
  _(bytestring) _(buffer)						\
  _(rand) _(algorithms) _(pubkey) _(pgen)				\
  _(mp) _(field) _(ec) _(group)						\
  _(passphrase) _(share) _(key)
#define DOMODINIT(m) m##_pyinit();
#define DOMODINSERT(m) m##_pyinsert(mod);
#define INIT_MODULES do { MODULES(DOMODINIT) } while (0)
#define INSERT_MODULES do { MODULES(DOMODINSERT) } while (0)

#define DO(m)								\
  extern void m##_pyinit(void);						\
  extern void m##_pyinsert(PyObject *);
MODULES(DO)
#undef DO

#define FREEOBJ(obj)							\
  (((PyObject *)(obj))->ob_type->tp_free((PyObject *)(obj)))

#define GEN(func, base)							\
  static PyObject *func(void)						\
  {									\
    PyObject *d = PyDict_New();						\
    PyObject *o;							\
    int i;								\
									\
    for (i = 0; g##base##tab[i]; i++) {					\
      o = gc##base##_pywrap((/*unconst*/ gc##base *)g##base##tab[i]);	\
      PyDict_SetItemString(d,						\
			   (/*unconst*/ char *)g##base##tab[i]->name,	\
			   o);						\
      Py_DECREF(o);							\
    }									\
    return (d);								\
  }

struct nameval { const char *name; unsigned long value; };
extern void setconstants(PyObject *, const struct nameval *);

extern PyObject *mexp_common(PyObject *, PyObject *, size_t,
			     PyObject *(*id)(PyObject *),
			     int (*fill)(void *, PyObject *,
					 PyObject *, PyObject *),
			     PyObject *(*exp)(PyObject *, void *, int),
			     void (*drop)(void *));

extern int convulong(PyObject *, void *);
#define DECL_CONVU_(n) extern int convu##n(PyObject *, void *);
DOUINTSZ(DECL_CONVU_)
extern int convmpw(PyObject *, void *);
extern int convuint(PyObject *, void *);
extern int convk64(PyObject *, void *);
extern int convszt(PyObject *, void *);
extern int convbool(PyObject *, void *);
extern PyObject *abstract_pynew(PyTypeObject *, PyObject *, PyObject *);
extern PyObject *getbool(int);
extern PyObject *getulong(unsigned long);
extern PyObject *getk64(kludge64);
extern void *newtype(PyTypeObject *, const PyTypeObject *, const char *);

extern PyObject *mkexc(PyObject *, PyObject *, const char *, PyMethodDef *);
extern void typeready(PyTypeObject *);
extern PyTypeObject *inittype(PyTypeObject *, PyTypeObject *);
extern void addmethods(const PyMethodDef *);
extern PyMethodDef *donemethods(void);

/*----- Mapping methods ---------------------------------------------------*/

#define GMAP_METH(func, doc) { #func, gmapmeth_##func, METH_VARARGS, doc },
#define GMAP_KWMETH(func, doc)						\
  { #func, (PyCFunction)gmapmeth_##func, METH_VARARGS|METH_KEYWORDS, doc },
#define GMAP_METHDECL(func, doc)					\
  extern PyObject *gmapmeth_##func(PyObject *, PyObject *);
#define GMAP_KWMETHDECL(func, doc)					\
  extern PyObject *gmapmeth_##func(PyObject *, PyObject *, PyObject *);

#define GMAP_DOROMETHODS(METH, KWMETH)					\
  METH	(has_key,	"D.has_key(KEY) -> BOOL")			\
  METH	(keys,		"D.keys() -> LIST")				\
  METH	(values,	"D.values() -> LIST")				\
  METH	(items,		"D.items() -> LIST")				\
  METH	(iterkeys,	"D.iterkeys() -> ITER")				\
  METH	(itervalues,	"D.itervalues() -> ITER")			\
  METH	(iteritems,	"D.iteritems() -> ITER")			\
  KWMETH(get,		"D.get(KEY, [default = None]) -> VALUE")	\

#define GMAP_DOMETHODS(METH, KWMETH)					\
  GMAP_DOROMETHODS(METH, KWMETH)					\
  METH	(clear,		"D.clear()")					\
  KWMETH(setdefault,	"D.setdefault(K, [default = None]) -> VALUE")	\
  KWMETH(pop,		"D.pop(KEY, [default = <error>]) -> VALUE")	\
  METH	(popitem,	"D.popitem() -> (KEY, VALUE)")			\
  METH	(update,	"D.update(MAP)")

GMAP_DOMETHODS(GMAP_METHDECL, GMAP_KWMETHDECL)
#define GMAP_ROMETHODS GMAP_DOROMETHODS(GMAP_METH, GMAP_KWMETH)
#define GMAP_METHODS GMAP_DOMETHODS(GMAP_METH, GMAP_KWMETH)
extern Py_ssize_t gmap_pysize(PyObject *);
extern PySequenceMethods gmap_pysequence;
extern PyMethodDef gmap_pymethods[];

/*----- Bytestrings -------------------------------------------------------*/

PyTypeObject *bytestring_pyobj;
PyObject *bytestring_pywrap(const void *, size_t);
PyObject *bytestring_pywrapbuf(buf *);

/*----- Multiprecision arithmetic -----------------------------------------*/

typedef struct mp_pyobj {
  PyObject_HEAD
  mp *x;
} mp_pyobj;

extern PyTypeObject *mp_pytype;
extern PyTypeObject *gf_pytype;
#define MP_X(o) (((mp_pyobj *)(o))->x)
#define MP_PYCHECK(o) PyObject_TypeCheck((o), mp_pytype)
#define GF_PYCHECK(o) PyObject_TypeCheck((o), gf_pytype)

extern mp *mp_frompylong(PyObject *);
extern PyObject *mp_topylong(mp *);
extern mp *tomp(PyObject *);
extern mp *getmp(PyObject *);
extern int convmp(PyObject *, void *);
extern mp *getgf(PyObject *);
extern int convgf(PyObject *, void *);
extern PyObject *mp_pywrap(mp *);
extern PyObject *gf_pywrap(mp *);
extern mp *mp_frompyobject(PyObject *, int);
extern PyObject *mp_topystring(mp *, int,
			       const char *, const char *, const char *);
extern int mp_tolong_checked(mp *, long *, int);

