3 * Symmetric cryptography
5 * (c) 2004 Straylight/Edgeware
8 /*----- Licensing notice --------------------------------------------------*
10 * This file is part of the Python interface to Catacomb.
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.
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.
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.
27 /*----- Header files ------------------------------------------------------*/
29 #include "catacomb-python.h"
31 #include "algorithms.h"
34 /*----- Key sizes ---------------------------------------------------------*/
36 static PyTypeObject
*keysz_pytype
;
37 static PyTypeObject
*keyszany_pytype
, *keyszrange_pytype
, *keyszset_pytype
;
39 typedef struct keysz_pyobj
{
44 typedef struct keyszrange_pyobj
{
50 typedef struct keyszset_pyobj
{
56 #define KEYSZ_PYCHECK(o) PyObject_TypeCheck((o), keysz_pytype)
59 # define KSZ_OPMASK 0x1f
63 # define KSZ_16BIT 0x20
66 PyObject
*keysz_pywrap(const octet
*k
)
69 #define ARG(i) (op&KSZ_16BIT ? LOAD16(k + 2*(i)) : k[i])
70 switch (op
&KSZ_OPMASK
) {
72 keysz_pyobj
*o
= PyObject_New(keysz_pyobj
, keyszany_pytype
);
74 return ((PyObject
*)o
);
78 PyObject_New(keyszrange_pyobj
, keyszrange_pytype
);
83 if (!o
->mod
) o
->mod
= 1;
84 return ((PyObject
*)o
);
88 PyObject_New(keyszset_pyobj
, keyszset_pytype
);
92 for (i
= 0; ARG(i
); i
++) ;
93 n
= i
; l
= PyList_New(n
);
94 for (i
= 0; i
< n
; i
++) PyList_SET_ITEM(l
, i
, PyInt_FromLong(ARG(i
)));
95 o
->set
= PyFrozenSet_New(l
); Py_DECREF(l
);
96 return ((PyObject
*)o
);
104 static PyObject
*keyszany_pynew(PyTypeObject
*ty
,
105 PyObject
*arg
, PyObject
*kw
)
107 static const char *const kwlist
[] = { "default", 0 };
111 if (!PyArg_ParseTupleAndKeywords(arg
, kw
, "i:new", KWLIST
, &dfl
))
113 if (dfl
< 0) VALERR("key size cannot be negative");
114 o
= (keysz_pyobj
*)ty
->tp_alloc(ty
, 0);
116 return ((PyObject
*)o
);
121 static PyObject
*keyszrange_pynew(PyTypeObject
*ty
,
122 PyObject
*arg
, PyObject
*kw
)
124 static const char *const kwlist
[] = { "default", "min", "max", "mod", 0 };
125 int dfl
, min
= 0, max
, mod
= 1;
126 PyObject
*maxobj
= Py_None
;
129 if (!PyArg_ParseTupleAndKeywords(arg
, kw
, "i|iOi:new", KWLIST
,
130 &dfl
, &min
, &maxobj
, &mod
))
132 if (maxobj
== Py_None
)
135 max
= PyInt_AsLong(maxobj
);
136 if (max
== -1 && PyErr_Occurred()) goto end
;
138 if (dfl
< 0 || min
< 0 || max
< 0) VALERR("key size cannot be negative");
139 if (min
> dfl
|| (max
&& dfl
> max
)) VALERR("bad key size bounds");
140 if (mod
<= 0 || dfl
%mod
|| min
%mod
|| max
%mod
)
141 VALERR("bad key size modulus");
142 o
= (keyszrange_pyobj
*)ty
->tp_alloc(ty
, 0);
147 return ((PyObject
*)o
);
152 static PyObject
*keyszset_pynew(PyTypeObject
*ty
,
153 PyObject
*arg
, PyObject
*kw
)
155 static const char *const kwlist
[] = { "default", "set", 0 };
158 PyObject
*x
= 0, *l
= 0, *i
= 0;
159 keyszset_pyobj
*o
= 0;
161 if (!PyArg_ParseTupleAndKeywords(arg
, kw
, "i|O:new", KWLIST
, &dfl
, &set
))
163 if (set
) i
= PyObject_GetIter(set
);
164 else { set
= PyTuple_New(0); i
= PyObject_GetIter(set
); Py_DECREF(set
); }
166 l
= PyList_New(0); if (!l
) goto end
;
167 if (dfl
< 0) VALERR("key size cannot be negative");
168 x
= PyInt_FromLong(dfl
); PyList_Append(l
, x
); Py_DECREF(x
); x
= 0;
170 x
= PyIter_Next(i
); if (!x
) break;
171 xx
= PyInt_AsLong(x
); if (xx
== -1 && PyErr_Occurred()) goto end
;
172 if (xx
< 0) VALERR("key size cannot be negative");
173 PyList_Append(l
, x
); Py_DECREF(x
); x
= 0;
175 if ((set
= PyFrozenSet_New(l
)) == 0) goto end
;
176 o
= (keyszset_pyobj
*)ty
->tp_alloc(ty
, 0);
182 return ((PyObject
*)o
);
185 static PyObject
*kaget_min(PyObject
*me
, void *hunoz
)
186 { return (PyInt_FromLong(0)); }
187 static PyObject
*kaget_max(PyObject
*me
, void *hunoz
)
190 static PyObject
*krget_max(PyObject
*me
, void *hunoz
)
192 int max
= ((keyszrange_pyobj
*)me
)->max
;
193 if (max
) return (PyInt_FromLong(max
));
197 static PyObject
*ksget_min(PyObject
*me
, void *hunoz
)
199 PyObject
*i
= PyObject_GetIter(((keyszset_pyobj
*)me
)->set
);
203 v
= PyIter_Next(i
); if (!v
) break;
204 y
= PyInt_AsLong(v
); assert(y
>= 0);
205 if (x
== -1 || y
< x
) x
= y
;
207 Py_DECREF(i
); Py_XDECREF(v
);
208 if (PyErr_Occurred()) return (0);
209 return (PyInt_FromLong(x
));
212 static PyObject
*ksget_max(PyObject
*me
, void *hunoz
)
214 PyObject
*i
= PyObject_GetIter(((keyszset_pyobj
*)me
)->set
);
218 v
= PyIter_Next(i
); if (!v
) break;
219 y
= PyInt_AsLong(v
); assert(y
>= 0);
222 Py_DECREF(i
); Py_XDECREF(v
);
223 if (PyErr_Occurred()) return (0);
224 return (PyInt_FromLong(x
));
227 static const PyMemberDef keysz_pymembers
[] = {
228 #define MEMBERSTRUCT keysz_pyobj
229 MEMRNM(default, T_INT
, dfl
, READONLY
, "KSZ.default -> default key size")
234 #define KSZCONVOP(op) \
235 static PyObject *kszmeth_##op(PyObject *me, PyObject *arg) \
238 if (!PyArg_ParseTuple(arg, "d:" #op, &x)) return (0); \
240 return (PyFloat_FromDouble(y)); \
243 KSZCONVOP(fromschnorr
)
252 static const PyMethodDef keysz_pymethods
[] = {
253 #define METHNAME(name) kszmeth_##name
254 SMTH (fromdl
, "fromdl(N) -> M: "
255 "convert integer discrete log field size to work factor")
256 SMTH (fromschnorr
, "fromschnorr(N) -> M: "
257 "convert Schnorr group order to work factor")
258 SMTH (fromif
, "fromif(N) -> M: "
259 "convert integer factorization problem size to work factor")
260 SMTH (fromec
, "fromec(N) -> M: "
261 "convert elliptic curve group order to work factor")
262 SMTH (todl
, "todl(N) -> M: "
263 "convert work factor to integer discrete log field size")
264 SMTH (toschnorr
, "toschnorr(N) -> M: "
265 "convert work factor to Schnorr group order")
266 SMTH (toif
, "toif(N) -> M: "
267 "convert work factor to integer factorization problem size")
268 SMTH (toec
, "toec(N) -> M: "
269 "convert work factor to elliptic curve group order")
270 SMTH (toec
, "toec(N) -> M: "
271 "convert work factor to elliptic curve group order")
276 static const PyGetSetDef keyszany_pygetset
[] = {
277 #define GETSETNAME(op, name) ka##op##_##name
278 GET (min
, "KSZ.min -> smallest allowed key size")
279 GET (max
, "KSZ.max -> largest allowed key size")
284 static const PyMemberDef keyszrange_pymembers
[] = {
285 #define MEMBERSTRUCT keyszrange_pyobj
286 MEMBER(min
, T_INT
, READONLY
, "KSZ.min -> smallest allowed key size")
287 MEMBER(mod
, T_INT
, READONLY
,
288 "KSZ.mod -> key size must be a multiple of this")
293 static const PyGetSetDef keyszrange_pygetset
[] = {
294 #define GETSETNAME(op, name) kr##op##_##name
295 GET (max
, "KSZ.max -> largest allowed key size")
300 static const PyGetSetDef keyszset_pygetset
[] = {
301 #define GETSETNAME(op, name) ks##op##_##name
302 GET (min
, "KSZ.min -> smallest allowed key size")
303 GET (max
, "KSZ.max -> largest allowed key size")
308 static const PyMemberDef keyszset_pymembers
[] = {
309 #define MEMBERSTRUCT keyszset_pyobj
310 MEMBER(set
, T_OBJECT
, READONLY
, "KSZ.set -> allowed key sizes")
315 static const PyTypeObject keysz_pytype_skel
= {
316 PyVarObject_HEAD_INIT(0, 0) /* Header */
317 "KeySZ", /* @tp_name@ */
318 sizeof(keysz_pyobj
), /* @tp_basicsize@ */
319 0, /* @tp_itemsize@ */
321 0, /* @tp_dealloc@ */
323 0, /* @tp_getattr@ */
324 0, /* @tp_setattr@ */
325 0, /* @tp_compare@ */
327 0, /* @tp_as_number@ */
328 0, /* @tp_as_sequence@ */
329 0, /* @tp_as_mapping@ */
333 0, /* @tp_getattro@ */
334 0, /* @tp_setattro@ */
335 0, /* @tp_as_buffer@ */
336 Py_TPFLAGS_DEFAULT
| /* @tp_flags@ */
340 "Key size constraints. Abstract.",
342 0, /* @tp_traverse@ */
344 0, /* @tp_richcompare@ */
345 0, /* @tp_weaklistoffset@ */
347 0, /* @tp_iternext@ */
348 PYMETHODS(keysz
), /* @tp_methods@ */
349 PYMEMBERS(keysz
), /* @tp_members@ */
353 0, /* @tp_descr_get@ */
354 0, /* @tp_descr_set@ */
355 0, /* @tp_dictoffset@ */
357 PyType_GenericAlloc
, /* @tp_alloc@ */
358 abstract_pynew
, /* @tp_new@ */
363 static const PyTypeObject keyszany_pytype_skel
= {
364 PyVarObject_HEAD_INIT(0, 0) /* Header */
365 "KeySZAny", /* @tp_name@ */
366 sizeof(keysz_pyobj
), /* @tp_basicsize@ */
367 0, /* @tp_itemsize@ */
369 0, /* @tp_dealloc@ */
371 0, /* @tp_getattr@ */
372 0, /* @tp_setattr@ */
373 0, /* @tp_compare@ */
375 0, /* @tp_as_number@ */
376 0, /* @tp_as_sequence@ */
377 0, /* @tp_as_mapping@ */
381 0, /* @tp_getattro@ */
382 0, /* @tp_setattro@ */
383 0, /* @tp_as_buffer@ */
384 Py_TPFLAGS_DEFAULT
| /* @tp_flags@ */
388 "KeySZAny(DEFAULT)\n"
389 " Key size constraints. This object imposes no constraints on size.",
391 0, /* @tp_traverse@ */
393 0, /* @tp_richcompare@ */
394 0, /* @tp_weaklistoffset@ */
396 0, /* @tp_iternext@ */
397 0, /* @tp_methods@ */
398 0, /* @tp_members@ */
399 PYGETSET(keyszany
), /* @tp_getset@ */
402 0, /* @tp_descr_get@ */
403 0, /* @tp_descr_set@ */
404 0, /* @tp_dictoffset@ */
406 PyType_GenericAlloc
, /* @tp_alloc@ */
407 keyszany_pynew
, /* @tp_new@ */
412 static const PyTypeObject keyszrange_pytype_skel
= {
413 PyVarObject_HEAD_INIT(0, 0) /* Header */
414 "KeySZRange", /* @tp_name@ */
415 sizeof(keyszrange_pyobj
), /* @tp_basicsize@ */
416 0, /* @tp_itemsize@ */
418 0, /* @tp_dealloc@ */
420 0, /* @tp_getattr@ */
421 0, /* @tp_setattr@ */
422 0, /* @tp_compare@ */
424 0, /* @tp_as_number@ */
425 0, /* @tp_as_sequence@ */
426 0, /* @tp_as_mapping@ */
430 0, /* @tp_getattro@ */
431 0, /* @tp_setattro@ */
432 0, /* @tp_as_buffer@ */
433 Py_TPFLAGS_DEFAULT
| /* @tp_flags@ */
437 "KeySZRange(DEFAULT, [min = 0], [max = 0], [mod = 1])\n"
438 " Key size constraints: size must be between MIN and MAX inclusive, and\n"
439 " be a multiple of MOD.",
441 0, /* @tp_traverse@ */
443 0, /* @tp_richcompare@ */
444 0, /* @tp_weaklistoffset@ */
446 0, /* @tp_iternext@ */
447 0, /* @tp_methods@ */
448 PYMEMBERS(keyszrange
), /* @tp_members@ */
449 PYGETSET(keyszrange
), /* @tp_getset@ */
452 0, /* @tp_descr_get@ */
453 0, /* @tp_descr_set@ */
454 0, /* @tp_dictoffset@ */
456 PyType_GenericAlloc
, /* @tp_alloc@ */
457 keyszrange_pynew
, /* @tp_new@ */
462 static const PyTypeObject keyszset_pytype_skel
= {
463 PyVarObject_HEAD_INIT(0, 0) /* Header */
464 "KeySZSet", /* @tp_name@ */
465 sizeof(keyszset_pyobj
), /* @tp_basicsize@ */
466 0, /* @tp_itemsize@ */
468 0, /* @tp_dealloc@ */
470 0, /* @tp_getattr@ */
471 0, /* @tp_setattr@ */
472 0, /* @tp_compare@ */
474 0, /* @tp_as_number@ */
475 0, /* @tp_as_sequence@ */
476 0, /* @tp_as_mapping@ */
480 0, /* @tp_getattro@ */
481 0, /* @tp_setattro@ */
482 0, /* @tp_as_buffer@ */
483 Py_TPFLAGS_DEFAULT
| /* @tp_flags@ */
487 "KeySZSet(DEFAULT, ITER)\n"
488 " Key size constraints: size must be DEFAULT or an element of ITER.",
490 0, /* @tp_traverse@ */
492 0, /* @tp_richcompare@ */
493 0, /* @tp_weaklistoffset@ */
495 0, /* @tp_iternext@ */
496 0, /* @tp_methods@ */
497 PYMEMBERS(keyszset
), /* @tp_members@ */
498 PYGETSET(keyszset
), /* @tp_getset@ */
501 0, /* @tp_descr_get@ */
502 0, /* @tp_descr_set@ */
503 0, /* @tp_dictoffset@ */
505 PyType_GenericAlloc
, /* @tp_alloc@ */
506 keyszset_pynew
, /* @tp_new@ */
511 /*----- Symmetric encryption ----------------------------------------------*/
513 static PyTypeObject
*gccipher_pytype
, *gcipher_pytype
;
515 typedef struct gccipher_pyobj
{
520 #define GCCIPHER_PYCHECK(o) PyObject_TypeCheck((o), gccipher_pytype)
521 #define GCCIPHER_CC(o) (((gccipher_pyobj *)(o))->cc)
523 typedef struct gcipher_pyobj
{
528 #define GCIPHER_PYCHECK(o) PyObject_TypeCheck((o), gcipher_pytype)
529 #define GCIPHER_C(o) (((gcipher_pyobj *)(o))->c)
531 CONVFUNC(gccipher
, gccipher
*, GCCIPHER_CC
)
533 static PyObject
*gcipher_pywrap(PyObject
*cobj
, gcipher
*c
)
536 if (!cobj
) cobj
= gccipher_pywrap((/*unconst*/ gccipher
*)GC_CLASS(c
));
537 else Py_INCREF(cobj
);
538 g
= PyObject_NEW(gcipher_pyobj
, (PyTypeObject
*)cobj
);
540 return ((PyObject
*)g
);
543 static PyObject
*gcipher_pynew(PyTypeObject
*ty
, PyObject
*arg
, PyObject
*kw
)
545 static const char *const kwlist
[] = { "k", 0 };
548 if (!PyArg_ParseTupleAndKeywords(arg
, kw
, "O&:new", KWLIST
, convbin
, &k
))
550 if (keysz(k
.sz
, GCCIPHER_CC(ty
)->keysz
) != k
.sz
) VALERR("bad key length");
551 return (gcipher_pywrap((PyObject
*)ty
,
552 GC_INIT(GCCIPHER_CC(ty
), k
.p
, k
.sz
)));
557 PyObject
*gccipher_pywrap(gccipher
*cc
)
559 gccipher_pyobj
*g
= newtype(gccipher_pytype
, 0, cc
->name
);
561 g
->ty
.ht_type
.tp_basicsize
= sizeof(gcipher_pyobj
);
562 g
->ty
.ht_type
.tp_base
= gcipher_pytype
;
563 Py_INCREF(gcipher_pytype
);
564 g
->ty
.ht_type
.tp_flags
= (Py_TPFLAGS_DEFAULT
|
565 Py_TPFLAGS_BASETYPE
|
566 Py_TPFLAGS_HEAPTYPE
);
567 g
->ty
.ht_type
.tp_alloc
= PyType_GenericAlloc
;
568 g
->ty
.ht_type
.tp_free
= 0;
569 g
->ty
.ht_type
.tp_new
= gcipher_pynew
;
570 typeready(&g
->ty
.ht_type
);
571 return ((PyObject
*)g
);
574 static void gcipher_pydealloc(PyObject
*me
)
576 GC_DESTROY(GCIPHER_C(me
));
577 Py_DECREF(Py_TYPE(me
));
581 static PyObject
*gccget_name(PyObject
*me
, void *hunoz
)
582 { return (TEXT_FROMSTR(GCCIPHER_CC(me
)->name
)); }
584 static PyObject
*gccget_keysz(PyObject
*me
, void *hunoz
)
585 { return (keysz_pywrap(GCCIPHER_CC(me
)->keysz
)); }
587 static PyObject
*gccget_blksz(PyObject
*me
, void *hunoz
)
588 { return (PyInt_FromLong(GCCIPHER_CC(me
)->blksz
)); }
590 static PyObject
*gcmeth_encrypt(PyObject
*me
, PyObject
*arg
)
595 if (!PyArg_ParseTuple(arg
, "O&:encrypt", convbin
, &m
)) return (0);
596 rc
= bytestring_pywrap(0, m
.sz
);
597 GC_ENCRYPT(GCIPHER_C(me
), m
.p
, BIN_PTR(rc
), m
.sz
);
601 static PyObject
*gcmeth_enczero(PyObject
*me
, PyObject
*arg
)
607 if (!PyArg_ParseTuple(arg
, "i:enczero", &sz
)) return (0);
608 rc
= bytestring_pywrap(0, sz
);
611 GC_ENCRYPT(GCIPHER_C(me
), p
, p
, sz
);
615 static PyObject
*gcmeth_decrypt(PyObject
*me
, PyObject
*arg
)
620 if (!PyArg_ParseTuple(arg
, "O&:decrypt", convbin
, &c
)) return (0);
621 rc
= bytestring_pywrap(0, c
.sz
);
622 GC_DECRYPT(GCIPHER_C(me
), c
.p
, BIN_PTR(rc
), c
.sz
);
626 static PyObject
*gcmeth_deczero(PyObject
*me
, PyObject
*arg
)
632 if (!PyArg_ParseTuple(arg
