extmod/moduhashlib.c - lite/micropython - Linaro Git Browser

 /*
  * This file is part of the MicroPython 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 "py/runtime.h"

 #if MICROPY_PY_UHASHLIB

 #if MICROPY_SSL_MBEDTLS
 #include "mbedtls/version.h"
 #endif

 #if MICROPY_PY_UHASHLIB_SHA256

 #if MICROPY_SSL_MBEDTLS
 #include "mbedtls/sha256.h"
 #else
 #include "crypto-algorithms/sha256.h"
 #endif

 #endif

 #if MICROPY_PY_UHASHLIB_SHA1 || MICROPY_PY_UHASHLIB_MD5

 #if MICROPY_SSL_AXTLS
 #include "lib/axtls/crypto/crypto.h"
 #endif

 #if MICROPY_SSL_MBEDTLS
 #include "mbedtls/md5.h"
 #include "mbedtls/sha1.h"
 #endif

 #endif

 typedef struct _mp_obj_hash_t {
     mp_obj_base_t base;
     char state[0];
 } mp_obj_hash_t;

 #if MICROPY_PY_UHASHLIB_SHA256
 STATIC mp_obj_t uhashlib_sha256_update(mp_obj_t self_in, mp_obj_t arg);

 #if MICROPY_SSL_MBEDTLS

 #if MBEDTLS_VERSION_NUMBER < 0x02070000
 #define mbedtls_sha256_starts_ret mbedtls_sha256_starts
 #define mbedtls_sha256_update_ret mbedtls_sha256_update
 #define mbedtls_sha256_finish_ret mbedtls_sha256_finish
 #endif

 STATIC mp_obj_t uhashlib_sha256_make_new(const mp_obj_type_t *type, size_t n_args, size_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, sizeof(mbedtls_sha256_context));
     o->base.type = type;
     mbedtls_sha256_init((mbedtls_sha256_context *)&o->state);
     mbedtls_sha256_starts_ret((mbedtls_sha256_context *)&o->state, 0);
     if (n_args == 1) {
         uhashlib_sha256_update(MP_OBJ_FROM_PTR(o), args[0]);
     }
     return MP_OBJ_FROM_PTR(o);
 }

 STATIC mp_obj_t uhashlib_sha256_update(mp_obj_t self_in, mp_obj_t arg) {
     mp_obj_hash_t *self = MP_OBJ_TO_PTR(self_in);
     mp_buffer_info_t bufinfo;
     mp_get_buffer_raise(arg, &bufinfo, MP_BUFFER_READ);
     mbedtls_sha256_update_ret((mbedtls_sha256_context *)&self->state, bufinfo.buf, bufinfo.len);
     return mp_const_none;
 }

 STATIC mp_obj_t uhashlib_sha256_digest(mp_obj_t self_in) {
     mp_obj_hash_t *self = MP_OBJ_TO_PTR(self_in);
     vstr_t vstr;
     vstr_init_len(&vstr, 32);
     mbedtls_sha256_finish_ret((mbedtls_sha256_context *)&self->state, (unsigned char *)vstr.buf);
     return mp_obj_new_str_from_vstr(&mp_type_bytes, &vstr);
 }

 #else

 #include "crypto-algorithms/sha256.c"

 STATIC mp_obj_t uhashlib_sha256_make_new(const mp_obj_type_t *type, size_t n_args, size_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, sizeof(CRYAL_SHA256_CTX));
     o->base.type = type;
     sha256_init((CRYAL_SHA256_CTX *)o->state);
     if (n_args == 1) {
         uhashlib_sha256_update(MP_OBJ_FROM_PTR(o), args[0]);
     }
     return MP_OBJ_FROM_PTR(o);
 }

 STATIC mp_obj_t uhashlib_sha256_update(mp_obj_t self_in, mp_obj_t arg) {
     mp_obj_hash_t *self = MP_OBJ_TO_PTR(self_in);
     mp_buffer_info_t bufinfo;
     mp_get_buffer_raise(arg, &bufinfo, MP_BUFFER_READ);
     sha256_update((CRYAL_SHA256_CTX *)self->state, bufinfo.buf, bufinfo.len);
     return mp_const_none;
 }