/*----- Abstract fields ---------------------------------------------------*/

typedef struct field_pyobj {
  PyHeapTypeObject ty;
  field *f;
} field_pyobj;

extern PyTypeObject *fe_pytype;
#define FE_PYCHECK(o) PyObject_TypeCheck((o), fe_pytype)
#define FE_F(o) (((fe_pyobj *)(o))->f)
#define FE_FOBJ(o) ((PyObject *)(o)->ob_type)
#define FE_X(o) (((fe_pyobj *)(o))->x)
extern PyObject *fe_pywrap(PyObject *, mp *);
extern mp *getfe(field *, PyObject *);

typedef struct fe_pyobj {
  PyObject_HEAD
  field *f;
  mp *x;
} fe_pyobj;

extern PyTypeObject *field_pytype;
extern PyTypeObject *primefield_pytype;
extern PyTypeObject *niceprimefield_pytype;
extern PyTypeObject *binfield_pytype;
extern PyTypeObject *binpolyfield_pytype;
extern PyTypeObject *binnormfield_pytype;
#define FIELD_PYCHECK(o) PyObject_TypeCheck((o), field_pytype)
#define FIELD_F(o) (((field_pyobj *)(o))->f)
extern PyObject *field_pywrap(field *);
extern field *field_copy(field *);

/*----- Elliptic curves ---------------------------------------------------*/

typedef struct ecpt_pyobj {
  PyObject_HEAD
  ec_curve *c;
  ec p;
} ecpt_pyobj;

extern PyTypeObject *ecpt_pytype, *ecptcurve_pytype;
#define ECPT_PYCHECK(o) PyObject_TypeCheck((o), ecpt_pytype)
#define ECPTCURVE_PYCHECK(o) PyObject_TypeCheck((o), ecptcurve_pytype)
#define ECPT_C(o) (((ecpt_pyobj *)(o))->c)
#define ECPT_COBJ(o) ((PyObject *)(o)->ob_type)
#define ECPT_FOBJ(o) ECCURVE_FOBJ(ECPT_COBJ((o)))
#define ECPT_P(o) (&((ecpt_pyobj *)(o))->p)
extern PyObject *ecpt_pywrap(PyObject *, ec *);
extern PyObject *ecpt_pywrapout(void *, ec *);
extern int toecpt(ec_curve *, ec *, PyObject *);
extern int getecpt(ec_curve *, ec *, PyObject *);
extern void getecptout(ec *, PyObject *);
extern int convecpt(PyObject *, void *);

typedef struct eccurve_pyobj {
  PyHeapTypeObject ty;
  ec_curve *c;
  PyObject *fobj;
} eccurve_pyobj;

extern PyTypeObject *eccurve_pytype;
extern PyTypeObject *ecprimecurve_pytype;
extern PyTypeObject *ecprimeprojcurve_pytype;
extern PyTypeObject *ecbincurve_pytype;
extern PyTypeObject *ecbinprojcurve_pytype;
#define ECCURVE_PYCHECK(o) PyObject_TypeCheck((o), eccurve_pytype)
#define ECCURVE_C(o) (((eccurve_pyobj *)(o))->c)
#define ECCURVE_FOBJ(o) (((eccurve_pyobj *)(o))->fobj)
extern PyObject *eccurve_pywrap(PyObject *, ec_curve *);
extern ec_curve *eccurve_copy(ec_curve *);

typedef struct ecinfo_pyobj {
  PyObject_HEAD
  ec_info ei;
  PyObject *cobj;
} ecinfo_pyobj;

extern PyTypeObject *ecinfo_pytype;
#define ECINFO_PYCHECK(o) PyObject_TypeCheck((o), ecinfo_pytype)
#define ECINFO_EI(o) (&((ecinfo_pyobj *)(o))->ei)
#define ECINFO_COBJ(o) (((ecinfo_pyobj *)(o))->cobj)
extern void ecinfo_copy(ec_info *, const ec_info *);
extern PyObject *ecinfo_pywrap(ec_info *);

/*----- Cyclic groups -----------------------------------------------------*/

typedef struct fginfo_pyobj {
  PyObject_HEAD
  gprime_param dp;
} fginfo_pyobj;

PyTypeObject *fginfo_pytype, *dhinfo_pytype, *bindhinfo_pytype;
#define FGINFO_DP(fg) (&((fginfo_pyobj *)(fg))->dp)
PyObject *fginfo_pywrap(gprime_param *, PyTypeObject *);

typedef struct ge_pyobj {
  PyObject_HEAD
  ge *x;
  group *g;
} ge_pyobj;

extern PyTypeObject *ge_pytype;
#define GE_PYCHECK(o) PyObject_TypeCheck((o), ge_pytype)
#define GE_X(o) (((ge_pyobj *)(o))->x)
#define GE_G(o) (((ge_pyobj *)(o))->g)
#define GE_GOBJ(o) ((PyObject *)(group_pyobj *)(o)->ob_type)
extern PyObject *ge_pywrap(PyObject *, ge *);

typedef struct group_pyobj {
  PyHeapTypeObject ty;
  group *g;
} group_pyobj;

extern PyTypeObject *group_pytype;
extern PyTypeObject *primegroup_pytype, *bingroup_pytype, *ecgroup_pytype;
#define GROUP_G(o) (((group_pyobj *)(o))->g)
extern PyObject *group_pywrap(group *);
extern group *group_copy(group *);