, "i:deczero", &sz
)) return (0);
633 rc
= bytestring_pywrap(0, sz
);
636 GC_DECRYPT(GCIPHER_C(me
), p
, p
, sz
);
640 static PyObject
*gcmeth_setiv(PyObject
*me
, PyObject
*arg
)
644 if (!PyArg_ParseTuple(arg
, "O&:setiv", convbin
, &iv
)) goto end
;
645 if (!GCIPHER_C(me
)->ops
->setiv
) VALERR("`setiv' not supported");
646 if (!GC_CLASS(GCIPHER_C(me
))->blksz
) VALERR("not a block cipher mode");
647 if (iv
.sz
!= GC_CLASS(GCIPHER_C(me
))->blksz
) VALERR("bad IV length");
648 GC_SETIV(GCIPHER_C(me
), iv
.p
);
654 static PyObject
*gcmeth_bdry(PyObject
*me
)
656 if (!GCIPHER_C(me
)->ops
->bdry
) VALERR("`bdry' not supported");
657 if (!GC_CLASS(GCIPHER_C(me
))->blksz
) VALERR("not a block cipher mode");
658 GC_BDRY(GCIPHER_C(me
));
664 static const PyGetSetDef gccipher_pygetset
[] = {
665 #define GETSETNAME(op, name) gcc##op##_##name
666 GET (keysz
, "CC.keysz -> acceptable key sizes")
667 GET (blksz
, "CC.blksz -> block size, or zero")
668 GET (name
, "CC.name -> name of this kind of cipher")
673 static const PyMethodDef gcipher_pymethods
[] = {
674 #define METHNAME(name) gcmeth_##name
675 METH (encrypt
, "C.encrypt(PT) -> CT")
676 METH (enczero
, "C.enczero(N) -> CT")
677 METH (decrypt
, "C.decrypt(CT) -> PT")
678 METH (deczero
, "C.deczero(N) -> PT")
679 METH (setiv
, "C.setiv(IV)")
680 NAMETH(bdry
, "C.bdry()")
685 static const PyTypeObject gccipher_pytype_skel
= {
686 PyVarObject_HEAD_INIT(0, 0) /* Header */
687 "GCCipher", /* @tp_name@ */
688 sizeof(gccipher_pyobj
), /* @tp_basicsize@ */
689 0, /* @tp_itemsize@ */
691 0, /* @tp_dealloc@ */
693 0, /* @tp_getattr@ */
694 0, /* @tp_setattr@ */
695 0, /* @tp_compare@ */
697 0, /* @tp_as_number@ */
698 0, /* @tp_as_sequence@ */
699 0, /* @tp_as_mapping@ */
703 0, /* @tp_getattro@ */
704 0, /* @tp_setattro@ */
705 0, /* @tp_as_buffer@ */
706 Py_TPFLAGS_DEFAULT
| /* @tp_flags@ */
710 "Symmetric cipher metaclass.",
712 0, /* @tp_traverse@ */
714 0, /* @tp_richcompare@ */
715 0, /* @tp_weaklistoffset@ */
717 0, /* @tp_iternext@ */
718 0, /* @tp_methods@ */
719 0, /* @tp_members@ */
720 PYGETSET(gccipher
), /* @tp_getset@ */
723 0, /* @tp_descr_get@ */
724 0, /* @tp_descr_set@ */
725 0, /* @tp_dictoffset@ */
727 PyType_GenericAlloc
, /* @tp_alloc@ */
728 abstract_pynew
, /* @tp_new@ */
733 static const PyTypeObject gcipher_pytype_skel
= {
734 PyVarObject_HEAD_INIT(0, 0) /* Header */
735 "GCipher", /* @tp_name@ */
736 sizeof(gcipher_pyobj
), /* @tp_basicsize@ */
737 0, /* @tp_itemsize@ */
739 gcipher_pydealloc
, /* @tp_dealloc@ */
741 0, /* @tp_getattr@ */
742 0, /* @tp_setattr@ */
743 0, /* @tp_compare@ */
745 0, /* @tp_as_number@ */
746 0, /* @tp_as_sequence@ */
747 0, /* @tp_as_mapping@ */
751 0, /* @tp_getattro@ */
752 0, /* @tp_setattro@ */
753 0, /* @tp_as_buffer@ */
754 Py_TPFLAGS_DEFAULT
| /* @tp_flags@ */
758 "Symmetric cipher, abstract base class.",
760 0, /* @tp_traverse@ */
762 0, /* @tp_richcompare@ */
763 0, /* @tp_weaklistoffset@ */
765 0, /* @tp_iternext@ */
766 PYMETHODS(gcipher
), /* @tp_methods@ */
767 0, /* @tp_members@ */
771 0, /* @tp_descr_get@ */
772 0, /* @tp_descr_set@ */
773 0, /* @tp_dictoffset@ */
775 PyType_GenericAlloc
, /* @tp_alloc@ */
776 abstract_pynew
, /* @tp_new@ */
781 /*----- Authenticated encryption ------------------------------------------*/
783 static PyTypeObject
*gcaead_pytype
, *gaeadkey_pytype
;
784 static PyTypeObject
*gcaeadaad_pytype
, *gaeadaad_pytype
;
785 static PyTypeObject
*gcaeadenc_pytype
, *gaeadenc_pytype
;
786 static PyTypeObject
*gcaeaddec_pytype
, *gaeaddec_pytype
;
788 typedef struct gcaead_pyobj
{
791 struct gcaeadaad_pyobj
*aad
;
792 struct gcaeadenc_pyobj
*enc
;
793 struct gcaeaddec_pyobj
*dec
;
796 #define GCAEAD_PYCHECK(o) PyObject_TypeCheck((o), gcaead_pytype)
797 #define GCAEAD_AEC(o) (((gcaead_pyobj *)(o))->aec)
798 #define GCAEAD_AAD(o) (((gcaead_pyobj *)(o))->aad)
799 #define GCAEAD_ENC(o) (((gcaead_pyobj *)(o))->enc)
800 #define GCAEAD_DEC(o) (((gcaead_pyobj *)(o))->dec)
801 static PyObject
*gcaead_pywrap(gcaead
*);
803 typedef struct gaeadkey_pyobj
{
808 #define GAEADKEY_PYCHECK(o) PyObject_TypeCheck((o), gaeadkey_pytype)
809 #define GAEADKEY_K(o) (((gaeadkey_pyobj *)(o))->k)
811 typedef struct gcaeadaad_pyobj
{
816 #define GCAEADAAD_KEY(o) (((gcaeadaad_pyobj *)(o))->key)
817 static PyObject
*gaeadaad_pywrap(PyObject
*, gaead_aad
*, unsigned, size_t);
819 typedef struct gaeadaad_pyobj
{
823 #define AEADF_DEAD 32768u
827 #define GAEADAAD_PYCHECK(o) PyObject_TypeCheck((o), gaeadaad_pytype)
828 #define GAEADAAD_A(o) (((gaeadaad_pyobj *)(o))->a)
829 #define GAEADAAD_F(o) (((gaeadaad_pyobj *)(o))->f)
830 #define GAEADAAD_HSZ(o) (((gaeadaad_pyobj *)(o))->hsz)
831 #define GAEADAAD_HLEN(o) (((gaeadaad_pyobj *)(o))->hlen)
833 typedef struct gcaeadenc_pyobj
{
838 #define GCAEADENC_KEY(o) (((gcaeadenc_pyobj *)(o))->key)
839 static PyObject
*gaeadenc_pywrap(PyObject
*, gaead_enc
*, unsigned,
840 size_t, size_t, size_t);
842 typedef struct gaeadenc_pyobj
{
847 size_t hsz
, msz
, tsz
;
851 #define GAEADENC_PYCHECK(o) PyObject_TypeCheck((o), gaeadenc_pytype)
852 #define GAEADENC_AAD(o) (((gaeadenc_pyobj *)(o))->aad)
853 #define GAEADENC_E(o) (((gaeadenc_pyobj *)(o))->e)
854 #define GAEADENC_F(o) (((gaeadenc_pyobj *)(o))->f)
855 #define GAEADENC_HSZ(o) (((gaeadenc_pyobj *)(o))->hsz)
856 #define GAEADENC_MSZ(o) (((gaeadenc_pyobj *)(o))->msz)
857 #define GAEADENC_TSZ(o) (((gaeadenc_pyobj *)(o))->tsz)
858 #define GAEADENC_MLEN(o) (((gaeadenc_pyobj *)(o))->mlen)
860 typedef struct gcaeaddec_pyobj
{
865 #define GCAEADDEC_KEY(o) (((gcaeaddec_pyobj *)(o))->key)
866 static PyObject
*gaeaddec_pywrap(PyObject
*, gaead_dec
*, unsigned,
867 size_t, size_t, size_t);
869 typedef struct gaeaddec_pyobj
{
874 size_t hsz
, csz
, tsz
;
878 #define GAEADDEC_PYCHECK(o) PyObject_TypeCheck((o), gaeaddec_pytype)
879 #define GAEADDEC_AAD(o) (((gaeaddec_pyobj *)(o))->aad)
880 #define GAEADDEC_D(o) (((gaeaddec_pyobj *)(o))->d)
881 #define GAEADDEC_F(o) (((gaeaddec_pyobj *)(o))->f)
882 #define GAEADDEC_HSZ(o) (((gaeaddec_pyobj *)(o))->hsz)
883 #define GAEADDEC_CSZ(o) (((gaeaddec_pyobj *)(o))->csz)
884 #define GAEADDEC_TSZ(o) (((gaeaddec_pyobj *)(o))->tsz)
885 #define GAEADDEC_CLEN(o) (((gaeaddec_pyobj *)(o))->clen)
887 static PyObject
*gaeadkey_pywrap(PyObject
*cobj
, gaead_key
*k
)
891 if (!cobj
) cobj
= gcaead_pywrap((/*unconst*/ gcaead
*)GAEAD_CLASS(k
));
892 else Py_INCREF(cobj
);
893 gk
= PyObject_NEW(gaeadkey_pyobj
, (PyTypeObject
*)cobj
);
895 return ((PyObject
*)gk
);
898 static PyObject
*gaeadkey_pynew(PyTypeObject
*ty
,
899 PyObject
*arg
, PyObject
*kw
)
901 static const char *const kwlist
[] = { "k", 0 };
904 if (!PyArg_ParseTupleAndKeywords(arg
, kw
, "O&:new", KWLIST
, convbin
, &k
))
906 if (keysz(k
.sz
, GCAEAD_AEC(ty
)->keysz
) != k
.sz
) VALERR("bad key length");
907 return (gaeadkey_pywrap((PyObject
*)ty
,
908 GAEAD_KEY(GCAEAD_AEC(ty
), k
.p
, k
.sz
)));
913 static PyObject
*gcaead_pywrap(gcaead
*aec
)
916 gcaeadaad_pyobj
*gca
;
917 gcaeadenc_pyobj
*gce
;
918 gcaeaddec_pyobj
*gcd
;
920 #define MKTYPE(obj, thing, newfn, namefmt) do { \
921 (obj) = newtype(gcaead_pytype, 0, 0); \
922 (obj)->ty.ht_name = TEXT_FORMAT(namefmt, aec->name); \
923 (obj)->ty.ht_type.tp_name = TEXT_PTR((obj)->ty.ht_name); \
924 (obj)->ty.ht_type.tp_basicsize = sizeof(gaead##thing##_pyobj); \
925 (obj)->ty.ht_type.tp_base = gaead##thing##_pytype; \
926 Py_INCREF(gaead##thing##_pytype); \
927 (obj)->ty.ht_type.tp_flags = \
928 (Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE | Py_TPFLAGS_HEAPTYPE); \
929 (obj)->ty.ht_type.tp_alloc = PyType_GenericAlloc; \
930 (obj)->ty.ht_type.tp_free = 0; \
931 (obj)->ty.ht_type.tp_new = newfn; \
932 typeready(&(obj)->ty.ht_type); \
935 MKTYPE(gck
, key
, gaeadkey_pynew
, "%s(key)");
936 MKTYPE(gca
, aad
, abstract_pynew
, "%s(aad-hash)");
937 MKTYPE(gce
, enc
, abstract_pynew
, "%s(encrypt)");
938 MKTYPE(gcd
, dec
, abstract_pynew
, "%s(decrypt)");
942 gck
->aec
= aec
; gck
->aad
= gca
; gck
->enc
= gce
; gck
->dec
= gcd
;
943 gca
->key
= gce
->key
= gcd
->key
= gck
;
944 return ((PyObject
*)gck
);
947 static void gaeadkey_pydealloc(PyObject
*me
)
948 { GAEAD_DESTROY(GAEADKEY_K(me
)); Py_DECREF(Py_TYPE(me
)); FREEOBJ(me
); }
950 static PyObject
*gcaeget_name(PyObject
*me
, void *hunoz
)
951 { return (TEXT_FROMSTR(GCAEAD_AEC(me
)->name
)); }
953 static PyObject
*gcaeget_keysz(PyObject
*me
, void *hunoz
)
954 { return (keysz_pywrap(GCAEAD_AEC(me
)->keysz
)); }
956 static PyObject
*gcaeget_noncesz(PyObject
*me
, void *hunoz
)
957 { return (keysz_pywrap(GCAEAD_AEC(me
)->noncesz
)); }
959 static PyObject
*gcaeget_tagsz(PyObject
*me
, void *hunoz
)
960 { return (keysz_pywrap(GCAEAD_AEC(me
)->tagsz
)); }
962 static PyObject
*gcaeget_blksz(PyObject
*me
, void *hunoz
)
963 { return (PyInt_FromLong(GCAEAD_AEC(me
)->blksz
)); }
965 static PyObject
*gcaeget_bufsz(PyObject
*me
, void *hunoz
)
966 { return (PyInt_FromLong(GCAEAD_AEC(me
)->bufsz
)); }
968 static PyObject
*gcaeget_ohd(PyObject
*me
, void *hunoz
)
969 { return (PyInt_FromLong(GCAEAD_AEC(me
)->ohd
)); }
971 static PyObject
*gcaeget_flags(PyObject
*me
, void *hunoz
)
972 { return (PyInt_FromLong(GCAEAD_AEC(me
)->f
)); }
974 static const PyGetSetDef gcaead_pygetset
[] = {
975 #define GETSETNAME(op, name) gcae##op##_##name
976 GET (keysz
, "AEC.keysz -> acceptable key sizes")
977 GET (noncesz
, "AEC.noncesz -> acceptable nonce sizes")
978 GET (tagsz
, "AEC.tagsz -> acceptable tag sizes")
979 GET (blksz
, "AEC.blksz -> block size, or zero")
980 GET (bufsz
, "AEC.bufsz -> amount of data buffered internally")
981 GET (ohd
, "AEC.ohd -> maximum encryption overhead")
982 GET (name
, "AEC.name -> name of this kind of AEAD scheme")
983 GET (flags
, "AEC.flags -> mask of `AEADF_...' flags")
988 static PyObject
*gaekmeth_aad(PyObject
*me
)
990 const gaead_key
*k
= GAEADKEY_K(me
);
993 if (k
->ops
->c
->f
&AEADF_AADNDEP
)
994 VALERR("aad must be associated with enc/dec op");
995 rc
= gaeadaad_pywrap((PyObject
*)GCAEAD_AAD(Py_TYPE(me
)),
1001 static int check_aead_encdec(const gcaead
*aec
, unsigned *f_out
, size_t nsz
,
1002 PyObject
*hszobj
, size_t *hsz_out
,
1003 PyObject
*mszobj
, size_t *msz_out
,
1004 PyObject
*tszobj
, size_t *tsz_out
)
1006 unsigned f
= 0, miss
;
1009 if (hszobj
!= Py_None
)
1010 { f
|= AEADF_PCHSZ
; if (!convszt(hszobj
, hsz_out
)) goto end
; }
1011 if (mszobj
!= Py_None
)
1012 { f
|= AEADF_PCMSZ
; if (!convszt(mszobj
, msz_out
)) goto end
; }
1013 if (tszobj
!= Py_None
)
1014 { f
|= AEADF_PCTSZ
; if (!convszt(tszobj
, tsz_out
)) goto end
; }
1016 if (miss
&AEADF_PCHSZ
) VALERR("header length precommitment required");
1017 if (miss
&AEADF_PCMSZ
) VALERR("message length precommitment required");
1018 if (miss
&AEADF_PCTSZ
) VALERR("tag length precommitment required");
1019 if (keysz(nsz
, aec
->noncesz
) != nsz
) VALERR("bad nonce length");
1020 if (tszobj
!= Py_None
&& keysz(*tsz_out
, aec
->tagsz
) != *tsz_out
)
1021 VALERR("bad tag length");
1022 *f_out
= f
| aec
->f
; rc
= 0;
1027 static PyObject
*gaekmeth_enc(PyObject
*me
, PyObject
*arg
, PyObject
*kw
)
1029 static const char *const kwlist
[] = { "nonce", "hsz", "msz", "tsz", 0 };
1030 const gaead_key
*k
= GAEADKEY_K(me
);
1034 PyObject
*hszobj
= Py_None
, *mszobj
= Py_None
, *tszobj
= Py_None
;
1035 size_t hsz
= 0, msz
= 0, tsz
= 0;
1038 if (!PyArg_ParseTupleAndKeywords(arg
, kw
, "O&|OOO:enc", KWLIST
,
1039 convbin
, &n
, &hszobj
, &mszobj
, &tszobj
))
1041 if (check_aead_encdec(k
->ops
->c
, &f
, n
.sz
,
1042 hszobj
, &hsz
, mszobj
, &msz
, tszobj
, &tsz
))
1044 e
= GAEAD_ENC(GAEADKEY_K(me
), n
.p
, n
.sz
, hsz
, msz
, tsz
);
1045 if (!e
) VALERR("bad aead parameter combination");
1046 rc
= gaeadenc_pywrap((PyObject
*)GCAEAD_ENC(Py_TYPE(me
)),
1047 e
, f
, hsz
, msz
, tsz
);
1052 static PyObject
*gaekmeth_dec(PyObject
*me
, PyObject
*arg
, PyObject
*kw
)
1054 static const char *const kwlist
[] = { "nonce", "hsz", "csz", "tsz", 0 };
1055 const gaead_key
*k
= GAEADKEY_K(me
);
1059 PyObject
*hszobj
= Py_None
, *cszobj
= Py_None
, *tszobj
= Py_None
;
1060 size_t hsz
= 0, csz
= 0, tsz
= 0;
1063 if (!PyArg_ParseTupleAndKeywords(arg
, kw
, "O&|OOO:dec", KWLIST
,
1064 convbin
, &n
, &hszobj
, &cszobj
, &tszobj
))
1066 if (check_aead_encdec(k
->ops
->c
, &f
, n
.sz
,
1067 hszobj
, &hsz
, cszobj
, &csz
, tszobj
, &tsz
))
1069 d
= GAEAD_DEC(GAEADKEY_K(me
), n
.p
, n
.sz
, hsz
, csz
, tsz
);
1070 if (!d
) VALERR("bad aead parameter combination");
1071 rc
= gaeaddec_pywrap((PyObject
*)GCAEAD_DEC(Py_TYPE(me
)),
1072 d
, f
, hsz
, csz
, tsz
);
1077 static const PyMethodDef gaeadkey_pymethods
[] = {
1078 #define METHNAME(name) gaekmeth_##name
1079 NAMETH(aad
, "KEY.aad() -> AAD")
1080 KWMETH(enc
, "KEY.enc(NONCE, [hsz], [msz], [tsz]) -> ENC")
1081 KWMETH(dec
, "KEY.dec(NONCE, [hsz], [csz], [tsz]) -> DEC")
1086 static PyObject
*gaeadaad_pywrap(PyObject
*cobj
, gaead_aad
*a
,
1087 unsigned f
, size_t hsz
)
1091 assert(cobj
); Py_INCREF(cobj
);
1092 ga
= PyObject_NEW(gaeadaad_pyobj
, (PyTypeObject
*)cobj
);
1093 ga
->a
= a
; ga
->f
= f
; ga
->hsz
= hsz
; ga
->hlen
= 0;
1094 return ((PyObject
*)ga
);
1097 static void gaeadaad_pydealloc(PyObject
*me
)
1099 gaeadaad_pyobj
*ga
= (gaeadaad_pyobj
*)me
;
1101 if (ga
->a
) GAEAD_DESTROY(ga
->a
);
1102 Py_DECREF(Py_TYPE(me
)); FREEOBJ(me
);
1105 static int gaea_check(PyObject
*me
)
1107 gaeadaad_pyobj
*ga
= (gaeadaad_pyobj
*)me
;
1110 if ((ga
->f
&AEADF_DEAD
) || !ga
->a
) VALERR("aad object no longer active");
1116 static void gaea_invalidate(gaeadaad_pyobj
*ga
)
1117 { if (ga
) ga
->f
|= AEADF_DEAD
; }
1119 static void gaea_sever(gaeadaad_pyobj
**ga_inout
)
1121 gaeadaad_pyobj
*ga
= *ga_inout
;
1122 if (ga
) { ga
->f
|= AEADF_DEAD
; ga
->a
= 0; Py_DECREF(ga
); *ga_inout
= 0; }
1125 static PyObject
*gaeaget_hsz(PyObject
*me
, void *hunoz
)
1127 if (gaea_check(me
)) return (0);
1128 else if (GAEADAAD_F(me
)&AEADF_PCHSZ
) return getulong(GAEADAAD_HSZ(me
));
1132 static PyObject
*gaeaget_hlen(PyObject
*me
, void *hunoz
)
1133 { return (gaea_check(me
) ?