 STATIC mp_obj_t uhashlib_sha256_digest(mp_obj_t self_in) {
     mp_obj_hash_t *self = MP_OBJ_TO_PTR(self_in);
     vstr_t vstr;
     vstr_init_len(&vstr, SHA256_BLOCK_SIZE);
     sha256_final((CRYAL_SHA256_CTX *)self->state, (byte *)vstr.buf);
     return mp_obj_new_str_from_vstr(&mp_type_bytes, &vstr);
 }
 #endif

 STATIC MP_DEFINE_CONST_FUN_OBJ_2(uhashlib_sha256_update_obj, uhashlib_sha256_update);
 STATIC MP_DEFINE_CONST_FUN_OBJ_1(uhashlib_sha256_digest_obj, uhashlib_sha256_digest);

 STATIC const mp_rom_map_elem_t uhashlib_sha256_locals_dict_table[] = {
     { MP_ROM_QSTR(MP_QSTR_update), MP_ROM_PTR(&uhashlib_sha256_update_obj) },
     { MP_ROM_QSTR(MP_QSTR_digest), MP_ROM_PTR(&uhashlib_sha256_digest_obj) },
 };

 STATIC MP_DEFINE_CONST_DICT(uhashlib_sha256_locals_dict, uhashlib_sha256_locals_dict_table);

 STATIC const mp_obj_type_t uhashlib_sha256_type = {
     { &mp_type_type },
     .name = MP_QSTR_sha256,
     .make_new = uhashlib_sha256_make_new,
     .locals_dict = (void *)&uhashlib_sha256_locals_dict,
 };
 #endif

 #if MICROPY_PY_UHASHLIB_SHA1
 STATIC mp_obj_t uhashlib_sha1_update(mp_obj_t self_in, mp_obj_t arg);

 #if MICROPY_SSL_AXTLS
 STATIC mp_obj_t uhashlib_sha1_make_new(const mp_obj_type_t *type, size_t n_args, size_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, sizeof(SHA1_CTX));
     o->base.type = type;
     SHA1_Init((SHA1_CTX *)o->state);
     if (n_args == 1) {
         uhashlib_sha1_update(MP_OBJ_FROM_PTR(o), args[0]);
     }
     return MP_OBJ_FROM_PTR(o);
 }

 STATIC mp_obj_t uhashlib_sha1_update(mp_obj_t self_in, mp_obj_t arg) {
     mp_obj_hash_t *self = MP_OBJ_TO_PTR(self_in);
     mp_buffer_info_t bufinfo;
     mp_get_buffer_raise(arg, &bufinfo, MP_BUFFER_READ);
     SHA1_Update((SHA1_CTX *)self->state, bufinfo.buf, bufinfo.len);
     return mp_const_none;
 }

 STATIC mp_obj_t uhashlib_sha1_digest(mp_obj_t self_in) {
     mp_obj_hash_t *self = MP_OBJ_TO_PTR(self_in);
     vstr_t vstr;
     vstr_init_len(&vstr, SHA1_SIZE);
     SHA1_Final((byte *)vstr.buf, (SHA1_CTX *)self->state);
     return mp_obj_new_str_from_vstr(&mp_type_bytes, &vstr);
 }
 #endif

 #if MICROPY_SSL_MBEDTLS

 #if MBEDTLS_VERSION_NUMBER < 0x02070000
 #define mbedtls_sha1_starts_ret mbedtls_sha1_starts
 #define mbedtls_sha1_update_ret mbedtls_sha1_update
 #define mbedtls_sha1_finish_ret mbedtls_sha1_finish
 #endif

 STATIC mp_obj_t uhashlib_sha1_make_new(const mp_obj_type_t *type, size_t n_args, size_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, sizeof(mbedtls_sha1_context));
     o->base.type = type;
     mbedtls_sha1_init((mbedtls_sha1_context *)o->state);
     mbedtls_sha1_starts_ret((mbedtls_sha1_context *)o->state);
     if (n_args == 1) {
         uhashlib_sha1_update(MP_OBJ_FROM_PTR(o), args[0]);
     }
     return MP_OBJ_FROM_PTR(o);
 }