/*----- Random number generators ------------------------------------------*/

#define f_freeme 1u

typedef struct grand_pyobj {
  PyObject_HEAD
  unsigned f;
  grand *r;
} grand_pyobj;

extern PyTypeObject *grand_pytype, *truerand_pytype;
extern PyTypeObject *lcrand_pytype,* fibrand_pytype;
extern PyTypeObject *dsarand_pytype, *bbs_pytype;
extern PyObject *rand_pyobj;
#define GRAND_PYCHECK(o) PyObject_TypeCheck((o), grand_pytype)
#define GRAND_F(o) (((grand_pyobj *)(o))->f)
#define GRAND_R(o) (((grand_pyobj *)(o))->r)
extern PyObject *grand_pywrap(grand *, unsigned);
extern int convgrand(PyObject *, void *);

/*----- Key sizes ---------------------------------------------------------*/

typedef struct keysz_pyobj {
  PyObject_HEAD
  int dfl;
} keysz_pyobj;

typedef struct keyszrange_pyobj {
  PyObject_HEAD
  int dfl;
  int min, max, mod;
} keyszrange_pyobj;

typedef struct keyszset_pyobj {
  PyObject_HEAD
  int dfl;
  PyObject *set;
} keyszset_pyobj;

#define KEYSZ_PYCHECK(o) PyObject_TypeCheck((o), keysz_pytype)
extern PyObject *keysz_pywrap(const octet *);

/*----- Symmetric cryptography --------------------------------------------*/

typedef struct gccipher_pyobj {
  PyHeapTypeObject ty;
  gccipher *cc;
} gccipher_pyobj;

extern PyTypeObject *gccipher_pytype;
#define GCCIPHER_PYCHECK(o) PyObject_TypeCheck((o), gccipher_pytype)
#define GCCIPHER_CC(o) (((gccipher_pyobj *)(o))->cc)
#define GCCIPHER_F(o) (((gccipher_pyobj *)(o))->f)
extern PyObject *gccipher_pywrap(gccipher *);
extern int convgccipher(PyObject *, void *);
extern int convgcipher(PyObject *, void *);

typedef struct gcipher_pyobj {
  PyObject_HEAD
  unsigned f;
  gcipher *c;
} gcipher_pyobj;

extern PyTypeObject *gcipher_pytype;
#define GCIPHER_PYCHECK(o) PyObject_TypeCheck((o), gcipher_pytype)
#define GCIPHER_C(o) (((gcipher_pyobj *)(o))->c)
#define GCIPHER_F(o) (((gcipher_pyobj *)(o))->f)
extern PyObject *gcipher_pywrap(PyObject *, gcipher *, unsigned);
extern int convgcipher(PyObject *, void *);

typedef struct gchash_pyobj {
  PyHeapTypeObject ty;
  gchash *ch;
} gchash_pyobj;

extern PyTypeObject *gchash_pytype;
#define GCHASH_PYCHECK(o) PyObject_TypeCheck((o), gchash_pytype)
#define GCHASH_CH(o) (((gchash_pyobj *)(o))->ch)
#define GCHASH_F(o) (((gchash_pyobj *)(o))->f)
extern PyObject *gchash_pywrap(gchash *);
extern int convgchash(PyObject *, void *);

typedef struct ghash_pyobj {
  PyObject_HEAD
  unsigned f;
  ghash *h;
} ghash_pyobj;

extern PyTypeObject *ghash_pytype, *gmhash_pytype;
extern PyObject *sha_pyobj, *has160_pyobj;
#define GHASH_PYCHECK(o) PyObject_TypeCheck((o), ghash_pytype)
#define GHASH_H(o) (((ghash_pyobj *)(o))->h)
#define GHASH_F(o) (((ghash_pyobj *)(o))->f)
extern PyObject *ghash_pywrap(PyObject *, ghash *, unsigned);
extern int convghash(PyObject *, void *);
extern int convgmhash(PyObject *, void *);

typedef struct gcmac_pyobj {
  PyHeapTypeObject ty;
  gcmac *cm;
} gcmac_pyobj;

extern PyTypeObject *gcmac_pytype;
#define GCMAC_PYCHECK(o) PyObject_TypeCheck((o), gcmac_pytype)
#define GCMAC_CM(o) (((gcmac_pyobj *)(o))->cm)
#define GCMAC_F(o) (((gcmac_pyobj *)(o))->f)
extern PyObject *gcmac_pywrap(gcmac *);
extern int convgcmac(PyObject *, void *);

typedef struct gmac_pyobj {
  PyHeapTypeObject ty;
  unsigned f;
  gmac *m;
} gmac_pyobj;

extern PyTypeObject *gmac_pytype;
#define GMAC_PYCHECK(o) PyObject_TypeCheck((o), gmac_pytype)
#define GMAC_M(o) (((gmac_pyobj *)(o))->m)
#define GMAC_F(o) (((gmac_pyobj *)(o))->f)
extern PyObject *gmac_pywrap(PyObject *, gmac *, unsigned);
extern int convgmac(PyObject *, void *);

/*----- Key generation ----------------------------------------------------*/

typedef struct pfilt_pyobj {
  PyObject_HEAD
  pfilt f;
  int st;
} pfilt_pyobj;

extern PyTypeObject *pfilt_pytype;
#define PFILT_PYCHECK(o) PyObject_TypeCheck(o, pfilt_pytype)
#define PFILT_F(o) (&((pfilt_pyobj *)(o))->f)
#define PFILT_ST(o) (((pfilt_pyobj *)(o))->st)

typedef struct { pgen_proc *proc; void *ctx; } pgev;
#define PGEV_HEAD PyObject_HEAD pgev pg;

typedef struct pgev_pyobj {
  PGEV_HEAD
} pgev_pyobj;

extern PyTypeObject *pgev_pytype;
#define PGEV_PYCHECK(o) PyObject_TypeCheck(o, pgev_pytype)
#define PGEV_PG(o) (&((pgev_pyobj *)(o))->pg)

extern int convpgev(PyObject *, void *);
extern void droppgev(pgev *);
extern void pgenerr(void);