0 : getulong(GAEADAAD_HLEN(me
))); }
1135 static const PyGetSetDef gaeadaad_pygetset
[] = {
1136 #define GETSETNAME(op, name) gaea##op##_##name
1137 GET (hsz
, "AAD.hsz -> precommitted header length or `None'")
1138 GET (hlen
, "AAD.hlen -> header length so far")
1143 static PyObject
*gaeameth_copy(PyObject
*me
)
1147 if (gaea_check(me
)) goto end
;
1148 if (GAEADAAD_F(me
)&AEADF_AADNDEP
)
1149 VALERR("can't duplicate nonce-dependent aad");
1150 rc
= gaeadaad_pywrap((PyObject
*)Py_TYPE(me
),
1151 GAEAD_DUP(GAEADAAD_A(me
)), 0, 0);
1152 GAEADAAD_HLEN(rc
) = GAEADAAD_HLEN(me
);
1157 static int gaeadaad_hash(PyObject
*me
, const void *h
, size_t hsz
)
1159 gaeadaad_pyobj
*ga
= (gaeadaad_pyobj
*)me
;
1162 if (gaea_check(me
)) goto end
;
1163 if ((ga
->f
&AEADF_NOAAD
) && hsz
)
1164 VALERR("header data not permitted");
1165 if ((ga
->f
&AEADF_PCHSZ
) && hsz
> ga
->hsz
- ga
->hlen
)
1166 VALERR("too large for precommitted header length");
1167 GAEAD_HASH(ga
->a
, h
, hsz
); ga
->hlen
+= hsz
;
1173 static PyObject
*gaeameth_hash(PyObject
*me
, PyObject
*arg
)
1177 if (!PyArg_ParseTuple(arg
, "O&:hash", convbin
, &h
)) return (0);
1178 if (gaeadaad_hash(me
, h
.p
, h
.sz
)) return (0);
1182 #define GAEAMETH_HASHU_(n, W, w) \
1183 static PyObject *gaeameth_hashu##w(PyObject *me, PyObject *arg) \
1185 uint##n x; octet b[SZ_##W]; \
1186 if (!PyArg_ParseTuple(arg, "O&:hashu" #w, convu##n, &x)) return (0); \
1187 STORE##W(b, x); if (gaeadaad_hash(me, b, sizeof(b))) return (0); \
1190 DOUINTCONV(GAEAMETH_HASHU_
)
1192 #define GAEAMETH_HASHBUF_(n, W, w) \
1193 static PyObject *gaeameth_hashbuf##w(PyObject *me, PyObject *arg) \
1195 struct bin in; octet b[SZ_##W]; \
1196 if (!PyArg_ParseTuple(arg, "O&:hashbuf" #w, convbin, &in)) goto end; \
1197 if (in.sz > MASK##n) VALERR("too large"); \
1198 STORE##W(b, in.sz); if (gaeadaad_hash(me, b, sizeof(b))) goto end; \
1199 if (gaeadaad_hash(me, in.p, in.sz)) goto end; \
1204 DOUINTCONV(GAEAMETH_HASHBUF_
)
1206 static PyObject
*gaeameth_hashstrz(PyObject
*me
, PyObject
*arg
)
1209 if (!PyArg_ParseTuple(arg
, "s:hashstrz", &p
)) return (0);
1210 if (gaeadaad_hash(me
, p
, strlen(p
) + 1)) return (0);
1214 static const PyMethodDef gaeadaad_pymethods
[] = {
1215 #define METHNAME(name) gaeameth_##name
1216 NAMETH(copy
, "AAD.copy() -> AAD'")
1217 METH (hash
, "AAD.hash(H)")
1218 #define METHU_(n, W, w) METH(hashu##w, "AAD.hashu" #w "(WORD)")
1221 #define METHBUF_(n, W, w) METH(hashbuf##w, "AAD.hashbuf" #w "(BYTES)")
1222 DOUINTCONV(METHBUF_
)
1224 METH (hashstrz
, "AAD.hashstrz(STRING)")
1229 static PyObject
*gaeadenc_pywrap(PyObject
*cobj
, gaead_enc
*e
, unsigned f
,
1230 size_t hsz
, size_t msz
, size_t tsz
)
1234 assert(cobj
); Py_INCREF(cobj
);
1235 ge
= PyObject_NEW(gaeadenc_pyobj
, (PyTypeObject
*)cobj
);
1236 ge
->e
= e
; ge
->f
= f
; ge
->hsz
= hsz
; ge
->msz
= msz
; ge
->tsz
= tsz
;
1237 ge
->aad
= 0; ge
->mlen
= 0;
1238 return ((PyObject
*)ge
);
1241 static void gaeadenc_pydealloc(PyObject
*me
)
1243 gaeadenc_pyobj
*ge
= (gaeadenc_pyobj
*)me
;
1245 gaea_sever(&ge
->aad
); GAEAD_DESTROY(ge
->e
);
1246 Py_DECREF(Py_TYPE(me
)); FREEOBJ(me
);
1249 static PyObject
*gaeeget_hsz(PyObject
*me
, void *hunoz
)
1251 if (GAEADENC_F(me
)&AEADF_PCHSZ
) return getulong(GAEADENC_HSZ(me
));
1255 static PyObject
*gaeeget_msz(PyObject
*me
, void *hunoz
)
1257 if (GAEADENC_F(me
)&AEADF_PCMSZ
) return getulong(GAEADENC_MSZ(me
));
1261 static PyObject
*gaeeget_tsz(PyObject
*me
, void *hunoz
)
1263 if (GAEADENC_F(me
)&AEADF_PCTSZ
) return getulong(GAEADENC_TSZ(me
));
1267 static PyObject
*gaeeget_mlen(PyObject
*me
, void *hunoz
)
1268 { return getulong(GAEADENC_MLEN(me
)); }
1270 static const PyGetSetDef gaeadenc_pygetset
[] = {
1271 #define GETSETNAME(op, name) gaee##op##_##name
1272 GET (hsz
, "ENC.hsz -> precommitted header length or `None'")
1273 GET (msz
, "ENC.msz -> precommitted message length or `None'")
1274 GET (tsz
, "ENC.tsz -> precommitted tag length or `None'")
1275 GET (mlen
, "ENC.mlen -> message length so far")
1280 static PyObject
*gaeemeth_aad(PyObject
*me
)
1282 gaeadenc_pyobj
*ge
= (gaeadenc_pyobj
*)me
;
1285 if (!(ge
->f
&AEADF_AADNDEP
))
1286 rc
= gaeadaad_pywrap((PyObject
*)GCAEADENC_KEY(Py_TYPE(ge
))->aad
,
1287 GAEAD_AAD(ge
->e
), 0, 0);
1289 if ((ge
->f
&AEADF_AADFIRST
) && ge
->mlen
)
1290 VALERR("too late for aad");
1292 ge
->aad
= (gaeadaad_pyobj
*)
1293 gaeadaad_pywrap((PyObject
*)GCAEADENC_KEY(Py_TYPE(ge
))->aad
,
1294 GAEAD_AAD(ge
->e
), ge
->f
&(AEADF_PCHSZ
| AEADF_NOAAD
),
1297 rc
= (PyObject
*)ge
->aad
;
1303 static PyObject
*gaeemeth_reinit(PyObject
*me
, PyObject
*arg
, PyObject
*kw
)
1305 static const char *const kwlist
[] = { "nonce", "hsz", "msz", "tsz", 0 };
1306 gaeadenc_pyobj
*ge
= (gaeadenc_pyobj
*)me
;
1308 PyObject
*hszobj
= Py_None
, *mszobj
= Py_None
, *tszobj
= Py_None
;
1309 size_t hsz
= 0, msz
= 0, tsz
= 0;
1312 if (!PyArg_ParseTupleAndKeywords(arg
, kw
, "O&|OOO:enc", KWLIST
,
1313 convbin
, &n
, &hszobj
, &mszobj
, &tszobj
))
1315 if (check_aead_encdec(ge
->e
->ops
->c
, &f
, n
.sz
,
1316 hszobj
, &hsz
, mszobj
, &msz
, tszobj
, &tsz
))
1318 if (GAEAD_REINIT(ge
->e
, n
.p
, n
.sz
, hsz
, msz
, tsz
))
1319 VALERR("bad aead parameter combination");
1320 gaea_sever(&ge
->aad
);
1321 ge
->f
= f
; ge
->hsz
= hsz
; ge
->msz
= msz
; ge
->tsz
= tsz
;
1326 static PyObject
*gaeemeth_encrypt(PyObject
*me
, PyObject
*arg
)
1328 gaeadenc_pyobj
*ge
= (gaeadenc_pyobj
*)me
;
1330 char *c
= 0; size_t csz
; buf b
;
1334 if (!PyArg_ParseTuple(arg
, "O&:encrypt", convbin
, &m
)) goto end
;
1335 if (ge
->f
&AEADF_AADFIRST
) {
1336 if ((ge
->f
&AEADF_PCHSZ
) && (ge
->aad ? ge
->aad
->hlen
: 0) != ge
->hsz
)
1337 VALERR("header doesn't match precommitted length");
1338 gaea_invalidate(ge
->aad
);
1340 if ((ge
->f
&AEADF_PCMSZ
) && m
.sz
> ge
->msz
- ge
->mlen
)
1341 VALERR("too large for precommitted message length");
1342 csz
= m
.sz
+ ge
->e
->ops
->c
->bufsz
; c
= xmalloc(csz
); buf_init(&b
, c
, csz
);
1343 err
= GAEAD_ENCRYPT(ge
->e
, m
.p
, m
.sz
, &b
); assert(!err
); (void)err
;
1344 buf_flip(&b
); rc
= bytestring_pywrapbuf(&b
); ge
->mlen
+= m
.sz
;
1350 static PyObject
*gaeemeth_done(PyObject
*me
, PyObject
*arg
, PyObject
*kw
)
1352 static const char *const kwlist
[] = { "tsz", "aad", 0 };
1353 gaeadenc_pyobj
*ge
= (gaeadenc_pyobj
*)me
;
1354 PyObject
*aad
= Py_None
;
1355 char *c
= 0; size_t csz
; buf b
;
1356 PyObject
*tszobj
= Py_None
; PyObject
*tag
; size_t tsz
;
1360 if (!PyArg_ParseTupleAndKeywords(arg
, kw
, "|OO:done", KWLIST
,
1363 if (tszobj
!= Py_None
&& !convszt(tszobj
, &tsz
)) goto end
;
1364 if (aad
!= Py_None
&&
1365 !PyObject_TypeCheck(aad
,
1366 (PyTypeObject
*)GCAEADENC_KEY(Py_TYPE(me
))->aad
))
1367 TYERR("wanted aad");
1368 if ((ge
->f
&AEADF_AADNDEP
) && aad
!= Py_None
&& aad
!= (PyObject
*)ge
->aad
)
1369 VALERR("mismatched aad");
1370 if ((ge
->f
&AEADF_PCHSZ
) &&
1371 (aad
== Py_None ?
0 : GAEADAAD_HLEN(aad
)) != ge
->hsz
)
1372 VALERR("header doesn't match precommitted length");
1373 if ((ge
->f
&AEADF_PCMSZ
) && ge
->mlen
!= ge
->msz
)
1374 VALERR("message doesn't match precommitted length");
1375 if (tszobj
== Py_None
) {
1376 if (ge
->f
&AEADF_PCTSZ
) tsz
= ge
->tsz
;
1377 else tsz
= keysz(0, ge
->e
->ops
->c
->tagsz
);
1379 if ((ge
->f
&AEADF_PCTSZ
) && tsz
!= ge
->tsz
)
1380 VALERR("tag length doesn't match precommitted value");
1381 if (keysz(tsz
, ge
->e
->ops
->c
->tagsz
) != tsz
) VALERR("bad tag length");
1383 csz
= ge
->e
->ops
->c
->bufsz
; c
= xmalloc(csz
); buf_init(&b
, c
, csz
);
1384 tag
= bytestring_pywrap(0, tsz
);
1385 err
= GAEAD_DONE(ge
->e
, aad
== Py_None ?