 STATIC mp_obj_t uhashlib_sha1_update(mp_obj_t self_in, mp_obj_t arg) {
     mp_obj_hash_t *self = MP_OBJ_TO_PTR(self_in);
     mp_buffer_info_t bufinfo;
     mp_get_buffer_raise(arg, &bufinfo, MP_BUFFER_READ);
     mbedtls_sha1_update_ret((mbedtls_sha1_context *)self->state, bufinfo.buf, bufinfo.len);
     return mp_const_none;
 }

 STATIC mp_obj_t uhashlib_sha1_digest(mp_obj_t self_in) {
     mp_obj_hash_t *self = MP_OBJ_TO_PTR(self_in);
     vstr_t vstr;
     vstr_init_len(&vstr, 20);
     mbedtls_sha1_finish_ret((mbedtls_sha1_context *)self->state, (byte *)vstr.buf);
     mbedtls_sha1_free((mbedtls_sha1_context *)self->state);
     return mp_obj_new_str_from_vstr(&mp_type_bytes, &vstr);
 }
 #endif

 STATIC MP_DEFINE_CONST_FUN_OBJ_2(uhashlib_sha1_update_obj, uhashlib_sha1_update);
 STATIC MP_DEFINE_CONST_FUN_OBJ_1(uhashlib_sha1_digest_obj, uhashlib_sha1_digest);

 STATIC const mp_rom_map_elem_t uhashlib_sha1_locals_dict_table[] = {
     { MP_ROM_QSTR(MP_QSTR_update), MP_ROM_PTR(&uhashlib_sha1_update_obj) },
     { MP_ROM_QSTR(MP_QSTR_digest), MP_ROM_PTR(&uhashlib_sha1_digest_obj) },
 };
 STATIC MP_DEFINE_CONST_DICT(uhashlib_sha1_locals_dict, uhashlib_sha1_locals_dict_table);

 STATIC const mp_obj_type_t uhashlib_sha1_type = {
     { &mp_type_type },
     .name = MP_QSTR_sha1,
     .make_new = uhashlib_sha1_make_new,
     .locals_dict = (void *)&uhashlib_sha1_locals_dict,
 };
 #endif

 #if MICROPY_PY_UHASHLIB_MD5
 STATIC mp_obj_t uhashlib_md5_update(mp_obj_t self_in, mp_obj_t arg);

 #if MICROPY_SSL_AXTLS
 STATIC mp_obj_t uhashlib_md5_make_new(const mp_obj_type_t *type, size_t n_args, size_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, sizeof(MD5_CTX));
     o->base.type = type;
     MD5_Init((MD5_CTX *)o->state);
     if (n_args == 1) {
         uhashlib_md5_update(MP_OBJ_FROM_PTR(o), args[0]);
     }
     return MP_OBJ_FROM_PTR(o);
 }

 STATIC mp_obj_t uhashlib_md5_update(mp_obj_t self_in, mp_obj_t arg) {
     mp_obj_hash_t *self = MP_OBJ_TO_PTR(self_in);
     mp_buffer_info_t bufinfo;
     mp_get_buffer_raise(arg, &bufinfo, MP_BUFFER_READ);
     MD5_Update((MD5_CTX *)self->state, bufinfo.buf, bufinfo.len);
     return mp_const_none;
 }

 STATIC mp_obj_t uhashlib_md5_digest(mp_obj_t self_in) {
     mp_obj_hash_t *self = MP_OBJ_TO_PTR(self_in);
     vstr_t vstr;
     vstr_init_len(&vstr, MD5_SIZE);
     MD5_Final((byte *)vstr.buf, (MD5_CTX *)self->state);
     return mp_obj_new_str_from_vstr(&mp_type_bytes, &vstr);
 }
 #endif // MICROPY_SSL_AXTLS