/*----- That's all, folks -------------------------------------------------*/

#ifdef __cplusplus
  }
#endif

#endif
Commit	Line	Data
d7ab1bab	1	/* --c--
d7ab1bab	2	*
	3	* Definitions for Catacomb bindings
	4	*
	5	* (c) 2004 Straylight/Edgeware
	6	*/
	7
b2687a0a	8	/----- Licensing notice --------------------------------------------------
d7ab1bab	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.
b2687a0a	16	*
d7ab1bab	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.
b2687a0a	21	*
d7ab1bab	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
6b54260d MW	36	#define PY_SSIZE_T_CLEAN
6b54260d MW	37
d7ab1bab	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>
46e6ad89	45	#include <mLib/quis.h>
6d481bc6	46	#include <mLib/unihash.h>
d7ab1bab	47
d7ab1bab	48	#include <catacomb/buf.h>
bfb450cc	49	#include <catacomb/ct.h>
d7ab1bab	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>
03ed9abb	61	#include <catacomb/blkc.h>
d7ab1bab	62
	63	#include <catacomb/gcipher.h>
	64	#include <catacomb/ghash.h>
	65	#include <catacomb/gmac.h>
	66	#include <catacomb/md5.h>
	67	#include <catacomb/md5-hmac.h>
204d480b	68	#include <catacomb/poly1305.h>
d7ab1bab	69	#include <catacomb/sha.h>
	70	#include <catacomb/sha-mgf.h>
	71	#include <catacomb/sha-hmac.h>
b35fdbe6	72	#include <catacomb/keccak1600.h>
d7ab1bab	73
	74	#include <catacomb/mp.h>
	75	#include <catacomb/mpint.h>
	76	#include <catacomb/mpmul.h>
	77	#include <catacomb/mpcrt.h>
	78	#include <catacomb/mpmont.h>
	79	#include <catacomb/mpbarrett.h>
	80	#include <catacomb/mpreduce.h>
6313f40e	81	#include <catacomb/mp-fibonacci.h>
d7ab1bab	82
	83	#include <catacomb/pgen.h>
	84	#include <catacomb/pfilt.h>
	85	#include <catacomb/strongprime.h>
	86	#include <catacomb/limlee.h>
	87	#include <catacomb/dh.h>
	88	#include <catacomb/ptab.h>
	89	#include <catacomb/bintab.h>
	90	#include <catacomb/dsa.h>
848ba392	91	#include <catacomb/x25519.h>
eb8aa4ec	92	#include <catacomb/x448.h>
dafb2da4	93	#include <catacomb/ed25519.h>
d7ab1bab	94
	95	#include <catacomb/gf.h>
	96	#include <catacomb/gfreduce.h>
	97	#include <catacomb/gfn.h>
	98
	99	#include <catacomb/field.h>
	100	#include <catacomb/field-guts.h>
	101
	102	#include <catacomb/ec.h>
	103	#include <catacomb/ec-raw.h>
	104	#include <catacomb/ectab.h>
	105
	106	#include <catacomb/group.h>
	107	#include <catacomb/group-guts.h>
	108
	109	#include <catacomb/gdsa.h>
	110	#include <catacomb/gkcdsa.h>
	111	#include <catacomb/rsa.h>
	112
	113	#include <catacomb/key.h>
	114	#include <catacomb/passphrase.h>
	115	#include <catacomb/pixie.h>
	116
46e6ad89	117	#include <catacomb/share.h>
	118	#include <catacomb/gfshare.h>
	119
d7ab1bab	120	/----- Utility macros ----------------------------------------------------/
	121
	122	#define RETURN_OBJ(obj) do { Py_INCREF(obj); return (obj); } while (0)
	123	#define RETURN_NONE RETURN_OBJ(Py_None)
	124	#define RETURN_NOTIMPL RETURN_OBJ(Py_NotImplemented)
	125	#define RETURN_TRUE RETURN_OBJ(Py_True)
	126	#define RETURN_FALSE RETURN_OBJ(Py_False)
	127	#define RETURN_ME RETURN_OBJ(me)
	128
	129	#define EXCERR(exc, str) do { \
	130	PyErr_SetString(exc, str); \
	131	goto end; \
	132	} while (0)
	133	#define VALERR(str) EXCERR(PyExc_ValueError, str)
	134	#define TYERR(str) EXCERR(PyExc_TypeError, str)
	135	#define ZDIVERR(str) EXCERR(PyExc_ZeroDivisionError, str)
d7ab1bab	136	#define SYSERR(str) EXCERR(PyExc_SystemError, str)
11cb3d97	137	#define NIERR(str) EXCERR(PyExc_NotImplementedError, str)
46e6ad89	138	#define INDEXERR(idx) do { \
	139	PyErr_SetObject(PyExc_KeyError, idx); \
	140	goto end; \
	141	} while (0)
d7ab1bab	142	#define OSERR(name) do { \
	143	PyErr_SetFromErrnoWithFilename(PyExc_OSError, name); \
	144	goto end; \
	145	} while (0)
	146	#define PGENERR do { pgenerr(); goto end; } while (0)
	147
	148	#define CONVFUNC(ty, cty, ext) \
	149	int conv##ty(PyObject o, void p) \
	150	{ \
	151	if (!PyObject_TypeCheck(o, ty##_pytype)) \
	152	TYERR("wanted a " #ty); \
	153	(cty )p = ext(o); \
	154	return (1); \
	155	end: \
	156	return (0); \
	157	}
	158