0 : GAEADAAD_A(aad
), &b
,
1387 assert(!err
); (void)err
;
1388 buf_flip(&b
); rc
= Py_BuildValue("NN", bytestring_pywrapbuf(&b
), tag
);
1394 static const PyMethodDef gaeadenc_pymethods
[] = {
1395 #define METHNAME(name) gaeemeth_##name
1396 NAMETH(aad
, "ENC.aad() -> AAD")
1397 KWMETH(reinit
, "ENC.reinit(NONCE, [hsz], [msz], [tsz])")
1398 METH (encrypt
, "ENC.encrypt(MSG) -> CT")
1399 KWMETH(done
, "ENC.done([tsz], [aad]) -> CT, TAG")
1404 static PyObject
*gaeaddec_pywrap(PyObject
*cobj
, gaead_dec
*d
, unsigned f
,
1405 size_t hsz
, size_t csz
, size_t tsz
)
1408 assert(cobj
); Py_INCREF(cobj
);
1409 gd
= PyObject_NEW(gaeaddec_pyobj
, (PyTypeObject
*)cobj
);
1410 gd
->d
= d
; gd
->f
= f
; gd
->hsz
= hsz
; gd
->csz
= csz
; gd
->tsz
= tsz
;
1411 gd
->aad
= 0; gd
->clen
= 0;
1412 return ((PyObject
*)gd
);
1415 static void gaeaddec_pydealloc(PyObject
*me
)
1417 gaeaddec_pyobj
*gd
= (gaeaddec_pyobj
*)me
;
1419 gaea_sever(&gd
->aad
); GAEAD_DESTROY(GAEADDEC_D(me
));
1420 Py_DECREF(Py_TYPE(me
)); FREEOBJ(me
);
1423 static PyObject
*gaedget_hsz(PyObject
*me
, void *hunoz
)
1425 if (GAEADDEC_F(me
)&AEADF_PCHSZ
) return getulong(GAEADDEC_HSZ(me
));
1429 static PyObject
*gaedget_csz(PyObject
*me
, void *hunoz
)
1431 if (GAEADDEC_F(me
)&AEADF_PCMSZ
) return getulong(GAEADDEC_CSZ(me
));
1435 static PyObject
*gaedget_tsz(PyObject
*me
, void *hunoz
)
1437 if (GAEADDEC_F(me
)&AEADF_PCTSZ
) return getulong(GAEADDEC_TSZ(me
));
1441 static PyObject
*gaedget_clen(PyObject
*me
, void *hunoz
)
1442 { return getulong(GAEADDEC_CLEN(me
)); }
1444 static const PyGetSetDef gaeaddec_pygetset
[] = {
1445 #define GETSETNAME(op, name) gaed##op##_##name
1446 GET (hsz
, "DEC.hsz -> precommitted header length or `None'")
1447 GET (csz
, "DEC.csz -> precommitted ciphertext length or `None'")
1448 GET (tsz
, "DEC.tsz -> precommitted tag length or `None'")
1449 GET (clen
, "DEC.clen -> ciphertext length so far")
1454 static PyObject
*gaedmeth_aad(PyObject
*me
)
1456 gaeaddec_pyobj
*gd
= (gaeaddec_pyobj
*)me
;
1458 if (!(gd
->f
&AEADF_AADNDEP
))
1459 return (gaeadaad_pywrap((PyObject
*)GCAEADDEC_KEY(Py_TYPE(gd
))->aad
,
1460 GAEAD_AAD(gd
->d
), 0, 0));
1463 gd
->aad
= (gaeadaad_pyobj
*)
1464 gaeadaad_pywrap((PyObject
*)GCAEADENC_KEY(Py_TYPE(gd
))->aad
,
1465 GAEAD_AAD(gd
->d
), gd
->f
&(AEADF_PCHSZ
| AEADF_NOAAD
),
1468 return ((PyObject
*)gd
->aad
);
1472 static PyObject
*gaedmeth_reinit(PyObject
*me
, PyObject
*arg
, PyObject
*kw
)
1474 static const char *const kwlist
[] = { "nonce", "hsz", "csz", "tsz", 0 };
1475 gaeaddec_pyobj
*gd
= (gaeaddec_pyobj
*)me
;
1477 PyObject
*hszobj
= Py_None
, *cszobj
= Py_None
, *tszobj
= Py_None
;
1478 size_t hsz
= 0, csz
= 0, tsz
= 0;
1481 if (!PyArg_ParseTupleAndKeywords(arg
, kw
, "O&|OOO:enc", KWLIST
,
1482 convbin
, &n
, &hszobj
, &cszobj
, &tszobj
))
1484 if (check_aead_encdec(gd
->d
->ops
->c
, &f
, n
.sz
,
1485 hszobj
, &hsz
, cszobj
, &csz
, tszobj
, &tsz
))
1487 if (GAEAD_REINIT(gd
->d
, n
.p
, n
.sz
, hsz
, csz
, tsz
))
1488 VALERR("bad aead parameter combination");
1489 gaea_sever(&gd
->aad
);
1490 gd
->f
= f
; gd
->hsz
= hsz
; gd
->csz
= csz
; gd
->tsz
= tsz
;
1495 static PyObject
*gaedmeth_decrypt(PyObject
*me
, PyObject
*arg
)
1497 gaeaddec_pyobj
*gd
= (gaeaddec_pyobj
*)me
;
1499 char *m
= 0; size_t msz
; buf b
;
1503 if (!PyArg_ParseTuple(arg
, "O&:decrypt", convbin
, &c
)) goto end
;
1504 if (gd
->f
&AEADF_AADFIRST
) {
1505 if ((gd
->f
&AEADF_PCHSZ
) && (gd
->aad ? gd
->aad
->hlen
: 0) != gd
->hsz
)
1506 VALERR("header doesn't match precommitted length");
1507 gaea_invalidate(gd
->aad
);
1509 if ((gd
->f
&AEADF_PCMSZ
) && c
.sz
> gd
->csz
- gd
->clen
)
1510 VALERR("too large for precommitted message length");
1511 msz
= c
.sz
+ gd
->d
->ops
->c
->bufsz
; m
= xmalloc(msz
); buf_init(&b
, m
, msz
);
1512 err
= GAEAD_DECRYPT(gd
->d
, c
.p
, c
.sz
, &b
); assert(!err
); (void)err
;
1513 buf_flip(&b
); rc
= bytestring_pywrapbuf(&b
); gd
->clen
+= c
.sz
;
1519 static PyObject
*gaedmeth_done(PyObject
*me
, PyObject
*arg
, PyObject
*kw
)
1521 static const char *const kwlist
[] = { "tag", "aad", 0 };
1522 gaeaddec_pyobj
*gd
= (gaeaddec_pyobj
*)me
;
1523 PyObject
*aad
= Py_None
;
1525 char *m
= 0; size_t msz
; buf b
;
1529 if (!PyArg_ParseTupleAndKeywords(arg
, kw
, "O&|O:done", KWLIST
,
1532 if (aad
!= Py_None
&&
1533 !PyObject_TypeCheck(aad
,
1534 (PyTypeObject
*)GCAEADENC_KEY(Py_TYPE(me
))->aad
))
1535 TYERR("wanted aad");
1536 if ((gd
->f
&AEADF_AADNDEP
) && aad
!= Py_None
&& aad
!= (PyObject
*)gd
->aad
)
1537 VALERR("mismatched aad");
1538 if ((gd
->f
&AEADF_PCHSZ
) &&
1539 (aad
== Py_None ?
0 : GAEADAAD_HLEN(aad
)) != gd
->hsz
)
1540 VALERR("header doesn't match precommitted length");
1541 if ((gd
->f
&AEADF_PCMSZ
) && gd
->clen
!= gd
->csz
)
1542 VALERR("message doesn't match precommitted length");
1543 if ((gd
->f
&AEADF_PCTSZ
) && t
.sz
!= gd
->tsz
)
1544 VALERR("tag length doesn't match precommitted value");
1545 if (keysz(t
.sz
, gd
->d
->ops
->c
->tagsz
) != t
.sz
) VALERR("bad tag length");
1546 msz
= gd
->d
->ops
->c
->bufsz
; m
= xmalloc(msz
); buf_init(&b
, m
, msz
);
1547 err
= GAEAD_DONE(gd
->d
, aad
== Py_None ?
0 : GAEADAAD_A(aad
),
1550 if (!err
) VALERR("decryption failed");
1551 buf_flip(&b
); rc
= bytestring_pywrapbuf(&b
);
1557 static const PyMethodDef gaeaddec_pymethods
[] = {
1558 #define METHNAME(name) gaedmeth_##name
1559 NAMETH(aad
, "DEC.aad() -> AAD")
1560 KWMETH(reinit
, "DEC.reinit(NONCE, [hsz], [csz], [tsz])")
1561 METH (decrypt
, "DEC.decrypt(CT) -> MSG")
1562 KWMETH(done
, "DEC.done(TAG, [aad]) -> MSG | None")
1567 static const PyTypeObject gcaead_pytype_skel
= {
1568 PyVarObject_HEAD_INIT(0, 0) /* Header */
1569 "GCAEAD", /* @tp_name@ */
1570 sizeof(gcaead_pyobj
), /* @tp_basicsize@ */
1571 0, /* @tp_itemsize@ */
1573 0, /* @tp_dealloc@ */
1575 0, /* @tp_getattr@ */
1576 0, /* @tp_setattr@ */
1577 0, /* @tp_compare@ */
1579 0, /* @tp_as_number@ */
1580 0, /* @tp_as_sequence@ */
1581 0, /* @tp_as_mapping@ */
1585 0, /* @tp_getattro@ */
1586 0, /* @tp_setattro@ */
1587 0, /* @tp_as_buffer@ */
1588 Py_TPFLAGS_DEFAULT
| /* @tp_flags@ */
1589 Py_TPFLAGS_BASETYPE
,
1592 "Authenticated encryption (key) metaclass.",
1594 0, /* @tp_traverse@ */
1596 0, /* @tp_richcompare@ */
1597 0, /* @tp_weaklistoffset@ */
1599 0, /* @tp_iternext@ */
1600 0, /* @tp_methods@ */
1601 0, /* @tp_members@ */
1602 PYGETSET(gcaead
), /* @tp_getset@ */
1605 0, /* @tp_descr_get@ */
1606 0, /* @tp_descr_set@ */
1607 0, /* @tp_dictoffset@ */
1609 PyType_GenericAlloc
, /* @tp_alloc@ */
1610 abstract_pynew
, /* @tp_new@ */
1615 static const PyTypeObject gaeadkey_pytype_skel
= {
1616 PyVarObject_HEAD_INIT(0, 0) /* Header */
1617 "GAEKey", /* @tp_name@ */
1618 sizeof(gaeadkey_pyobj
), /* @tp_basicsize@ */
1619 0, /* @tp_itemsize@ */
1621 gaeadkey_pydealloc
, /* @tp_dealloc@ */
1623 0, /* @tp_getattr@ */
1624 0, /* @tp_setattr@ */
1625 0, /* @tp_compare@ */
1627 0, /* @tp_as_number@ */
1628 0, /* @tp_as_sequence@ */
1629 0, /* @tp_as_mapping@ */
1633 0, /* @tp_getattro@ */
1634 0, /* @tp_setattro@ */
1635 0, /* @tp_as_buffer@ */
1636 Py_TPFLAGS_DEFAULT
| /* @tp_flags@ */
1637 Py_TPFLAGS_BASETYPE
,
1640 "Authenticated encryption key.",
1642 0, /* @tp_traverse@ */
1644 0, /* @tp_richcompare@ */
1645 0, /* @tp_weaklistoffset@ */
1647 0, /* @tp_iternext@ */
1648 PYMETHODS(gaeadkey
), /* @tp_methods@ */
1649 0, /* @tp_members@ */
1650 0, /* @tp_getset@ */
1653 0, /* @tp_descr_get@ */
1654 0, /* @tp_descr_set@ */
1655 0, /* @tp_dictoffset@ */
1657 PyType_GenericAlloc
, /* @tp_alloc@ */
1658 abstract_pynew
, /* @tp_new@ */
1663 static const PyTypeObject gcaeadaad_pytype_skel
= {
1664 PyVarObject_HEAD_INIT(0, 0) /* Header */
1665 "GAEAADClass", /* @tp_name@ */
1666 sizeof(gcaeadaad_pyobj
), /* @tp_basicsize@ */
1667 0, /* @tp_itemsize@ */
1669 0, /* @tp_dealloc@ */
1671 0, /* @tp_getattr@ */
1672 0, /* @tp_setattr@ */
1673 0, /* @tp_compare@ */
1675 0, /* @tp_as_number@ */
1676 0, /* @tp_as_sequence@ */
1677 0, /* @tp_as_mapping@ */
1681 0, /* @tp_getattro@ */
1682 0, /* @tp_setattro@ */
1683 0, /* @tp_as_buffer@ */
1684 Py_TPFLAGS_DEFAULT
| /* @tp_flags@ */
1685 Py_TPFLAGS_BASETYPE
,
1688 "Authenticated encryption additional-data hash metaclass.",
1690 0, /* @tp_traverse@ */
1692 0, /* @tp_richcompare@ */
1693 0, /* @tp_weaklistoffset@ */
1695 0, /* @tp_iternext@ */
1696 0, /* @tp_methods@ */
1697 0, /* @tp_members@ */
1698 0, /* @tp_getset@ */
1701 0, /* @tp_descr_get@ */
1702 0, /* @tp_descr_set@ */
1703 0, /* @tp_dictoffset@ */
1705 PyType_GenericAlloc
, /* @tp_alloc@ */
1706 abstract_pynew
, /* @tp_new@ */
1711 static const PyTypeObject gaeadaad_pytype_skel
= {
1712 PyVarObject_HEAD_INIT(0, 0) /* Header */
1713 "GAEAAD", /* @tp_name@ */
1714 sizeof(gaeadaad_pyobj
), /* @tp_basicsize@ */
1715 0, /* @tp_itemsize@ */
1717 gaeadaad_pydealloc
, /* @tp_dealloc@ */
1719 0, /* @tp_getattr@ */
1720 0, /* @tp_setattr@ */
1721 0, /* @tp_compare@ */
1723 0, /* @tp_as_number@ */
1724 0, /* @tp_as_sequence@ */
1725 0, /* @tp_as_mapping@ */
1729 0, /* @tp_getattro@ */
1730 0, /* @tp_setattro@ */
1731 0, /* @tp_as_buffer@ */
1732 Py_TPFLAGS_DEFAULT
| /* @tp_flags@ */
1733 Py_TPFLAGS_BASETYPE
,
1736 "Authenticated encryption AAD hash.",
1738 0, /* @tp_traverse@ */
1740 0, /* @tp_richcompare@ */
1741 0, /* @tp_weaklistoffset@ */
1743 0, /* @tp_iternext@ */
1744 PYMETHODS(gaeadaad
), /* @tp_methods@ */
1745 0, /* @tp_members@ */
1746 PYGETSET(gaeadaad
), /* @tp_getset@ */
1749 0, /* @tp_descr_get@ */
1750 0, /* @tp_descr_set@ */
1751 0, /* @tp_dictoffset@ */
1753 PyType_GenericAlloc
, /* @tp_alloc@ */
1754 abstract_pynew
, /* @tp_new@ */
1759 static const PyTypeObject gcaeadenc_pytype_skel
= {
1760 PyVarObject_HEAD_INIT(0, 0) /* Header */
1761 "GAEEncClass", /* @tp_name@ */
1762 sizeof(gcaeadenc_pyobj
), /* @tp_basicsize@ */
1763 0, /* @tp_itemsize@ */
1765 0, /* @tp_dealloc@ */
1767 0, /* @tp_getattr@ */
1768 0, /* @tp_setattr@ */
1769 0, /* @tp_compare@ */
1771 0, /* @tp_as_number@ */
1772 0, /* @tp_as_sequence@ */
1773 0, /* @tp_as_mapping@ */
1777 0, /* @tp_getattro@ */
1778 0, /* @tp_setattro@ */
1779 0, /* @tp_as_buffer@ */
1780 Py_TPFLAGS_DEFAULT
| /* @tp_flags@ */
1781 Py_TPFLAGS_BASETYPE
,
1784 "Authenticated encryption operation metaclass.",
1786 0, /* @tp_traverse@ */
1788 0, /* @tp_richcompare@ */
1789 0, /* @tp_weaklistoffset@ */
1791 0, /* @tp_iternext@ */
1792 0, /* @tp_methods@ */
1793 0, /* @tp_members@ */
1794 0, /* @tp_getset@ */
1797 0, /* @tp_descr_get@ */
1798 0, /* @tp_descr_set@ */
1799 0, /* @tp_dictoffset@ */
1801 PyType_GenericAlloc
, /* @tp_alloc@ */
1802 abstract_pynew
, /* @tp_new@ */
1807 static const PyTypeObject gaeadenc_pytype_skel
= {
1808 PyVarObject_HEAD_INIT(0, 0) /* Header */
1809 "GAEEnc", /* @tp_name@ */
1810 sizeof(gaeadenc_pyobj
), /* @tp_basicsize@ */
1811 0, /* @tp_itemsize@ */
1813 gaeadenc_pydealloc
, /* @tp_dealloc@ */
1815 0, /* @tp_getattr@ */
1816 0, /* @tp_setattr@ */
1817 0, /* @tp_compare@ */
1819 0, /* @tp_as_number@ */
1820 0, /* @tp_as_sequence@ */
1821 0, /* @tp_as_mapping@ */
1825 0, /* @tp_getattro@ */
1826 0, /* @tp_setattro@ */
1827 0, /* @tp_as_buffer@ */
1828 Py_TPFLAGS_DEFAULT
| /* @tp_flags@ */
1829 Py_TPFLAGS_BASETYPE
,
1832 "Authenticated encryption operation.",
1834 0, /* @tp_traverse@ */
1836 0, /* @tp_richcompare@ */
1837 0, /* @tp_weaklistoffset@ */
1839 0, /* @tp_iternext@ */
1840 PYMETHODS(gaeadenc
), /* @tp_methods@ */
1841 0, /* @tp_members@ */
1842 PYGETSET(gaeadenc
), /* @tp_getset@ */
1845 0, /* @tp_descr_get@ */
1846 0, /* @tp_descr_set@ */
1847 0, /* @tp_dictoffset@ */
1849 PyType_GenericAlloc
, /* @tp_alloc@ */
1850 abstract_pynew
, /* @tp_new@ */
1855 static const PyTypeObject gcaeaddec_pytype_skel
= {
1856 PyVarObject_HEAD_INIT(0, 0) /* Header */
1857 "GAEDecClass", /* @tp_name@ */
1858 sizeof(gcaeaddec_pyobj
), /* @tp_basicsize@ */
1859 0, /* @tp_itemsize@ */
1861 0, /* @tp_dealloc@ */
1863 0, /* @tp_getattr@ */
1864 0, /* @tp_setattr@ */
1865 0, /* @tp_compare@ */
1867 0, /* @tp_as_number@ */
1868 0, /* @tp_as_sequence@ */
1869 0, /* @tp_as_mapping@ */
1873 0, /* @tp_getattro@ */
1874 0, /* @tp_setattro@ */
1875 0, /* @tp_as_buffer@ */
1876 Py_TPFLAGS_DEFAULT
| /* @tp_flags@ */
1877 Py_TPFLAGS_BASETYPE
,
1880 "Authenticated decryption operation metaclass.",
1882 0, /* @tp_traverse@ */
1884 0, /* @tp_richcompare@ */
1885 0, /* @tp_weaklistoffset@ */
1887 0, /* @tp_iternext@ */
1888 0, /* @tp_methods@ */
1889 0, /* @tp_members@ */
1890 0, /* @tp_getset@ */
1893 0, /* @tp_descr_get@ */
1894 0, /* @tp_descr_set@ */
1895 0, /* @tp_dictoffset@ */
1897 PyType_GenericAlloc
, /* @tp_alloc@ */
1898 abstract_pynew
, /* @tp_new@ */
1903 static const PyTypeObject gaeaddec_pytype_skel
= {