 #if MICROPY_SSL_MBEDTLS

 #if MBEDTLS_VERSION_NUMBER < 0x02070000
 #define mbedtls_md5_starts_ret mbedtls_md5_starts
 #define mbedtls_md5_update_ret mbedtls_md5_update
 #define mbedtls_md5_finish_ret mbedtls_md5_finish
 #endif

 STATIC mp_obj_t uhashlib_md5_make_new(const mp_obj_type_t *type, size_t n_args, size_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, sizeof(mbedtls_md5_context));
     o->base.type = type;
     mbedtls_md5_init((mbedtls_md5_context *)o->state);
     mbedtls_md5_starts_ret((mbedtls_md5_context *)o->state);
     if (n_args == 1) {
         uhashlib_md5_update(MP_OBJ_FROM_PTR(o), args[0]);
     }
     return MP_OBJ_FROM_PTR(o);
 }

 STATIC mp_obj_t uhashlib_md5_update(mp_obj_t self_in, mp_obj_t arg) {
     mp_obj_hash_t *self = MP_OBJ_TO_PTR(self_in);
     mp_buffer_info_t bufinfo;
     mp_get_buffer_raise(arg, &bufinfo, MP_BUFFER_READ);
     mbedtls_md5_update_ret((mbedtls_md5_context *)self->state, bufinfo.buf, bufinfo.len);
     return mp_const_none;
 }

 STATIC mp_obj_t uhashlib_md5_digest(mp_obj_t self_in) {
     mp_obj_hash_t *self = MP_OBJ_TO_PTR(self_in);
     vstr_t vstr;
     vstr_init_len(&vstr, 16);
     mbedtls_md5_finish_ret((mbedtls_md5_context *)self->state, (byte *)vstr.buf);
     mbedtls_md5_free((mbedtls_md5_context *)self->state);
     return mp_obj_new_str_from_vstr(&mp_type_bytes, &vstr);
 }
 #endif // MICROPY_SSL_MBEDTLS

 STATIC MP_DEFINE_CONST_FUN_OBJ_2(uhashlib_md5_update_obj, uhashlib_md5_update);
 STATIC MP_DEFINE_CONST_FUN_OBJ_1(uhashlib_md5_digest_obj, uhashlib_md5_digest);

 STATIC const mp_rom_map_elem_t uhashlib_md5_locals_dict_table[] = {
     { MP_ROM_QSTR(MP_QSTR_update), MP_ROM_PTR(&uhashlib_md5_update_obj) },
     { MP_ROM_QSTR(MP_QSTR_digest), MP_ROM_PTR(&uhashlib_md5_digest_obj) },
 };
 STATIC MP_DEFINE_CONST_DICT(uhashlib_md5_locals_dict, uhashlib_md5_locals_dict_table);

 STATIC const mp_obj_type_t uhashlib_md5_type = {
     { &mp_type_type },
     .name = MP_QSTR_md5,
     .make_new = uhashlib_md5_make_new,
     .locals_dict = (void *)&uhashlib_md5_locals_dict,
 };
 #endif // MICROPY_PY_UHASHLIB_MD5

 STATIC const mp_rom_map_elem_t mp_module_uhashlib_globals_table[] = {
     { MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_uhashlib) },
     #if MICROPY_PY_UHASHLIB_SHA256
     { MP_ROM_QSTR(MP_QSTR_sha256), MP_ROM_PTR(&uhashlib_sha256_type) },
     #endif
     #if MICROPY_PY_UHASHLIB_SHA1
     { MP_ROM_QSTR(MP_QSTR_sha1), MP_ROM_PTR(&uhashlib_sha1_type) },
     #endif
     #if MICROPY_PY_UHASHLIB_MD5
     { MP_ROM_QSTR(MP_QSTR_md5), MP_ROM_PTR(&uhashlib_md5_type) },
     #endif
 };

 STATIC MP_DEFINE_CONST_DICT(mp_module_uhashlib_globals, mp_module_uhashlib_globals_table);

 const mp_obj_module_t mp_module_uhashlib = {
     .base = { &mp_type_module },
     .globals = (mp_obj_dict_t *)&mp_module_uhashlib_globals,
 };