24b3d57b MW	159	#if PY_VERSION_HEX < 0x02050000 /* Compatibility hack */
	160	# define ht_name name
	161	# define ht_type type
	162	#endif
	163
d7ab1bab	164	#define root_pytype 0
d7ab1bab	165	#define type_pytype &PyType_Type
76ca8edd	166	#define INITTYPE_META(ty, base, meta) do { \
d7ab1bab	167	ty##_pytype_skel.tp_base = base##_pytype; \
76ca8edd	168	ty##_pytype = inittype(&ty##_pytype_skel, meta##_pytype); \
d7ab1bab	169	} while (0)
76ca8edd	170	#define INITTYPE(ty, base) INITTYPE_META(ty, base, type)
d7ab1bab	171
	172	#define INSERT(name, ob) do { \
	173	PyObject _o = (PyObject )(ob); \
b2687a0a	174	Py_INCREF(_o); \
d7ab1bab	175	PyModule_AddObject(mod, name, _o); \
	176	} while (0)
	177
46e6ad89	178	#define INSEXC(name, var, base, meth) \
	179	INSERT(name, var = mkexc(mod, base, name, meth))
	180
d7ab1bab	181	#define METH(func, doc) \
	182	{ #func, METHNAME(func), METH_VARARGS, doc },
	183	#define KWMETH(func, doc) \
	184	{ #func, (PyCFunction)METHNAME(func), \
	185	METH_VARARGS \| METH_KEYWORDS, doc },
	186
	187	#define GET(func, doc) \
	188	{ #func, GETSETNAME(get, func), 0, doc },
	189	#define GETSET(func, doc) \
	190	{ #func, GETSETNAME(get, func), GETSETNAME(set, func), doc },
	191
	192	#define MEMBER(name, ty, f, doc) \
	193	{ #name, ty, offsetof(MEMBERSTRUCT, name), f, doc },
	194
46e6ad89	195	#define MODULES(_) \
0b1b92bd	196	_(util) \
46e6ad89	197	_(bytestring) _(buffer) \
	198	_(rand) _(algorithms) _(pubkey) _(pgen) \
	199	_(mp) _(field) _(ec) _(group) \
0b1b92bd	200	_(passphrase) _(share) _(key)
d7ab1bab	201	#define DOMODINIT(m) m##_pyinit();
	202	#define DOMODINSERT(m) m##_pyinsert(mod);
	203	#define INIT_MODULES do { MODULES(DOMODINIT) } while (0)
	204	#define INSERT_MODULES do { MODULES(DOMODINSERT) } while (0)
	205
	206	#define DO(m) \
	207	extern void m##_pyinit(void); \
	208	extern void m##_pyinsert(PyObject *);
	209	MODULES(DO)
	210	#undef DO
	211
3aa33042	212	#define FREEOBJ(obj) \
	213	(((PyObject )(obj))->ob_type->tp_free((PyObject )(obj)))
	214
11cb3d97 MW	215	#define GEN(func, base) \
	216	static PyObject *func(void) \
	217	{ \
	218	PyObject *d = PyDict_New(); \
	219	PyObject *o; \
	220	int i; \
	221	\
	222	for (i = 0; g##base##tab[i]; i++) { \
	223	o = gc##base##_pywrap((/unconst/ gc##base *)g##base##tab[i]); \
	224	PyDict_SetItemString(d, \
	225	(/unconst/ char *)g##base##tab[i]->name, \
	226	o); \
	227	Py_DECREF(o); \
	228	} \
	229	return (d); \
	230	}
	231
	232	struct nameval { const char *name; unsigned long value; };
	233	extern void setconstants(PyObject , const struct nameval );
	234
	235	extern PyObject mexp_common(PyObject , PyObject *, size_t,
	236	PyObject (id)(PyObject *),
	237	int (fill)(void , PyObject *,
	238	PyObject , PyObject ),
	239	PyObject (exp)(PyObject , void , int),
	240	void (drop)(void ));
	241
	242	extern int convulong(PyObject , void );
	243	#define DECL_CONVU_(n) extern int convu##n(PyObject , void );
	244	DOUINTSZ(DECL_CONVU_)
	245	extern int convmpw(PyObject , void );
	246	extern int convuint(PyObject , void );
9f9ea9ea	247	extern int convk64(PyObject , void );
11cb3d97 MW	248	extern int convszt(PyObject , void );
	249	extern int convbool(PyObject , void );
	250	extern PyObject abstract_pynew(PyTypeObject , PyObject , PyObject );
	251	extern PyObject *getbool(int);
fbca05a1	252	extern PyObject *getulong(unsigned long);
9f9ea9ea	253	extern PyObject *getk64(kludge64);
11cb3d97 MW	254	extern void newtype(PyTypeObject , const PyTypeObject , const char );
11cb3d97 MW	255
ef5675cb	256	extern PyObject mkexc(PyObject , PyObject , const char , PyMethodDef *);
dc075750	257	extern void typeready(PyTypeObject *);
76ca8edd	258	extern PyTypeObject inittype(PyTypeObject , PyTypeObject *);
11cb3d97 MW	259	extern void addmethods(const PyMethodDef *);
	260	extern PyMethodDef *donemethods(void);
	261
	262	/----- Mapping methods ---------------------------------------------------/
	263
	264	#define GMAP_METH(func, doc) { #func, gmapmeth_##func, METH_VARARGS, doc },
	265	#define GMAP_KWMETH(func, doc) \
	266	{ #func, (PyCFunction)gmapmeth_##func, METH_VARARGS\|METH_KEYWORDS, doc },