1904 PyVarObject_HEAD_INIT(0, 0) /* Header */
1905 "GAEDec", /* @tp_name@ */
1906 sizeof(gaeaddec_pyobj
), /* @tp_basicsize@ */
1907 0, /* @tp_itemsize@ */
1909 gaeaddec_pydealloc
, /* @tp_dealloc@ */
1911 0, /* @tp_getattr@ */
1912 0, /* @tp_setattr@ */
1913 0, /* @tp_compare@ */
1915 0, /* @tp_as_number@ */
1916 0, /* @tp_as_sequence@ */
1917 0, /* @tp_as_mapping@ */
1921 0, /* @tp_getattro@ */
1922 0, /* @tp_setattro@ */
1923 0, /* @tp_as_buffer@ */
1924 Py_TPFLAGS_DEFAULT
| /* @tp_flags@ */
1925 Py_TPFLAGS_BASETYPE
,
1928 "Authenticated decryption operation.",
1930 0, /* @tp_traverse@ */
1932 0, /* @tp_richcompare@ */
1933 0, /* @tp_weaklistoffset@ */
1935 0, /* @tp_iternext@ */
1936 PYMETHODS(gaeaddec
), /* @tp_methods@ */
1937 0, /* @tp_members@ */
1938 PYGETSET(gaeaddec
), /* @tp_getset@ */
1941 0, /* @tp_descr_get@ */
1942 0, /* @tp_descr_set@ */
1943 0, /* @tp_dictoffset@ */
1945 PyType_GenericAlloc
, /* @tp_alloc@ */
1946 abstract_pynew
, /* @tp_new@ */
1951 /*----- Hash functions ----------------------------------------------------*/
1953 PyTypeObject
*gchash_pytype
;
1954 static PyTypeObject
*ghash_pytype
;
1955 PyObject
*sha_pyobj
, *has160_pyobj
;
1957 typedef struct ghash_pyobj
{
1962 #define GHASH_PYCHECK(o) PyObject_TypeCheck((o), ghash_pytype)
1963 #define GHASH_H(o) (((ghash_pyobj *)(o))->h)
1965 CONVFUNC(gchash
, gchash
*, GCHASH_CH
)
1966 CONVFUNC(ghash
, ghash
*, GHASH_H
)
1968 static PyObject
*ghash_pynew(PyTypeObject
*ty
, PyObject
*arg
, PyObject
*kw
)
1970 static const char *const kwlist
[] = { 0 };
1971 if (!PyArg_ParseTupleAndKeywords(arg
, kw
, ":new", KWLIST
))
1973 return (ghash_pywrap((PyObject
*)ty
, GH_INIT(GCHASH_CH(ty
))));
1978 static PyObject
*gchash_pywrap(gchash
*ch
)
1980 gchash_pyobj
*g
= newtype(gchash_pytype
, 0, ch
->name
);
1982 g
->ty
.ht_type
.tp_basicsize
= sizeof(ghash_pyobj
);
1983 g
->ty
.ht_type
.tp_base
= ghash_pytype
;
1984 Py_INCREF(ghash_pytype
);
1985 g
->ty
.ht_type
.tp_flags
= (Py_TPFLAGS_DEFAULT
|
1986 Py_TPFLAGS_BASETYPE
|
1987 Py_TPFLAGS_HEAPTYPE
);
1988 g
->ty
.ht_type
.tp_alloc
= PyType_GenericAlloc
;
1989 g
->ty
.ht_type
.tp_free
= 0;
1990 g
->ty
.ht_type
.tp_new
= ghash_pynew
;
1991 typeready(&g
->ty
.ht_type
);
1992 return ((PyObject
*)g
);
1995 PyObject
*ghash_pywrap(PyObject
*cobj
, ghash
*h
)
1998 if (!cobj
) cobj
= gchash_pywrap((/*unconst*/ gchash
*)GH_CLASS(h
));
1999 else Py_INCREF(cobj
);
2000 g
= PyObject_NEW(ghash_pyobj
, (PyTypeObject
*)cobj
);
2002 return ((PyObject
*)g
);
2005 static void ghash_pydealloc(PyObject
*me
)
2007 GH_DESTROY(GHASH_H(me
));
2008 Py_DECREF(Py_TYPE(me
));
2012 static PyObject
*gchget_name(PyObject
*me
, void *hunoz
)
2013 { return (TEXT_FROMSTR(GCHASH_CH(me
)->name
)); }
2015 static PyObject
*gchget_hashsz(PyObject
*me
, void *hunoz
)
2016 { return (PyInt_FromLong(GCHASH_CH(me
)->hashsz
)); }
2018 static PyObject
*gchget_bufsz(PyObject
*me
, void *hunoz
)
2019 { return (PyInt_FromLong(GCHASH_CH(me
)->bufsz
)); }
2021 static PyObject
*ghmeth_copy(PyObject
*me
)
2022 { return (ghash_pywrap((PyObject
*)Py_TYPE(me
), GH_COPY(GHASH_H(me
)))); }
2024 static PyObject
*ghmeth_hash(PyObject
*me
, PyObject
*arg
)
2027 if (!PyArg_ParseTuple(arg
, "O&:hash", convbin
, &m
)) return (0);
2028 GH_HASH(GHASH_H(me
), m
.p
, m
.sz
);
2032 #define GHMETH_HASHU_(n, W, w) \
2033 static PyObject *ghmeth_hashu##w(PyObject *me, PyObject *arg) \
2036 if (!PyArg_ParseTuple(arg, "O&:hashu" #w, convu##n, &x)) return (0); \
2037 GH_HASHU##W(GHASH_H(me), x); \
2040 DOUINTCONV(GHMETH_HASHU_
)
2042 #define GHMETH_HASHBUF_(n, W, w) \
2043 static PyObject *ghmeth_hashbuf##w(PyObject *me, PyObject *arg) \
2046 if (!PyArg_ParseTuple(arg, "O&:hashbuf" #w, convbin, &in)) goto end; \
2047 if (in.sz > MASK##n) VALERR("too large"); \
2048 GH_HASHBUF##W(GHASH_H(me), in.p, in.sz); \
2053 DOUINTCONV(GHMETH_HASHBUF_
)
2055 static PyObject
*ghmeth_hashstrz(PyObject
*me
, PyObject
*arg
)
2058 if (!PyArg_ParseTuple(arg
, "s:hashstrz", &p
)) return (0);
2059 GH_HASHSTRZ(GHASH_H(me
), p
);
2063 static PyObject
*ghmeth_done(PyObject
*me
)
2067 g
= GH_COPY(GHASH_H(me
));
2068 rc
= bytestring_pywrap(0, g
->ops
->c
->hashsz
);
2069 GH_DONE(g
, BIN_PTR(rc
));
2074 static const PyGetSetDef gchash_pygetset
[] = {
2075 #define GETSETNAME(op, name) gch##op##_##name
2076 GET (bufsz
, "CH.bufsz -> hash buffer size, or zero")
2077 GET (hashsz
, "CH.hashsz -> hash output size")
2078 GET (name
, "CH.name -> name of this kind of hash")
2083 static const PyMethodDef ghash_pymethods
[] = {
2084 #define METHNAME(name) ghmeth_##name
2085 NAMETH(copy
, "H.copy() -> HH")
2086 METH (hash
, "H.hash(M)")
2087 #define METHU_(n, W, w) METH(hashu##w, "H.hashu" #w "(WORD)")
2090 #define METHBUF_(n, W, w) METH(hashbuf##w, "H.hashbuf" #w "(BYTES)")
2091 DOUINTCONV(METHBUF_
)
2093 METH (hashstrz
, "H.hashstrz(STRING)")
2094 NAMETH(done
, "H.done() -> HASH")
2099 static const PyTypeObject gchash_pytype_skel
= {
2100 PyVarObject_HEAD_INIT(0, 0) /* Header */
2101 "GCHash", /* @tp_name@ */
2102 sizeof(gchash_pyobj
), /* @tp_basicsize@ */
2103 0, /* @tp_itemsize@ */
2105 0, /* @tp_dealloc@ */
2107 0, /* @tp_getattr@ */
2108 0, /* @tp_setattr@ */
2109 0, /* @tp_compare@ */
2111 0, /* @tp_as_number@ */
2112 0, /* @tp_as_sequence@ */
2113 0, /* @tp_as_mapping@ */
2117 0, /* @tp_getattro@ */
2118 0, /* @tp_setattro@ */
2119 0, /* @tp_as_buffer@ */
2120 Py_TPFLAGS_DEFAULT
| /* @tp_flags@ */
2121 Py_TPFLAGS_BASETYPE
,
2124 "Hash function metaclass.",
2126 0, /* @tp_traverse@ */
2128 0, /* @tp_richcompare@ */
2129 0, /* @tp_weaklistoffset@ */
2131 0, /* @tp_iternext@ */
2132 0, /* @tp_methods@ */
2133 0, /* @tp_members@ */
2134 PYGETSET(gchash
), /* @tp_getset@ */
2137 0, /* @tp_descr_get@ */
2138 0, /* @tp_descr_set@ */
2139 0, /* @tp_dictoffset@ */
2141 PyType_GenericAlloc
, /* @tp_alloc@ */
2142 abstract_pynew
, /* @tp_new@ */
2147 static const PyTypeObject ghash_pytype_skel
= {
2148 PyVarObject_HEAD_INIT(0, 0) /* Header */
2149 "GHash", /* @tp_name@ */
2150 sizeof(ghash_pyobj
), /* @tp_basicsize@ */
2151 0, /* @tp_itemsize@ */
2153 ghash_pydealloc
, /* @tp_dealloc@ */
2155 0, /* @tp_getattr@ */
2156 0, /* @tp_setattr@ */
2157 0, /* @tp_compare@ */
2159 0, /* @tp_as_number@ */
2160 0, /* @tp_as_sequence@ */
2161 0, /* @tp_as_mapping@ */
2165 0, /* @tp_getattro@ */
2166 0, /* @tp_setattro@ */
2167 0, /* @tp_as_buffer@ */
2168 Py_TPFLAGS_DEFAULT
| /* @tp_flags@ */
2169 Py_TPFLAGS_BASETYPE
,
2172 "Hash function, abstract base class.",
2174 0, /* @tp_traverse@ */
2176 0, /* @tp_richcompare@ */
2177 0, /* @tp_weaklistoffset@ */
2179 0, /* @tp_iternext@ */
2180 PYMETHODS(ghash
), /* @tp_methods@ */
2181 0, /* @tp_members@ */
2182 0, /* @tp_getset@ */
2185 0, /* @tp_descr_get@ */
2186 0, /* @tp_descr_set@ */
2187 0, /* @tp_dictoffset@ */
2189 PyType_GenericAlloc
, /* @tp_alloc@ */
2190 abstract_pynew
, /* @tp_new@ */
2195 /*----- Message authentication --------------------------------------------*/
2197 static PyTypeObject
*gcmac_pytype
, *gmac_pytype
, *gmhash_pytype
;
2199 typedef struct gcmac_pyobj
{
2200 PyHeapTypeObject ty
;
2204 #define GCMAC_PYCHECK(o) PyObject_TypeCheck((o), gcmac_pytype)
2205 #define GCMAC_CM(o) (((gcmac_pyobj *)(o))->cm)
2206 #define GCMAC_F(o) (((gcmac_pyobj *)(o))->f)
2207 CONVFUNC(gcmac
, gcmac
*, GCMAC_CM
)
2208 static PyObject
*gmac_pywrap(PyObject
*, gmac
*);
2210 typedef struct gmac_pyobj
{
2211 PyHeapTypeObject ty
;
2215 extern PyTypeObject
*gmac_pytype
;
2216 #define GMAC_PYCHECK(o) PyObject_TypeCheck((o), gmac_pytype)
2217 #define GMAC_M(o) (((gmac_pyobj *)(o))->m)
2218 #define GMAC_F(o) (((gmac_pyobj *)(o))->f)
2219 extern PyObject
*gmac_pywrap(PyObject
*, gmac
*);
2220 extern int convgmac(PyObject
*, void *);
2222 static PyObject
*gmac_pynew(PyTypeObject
*ty
, PyObject
*arg
, PyObject
*kw
)
2224 static const char *const kwlist
[] = { "k", 0 };
2227 if (!PyArg_ParseTupleAndKeywords(arg
, kw
, "O&:new", KWLIST
, convbin
, &k
))
2229 if (keysz(k
.sz
, GCMAC_CM(ty
)->keysz
) != k
.sz
) VALERR("bad key length");
2230 return (gmac_pywrap((PyObject
*)ty
,
2231 GM_KEY(GCMAC_CM(ty
), k
.p
, k
.sz
)));
2236 static PyObject
*gmhash_pynew(PyTypeObject
*ty
, PyObject
*arg
, PyObject
*kw
)
2238 static const char *const kwlist
[] = { 0 };
2241 if (!PyArg_ParseTupleAndKeywords(arg
, kw
, ":new", KWLIST
)) return (0);
2242 g
= PyObject_NEW(ghash_pyobj
, ty
);
2243 g
->h
= GM_INIT(GMAC_M(ty
));
2245 return ((PyObject
*)g
);
2248 static PyObject
*gcmac_pywrap(gcmac
*cm
)
2250 gcmac_pyobj
*g
= newtype(gcmac_pytype
, 0, cm
->name
);
2252 g
->ty
.ht_type
.tp_basicsize
= sizeof(gmac_pyobj
);
2253 g
->ty
.ht_type
.tp_base
= gmac_pytype
;
2254 Py_INCREF(gmac_pytype
);
2255 g
->ty
.ht_type
.tp_flags
= (Py_TPFLAGS_DEFAULT
|
2256 Py_TPFLAGS_BASETYPE
|
2257 Py_TPFLAGS_HEAPTYPE
);
2258 g
->ty
.ht_type
.tp_alloc
= PyType_GenericAlloc
;
2259 g
->ty
.ht_type
.tp_free
= 0;
2260 g
->ty
.ht_type
.tp_new
= gmac_pynew
;
2261 typeready(&g
->ty
.ht_type
);
2262 return ((PyObject
*)g
);
2265 static PyObject
*gmac_pywrap(PyObject
*cobj
, gmac
*m
)
2268 if (!cobj
) cobj
= gcmac_pywrap((/*unconst*/ gcmac
*)GM_CLASS(m
));
2269 else Py_INCREF(cobj
);
2270 g
= newtype((PyTypeObject
*)cobj
, 0, 0);
2271 g
->ty
.ht_type
.tp_basicsize
= sizeof(ghash_pyobj
);
2272 g
->ty
.ht_name
= TEXT_FORMAT("%s(keyed)", m
->ops
->c
->name
);
2273 g
->ty
.ht_type
.tp_name
= TEXT_PTR(g
->ty
.ht_name
);
2274 g
->ty
.ht_type
.tp_base
= gmhash_pytype
;
2275 Py_INCREF(gmac_pytype
);
2276 g
->ty
.ht_type
.tp_flags
= (Py_TPFLAGS_DEFAULT
|
2277 Py_TPFLAGS_BASETYPE
|
2278 Py_TPFLAGS_HEAPTYPE
);
2279 g
->ty
.ht_type
.tp_alloc
= PyType_GenericAlloc
;
2280 g
->ty
.ht_type
.tp_free
= 0;
2281 g
->ty
.ht_type
.tp_new
= gmhash_pynew
;
2282 typeready(&g
->ty
.ht_type
);
2284 return ((PyObject
*)g
);
2287 static void gmac_pydealloc(PyObject
*me
)
2289 GM_DESTROY(GMAC_M(me
));
2290 Py_DECREF(Py_TYPE(me
));
2291 PyType_Type
.tp_dealloc(me
);
2294 static PyObject
*gcmget_name(PyObject
*me
, void *hunoz
)
2295 { return (TEXT_FROMSTR(GCMAC_CM(me
)->name
)); }
2297 static PyObject
*gcmget_keysz(PyObject
*me
, void *hunoz
)
2298 { return (keysz_pywrap(GCMAC_CM(me
)->keysz
)); }
2300 static PyObject
*gcmget_tagsz(PyObject
*me
, void *hunoz
)
2301 { return (PyInt_FromLong(GCMAC_CM(me
)->hashsz
)); }
2303 static const PyGetSetDef gcmac_pygetset
[] = {
2304 #define GETSETNAME(op, name) gcm##op##_##name
2305 GET (keysz
, "CM.keysz -> acceptable key sizes")
2306 GET (tagsz
, "CM.tagsz -> MAC output size")
2307 GET (name
, "CM.name -> name of this kind of MAC")
2312 static PyObject
*gmget_name(PyObject
*me
, void *hunoz
)
2313 { return (TEXT_FROMSTR(GMAC_M(me
)->ops
->c
->name
)); }
2315 static PyObject
*gmget_hashsz(PyObject
*me
, void *hunoz
)
2316 { return (PyInt_FromLong(GMAC_M(me
)->ops
->c
->hashsz
)); }
2317 #define gmget_tagsz gmget_hashsz
2319 static const PyGetSetDef gmac_pygetset
[] = {
2320 #define GETSETNAME(op, name) gm##op##_##name
2321 GET (hashsz
, "M.hashsz -> MAC output size")
2322 GET (tagsz
, "M.tagsz -> MAC output size")
2323 GET (name
, "M.name -> name of this kind of MAC")
2328 static const PyTypeObject gcmac_pytype_skel
= {
2329 PyVarObject_HEAD_INIT(0, 0) /* Header */
2330 "GCMAC", /* @tp_name@ */
2331 sizeof(gchash_pyobj
), /* @tp_basicsize@ */
2332 0, /* @tp_itemsize@ */
2334 0, /* @tp_dealloc@ */
2336 0, /* @tp_getattr@ */
2337 0, /* @tp_setattr@ */
2338 0, /* @tp_compare@ */
2340 0, /* @tp_as_number@ */
2341 0, /* @tp_as_sequence@ */
2342 0, /* @tp_as_mapping@ */
2346 0, /* @tp_getattro@ */
2347 0, /* @tp_setattro@ */
2348 0, /* @tp_as_buffer@ */
2349 Py_TPFLAGS_DEFAULT
| /* @tp_flags@ */
2350 Py_TPFLAGS_BASETYPE
,
2353 "Message authentication code metametaclass.",
2355 0, /* @tp_traverse@ */
2357 0, /* @tp_richcompare@ */
2358 0, /* @tp_weaklistoffset@ */
2360 0, /* @tp_iternext@ */
2361 0, /* @tp_methods@ */
2362 0, /* @tp_members@ */
2363 PYGETSET(gcmac
), /* @tp_getset@ */
2366 0, /* @tp_descr_get@ */
2367 0, /* @tp_descr_set@ */
2368 0, /* @tp_dictoffset@ */
2370 PyType_GenericAlloc
, /* @tp_alloc@ */
2371 abstract_pynew
, /* @tp_new@ */
2376 static const PyTypeObject gmac_pytype_skel
= {
2377 PyVarObject_HEAD_INIT(0, 0) /* Header */
2378 "GMAC", /* @tp_name@ */
2379 sizeof(gmac_pyobj
), /* @tp_basicsize@ */
2380 0, /* @tp_itemsize@ */
2382 gmac_pydealloc
, /* @tp_dealloc@ */
2384 0, /* @tp_getattr@ */
2385 0, /* @tp_setattr@ */
2386 0, /* @tp_compare@ */
2388 0, /* @tp_as_number@ */
2389 0, /* @tp_as_sequence@ */
2390 0, /* @tp_as_mapping@ */
2394 0, /* @tp_getattro@ */
2395 0, /* @tp_setattro@ */
2396 0, /* @tp_as_buffer@ */
2397 Py_TPFLAGS_DEFAULT
| /* @tp_flags@ */
2398 Py_TPFLAGS_BASETYPE
,
2401 "Message authentication code metaclass, abstract base class.",