 #endif //MICROPY_PY_UHASHLIB
	/*
	* This file is part of the MicroPython 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 "py/runtime.h"

	#if MICROPY_PY_UHASHLIB

	#if MICROPY_SSL_MBEDTLS
	#include "mbedtls/version.h"
	#endif

	#if MICROPY_PY_UHASHLIB_SHA256

	#if MICROPY_SSL_MBEDTLS
	#include "mbedtls/sha256.h"
	#else
	#include "crypto-algorithms/sha256.h"
	#endif

	#endif

	#if MICROPY_PY_UHASHLIB_SHA1 \|\| MICROPY_PY_UHASHLIB_MD5

	#if MICROPY_SSL_AXTLS
	#include "lib/axtls/crypto/crypto.h"
	#endif

	#if MICROPY_SSL_MBEDTLS
	#include "mbedtls/md5.h"
	#include "mbedtls/sha1.h"
	#endif

	#endif

	typedef struct _mp_obj_hash_t {
	mp_obj_base_t base;
	char state[0];
	} mp_obj_hash_t;

	#if MICROPY_PY_UHASHLIB_SHA256
	STATIC mp_obj_t uhashlib_sha256_update(mp_obj_t self_in, mp_obj_t arg);

	#if MICROPY_SSL_MBEDTLS

	#if MBEDTLS_VERSION_NUMBER < 0x02070000
	#define mbedtls_sha256_starts_ret mbedtls_sha256_starts
	#define mbedtls_sha256_update_ret mbedtls_sha256_update
	#define mbedtls_sha256_finish_ret mbedtls_sha256_finish
	#endif

	STATIC mp_obj_t uhashlib_sha256_make_new(const mp_obj_type_t type, size_t n_args, size_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, sizeof(mbedtls_sha256_context));
	o->base.type = type;
	mbedtls_sha256_init((mbedtls_sha256_context *)&o->state);
	mbedtls_sha256_starts_ret((mbedtls_sha256_context *)&o->state, 0);
	if (n_args == 1) {
	uhashlib_sha256_update(MP_OBJ_FROM_PTR(o), args[0]);
	}
	return MP_OBJ_FROM_PTR(o);
	}

	STATIC mp_obj_t uhashlib_sha256_update(mp_obj_t self_in, mp_obj_t arg) {
	mp_obj_hash_t *self = MP_OBJ_TO_PTR(self_in);
	mp_buffer_info_t bufinfo;
	mp_get_buffer_raise(arg, &bufinfo, MP_BUFFER_READ);
	mbedtls_sha256_update_ret((mbedtls_sha256_context *)&self->state, bufinfo.buf, bufinfo.len);
	return mp_const_none;
	}

	STATIC mp_obj_t uhashlib_sha256_digest(mp_obj_t self_in) {
	mp_obj_hash_t *self = MP_OBJ_TO_PTR(self_in);
	vstr_t vstr;
	vstr_init_len(&vstr, 32);
	mbedtls_sha256_finish_ret((mbedtls_sha256_context )&self->state, (unsigned char )vstr.buf);
	return mp_obj_new_str_from_vstr(&mp_type_bytes, &vstr);
	}

	#else

	#include "crypto-algorithms/sha256.c"

	STATIC mp_obj_t uhashlib_sha256_make_new(const mp_obj_type_t type, size_t n_args, size_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, sizeof(CRYAL_SHA256_CTX));
	o->base.type = type;
	sha256_init((CRYAL_SHA256_CTX *)o->state);
	if (n_args == 1) {
	uhashlib_sha256_update(MP_OBJ_FROM_PTR(o), args[0]);
	}
	return MP_OBJ_FROM_PTR(o);
	}

	STATIC mp_obj_t uhashlib_sha256_update(mp_obj_t self_in, mp_obj_t arg) {
	mp_obj_hash_t *self = MP_OBJ_TO_PTR(self_in);
	mp_buffer_info_t bufinfo;
	mp_get_buffer_raise(arg, &bufinfo, MP_BUFFER_READ);
	sha256_update((CRYAL_SHA256_CTX *)self->state, bufinfo.buf, bufinfo.len);
	return mp_const_none;
	}