	267	#define GMAP_METHDECL(func, doc) \
	268	extern PyObject gmapmeth_##func(PyObject , PyObject *);
	269	#define GMAP_KWMETHDECL(func, doc) \
	270	extern PyObject gmapmeth_##func(PyObject , PyObject , PyObject );
	271
7ca950d1	272	#define GMAP_DOROMETHODS(METH, KWMETH) \
11cb3d97 MW	273	METH (has_key, "D.has_key(KEY) -> BOOL") \
	274	METH (keys, "D.keys() -> LIST") \
	275	METH (values, "D.values() -> LIST") \
	276	METH (items, "D.items() -> LIST") \
	277	METH (iterkeys, "D.iterkeys() -> ITER") \
	278	METH (itervalues, "D.itervalues() -> ITER") \
b2687a0a	279	METH (iteritems, "D.iteritems() -> ITER") \
11cb3d97	280	KWMETH(get, "D.get(KEY, [default = None]) -> VALUE") \
7ca950d1 MW	281
	282	#define GMAP_DOMETHODS(METH, KWMETH) \
	283	GMAP_DOROMETHODS(METH, KWMETH) \
	284	METH (clear, "D.clear()") \
11cb3d97 MW	285	KWMETH(setdefault, "D.setdefault(K, [default = None]) -> VALUE") \
	286	KWMETH(pop, "D.pop(KEY, [default = <error>]) -> VALUE") \
	287	METH (popitem, "D.popitem() -> (KEY, VALUE)") \
	288	METH (update, "D.update(MAP)")
	289
	290	GMAP_DOMETHODS(GMAP_METHDECL, GMAP_KWMETHDECL)
7ca950d1	291	#define GMAP_ROMETHODS GMAP_DOROMETHODS(GMAP_METH, GMAP_KWMETH)
11cb3d97	292	#define GMAP_METHODS GMAP_DOMETHODS(GMAP_METH, GMAP_KWMETH)
3d8f5f7c	293	extern Py_ssize_t gmap_pysize(PyObject *);
11cb3d97 MW	294	extern PySequenceMethods gmap_pysequence;
	295	extern PyMethodDef gmap_pymethods[];
	296
d7ab1bab	297	/----- Bytestrings -------------------------------------------------------/
	298
	299	PyTypeObject *bytestring_pyobj;
	300	PyObject bytestring_pywrap(const void , size_t);
	301	PyObject bytestring_pywrapbuf(buf );
	302
	303	/----- Multiprecision arithmetic -----------------------------------------/
	304
	305	typedef struct mp_pyobj {
	306	PyObject_HEAD
	307	mp *x;
	308	} mp_pyobj;
	309
	310	extern PyTypeObject *mp_pytype;
	311	extern PyTypeObject *gf_pytype;
	312	#define MP_X(o) (((mp_pyobj *)(o))->x)
	313	#define MP_PYCHECK(o) PyObject_TypeCheck((o), mp_pytype)
	314	#define GF_PYCHECK(o) PyObject_TypeCheck((o), gf_pytype)
	315
f368b46e MW	316	extern mp mp_frompylong(PyObject );
f368b46e MW	317	extern PyObject mp_topylong(mp );
d7ab1bab	318	extern mp tomp(PyObject );
	319	extern mp getmp(PyObject );
	320	extern int convmp(PyObject , void );
	321	extern mp getgf(PyObject );
	322	extern int convgf(PyObject , void );
	323	extern PyObject mp_pywrap(mp );
	324	extern PyObject gf_pywrap(mp );
	325	extern mp mp_frompyobject(PyObject , int);
	326	extern PyObject mp_topystring(mp , int,
	327	const char , const char , const char *);
bc243788	328	extern int mp_tolong_checked(mp , long , int);
d7ab1bab	329
	330	/----- Abstract fields ---------------------------------------------------/
	331
	332	typedef struct field_pyobj {
df9f8366	333	PyHeapTypeObject ty;
d7ab1bab	334	field *f;
	335	} field_pyobj;
	336
	337	extern PyTypeObject *fe_pytype;
	338	#define FE_PYCHECK(o) PyObject_TypeCheck((o), fe_pytype)
	339	#define FE_F(o) (((fe_pyobj *)(o))->f)
	340	#define FE_FOBJ(o) ((PyObject *)(o)->ob_type)
	341	#define FE_X(o) (((fe_pyobj *)(o))->x)
	342	extern PyObject fe_pywrap(PyObject , mp *);
	343	extern mp getfe(field , PyObject *);
	344
	345	typedef struct fe_pyobj {
	346	PyObject_HEAD
	347	field *f;
d7ab1bab	348	mp *x;
d7ab1bab	349	} fe_pyobj;
b2687a0a	350
d7ab1bab	351	extern PyTypeObject *field_pytype;
	352	extern PyTypeObject *primefield_pytype;
	353	extern PyTypeObject *niceprimefield_pytype;
	354	extern PyTypeObject *binfield_pytype;
	355	extern PyTypeObject *binpolyfield_pytype;
	356	extern PyTypeObject *binnormfield_pytype;
	357	#define FIELD_PYCHECK(o) PyObject_TypeCheck((o), field_pytype)
	358	#define FIELD_F(o) (((field_pyobj *)(o))->f)
	359	extern PyObject field_pywrap(field );
	360	extern field field_copy(field );
	361
	362	/----- Elliptic curves ---------------------------------------------------/
	363
	364	typedef struct ecpt_pyobj {
	365	PyObject_HEAD
	366	ec_curve *c;
	367	ec p;
	368	} ecpt_pyobj;
	369
	370	extern PyTypeObject ecpt_pytype, ecptcurve_pytype;