2403 0, /* @tp_traverse@ */
2405 0, /* @tp_richcompare@ */
2406 0, /* @tp_weaklistoffset@ */
2408 0, /* @tp_iternext@ */
2409 0, /* @tp_methods@ */
2410 0, /* @tp_members@ */
2411 PYGETSET(gmac
), /* @tp_getset@ */
2414 0, /* @tp_descr_get@ */
2415 0, /* @tp_descr_set@ */
2416 0, /* @tp_dictoffset@ */
2418 PyType_GenericAlloc
, /* @tp_alloc@ */
2419 abstract_pynew
, /* @tp_new@ */
2424 static const PyTypeObject gmhash_pytype_skel
= {
2425 PyVarObject_HEAD_INIT(0, 0) /* Header */
2426 "GMACHash", /* @tp_name@ */
2427 sizeof(ghash_pyobj
), /* @tp_basicsize@ */
2428 0, /* @tp_itemsize@ */
2430 ghash_pydealloc
, /* @tp_dealloc@ */
2432 0, /* @tp_getattr@ */
2433 0, /* @tp_setattr@ */
2434 0, /* @tp_compare@ */
2436 0, /* @tp_as_number@ */
2437 0, /* @tp_as_sequence@ */
2438 0, /* @tp_as_mapping@ */
2442 0, /* @tp_getattro@ */
2443 0, /* @tp_setattro@ */
2444 0, /* @tp_as_buffer@ */
2445 Py_TPFLAGS_DEFAULT
| /* @tp_flags@ */
2446 Py_TPFLAGS_BASETYPE
,
2449 "Message authentication code, abstract base class.",
2451 0, /* @tp_traverse@ */
2453 0, /* @tp_richcompare@ */
2454 0, /* @tp_weaklistoffset@ */
2456 0, /* @tp_iternext@ */
2457 0, /* @tp_methods@ */
2458 0, /* @tp_members@ */
2459 0, /* @tp_getset@ */
2462 0, /* @tp_descr_get@ */
2463 0, /* @tp_descr_set@ */
2464 0, /* @tp_dictoffset@ */
2466 PyType_GenericAlloc
, /* @tp_alloc@ */
2467 abstract_pynew
, /* @tp_new@ */
2472 /*----- Special snowflake for Poly1305 ------------------------------------*/
2474 PyTypeObject
*poly1305cls_pytype
, *poly1305key_pytype
, *poly1305hash_pytype
;
2476 typedef struct poly1305key_pyobj
{
2477 PyHeapTypeObject ty
;
2479 } poly1305key_pyobj
;
2481 typedef struct poly1305hash_pyobj
{
2486 } poly1305hash_pyobj
;
2488 #define P1305_F(o) (((poly1305hash_pyobj *)(o))->f)
2489 #define P1305_CTX(o) (&((poly1305hash_pyobj *)(o))->ctx)
2490 CONVFUNC(poly1305hash
, poly1305_ctx
*, P1305_CTX
)
2492 static PyObject
*poly1305hash_pynew(PyTypeObject
*ty
,
2493 PyObject
*arg
, PyObject
*kw
)
2495 static const char *const kwlist
[] = { "mask", 0 };
2496 poly1305key_pyobj
*pk
= (poly1305key_pyobj
*)ty
;
2497 poly1305hash_pyobj
*ph
;
2498 struct bin m
= { 0, 0 };
2500 if (!PyArg_ParseTupleAndKeywords(arg
, kw
, "|O&:new", KWLIST
, convbin
, &m
))
2502 if (m
.p
&& m
.sz
!= POLY1305_MASKSZ
) VALERR("bad mask length");
2503 ph
= PyObject_NEW(poly1305hash_pyobj
, ty
);
2505 if (m
.p
) ph
->f
|= f_mask
;
2506 poly1305_macinit(&ph
->ctx
, &pk
->k
, m
.p
);
2508 return ((PyObject
*)ph
);
2513 static PyObject
*poly1305key_pynew(PyTypeObject
*ty
,
2514 PyObject
*arg
, PyObject
*kw
)
2516 static const char *const kwlist
[] = { "k", 0 };
2517 poly1305key_pyobj
*pk
;
2520 if (!PyArg_ParseTupleAndKeywords(arg
, kw
, "O&:new", KWLIST
, convbin
, &k
))
2522 if (keysz(k
.sz
, poly1305_keysz
) != k
.sz
) VALERR("bad key length");
2524 pk
= newtype(ty
, 0, 0);
2525 pk
->ty
.ht_name
= TEXT_FROMSTR("poly1305(keyed)");
2526 pk
->ty
.ht_type
.tp_basicsize
= sizeof(poly1305hash_pyobj
);
2527 pk
->ty
.ht_type
.tp_name
= TEXT_PTR(pk
->ty
.ht_name
);
2528 pk
->ty
.ht_type
.tp_base
= poly1305hash_pytype
;
2529 Py_INCREF(poly1305key_pytype
);
2530 pk
->ty
.ht_type
.tp_flags
= (Py_TPFLAGS_DEFAULT
|
2531 Py_TPFLAGS_BASETYPE
|
2532 Py_TPFLAGS_HEAPTYPE
);
2533 pk
->ty
.ht_type
.tp_alloc
= PyType_GenericAlloc
;
2534 pk
->ty
.ht_type
.tp_free
= 0;
2535 pk
->ty
.ht_type
.tp_new
= poly1305hash_pynew
;
2536 typeready(&pk
->ty
.ht_type
);
2538 poly1305_keyinit(&pk
->k
, k
.p
, k
.sz
);
2539 return ((PyObject
*)pk
);
2545 static PyObject
*poly1305clsget_name(PyObject
*me
, void *hunoz
)
2546 { return (TEXT_FROMSTR("poly1305")); }
2548 static PyObject
*poly1305clsget_keysz(PyObject
*me
, void *hunoz
)
2549 { return (keysz_pywrap(poly1305_keysz
)); }
2551 static PyObject
*poly1305clsget_masksz(PyObject
*me
, void *hunoz
)
2552 { return (PyInt_FromLong(POLY1305_MASKSZ
)); }
2554 static PyObject
*poly1305clsget_tagsz(PyObject
*me
, void *hunoz
)
2555 { return (PyInt_FromLong(POLY1305_TAGSZ
)); }
2557 static PyObject
*polymeth_copy(PyObject
*me
)
2559 poly1305hash_pyobj
*ph
;
2560 ph
= PyObject_NEW(poly1305hash_pyobj
, Py_TYPE(me
));
2561 poly1305_copy(&ph
->ctx
, P1305_CTX(me
));
2562 Py_INCREF(Py_TYPE(me
));
2563 return ((PyObject
*)ph
);
2566 static PyObject
*polymeth_hash(PyObject
*me
, PyObject
*arg
)
2569 if (!PyArg_ParseTuple(arg
, "O&:hash", convbin
, &m
)) return (0);
2570 poly1305_hash(P1305_CTX(me
), m
.p
, m
.sz
);
2574 #define POLYMETH_HASHU_(n, W, w) \
2575 static PyObject *polymeth_hashu##w(PyObject *me, PyObject *arg) \
2579 if (!PyArg_ParseTuple(arg, "O&:hashu" #w, convu##n, &x)) return (0); \
2580 STORE##W(b, x); poly1305_hash(P1305_CTX(me), b, sizeof(b)); \
2583 DOUINTCONV(POLYMETH_HASHU_
)
2585 #define POLYMETH_HASHBUF_(n, W, w) \
2586 static PyObject *polymeth_hashbuf##w(PyObject *me, PyObject *arg) \
2590 if (!PyArg_ParseTuple(arg, "O&:hashbuf" #w, convbin, &in)) goto end; \
2591 if (in.sz > MASK##n) VALERR("too large"); \
2592 STORE##W(b, in.sz); poly1305_hash(P1305_CTX(me), b, sizeof(b)); \
2593 poly1305_hash(P1305_CTX(me), in.p, in.sz); \
2598 DOUINTCONV(POLYMETH_HASHBUF_
)
2600 static PyObject
*polymeth_hashstrz(PyObject
*me
, PyObject
*arg
)
2603 if (!PyArg_ParseTuple(arg
, "s:hashstrz", &p
)) return (0);
2604 poly1305_hash(P1305_CTX(me
), p
, strlen(p
) + 1);
2608 static PyObject
*polymeth_flush(PyObject
*me
)
2609 { poly1305_flush(P1305_CTX(me
)); RETURN_ME
; }
2611 static PyObject
*polymeth_flushzero(PyObject
*me
)
2612 { poly1305_flushzero(P1305_CTX(me
)); RETURN_ME
; }
2614 static PyObject
*polymeth_concat(PyObject
*me
, PyObject
*arg
)
2616 PyObject
*pre
, *suff
;
2617 if (!PyArg_ParseTuple(arg
, "OO:concat", &pre
, &suff
)) return (0);
2618 if (!PyObject_TypeCheck(pre
, poly1305hash_pytype
) ||
2619 !PyObject_TypeCheck(suff
, poly1305hash_pytype
))
2620 TYERR("wanted a poly1305hash");
2621 if (Py_TYPE(me
) != Py_TYPE(pre
) || Py_TYPE(me
) != Py_TYPE(suff
))
2622 TYERR("key mismatch");
2623 if (P1305_CTX(pre
)->nbuf
) VALERR("prefix is not block-aligned");
2624 poly1305_concat(P1305_CTX(me
), P1305_CTX(pre
), P1305_CTX(suff
));
2630 static PyObject
*polymeth_done(PyObject
*me
)
2633 if (!(P1305_F(me
) & f_mask
)) VALERR("no mask");
2634 rc
= bytestring_pywrap(0, POLY1305_TAGSZ
);
2635 poly1305_done(P1305_CTX(me
), BIN_PTR(rc
));
2641 static const PyGetSetDef poly1305cls_pygetset
[] = {
2642 #define GETSETNAME(op, name) poly1305cls##op##_##name
2643 GET (keysz
, "PC.keysz -> acceptable key sizes")
2644 GET (masksz
, "PC.masksz -> mask size")
2645 GET (tagsz
, "PC.tagsz -> MAC output size")
2646 GET (name
, "PC.name -> name of this kind of MAC")
2651 static PyObject
*poly1305get_name(PyObject
*me
, void *hunoz
)
2652 { RETURN_OBJ(((PyHeapTypeObject
*)poly1305key_pytype
)->ht_name
); }
2654 static PyObject
*poly1305get_tagsz(PyObject
*me
, void *hunoz
)
2655 { return (PyInt_FromLong(16)); }
2657 static const PyGetSetDef poly1305_pygetset
[] = {
2658 #define GETSETNAME(op, name) poly1305##op##_##name
2659 GET (tagsz
, "PK.tagsz -> MAC output size")
2660 GET (name
, "PK.name -> name of this kind of MAC")
2665 static const PyMethodDef poly1305hash_pymethods
[] = {
2666 #define METHNAME(name) polymeth_##name
2667 NAMETH(copy
, "P.copy() -> PP")
2668 METH (hash
, "P.hash(M)")
2669 #define METHU_(n, W, w) METH(hashu##w, "P.hashu" #w "(WORD)")
2672 #define METHBUF_(n, W, w) METH(hashbuf##w, "P.hashbuf" #w "(BYTES)")
2673 DOUINTCONV(METHBUF_
)
2675 METH (hashstrz
, "P.hashstrz(STRING)")
2676 NAMETH(flush
, "P.flush()")
2677 NAMETH(flushzero
, "P.flushzero()")
2678 METH (concat
, "P.concat(PREFIX, SUFFIX)")
2679 NAMETH(done
, "P.done() -> TAG")
2684 static const PyTypeObject poly1305cls_pytype_skel
= {
2685 PyVarObject_HEAD_INIT(0, 0) /* Header */
2686 "_Poly1305Class", /* @tp_name@ */
2687 sizeof(PyHeapTypeObject
), /* @tp_basicsize@ */
2688 0, /* @tp_itemsize@ */
2690 0, /* @tp_dealloc@ */
2692 0, /* @tp_getattr@ */
2693 0, /* @tp_setattr@ */
2694 0, /* @tp_compare@ */
2696 0, /* @tp_as_number@ */
2697 0, /* @tp_as_sequence@ */
2698 0, /* @tp_as_mapping@ */
2702 0, /* @tp_getattro@ */
2703 0, /* @tp_setattro@ */
2704 0, /* @tp_as_buffer@ */
2705 Py_TPFLAGS_DEFAULT
| /* @tp_flags@ */
2706 Py_TPFLAGS_BASETYPE
,
2709 "Poly1305 metametaclass. Best not to ask.",
2711 0, /* @tp_traverse@ */
2713 0, /* @tp_richcompare@ */
2714 0, /* @tp_weaklistoffset@ */
2716 0, /* @tp_iternext@ */
2717 0, /* @tp_methods@ */
2718 0, /* @tp_members@ */
2719 PYGETSET(poly1305cls
), /* @tp_getset@ */
2722 0, /* @tp_descr_get@ */
2723 0, /* @tp_descr_set@ */
2724 0, /* @tp_dictoffset@ */
2726 PyType_GenericAlloc
, /* @tp_alloc@ */
2727 abstract_pynew
, /* @tp_new@ */
2732 static const PyTypeObject poly1305key_pytype_skel
= {
2733 PyVarObject_HEAD_INIT(0, 0) /* Header */
2734 "poly1305", /* @tp_name@ */
2735 sizeof(poly1305key_pyobj
), /* @tp_basicsize@ */
2736 0, /* @tp_itemsize@ */
2738 0, /* @tp_dealloc@ */
2740 0, /* @tp_getattr@ */
2741 0, /* @tp_setattr@ */
2742 0, /* @tp_compare@ */
2744 0, /* @tp_as_number@ */
2745 0, /* @tp_as_sequence@ */
2746 0, /* @tp_as_mapping@ */
2750 0, /* @tp_getattro@ */
2751 0, /* @tp_setattro@ */
2752 0, /* @tp_as_buffer@ */
2753 Py_TPFLAGS_DEFAULT
| /* @tp_flags@ */
2754 Py_TPFLAGS_BASETYPE
,
2757 "poly1305(K): Poly1305 key.",
2759 0, /* @tp_traverse@ */
2761 0, /* @tp_richcompare@ */
2762 0, /* @tp_weaklistoffset@ */
2764 0, /* @tp_iternext@ */
2765 0, /* @tp_methods@ */
2766 0, /* @tp_members@ */
2767 PYGETSET(poly1305
), /* @tp_getset@ */
2770 0, /* @tp_descr_get@ */
2771 0, /* @tp_descr_set@ */
2772 0, /* @tp_dictoffset@ */
2774 PyType_GenericAlloc
, /* @tp_alloc@ */
2775 poly1305key_pynew
, /* @tp_new@ */
2780 static const PyTypeObject poly1305hash_pytype_skel
= {
2781 PyVarObject_HEAD_INIT(0, 0) /* Header */
2782 "Poly1305Hash", /* @tp_name@ */
2783 sizeof(poly1305hash_pyobj
), /* @tp_basicsize@ */
2784 0, /* @tp_itemsize@ */
2786 0, /* @tp_dealloc@ */
2788 0, /* @tp_getattr@ */
2789 0, /* @tp_setattr@ */
2790 0, /* @tp_compare@ */
2792 0, /* @tp_as_number@ */
2793 0, /* @tp_as_sequence@ */
2794 0, /* @tp_as_mapping@ */
2798 0, /* @tp_getattro@ */
2799 0, /* @tp_setattro@ */
2800 0, /* @tp_as_buffer@ */
2801 Py_TPFLAGS_DEFAULT
| /* @tp_flags@ */
2802 Py_TPFLAGS_BASETYPE
,
2805 "Poly1305 MAC context base class.",
2807 0, /* @tp_traverse@ */
2809 0, /* @tp_richcompare@ */
2810 0, /* @tp_weaklistoffset@ */
2812 0, /* @tp_iternext@ */
2813 PYMETHODS(poly1305hash
), /* @tp_methods@ */
2814 0, /* @tp_members@ */
2815 0, /* @tp_getset@ */
2818 0, /* @tp_descr_get@ */
2819 0, /* @tp_descr_set@ */
2820 0, /* @tp_dictoffset@ */
2822 PyType_GenericAlloc
, /* @tp_alloc@ */
2823 abstract_pynew
, /* @tp_new@ */
2828 /*----- Special snowflake for HSalsa and HChaCha --------------------------*/
2830 #define DEF_HDANCE(DANCE, HDANCE, dance, hdance) \
2831 static PyObject *meth_##hdance##_prf(PyObject *me, PyObject *arg) \
2833 dance##_ctx dance; \
2836 if (!PyArg_ParseTuple(arg, "O&O&:" #hdance "_prf", \
2837 convbin, &k, convbin, &n)) \
2839 if (k.sz != keysz(k.sz, dance##_keysz)) VALERR("bad key length"); \
2840 if (n.sz != HDANCE##_INSZ) VALERR("bad input length"); \
2841 rc = bytestring_pywrap(0, HSALSA20_OUTSZ); \
2842 dance##_init(&dance, k.p, k.sz, 0); \
2843 hdance##_prf(&dance, n.p, BIN_PTR(rc)); \
2849 DEF_HDANCE(SALSA20
, HSALSA20
, salsa20
, hsalsa20
)
2850 DEF_HDANCE(SALSA20
, HSALSA20
, salsa20
, hsalsa2012
)
2851 DEF_HDANCE(SALSA20
, HSALSA20
, salsa20
, hsalsa208
)
2853 DEF_HDANCE(CHACHA
, HCHACHA
, chacha
, hchacha20
)
2854 DEF_HDANCE(CHACHA
, HCHACHA
, chacha
, hchacha12
)
2855 DEF_HDANCE(CHACHA
, HCHACHA
, chacha
, hchacha8
)
2857 /*----- Keccak-p[1600, n] -------------------------------------------------*/
2859 static PyTypeObject
*kxvik_pytype
;
2861 typedef struct kxvik_pyobj
{
2867 static PyObject
*kxvik_pynew(PyTypeObject
*ty
, PyObject
*arg
, PyObject
*kw
)
2870 kxvik_pyobj
*rc
= 0;
2871 static const char *const kwlist
[] = { "nround", 0 };
2872 if (!PyArg_ParseTupleAndKeywords(arg
, kw
, "|O&:new", KWLIST
,
2875 rc
= (kxvik_pyobj
*)ty
->tp_alloc(ty
, 0);
2877 keccak1600_init(&rc
->s
);
2879 return ((PyObject
*)rc
);
2882 static PyObject
*kxvikmeth_copy(PyObject
*me
)
2884 kxvik_pyobj
*k
= (kxvik_pyobj
*)me
, *rc
= 0;
2885 rc
= (kxvik_pyobj
*)Py_TYPE(k
)->tp_alloc(Py_TYPE(k
), 0);
2886 rc
->s
= k
->s
; rc
->n
= k
->n
;
2887 return ((PyObject
*)rc
);
2890 static PyObject
*kxvikmeth_mix(PyObject
*me
, PyObject
*arg
)
2892 kxvik_pyobj
*k
= (kxvik_pyobj
*)me
;
2900 if (!PyArg_ParseTuple(arg
, "O&:mix", convbin
, &in
)) goto end
;
2901 if (in
.sz
> 200) VALERR("out of range");
2902 q
= in
.p
; n
= in
.sz
;
2904 while (n
> 8) { LOAD64_L_(t
[i
], q
); i
++; q
+= 8; n
-= 8; }
