7413b3ce3e
The SHA1 hashing functionality is provided via the "axtls" library's implementation, and hence is unavailable when the "axtls" library is not being used. This change provides the same SHA1 hashing functionality when using the "mbedtls" library by using its implementation instead.
214 lines
6.8 KiB
C
214 lines
6.8 KiB
C
/*
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* This file is part of the MicroPython project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2014 Paul Sokolovsky
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include <assert.h>
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#include <string.h>
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#include "py/runtime.h"
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#if MICROPY_PY_UHASHLIB
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#include "crypto-algorithms/sha256.h"
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#if MICROPY_PY_UHASHLIB_SHA1
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#if MICROPY_SSL_AXTLS
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#include "lib/axtls/crypto/crypto.h"
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#endif
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#if MICROPY_SSL_MBEDTLS
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#include "mbedtls/sha1.h"
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#endif
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#endif
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typedef struct _mp_obj_hash_t {
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mp_obj_base_t base;
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char state[0];
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} mp_obj_hash_t;
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STATIC mp_obj_t hash_update(mp_obj_t self_in, mp_obj_t arg);
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STATIC mp_obj_t hash_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_kw, const mp_obj_t *args) {
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mp_arg_check_num(n_args, n_kw, 0, 1, false);
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mp_obj_hash_t *o = m_new_obj_var(mp_obj_hash_t, char, sizeof(CRYAL_SHA256_CTX));
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o->base.type = type;
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sha256_init((CRYAL_SHA256_CTX*)o->state);
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if (n_args == 1) {
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hash_update(MP_OBJ_FROM_PTR(o), args[0]);
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}
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return MP_OBJ_FROM_PTR(o);
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}
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#if MICROPY_PY_UHASHLIB_SHA1
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STATIC mp_obj_t sha1_update(mp_obj_t self_in, mp_obj_t arg);
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#if MICROPY_SSL_AXTLS
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STATIC mp_obj_t sha1_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_kw, const mp_obj_t *args) {
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mp_arg_check_num(n_args, n_kw, 0, 1, false);
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mp_obj_hash_t *o = m_new_obj_var(mp_obj_hash_t, char, sizeof(SHA1_CTX));
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o->base.type = type;
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SHA1_Init((SHA1_CTX*)o->state);
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if (n_args == 1) {
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sha1_update(MP_OBJ_FROM_PTR(o), args[0]);
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}
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return MP_OBJ_FROM_PTR(o);
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}
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#endif
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#if MICROPY_SSL_MBEDTLS
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STATIC mp_obj_t sha1_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_kw, const mp_obj_t *args) {
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mp_arg_check_num(n_args, n_kw, 0, 1, false);
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mp_obj_hash_t *o = m_new_obj_var(mp_obj_hash_t, char, sizeof(mbedtls_sha1_context));
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o->base.type = type;
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mbedtls_sha1_init((mbedtls_sha1_context*)o->state);
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mbedtls_sha1_starts((mbedtls_sha1_context*)o->state);
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if (n_args == 1) {
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sha1_update(MP_OBJ_FROM_PTR(o), args[0]);
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}
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return MP_OBJ_FROM_PTR(o);
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}
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#endif
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#endif
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STATIC mp_obj_t hash_update(mp_obj_t self_in, mp_obj_t arg) {
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mp_obj_hash_t *self = MP_OBJ_TO_PTR(self_in);
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mp_buffer_info_t bufinfo;
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mp_get_buffer_raise(arg, &bufinfo, MP_BUFFER_READ);
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sha256_update((CRYAL_SHA256_CTX*)self->state, bufinfo.buf, bufinfo.len);
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return mp_const_none;
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}
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MP_DEFINE_CONST_FUN_OBJ_2(hash_update_obj, hash_update);
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#if MICROPY_PY_UHASHLIB_SHA1
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#if MICROPY_SSL_AXTLS
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STATIC mp_obj_t sha1_update(mp_obj_t self_in, mp_obj_t arg) {
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mp_obj_hash_t *self = MP_OBJ_TO_PTR(self_in);
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mp_buffer_info_t bufinfo;
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mp_get_buffer_raise(arg, &bufinfo, MP_BUFFER_READ);
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SHA1_Update((SHA1_CTX*)self->state, bufinfo.buf, bufinfo.len);
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return mp_const_none;
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}
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#endif
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#if MICROPY_SSL_MBEDTLS