	371	#define ECPT_PYCHECK(o) PyObject_TypeCheck((o), ecpt_pytype)
	372	#define ECPTCURVE_PYCHECK(o) PyObject_TypeCheck((o), ecptcurve_pytype)
	373	#define ECPT_C(o) (((ecpt_pyobj *)(o))->c)
	374	#define ECPT_COBJ(o) ((PyObject *)(o)->ob_type)
	375	#define ECPT_FOBJ(o) ECCURVE_FOBJ(ECPT_COBJ((o)))
	376	#define ECPT_P(o) (&((ecpt_pyobj *)(o))->p)
	377	extern PyObject ecpt_pywrap(PyObject , ec *);
	378	extern PyObject ecpt_pywrapout(void , ec *);
	379	extern int toecpt(ec_curve , ec , PyObject *);
	380	extern int getecpt(ec_curve , ec , PyObject *);
	381	extern void getecptout(ec , PyObject );
46e6ad89	382	extern int convecpt(PyObject , void );
d7ab1bab	383
d7ab1bab	384	typedef struct eccurve_pyobj {
df9f8366	385	PyHeapTypeObject ty;
d7ab1bab	386	ec_curve *c;
	387	PyObject *fobj;
	388	} eccurve_pyobj;
	389
	390	extern PyTypeObject *eccurve_pytype;
	391	extern PyTypeObject *ecprimecurve_pytype;
	392	extern PyTypeObject *ecprimeprojcurve_pytype;
	393	extern PyTypeObject *ecbincurve_pytype;
	394	extern PyTypeObject *ecbinprojcurve_pytype;
	395	#define ECCURVE_PYCHECK(o) PyObject_TypeCheck((o), eccurve_pytype)
	396	#define ECCURVE_C(o) (((eccurve_pyobj *)(o))->c)
	397	#define ECCURVE_FOBJ(o) (((eccurve_pyobj *)(o))->fobj)
	398	extern PyObject eccurve_pywrap(PyObject , ec_curve *);
	399	extern ec_curve eccurve_copy(ec_curve );
	400
	401	typedef struct ecinfo_pyobj {
	402	PyObject_HEAD
	403	ec_info ei;
	404	PyObject *cobj;
	405	} ecinfo_pyobj;
b2687a0a	406
d7ab1bab	407	extern PyTypeObject *ecinfo_pytype;
	408	#define ECINFO_PYCHECK(o) PyObject_TypeCheck((o), ecinfo_pytype)
	409	#define ECINFO_EI(o) (&((ecinfo_pyobj *)(o))->ei)
	410	#define ECINFO_COBJ(o) (((ecinfo_pyobj *)(o))->cobj)
	411	extern void ecinfo_copy(ec_info , const ec_info );
	412	extern PyObject ecinfo_pywrap(ec_info );
	413
	414	/----- Cyclic groups -----------------------------------------------------/
	415
	416	typedef struct fginfo_pyobj {
	417	PyObject_HEAD
	418	gprime_param dp;
	419	} fginfo_pyobj;
	420
	421	PyTypeObject fginfo_pytype, dhinfo_pytype, *bindhinfo_pytype;
	422	#define FGINFO_DP(fg) (&((fginfo_pyobj *)(fg))->dp)
	423	PyObject fginfo_pywrap(gprime_param , PyTypeObject *);
	424
	425	typedef struct ge_pyobj {
	426	PyObject_HEAD
	427	ge *x;
	428	group *g;
	429	} ge_pyobj;
	430
	431	extern PyTypeObject *ge_pytype;
	432	#define GE_PYCHECK(o) PyObject_TypeCheck((o), ge_pytype)
	433	#define GE_X(o) (((ge_pyobj *)(o))->x)
	434	#define GE_G(o) (((ge_pyobj *)(o))->g)
	435	#define GE_GOBJ(o) ((PyObject )(group_pyobj )(o)->ob_type)
	436	extern PyObject ge_pywrap(PyObject , ge *);
	437
	438	typedef struct group_pyobj {
df9f8366	439	PyHeapTypeObject ty;
d7ab1bab	440	group *g;
	441	} group_pyobj;
	442
	443	extern PyTypeObject *group_pytype;
	444	extern PyTypeObject primegroup_pytype, bingroup_pytype, *ecgroup_pytype;
	445	#define GROUP_G(o) (((group_pyobj *)(o))->g)
	446	extern PyObject group_pywrap(group );
	447	extern group group_copy(group );
	448
	449	/----- Random number generators ------------------------------------------/
	450
	451	#define f_freeme 1u
	452
	453	typedef struct grand_pyobj {
	454	PyObject_HEAD
	455	unsigned f;
	456	grand *r;
	457	} grand_pyobj;
	458
	459	extern PyTypeObject grand_pytype, truerand_pytype;
	460	extern PyTypeObject lcrand_pytype, fibrand_pytype;
	461	extern PyTypeObject dsarand_pytype, bbs_pytype;
	462	extern PyObject *rand_pyobj;
	463	#define GRAND_PYCHECK(o) PyObject_TypeCheck((o), grand_pytype)
	464	#define GRAND_F(o) (((grand_pyobj *)(o))->f)
	465	#define GRAND_R(o) (((grand_pyobj *)(o))->r)
	466	extern PyObject grand_pywrap(grand , unsigned);
	467	extern int convgrand(PyObject , void );
	468
	469	/----- Key sizes ---------------------------------------------------------/
	470
	471	typedef struct keysz_pyobj {
	472	PyObject_HEAD
	473	int dfl;
	474	} keysz_pyobj;
	475
	476	typedef struct keyszrange_pyobj {
	477	PyObject_HEAD
	478	int dfl;
	479	int min, max, mod;
	480	} keyszrange_pyobj;
	481
	482	typedef struct keyszset_pyobj {
	483	PyObject_HEAD
	484	int dfl;
	485	PyObject *set;
	486	} keyszset_pyobj;
	487