2906 memcpy(buf
, q
, n
); memset(buf
+ n
, 0, 8 - n
);
2907 LOAD64_L_(t
[i
], buf
); i
++;
2909 keccak1600_mix(&k
->s
, t
, i
);
2915 static PyObject
*kxvikmeth_set(PyObject
*me
, PyObject
*arg
)
2917 kxvik_pyobj
*k
= (kxvik_pyobj
*)me
;
2924 if (!PyArg_ParseTuple(arg
, "O&:set", convbin
, &in
)) goto end
;
2925 if (in
.sz
> 200) VALERR("out of range");
2926 q
= in
.p
; n
= in
.sz
;
2928 while (n
>= 8) { LOAD64_L_(t
[i
], q
); i
++; q
+= 8; n
-= 8; }
2929 if (n
) VALERR("not 64-bit aligned");
2930 keccak1600_set(&k
->s
, t
, i
);
2936 static PyObject
*kxvikmeth_extract(PyObject
*me
, PyObject
*arg
)
2938 kxvik_pyobj
*k
= (kxvik_pyobj
*)me
;
2945 if (!PyArg_ParseTuple(arg
, "O&:extract", convuint
, &n
)) goto end
;
2946 if (n
> 200) VALERR("out of range");
2947 rc
= bytestring_pywrap(0, n
);
2948 q
= (octet
*)BIN_PTR(rc
);
2949 keccak1600_extract(&k
->s
, t
, (n
+ 7)/8);
2951 while (n
> 8) { STORE64_L_(q
, t
[i
]); i
++; q
+= 8; n
-= 8; }
2952 if (n
) { STORE64_L_(buf
, t
[i
]); memcpy(q
, buf
, n
); }
2957 static PyObject
*kxvikmeth_step(PyObject
*me
)
2959 kxvik_pyobj
*k
= (kxvik_pyobj
*)me
;
2960 keccak1600_p(&k
->s
, &k
->s
, k
->n
);
2964 static const PyMemberDef kxvik_pymembers
[] = {
2965 #define MEMBERSTRUCT kxvik_pyobj
2966 MEMRNM(nround
, T_UINT
, n
, 0, "KECCAC.nround -> number of rounds")
2971 static const PyMethodDef kxvik_pymethods
[] = {
2972 #define METHNAME(func) kxvikmeth_##func
2973 NAMETH(copy
, "KECCAK.copy() -> KECCAK'")
2974 METH (mix
, "KECCAK.mix(DATA)")
2975 METH (set
, "KECCAK.set(DATA)")
2976 METH (extract
, "KECCAK.extract(NOCTETS)")
2977 NAMETH(step
, "KECCAK.step()")
2982 static const PyTypeObject kxvik_pytype_skel
= {
2983 PyVarObject_HEAD_INIT(0, 0) /* Header */
2984 "Keccak1600", /* @tp_name@ */
2985 sizeof(kxvik_pyobj
), /* @tp_basicsize@ */
2986 0, /* @tp_itemsize@ */
2988 0, /* @tp_dealloc@ */
2990 0, /* @tp_getattr@ */
2991 0, /* @tp_setattr@ */
2992 0, /* @tp_compare@ */
2994 0, /* @tp_as_number@ */
2995 0, /* @tp_as_sequence@ */
2996 0, /* @tp_as_mapping@ */
3000 0, /* @tp_getattro@ */
3001 0, /* @tp_setattro@ */
3002 0, /* @tp_as_buffer@ */
3003 Py_TPFLAGS_DEFAULT
| /* @tp_flags@ */
3004 Py_TPFLAGS_BASETYPE
,
3007 "Keccak1600([nround = 24]): Keccak-p[1600, n] state.",
3009 0, /* @tp_traverse@ */
3011 0, /* @tp_richcompare@ */
3012 0, /* @tp_weaklistoffset@ */
3014 0, /* @tp_iternext@ */
3015 PYMETHODS(kxvik
), /* @tp_methods@ */
3016 PYMEMBERS(kxvik
), /* @tp_members@ */
3017 0, /* @tp_getset@ */
3020 0, /* @tp_descr_get@ */
3021 0, /* @tp_descr_set@ */
3022 0, /* @tp_dictoffset@ */
3024 PyType_GenericAlloc
, /* @tp_alloc@ */
3025 kxvik_pynew
, /* @tp_new@ */
3030 static PyTypeObject
*shake_pytype
, *shake128_pytype
, *shake256_pytype
;
3032 typedef struct shake_pyobj
{
3038 #define SHAKE_H(o) (&((shake_pyobj *)(o))->h)
3039 #define SHAKE_ST(o) (((shake_pyobj *)(o))->st)
3041 static PyObject
*shake_dopynew(void (*initfn
)(shake_ctx
*,
3042 const void *, size_t,
3043 const void *, size_t),
3045 PyObject
*arg
, PyObject
*kw
)
3047 shake_pyobj
*rc
= 0;
3048 PyObject
*pobj
= Py_None
, *fobj
= Py_None
;
3049 struct bin p
= { 0, 0 }, f
= { 0, 0 };
3050 static const char *const kwlist
[] = { "perso", "func", 0 };
3052 if (!PyArg_ParseTupleAndKeywords(arg
, kw
, "|OO:new", KWLIST
, &pobj
, &fobj
))
3054 if (pobj
!= Py_None
&& !convbin(pobj
, &p
)) goto end
;
3055 if (fobj
!= Py_None
&& !convbin(fobj
, &f
)) goto end
;
3056 rc
= (shake_pyobj
*)ty
->tp_alloc(ty
, 0);
3057 initfn(&rc
->h
, f
.p
, f
.sz
, p
.p
, p
.sz
);
3060 return ((PyObject
*)rc
);
3063 static PyObject
*shake128_pynew(PyTypeObject
*ty
,
3064 PyObject
*arg
, PyObject
*kw
)
3065 { return (shake_dopynew(cshake128_init
, ty
, arg
, kw
)); }
3067 static PyObject
*shake256_pynew(PyTypeObject
*ty
,
3068 PyObject
*arg
, PyObject
*kw
)
3069 { return (shake_dopynew(cshake256_init
, ty
, arg
, kw
)); }
3071 static int shake_check(PyObject
*me
, int st
)
3073 if (SHAKE_ST(me
) != st
) VALERR("wrong state");
3079 static PyObject
*shakemeth_hash(PyObject
*me
, PyObject
*arg
)
3082 if (!PyArg_ParseTuple(arg
, "O&:hash", convbin
, &m
)) return (0);
3083 if (shake_check(me
, 0)) return (0);
3084 shake_hash(SHAKE_H(me
), m
.p
, m
.sz
);
3088 #define SHAKEMETH_HASHU_(n, W, w) \
3089 static PyObject *shakemeth_hashu##w(PyObject *me, PyObject *arg) \
3093 if (!PyArg_ParseTuple(arg, "O&:hashu" #w, convu##n, &x)) return (0); \
3094 if (shake_check(me, 0)) return (0); \
3095 STORE##W(b, x); shake_hash(SHAKE_H(me), b, sizeof(b)); \
3098 DOUINTCONV(SHAKEMETH_HASHU_
)
3100 #define SHAKEMETH_HASHBUF_(n, W, w) \
3101 static PyObject *shakemeth_hashbuf##w(PyObject *me, PyObject *arg) \
3105 if (!PyArg_ParseTuple(arg, "O&:hashbuf" #w, convbin, &in)) goto end; \
3106 if (in.sz > MASK##n) VALERR("too large"); \
3107 if (shake_check(me, 0)) goto end; \
3108 STORE##W(b, in.sz); shake_hash(SHAKE_H(me), b, sizeof(b)); \
3109 shake_hash(SHAKE_H(me), in.p, in.sz); \
3114 DOUINTCONV(SHAKEMETH_HASHBUF_
)
3116 static PyObject
*shakemeth_hashstrz(PyObject
*me
, PyObject
*arg
)
3119 if (!PyArg_ParseTuple(arg
, "s:hashstrz", &p
)) return (0);
3120 if (shake_check(me
, 0)) return (0);
3121 shake_hash(SHAKE_H(me
), p
, strlen(p
) + 1);
3125 static PyObject
*shakemeth_xof(PyObject
*me
)
3127 if (shake_check(me
, 0)) goto end
;
3128 shake_xof(SHAKE_H(me
));
3135 static PyObject
*shakemeth_done(PyObject
*me
, PyObject
*arg
, PyObject
*kw
)
3138 size_t n
= 100 - SHAKE_H(me
)->h
.r
/2;
3139 static const char *const kwlist
[] = { "hsz", 0 };
3140 if (!PyArg_ParseTupleAndKeywords(arg
, kw
, "|O&:done", KWLIST
, convszt
, &n
))
3142 if (shake_check(me
, 0)) goto end
;
3143 rc
= bytestring_pywrap(0, n
);
3144 shake_done(SHAKE_H(me
), BIN_PTR(rc
), n
);
3150 static PyObject
*shakemeth_copy(PyObject
*me
)
3152 shake_pyobj
*rc
= 0;
3154 rc
= PyObject_NEW(shake_pyobj
, Py_TYPE(me
));
3155 rc
->h
= *SHAKE_H(me
);
3156 rc
->st
= SHAKE_ST(me
);
3157 return ((PyObject
*)rc
);
3160 static PyObject
*shakemeth_get(PyObject
*me
, PyObject
*arg
)
3165 if (!PyArg_ParseTuple(arg
, "O&:get", convszt
, &sz
)) goto end
;
3166 if (shake_check(me
, 1)) goto end
;
3167 rc
= bytestring_pywrap(0, sz
);
3168 shake_get(SHAKE_H(me
), BIN_PTR(rc
), sz
);
3173 static PyObject
*shakemeth_mask(PyObject
*me
, PyObject
*arg
)
3178 if (!PyArg_ParseTuple(arg
, "O&:mask", convbin
, &in
)) goto end
;
3179 if (shake_check(me
, 1)) goto end
;
3180 rc
= bytestring_pywrap(0, in
.sz
);
3181 shake_mask(SHAKE_H(me
), in
.p
, BIN_PTR(rc
), in
.sz
);
3186 static PyObject
*shakeget_state(PyObject
*me
, void *hunoz
)
3188 int st
= SHAKE_ST(me
);
3189 return (TEXT_FROMSTR(st
== 0 ?
"absorb" :
3190 st
== 1 ?
"squeeze" : "dead"));
3193 static const PyMemberDef shake_pymembers
[] = {
3194 #define MEMBERSTRUCT shake_pyobj
3195 MEMRNM(rate
, T_UINT
, h
.h
.r
, READONLY
, "S.rate -> rate, in bytes")
3196 MEMRNM(buffered
, T_UINT
, h
.h
.n
, READONLY
,
3197 "S.buffered -> amount currently buffered")
3202 static const PyGetSetDef shake_pygetset
[] = {
3203 #define GETSETNAME(op, name) shake##op##_##name
3204 GET (state
, "S.state -> `absorb', `squeeze', `dead'")
3209 static const PyMethodDef shake_pymethods
[] = {
3210 #define METHNAME(func) shakemeth_##func
3211 NAMETH(copy
, "S.copy() -> SS")
3212 METH (hash
, "S.hash(M)")
3213 #define METHU_(n, W, w) METH(hashu##w, "S.hashu" #w "(WORD)")
3216 #define METHBUF_(n, W, w) METH(hashbuf##w, "S.hashbuf" #w "(BYTES)")
3217 DOUINTCONV(METHBUF_
)
3219 METH (hashstrz
, "S.hashstrz(STRING)")
3220 NAMETH(xof
, "S.xof()")
3221 KWMETH(done
, "S.done([hsz = CAP]) -> H")
3222 METH (get
, "S.get(LEN) -> H")
3223 METH (mask
, "S.mask(M) -> C")
3228 static const PyTypeObject shake_pytype_skel
= {
3229 PyVarObject_HEAD_INIT(0, 0) /* Header */
3230 "Shake", /* @tp_name@ */
3231 sizeof(shake_pyobj
), /* @tp_basicsize@ */
3232 0, /* @tp_itemsize@ */
3234 0, /* @tp_dealloc@ */
3236 0, /* @tp_getattr@ */
3237 0, /* @tp_setattr@ */
3238 0, /* @tp_compare@ */
3240 0, /* @tp_as_number@ */
3241 0, /* @tp_as_sequence@ */
3242 0, /* @tp_as_mapping@ */
3246 0, /* @tp_getattro@ */
3247 0, /* @tp_setattro@ */
3248 0, /* @tp_as_buffer@ */
3249 Py_TPFLAGS_DEFAULT
| /* @tp_flags@ */
3250 Py_TPFLAGS_BASETYPE
,
3253 "SHAKE/cSHAKE/KMAC base class.",
3255 0, /* @tp_traverse@ */
3257 0, /* @tp_richcompare@ */
3258 0, /* @tp_weaklistoffset@ */
3260 0, /* @tp_iternext@ */
3261 PYMETHODS(shake
), /* @tp_methods@ */
3262 PYMEMBERS(shake
), /* @tp_members@ */
3263 PYGETSET(shake
), /* @tp_getset@ */
3266 0, /* @tp_descr_get@ */
3267 0, /* @tp_descr_set@ */
3268 0, /* @tp_dictoffset@ */
3270 PyType_GenericAlloc
, /* @tp_alloc@ */
3271 abstract_pynew
, /* @tp_new@ */
3276 static const PyTypeObject shake128_pytype_skel
= {
3277 PyVarObject_HEAD_INIT(0, 0) /* Header */
3278 "Shake128", /* @tp_name@ */
3279 0, /* @tp_basicsize@ */
3280 0, /* @tp_itemsize@ */
3282 0, /* @tp_dealloc@ */
3284 0, /* @tp_getattr@ */
3285 0, /* @tp_setattr@ */
3286 0, /* @tp_compare@ */
3288 0, /* @tp_as_number@ */
3289 0, /* @tp_as_sequence@ */
3290 0, /* @tp_as_mapping@ */
3294 0, /* @tp_getattro@ */
3295 0, /* @tp_setattro@ */
3296 0, /* @tp_as_buffer@ */
3297 Py_TPFLAGS_DEFAULT
| /* @tp_flags@ */
3298 Py_TPFLAGS_BASETYPE
,
3301 "Shake128([perso = STR], [func = STR]): SHAKE128/cSHAKE128 XOF.",
3303 0, /* @tp_traverse@ */
3305 0, /* @tp_richcompare@ */
3306 0, /* @tp_weaklistoffset@ */
3308 0, /* @tp_iternext@ */
3309 0, /* @tp_methods@ */
3310 0, /* @tp_members@ */
3311 0, /* @tp_getset@ */
3314 0, /* @tp_descr_get@ */
3315 0, /* @tp_descr_set@ */
3316 0, /* @tp_dictoffset@ */
3318 PyType_GenericAlloc
, /* @tp_alloc@ */
3319 shake128_pynew
, /* @tp_new@ */
3324 static const PyTypeObject shake256_pytype_skel
= {
3325 PyVarObject_HEAD_INIT(0, 0) /* Header */
3326 "Shake256", /* @tp_name@ */
3327 0, /* @tp_basicsize@ */
3328 0, /* @tp_itemsize@ */
3330 0, /* @tp_dealloc@ */
3332 0, /* @tp_getattr@ */
3333 0, /* @tp_setattr@ */
3334 0, /* @tp_compare@ */
3336 0, /* @tp_as_number@ */
3337 0, /* @tp_as_sequence@ */
3338 0, /* @tp_as_mapping@ */
3342 0, /* @tp_getattro@ */
3343 0, /* @tp_setattro@ */
3344 0, /* @tp_as_buffer@ */
3345 Py_TPFLAGS_DEFAULT
| /* @tp_flags@ */
3346 Py_TPFLAGS_BASETYPE
,
3349 "Shake256([perso = STR], [func = STR]): SHAKE256/cSHAKE256 XOF.",
3351 0, /* @tp_traverse@ */
3353 0, /* @tp_richcompare@ */
3354 0, /* @tp_weaklistoffset@ */
3356 0, /* @tp_iternext@ */
3357 0, /* @tp_methods@ */
3358 0, /* @tp_members@ */
3359 0, /* @tp_getset@ */
3362 0, /* @tp_descr_get@ */
3363 0, /* @tp_descr_set@ */
3364 0, /* @tp_dictoffset@ */
3366 PyType_GenericAlloc
, /* @tp_alloc@ */
3367 shake256_pynew
, /* @tp_new@ */
3372 static PyTypeObject
*kmac_pytype
, *kmac128_pytype
, *kmac256_pytype
;
3374 static PyObject
*kmac_dopynew(void (*initfn
)(shake_ctx
*,
3375 const void *, size_t,
3376 const void *, size_t),
3378 PyObject
*arg
, PyObject
*kw
)
3380 shake_pyobj
*rc
= 0;
3381 PyObject
*pobj
= Py_None
;
3382 struct bin k
= { 0, 0 }, p
= { 0, 0 };
3383 static const char *const kwlist
[] = { "key", "perso", 0 };
3385 if (!PyArg_ParseTupleAndKeywords(arg
, kw
, "O&|O:new", KWLIST
,
3386 convbin
, &k
, &pobj
))
3388 if (pobj
!= Py_None
&& !convbin(pobj
, &p
)) goto end
;
3389 rc
= (shake_pyobj
*)ty
->tp_alloc(ty
, 0);
3390 initfn(&rc
->h
, p
.p
, p
.sz
, k
.p
, k
.sz
);
3393 return ((PyObject
*)rc
);
3396 static PyObject
*kmac128_pynew(PyTypeObject
*ty
,
3397 PyObject
*arg
, PyObject
*kw
)
3398 { return (kmac_dopynew(kmac128_init
, ty
, arg
, kw
)); }
3400 static PyObject
*kmac256_pynew(PyTypeObject
*ty
,
3401 PyObject
*arg
, PyObject
*kw
)
3402 { return (kmac_dopynew(kmac256_init
, ty
, arg
, kw
)); }
3404 static PyObject
*kmacmeth_xof(PyObject
*me
)
3406 if (shake_check(me
, 0)) goto end
;
3407 kmac_xof(SHAKE_H(me
));
3414 static PyObject
*kmacmeth_done(PyObject
*me
, PyObject
*arg
, PyObject
*kw
)
3417 size_t n
= 100 - SHAKE_H(me
)->h
.r
/2;
3418 static const char *const kwlist
[] = { "hsz", 0 };
3419 if (!PyArg_ParseTupleAndKeywords(arg
, kw
, "|O&:done", KWLIST
, convszt
, &n
))
3421 if (shake_check(me
, 0)) goto end
;
3422 rc
= bytestring_pywrap(0, n
);
3423 kmac_done(SHAKE_H(me
), BIN_PTR(rc
), n
);
3429 static const PyMethodDef kmac_pymethods
[] = {
3430 #define METHNAME(func) kmacmeth_##func
3431 NAMETH(xof
, "K.xof()")
3432 KWMETH(done
, "K.done([hsz = CAP/2]) -> T")
3437 static const PyTypeObject kmac_pytype_skel
= {
3438 PyVarObject_HEAD_INIT(0, 0) /* Header */
3439 "KMAC", /* @tp_name@ */
3440 sizeof(shake_pyobj
), /* @tp_basicsize@ */
3441 0, /* @tp_itemsize@ */
3443 0, /* @tp_dealloc@ */
3445 0, /* @tp_getattr@ */
3446 0, /* @tp_setattr@ */
3447 0, /* @tp_compare@ */
3449 0, /* @tp_as_number@ */
3450 0, /* @tp_as_sequence@ */
3451 0, /* @tp_as_mapping@ */