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STATIC mp_obj_t sha1_update(mp_obj_t self_in, mp_obj_t arg) {
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mp_obj_hash_t *self = MP_OBJ_TO_PTR(self_in);
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mp_buffer_info_t bufinfo;
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mp_get_buffer_raise(arg, &bufinfo, MP_BUFFER_READ);
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mbedtls_sha1_update((mbedtls_sha1_context*)self->state, bufinfo.buf, bufinfo.len);
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return mp_const_none;
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}
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#endif
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MP_DEFINE_CONST_FUN_OBJ_2(sha1_update_obj, sha1_update);
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#endif
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STATIC mp_obj_t hash_digest(mp_obj_t self_in) {
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mp_obj_hash_t *self = MP_OBJ_TO_PTR(self_in);
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vstr_t vstr;
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vstr_init_len(&vstr, SHA256_BLOCK_SIZE);
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sha256_final((CRYAL_SHA256_CTX*)self->state, (byte*)vstr.buf);
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return mp_obj_new_str_from_vstr(&mp_type_bytes, &vstr);
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}
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MP_DEFINE_CONST_FUN_OBJ_1(hash_digest_obj, hash_digest);
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#if MICROPY_PY_UHASHLIB_SHA1
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#if MICROPY_SSL_AXTLS
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STATIC mp_obj_t sha1_digest(mp_obj_t self_in) {
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mp_obj_hash_t *self = MP_OBJ_TO_PTR(self_in);
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vstr_t vstr;
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vstr_init_len(&vstr, SHA1_SIZE);
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SHA1_Final((byte*)vstr.buf, (SHA1_CTX*)self->state);
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return mp_obj_new_str_from_vstr(&mp_type_bytes, &vstr);
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}
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#endif
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#if MICROPY_SSL_MBEDTLS
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STATIC mp_obj_t sha1_digest(mp_obj_t self_in) {
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mp_obj_hash_t *self = MP_OBJ_TO_PTR(self_in);
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vstr_t vstr;
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vstr_init_len(&vstr, 20);
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mbedtls_sha1_finish((mbedtls_sha1_context*)self->state, (byte*)vstr.buf);
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mbedtls_sha1_free((mbedtls_sha1_context*)self->state);
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return mp_obj_new_str_from_vstr(&mp_type_bytes, &vstr);
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}
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#endif
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MP_DEFINE_CONST_FUN_OBJ_1(sha1_digest_obj, sha1_digest);
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#endif
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STATIC const mp_rom_map_elem_t hash_locals_dict_table[] = {
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{ MP_ROM_QSTR(MP_QSTR_update), MP_ROM_PTR(&hash_update_obj) },
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{ MP_ROM_QSTR(MP_QSTR_digest), MP_ROM_PTR(&hash_digest_obj) },
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};
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STATIC MP_DEFINE_CONST_DICT(hash_locals_dict, hash_locals_dict_table);
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STATIC const mp_obj_type_t sha256_type = {
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{ &mp_type_type },
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.name = MP_QSTR_sha256,
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.make_new = hash_make_new,
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.locals_dict = (void*)&hash_locals_dict,
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};
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#if MICROPY_PY_UHASHLIB_SHA1
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STATIC const mp_rom_map_elem_t sha1_locals_dict_table[] = {
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{ MP_ROM_QSTR(MP_QSTR_update), MP_ROM_PTR(&sha1_update_obj) },
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{ MP_ROM_QSTR(MP_QSTR_digest), MP_ROM_PTR(&sha1_digest_obj) },
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};
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STATIC MP_DEFINE_CONST_DICT(sha1_locals_dict, sha1_locals_dict_table);
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STATIC const mp_obj_type_t sha1_type = {
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{ &mp_type_type },
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.name = MP_QSTR_sha1,
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.make_new = sha1_make_new,
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.locals_dict = (void*)&sha1_locals_dict,
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};
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#endif
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STATIC const mp_rom_map_elem_t mp_module_hashlib_globals_table[] = {
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{ MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_uhashlib) },
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{ MP_ROM_QSTR(MP_QSTR_sha256), MP_ROM_PTR(&sha256_type) },
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#if MICROPY_PY_UHASHLIB_SHA1
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{ MP_ROM_QSTR(MP_QSTR_sha1), MP_ROM_PTR(&sha1_type) },
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#endif
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};
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STATIC MP_DEFINE_CONST_DICT(mp_module_hashlib_globals, mp_module_hashlib_globals_table);
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const mp_obj_module_t mp_module_uhashlib = {
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.base = { &mp_type_module },
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.globals = (mp_obj_dict_t*)&mp_module_hashlib_globals,
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};
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#include "crypto-algorithms/sha256.c"
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#endif //MICROPY_PY_UHASHLIB
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