	488	#define KEYSZ_PYCHECK(o) PyObject_TypeCheck((o), keysz_pytype)
	489	extern PyObject keysz_pywrap(const octet );
	490
	491	/----- Symmetric cryptography --------------------------------------------/
	492
	493	typedef struct gccipher_pyobj {
df9f8366	494	PyHeapTypeObject ty;
d7ab1bab	495	gccipher *cc;
	496	} gccipher_pyobj;
	497
	498	extern PyTypeObject *gccipher_pytype;
	499	#define GCCIPHER_PYCHECK(o) PyObject_TypeCheck((o), gccipher_pytype)
	500	#define GCCIPHER_CC(o) (((gccipher_pyobj *)(o))->cc)
	501	#define GCCIPHER_F(o) (((gccipher_pyobj *)(o))->f)
	502	extern PyObject gccipher_pywrap(gccipher );
	503	extern int convgccipher(PyObject , void );
	504	extern int convgcipher(PyObject , void );
	505
	506	typedef struct gcipher_pyobj {
	507	PyObject_HEAD
	508	unsigned f;
	509	gcipher *c;
	510	} gcipher_pyobj;
	511
	512	extern PyTypeObject *gcipher_pytype;
	513	#define GCIPHER_PYCHECK(o) PyObject_TypeCheck((o), gcipher_pytype)
	514	#define GCIPHER_C(o) (((gcipher_pyobj *)(o))->c)
	515	#define GCIPHER_F(o) (((gcipher_pyobj *)(o))->f)
	516	extern PyObject gcipher_pywrap(PyObject , gcipher *, unsigned);
	517	extern int convgcipher(PyObject , void );
	518
	519	typedef struct gchash_pyobj {
df9f8366	520	PyHeapTypeObject ty;
d7ab1bab	521	gchash *ch;
	522	} gchash_pyobj;
	523
	524	extern PyTypeObject *gchash_pytype;
	525	#define GCHASH_PYCHECK(o) PyObject_TypeCheck((o), gchash_pytype)
	526	#define GCHASH_CH(o) (((gchash_pyobj *)(o))->ch)
	527	#define GCHASH_F(o) (((gchash_pyobj *)(o))->f)
	528	extern PyObject gchash_pywrap(gchash );
	529	extern int convgchash(PyObject , void );
	530
	531	typedef struct ghash_pyobj {
	532	PyObject_HEAD
	533	unsigned f;
	534	ghash *h;
	535	} ghash_pyobj;
	536
	537	extern PyTypeObject ghash_pytype, gmhash_pytype;
	538	extern PyObject sha_pyobj, has160_pyobj;
	539	#define GHASH_PYCHECK(o) PyObject_TypeCheck((o), ghash_pytype)
	540	#define GHASH_H(o) (((ghash_pyobj *)(o))->h)
	541	#define GHASH_F(o) (((ghash_pyobj *)(o))->f)
	542	extern PyObject ghash_pywrap(PyObject , ghash *, unsigned);
	543	extern int convghash(PyObject , void );
	544	extern int convgmhash(PyObject , void );
	545
	546	typedef struct gcmac_pyobj {
df9f8366	547	PyHeapTypeObject ty;
d7ab1bab	548	gcmac *cm;
	549	} gcmac_pyobj;
	550
	551	extern PyTypeObject *gcmac_pytype;
	552	#define GCMAC_PYCHECK(o) PyObject_TypeCheck((o), gcmac_pytype)
	553	#define GCMAC_CM(o) (((gcmac_pyobj *)(o))->cm)
	554	#define GCMAC_F(o) (((gcmac_pyobj *)(o))->f)
	555	extern PyObject gcmac_pywrap(gcmac );
	556	extern int convgcmac(PyObject , void );
	557
	558	typedef struct gmac_pyobj {
df9f8366	559	PyHeapTypeObject ty;
d7ab1bab	560	unsigned f;
d7ab1bab	561	gmac *m;
d7ab1bab	562	} gmac_pyobj;
	563
	564	extern PyTypeObject *gmac_pytype;
	565	#define GMAC_PYCHECK(o) PyObject_TypeCheck((o), gmac_pytype)
	566	#define GMAC_M(o) (((gmac_pyobj *)(o))->m)
d7ab1bab	567	#define GMAC_F(o) (((gmac_pyobj *)(o))->f)
	568	extern PyObject gmac_pywrap(PyObject , gmac *, unsigned);
	569	extern int convgmac(PyObject , void );
	570
d7ab1bab	571	/----- Key generation ----------------------------------------------------/
b2687a0a	572
d7ab1bab	573	typedef struct pfilt_pyobj {
	574	PyObject_HEAD
	575	pfilt f;
	576	int st;
	577	} pfilt_pyobj;
	578
	579	extern PyTypeObject *pfilt_pytype;
	580	#define PFILT_PYCHECK(o) PyObject_TypeCheck(o, pfilt_pytype)
	581	#define PFILT_F(o) (&((pfilt_pyobj *)(o))->f)
	582	#define PFILT_ST(o) (((pfilt_pyobj *)(o))->st)
	583
	584	typedef struct { pgen_proc proc; void ctx; } pgev;
	585	#define PGEV_HEAD PyObject_HEAD pgev pg;
	586
	587	typedef struct pgev_pyobj {
	588	PGEV_HEAD
	589	} pgev_pyobj;
	590
	591	extern PyTypeObject *pgev_pytype;
	592	#define PGEV_PYCHECK(o) PyObject_TypeCheck(o, pgev_pytype)
	593	#define PGEV_PG(o) (&((pgev_pyobj *)(o))->pg)
	594
	595	extern int convpgev(PyObject , void );
	596	extern void droppgev(pgev *);
	597	extern void pgenerr(void);
	598
d7ab1bab	599	/----- That's all, folks -------------------------------------------------/
	600
	601	#ifdef __cplusplus
	602	}
	603	#endif
	604
	605	#endif