3455 0, /* @tp_getattro@ */
3456 0, /* @tp_setattro@ */
3457 0, /* @tp_as_buffer@ */
3458 Py_TPFLAGS_DEFAULT
| /* @tp_flags@ */
3459 Py_TPFLAGS_BASETYPE
,
3464 0, /* @tp_traverse@ */
3466 0, /* @tp_richcompare@ */
3467 0, /* @tp_weaklistoffset@ */
3469 0, /* @tp_iternext@ */
3470 PYMETHODS(kmac
), /* @tp_methods@ */
3471 0, /* @tp_members@ */
3472 0, /* @tp_getset@ */
3475 0, /* @tp_descr_get@ */
3476 0, /* @tp_descr_set@ */
3477 0, /* @tp_dictoffset@ */
3479 PyType_GenericAlloc
, /* @tp_alloc@ */
3480 abstract_pynew
, /* @tp_new@ */
3485 static const PyTypeObject kmac128_pytype_skel
= {
3486 PyVarObject_HEAD_INIT(0, 0) /* Header */
3487 "KMAC128", /* @tp_name@ */
3488 0, /* @tp_basicsize@ */
3489 0, /* @tp_itemsize@ */
3491 0, /* @tp_dealloc@ */
3493 0, /* @tp_getattr@ */
3494 0, /* @tp_setattr@ */
3495 0, /* @tp_compare@ */
3497 0, /* @tp_as_number@ */
3498 0, /* @tp_as_sequence@ */
3499 0, /* @tp_as_mapping@ */
3503 0, /* @tp_getattro@ */
3504 0, /* @tp_setattro@ */
3505 0, /* @tp_as_buffer@ */
3506 Py_TPFLAGS_DEFAULT
| /* @tp_flags@ */
3507 Py_TPFLAGS_BASETYPE
,
3510 "KMAC128(KEY, [perso = STR]): KMAC XOMAC.",
3512 0, /* @tp_traverse@ */
3514 0, /* @tp_richcompare@ */
3515 0, /* @tp_weaklistoffset@ */
3517 0, /* @tp_iternext@ */
3518 0, /* @tp_methods@ */
3519 0, /* @tp_members@ */
3520 0, /* @tp_getset@ */
3523 0, /* @tp_descr_get@ */
3524 0, /* @tp_descr_set@ */
3525 0, /* @tp_dictoffset@ */
3527 PyType_GenericAlloc
, /* @tp_alloc@ */
3528 kmac128_pynew
, /* @tp_new@ */
3533 static const PyTypeObject kmac256_pytype_skel
= {
3534 PyVarObject_HEAD_INIT(0, 0) /* Header */
3535 "KMAC256", /* @tp_name@ */
3536 0, /* @tp_basicsize@ */
3537 0, /* @tp_itemsize@ */
3539 0, /* @tp_dealloc@ */
3541 0, /* @tp_getattr@ */
3542 0, /* @tp_setattr@ */
3543 0, /* @tp_compare@ */
3545 0, /* @tp_as_number@ */
3546 0, /* @tp_as_sequence@ */
3547 0, /* @tp_as_mapping@ */
3551 0, /* @tp_getattro@ */
3552 0, /* @tp_setattro@ */
3553 0, /* @tp_as_buffer@ */
3554 Py_TPFLAGS_DEFAULT
| /* @tp_flags@ */
3555 Py_TPFLAGS_BASETYPE
,
3558 "KMAC256(KEY, [perso = STR]): KMAC XOMAC.",
3560 0, /* @tp_traverse@ */
3562 0, /* @tp_richcompare@ */
3563 0, /* @tp_weaklistoffset@ */
3565 0, /* @tp_iternext@ */
3566 0, /* @tp_methods@ */
3567 0, /* @tp_members@ */
3568 0, /* @tp_getset@ */
3571 0, /* @tp_descr_get@ */
3572 0, /* @tp_descr_set@ */
3573 0, /* @tp_dictoffset@ */
3575 PyType_GenericAlloc
, /* @tp_alloc@ */
3576 kmac256_pynew
, /* @tp_new@ */
3581 /*----- Pseudorandom permutations -----------------------------------------*/
3583 static PyTypeObject
*gcprp_pytype
, *gprp_pytype
;
3585 typedef struct prpinfo
{
3590 void (*init
)(void *, const void *, size_t);
3591 void (*eblk
)(void *, const void *, void *);
3592 void (*dblk
)(void *, const void *, void *);
3595 #define PRP_DEF(PRE, pre) \
3596 static void pre##_prpinit(void *ctx, const void *k, size_t ksz) \
3597 { pre##_init(ctx, k, ksz); } \
3598 static void pre##_prpeblk(void *ctx, const void *in, void *out) \
3600 uint32 w[PRE##_BLKSZ/4]; BLKC_LOAD(PRE, w, in); \
3601 pre##_eblk(ctx, w, w); BLKC_STORE(PRE, out, w); \
3603 static void pre##_prpdblk(void *ctx, const void *in, void *out) \
3605 uint32 w[PRE##_BLKSZ/4]; BLKC_LOAD(PRE, w, in); \
3606 pre##_dblk(ctx, w, w); BLKC_STORE(PRE, out, w); \
3608 static const prpinfo pre##_prpinfo = { \
3609 #pre, pre##_keysz, sizeof(pre##_ctx), PRE##_BLKSZ, \
3610 pre##_prpinit, pre##_prpeblk, pre##_prpdblk \
3614 static const struct prpinfo
*const gprptab
[] = {
3615 #define PRP_ENTRY(PRE, pre) &pre##_prpinfo,
3620 typedef struct gcprp_pyobj
{
3621 PyHeapTypeObject ty
;
3624 #define GCPRP_PRP(o) (((gcprp_pyobj *)(o))->prp)
3626 typedef struct gprp_pyobj
{
3630 #define GPRP_PRP(o) (((gprp_pyobj *)(o))->prp)
3631 #define GPRP_CTX(o) (((gprp_pyobj *)(o)) + 1)
3633 typedef struct prp
{
3638 static PyObject
*gprp_pynew(PyTypeObject
*ty
, PyObject
*arg
, PyObject
*kw
)
3640 static const char *const kwlist
[] = { "key", 0 };
3642 const prpinfo
*prp
= GCPRP_PRP(ty
);
3645 if (!PyArg_ParseTupleAndKeywords(arg
, kw
, "O&:new", KWLIST
, convbin
, &k
))
3647 if (keysz(k
.sz
, prp
->keysz
) != k
.sz
) VALERR("bad key length");
3648 me
= (PyObject
*)ty
->tp_alloc(ty
, 0);
3650 prp
->init(GPRP_CTX(me
), k
.p
, k
.sz
);
3656 static void gprp_pydealloc(PyObject
*me
)
3657 { Py_DECREF(Py_TYPE(me
)); FREEOBJ(me
); }
3659 static PyObject
*gcprp_pywrap(const prpinfo
*prp
)
3661 gcprp_pyobj
*g
= newtype(gcprp_pytype
, 0, prp
->name
);
3663 g
->ty
.ht_type
.tp_basicsize
= sizeof(gprp_pyobj
) + prp
->ctxsz
;
3664 g
->ty
.ht_type
.tp_base
= gprp_pytype
;
3665 Py_INCREF(gprp_pytype
);
3666 g
->ty
.ht_type
.tp_flags
= (Py_TPFLAGS_DEFAULT
|
3667 Py_TPFLAGS_BASETYPE
|
3668 Py_TPFLAGS_HEAPTYPE
);
3669 g
->ty
.ht_type
.tp_alloc
= PyType_GenericAlloc
;
3670 g
->ty
.ht_type
.tp_free
= 0;
3671 g
->ty
.ht_type
.tp_new
= gprp_pynew
;
3672 typeready(&g
->ty
.ht_type
);
3673 return ((PyObject
*)g
);
3676 static PyObject
*gcpget_name(PyObject
*me
, void *hunoz
)
3677 { return (TEXT_FROMSTR(GCPRP_PRP(me
)->name
)); }
3678 static PyObject
*gcpget_keysz(PyObject
*me
, void *hunoz
)
3679 { return (keysz_pywrap(GCPRP_PRP(me
)->keysz
)); }
3680 static PyObject
*gcpget_blksz(PyObject
*me
, void *hunoz
)
3681 { return (PyInt_FromLong(GCPRP_PRP(me
)->blksz
)); }
3683 static PyObject
*gpmeth_encrypt(PyObject
*me
, PyObject
*arg
)
3688 if (!PyArg_ParseTuple(arg
, "O&:encrypt", convbin
, &m
)) goto end
;
3689 if (m
.sz
!= GPRP_PRP(me
)->blksz
) VALERR("incorrect block length");
3690 rc
= bytestring_pywrap(0, m
.sz
);
3691 GPRP_PRP(me
)->eblk(GPRP_CTX(me
), m
.p
, BIN_PTR(rc
));
3696 static PyObject
*gpmeth_decrypt(PyObject
*me
, PyObject
*arg
)
3701 if (!PyArg_ParseTuple(arg
, "O&:decrypt", convbin
, &c
)) goto end
;
3702 if (c
.sz
!= GPRP_PRP(me
)->blksz
) VALERR("incorrect block length");
3703 rc
= bytestring_pywrap(0, c
.sz
);
3704 GPRP_PRP(me
)->dblk(GPRP_CTX(me
), c
.p
, BIN_PTR(rc
));
3709 static const PyGetSetDef gcprp_pygetset
[] = {
3710 #define GETSETNAME(op, name) gcp##op##_##name
3711 GET (keysz
, "CP.keysz -> acceptable key sizes")
3712 GET (blksz
, "CP.blksz -> block size")
3713 GET (name
, "CP.name -> name of this kind of PRP")
3718 static const PyMethodDef gprp_pymethods
[] = {
3719 #define METHNAME(name) gpmeth_##name
3720 METH (encrypt
, "P.encrypt(PT) -> CT")
3721 METH (decrypt
, "P.decrypt(CT) -> PT")
3726 static const PyTypeObject gcprp_pytype_skel
= {
3727 PyVarObject_HEAD_INIT(0, 0) /* Header */
3728 "GCPRP", /* @tp_name@ */
3729 sizeof(gcprp_pyobj
), /* @tp_basicsize@ */
3730 0, /* @tp_itemsize@ */
3732 0, /* @tp_dealloc@ */
3734 0, /* @tp_getattr@ */
3735 0, /* @tp_setattr@ */
3736 0, /* @tp_compare@ */
3738 0, /* @tp_as_number@ */
3739 0, /* @tp_as_sequence@ */
3740 0, /* @tp_as_mapping@ */
3744 0, /* @tp_getattro@ */
3745 0, /* @tp_setattro@ */
3746 0, /* @tp_as_buffer@ */
3747 Py_TPFLAGS_DEFAULT
| /* @tp_flags@ */
3748 Py_TPFLAGS_BASETYPE
,
3751 "Pseudorandom permutation metaclass.",
3753 0, /* @tp_traverse@ */
3755 0, /* @tp_richcompare@ */
3756 0, /* @tp_weaklistoffset@ */
3758 0, /* @tp_iternext@ */
3759 0, /* @tp_methods@ */
3760 0, /* @tp_members@ */
3761 PYGETSET(gcprp
), /* @tp_getset@ */
3764 0, /* @tp_descr_get@ */
3765 0, /* @tp_descr_set@ */
3766 0, /* @tp_dictoffset@ */
3768 PyType_GenericAlloc
, /* @tp_alloc@ */
3769 abstract_pynew
, /* @tp_new@ */
3774 static const PyTypeObject gprp_pytype_skel
= {
3775 PyVarObject_HEAD_INIT(0, 0) /* Header */
3776 "GPRP", /* @tp_name@ */
3777 sizeof(gprp_pyobj
), /* @tp_basicsize@ */
3778 0, /* @tp_itemsize@ */
3780 gprp_pydealloc
, /* @tp_dealloc@ */
3782 0, /* @tp_getattr@ */
3783 0, /* @tp_setattr@ */
3784 0, /* @tp_compare@ */
3786 0, /* @tp_as_number@ */
3787 0, /* @tp_as_sequence@ */
3788 0, /* @tp_as_mapping@ */
3792 0, /* @tp_getattro@ */
3793 0, /* @tp_setattro@ */
3794 0, /* @tp_as_buffer@ */
3795 Py_TPFLAGS_DEFAULT
| /* @tp_flags@ */
3796 Py_TPFLAGS_BASETYPE
,
3799 "Pseudorandom permutation, abstract base class.",
3801 0, /* @tp_traverse@ */
3803 0, /* @tp_richcompare@ */
3804 0, /* @tp_weaklistoffset@ */
3806 0, /* @tp_iternext@ */
3807 PYMETHODS(gprp
), /* @tp_methods@ */
3808 0, /* @tp_members@ */
3809 0, /* @tp_getset@ */
3812 0, /* @tp_descr_get@ */
3813 0, /* @tp_descr_set@ */
3814 0, /* @tp_dictoffset@ */
3816 PyType_GenericAlloc
, /* @tp_alloc@ */
3817 abstract_pynew
, /* @tp_new@ */
3822 /*----- Main code ---------------------------------------------------------*/
3824 static const struct nameval consts
[] = {
3825 CONST(AEADF_PCHSZ
), CONST(AEADF_PCMSZ
), CONST(AEADF_PCTSZ
),
3826 CONST(AEADF_AADNDEP
), CONST(AEADF_AADFIRST
), CONST(AEADF_NOAAD
),
3830 static const PyMethodDef methods
[] = {
3831 #define METHNAME(func) meth_##func
3832 #define METH_HDANCE(hdance, HDance) METH(hdance##_prf, \
3833 "" #hdance "_prf(K, N) -> H: calculate " HDance " hash of N with K")
3834 METH_HDANCE(hsalsa20
, "HSalsa20")
3835 METH_HDANCE(hsalsa2012
, "HSalsa20/12")
3836 METH_HDANCE(hsalsa208
, "HSalsa20/8")
3837 METH_HDANCE(hchacha20
, "HChaCha20")
3838 METH_HDANCE(hchacha12
, "HChaCha12")
3839 METH_HDANCE(hchacha8
, "HChaCha8")
3845 void algorithms_pyinit(void)
3847 INITTYPE(keysz
, root
);
3848 INITTYPE(keyszany
, keysz
);
3849 INITTYPE(keyszrange
, keysz
);
3850 INITTYPE(keyszset
, keysz
);
3851 INITTYPE(gccipher
, type
);
3852 INITTYPE(gcipher
, root
);
3853 INITTYPE(gcaead
, type
);
3854 INITTYPE(gaeadkey
, root
);
3855 INITTYPE(gcaeadaad
, type
);
3856 INITTYPE(gaeadaad
, root
);
3857 INITTYPE(gcaeadenc
, type
);
3858 INITTYPE(gaeadenc
, root
);
3859 INITTYPE(gcaeaddec
, type
);
3860 INITTYPE(gaeaddec
, root
);
3861 INITTYPE(gchash
, type
);
3862 INITTYPE(ghash
, root
);
3863 INITTYPE(gcmac
, type
);
3864 INITTYPE(gmac
, type
);
3865 INITTYPE(gmhash
, ghash
);
3866 INITTYPE(poly1305cls
, type
);
3867 INITTYPE_META(poly1305key
, type
, poly1305cls
);
3868 INITTYPE(poly1305hash
, root
);
3869 INITTYPE(kxvik
, root
);
3870 INITTYPE(shake
, root
);
3871 INITTYPE(shake128
, shake
);
3872 INITTYPE(shake256
, shake
);
3873 INITTYPE(kmac
, shake
);
3874 INITTYPE(kmac128
, kmac
);
3875 INITTYPE(kmac256
, kmac
);
3876 INITTYPE(gcprp
, type
);
3877 INITTYPE(gprp
, root
);
3878 addmethods(methods
);
3881 #define gcprp prpinfo
3882 #define CLASS_TABLES(_) _(cipher) _(aead) _(hash) _(mac) _(prp)
3883 #define TABLE_FNS(pre) \
3884 static const char *pre##_namefn(const void *p) \
3885 { const gc##pre *const *cls = p; return (*cls ? (*cls)->name : 0); } \
3886 static PyObject *pre##_valfn(const void *p) \
3887 { gc##pre *const*cls = p; return (gc##pre##_pywrap(*cls)); }
3888 CLASS_TABLES(TABLE_FNS
)
3890 void algorithms_pyinsert(PyObject
*mod
)
3893 INSERT("KeySZ", keysz_pytype
);
3894 INSERT("KeySZAny", keyszany_pytype
);
3895 INSERT("KeySZRange", keyszrange_pytype
);
3896 INSERT("KeySZSet", keyszset_pytype
);
3897 INSERT("GCCipher", gccipher_pytype
);
3898 INSERT("GCipher", gcipher_pytype
);
3899 INSERT("gcciphers", make_algtab(gciphertab
, sizeof(gccipher
*),
3900 cipher_namefn
, cipher_valfn
));
3901 INSERT("GCAEAD", gcaead_pytype
);
3902 INSERT("GAEKey", gaeadkey_pytype
);
3903 INSERT("GAEAADClass", gcaeadaad_pytype
);
3904 INSERT("GAEAAD", gaeadaad_pytype
);
3905 INSERT("GAEEncClass", gcaeadenc_pytype
);
3906 INSERT("GAEEnc", gaeadenc_pytype
);
3907 INSERT("GAEDecClass", gcaeaddec_pytype
);
3908 INSERT("GAEDec", gaeaddec_pytype
);
3909 INSERT("gcaeads", make_algtab(gaeadtab
, sizeof(gcaead
*),
3910 aead_namefn
, aead_valfn
));
3911 INSERT("GCHash", gchash_pytype
);
3912 INSERT("GHash", ghash_pytype
);
3913 d
= make_algtab(ghashtab
, sizeof(gchash
*), hash_namefn
, hash_valfn
);
3914 INSERT("gchashes", d
);
3915 sha_pyobj
= PyMapping_GetItemString(d
, "sha"); Py_INCREF(sha_pyobj
);
3916 has160_pyobj
= PyMapping_GetItemString(d
, "has160"); Py_INCREF(has160_pyobj
);
3917 INSERT("GCMAC", gcmac_pytype
);
3918 INSERT("GMAC", gmac_pytype
);
3919 INSERT("GMACHash", gmhash_pytype
);
3920 INSERT("gcmacs", make_algtab(gmactab
, sizeof(gcmac
*),
3921 mac_namefn
, mac_valfn
));
3922 INSERT("_Poly1305Class", poly1305cls_pytype
);
3923 INSERT("poly1305", poly1305key_pytype
);
3924 INSERT("Poly1305Hash", poly1305hash_pytype
);
3925 INSERT("Keccak1600", kxvik_pytype
);
3926 INSERT("Shake", shake_pytype
);
3927 INSERT("Shake128", shake128_pytype
);
3928 INSERT("Shake256", shake256_pytype
);
3929 INSERT("KMAC", kmac_pytype
);
3930 INSERT("KMAC128", kmac128_pytype
);
3931 INSERT("KMAC256", kmac256_pytype
);
3932 INSERT("GCPRP", gcprp_pytype
);
3933 INSERT("GPRP", gprp_pytype
);
3934 INSERT("gcprps", make_algtab(gprptab
, sizeof(gcprp
*),
3935 prp_namefn
, prp_valfn
));
3936 setconstants(mod
, consts
);
3939 /*----- That's all, folks -------------------------------------------------*/