diff options
author | Paul Sokolovsky <pfalcon@users.sourceforge.net> | 2014-11-22 01:19:13 +0200 |
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committer | Paul Sokolovsky <pfalcon@users.sourceforge.net> | 2014-11-22 14:47:46 +0200 |
commit | f4b19c873f2b026aa3d0d5c880d0605c9a40f38f (patch) | |
tree | 4b8f9a72faf267fcef94142ac85abb91aa85a172 /extmod/moduhashlib.c | |
parent | df242facdcd0702bb7ae8c005eb8e8bcac5255f9 (diff) |
moduhashlib: Initial module skeleton.
Diffstat (limited to 'extmod/moduhashlib.c')
-rw-r--r-- | extmod/moduhashlib.c | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/extmod/moduhashlib.c b/extmod/moduhashlib.c new file mode 100644 index 000000000..bdc2529c1 --- /dev/null +++ b/extmod/moduhashlib.c @@ -0,0 +1,108 @@ +/* + * This file is part of the Micro Python project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2014 Paul Sokolovsky + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#include <assert.h> +#include <string.h> + +#include "mpconfig.h" +#include "nlr.h" +#include "misc.h" +#include "qstr.h" +#include "obj.h" +#include "runtime.h" + +#if MICROPY_PY_UHASHLIB + +typedef struct _mp_obj_hash_t { + mp_obj_base_t base; + char state[0]; +} mp_obj_hash_t; + +STATIC mp_obj_t hash_update(mp_obj_t self_in, mp_obj_t arg); + +STATIC mp_obj_t hash_make_new(mp_obj_t type_in, mp_uint_t n_args, mp_uint_t n_kw, const mp_obj_t *args) { + mp_arg_check_num(n_args, n_kw, 0, 1, false); + mp_obj_hash_t *o = m_new_obj_var(mp_obj_hash_t, char, 0); + o->base.type = type_in; + if (n_args == 1) { + hash_update(o, args[0]); + } + return o; +} + +STATIC mp_obj_t hash_update(mp_obj_t self_in, mp_obj_t arg) { + return mp_const_none; +} +MP_DEFINE_CONST_FUN_OBJ_2(hash_update_obj, hash_update); + +STATIC mp_obj_t hash_digest(mp_obj_t self_in) { + return mp_obj_new_bytes((const byte*)"\0\0\0\0", 4); +} +MP_DEFINE_CONST_FUN_OBJ_1(hash_digest_obj, hash_digest); + +STATIC mp_obj_t hash_hexdigest(mp_obj_t self_in) { + return mp_obj_new_str("00000000", 8, false); +} +MP_DEFINE_CONST_FUN_OBJ_1(hash_hexdigest_obj, hash_hexdigest); + +STATIC const mp_map_elem_t hash_locals_dict_table[] = { + { MP_OBJ_NEW_QSTR(MP_QSTR_update), (mp_obj_t) &hash_update_obj }, + { MP_OBJ_NEW_QSTR(MP_QSTR_digest), (mp_obj_t) &hash_digest_obj }, + { MP_OBJ_NEW_QSTR(MP_QSTR_hexdigest), (mp_obj_t) &hash_hexdigest_obj }, +}; + +STATIC MP_DEFINE_CONST_DICT(hash_locals_dict, hash_locals_dict_table); + +STATIC const mp_obj_type_t sha256_type = { + { &mp_type_type }, + .name = MP_QSTR_sha256, + .make_new = hash_make_new, + .locals_dict = (mp_obj_t)&hash_locals_dict, +}; + +STATIC const mp_map_elem_t mp_module_hashlib_globals_table[] = { + { MP_OBJ_NEW_QSTR(MP_QSTR___name__), MP_OBJ_NEW_QSTR(MP_QSTR_uhashlib) }, + { MP_OBJ_NEW_QSTR(MP_QSTR_sha256), (mp_obj_t)&sha256_type }, +}; + +STATIC const mp_obj_dict_t mp_module_hashlib_globals = { + .base = {&mp_type_dict}, + .map = { + .all_keys_are_qstrs = 1, + .table_is_fixed_array = 1, + .used = MP_ARRAY_SIZE(mp_module_hashlib_globals_table), + .alloc = MP_ARRAY_SIZE(mp_module_hashlib_globals_table), + .table = (mp_map_elem_t*)mp_module_hashlib_globals_table, + }, +}; + +const mp_obj_module_t mp_module_uhashlib = { + .base = { &mp_type_module }, + .name = MP_QSTR_uhashlib, + .globals = (mp_obj_dict_t*)&mp_module_hashlib_globals, +}; + +#endif //MICROPY_PY_UHASHLIB |