	STATIC mp_obj_t uhashlib_sha256_digest(mp_obj_t self_in) {
	mp_obj_hash_t *self = MP_OBJ_TO_PTR(self_in);
	vstr_t vstr;
	vstr_init_len(&vstr, SHA256_BLOCK_SIZE);
	sha256_final((CRYAL_SHA256_CTX )self->state, (byte )vstr.buf);
	return mp_obj_new_str_from_vstr(&mp_type_bytes, &vstr);
	}
	#endif

	STATIC MP_DEFINE_CONST_FUN_OBJ_2(uhashlib_sha256_update_obj, uhashlib_sha256_update);
	STATIC MP_DEFINE_CONST_FUN_OBJ_1(uhashlib_sha256_digest_obj, uhashlib_sha256_digest);

	STATIC const mp_rom_map_elem_t uhashlib_sha256_locals_dict_table[] = {
	{ MP_ROM_QSTR(MP_QSTR_update), MP_ROM_PTR(&uhashlib_sha256_update_obj) },
	{ MP_ROM_QSTR(MP_QSTR_digest), MP_ROM_PTR(&uhashlib_sha256_digest_obj) },
	};

	STATIC MP_DEFINE_CONST_DICT(uhashlib_sha256_locals_dict, uhashlib_sha256_locals_dict_table);

	STATIC const mp_obj_type_t uhashlib_sha256_type = {
	{ &mp_type_type },
	.name = MP_QSTR_sha256,
	.make_new = uhashlib_sha256_make_new,
	.locals_dict = (void *)&uhashlib_sha256_locals_dict,
	};
	#endif

	#if MICROPY_PY_UHASHLIB_SHA1
	STATIC mp_obj_t uhashlib_sha1_update(mp_obj_t self_in, mp_obj_t arg);

	#if MICROPY_SSL_AXTLS
	STATIC mp_obj_t uhashlib_sha1_make_new(const mp_obj_type_t type, size_t n_args, size_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, sizeof(SHA1_CTX));
	o->base.type = type;
	SHA1_Init((SHA1_CTX *)o->state);
	if (n_args == 1) {
	uhashlib_sha1_update(MP_OBJ_FROM_PTR(o), args[0]);
	}
	return MP_OBJ_FROM_PTR(o);
	}

	STATIC mp_obj_t uhashlib_sha1_update(mp_obj_t self_in, mp_obj_t arg) {
	mp_obj_hash_t *self = MP_OBJ_TO_PTR(self_in);
	mp_buffer_info_t bufinfo;
	mp_get_buffer_raise(arg, &bufinfo, MP_BUFFER_READ);
	SHA1_Update((SHA1_CTX *)self->state, bufinfo.buf, bufinfo.len);
	return mp_const_none;
	}

	STATIC mp_obj_t uhashlib_sha1_digest(mp_obj_t self_in) {
	mp_obj_hash_t *self = MP_OBJ_TO_PTR(self_in);
	vstr_t vstr;
	vstr_init_len(&vstr, SHA1_SIZE);
	SHA1_Final((byte )vstr.buf, (SHA1_CTX )self->state);
	return mp_obj_new_str_from_vstr(&mp_type_bytes, &vstr);
	}
	#endif

	#if MICROPY_SSL_MBEDTLS

	#if MBEDTLS_VERSION_NUMBER < 0x02070000
	#define mbedtls_sha1_starts_ret mbedtls_sha1_starts
	#define mbedtls_sha1_update_ret mbedtls_sha1_update
	#define mbedtls_sha1_finish_ret mbedtls_sha1_finish
	#endif

	STATIC mp_obj_t uhashlib_sha1_make_new(const mp_obj_type_t type, size_t n_args, size_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, sizeof(mbedtls_sha1_context));
	o->base.type = type;
	mbedtls_sha1_init((mbedtls_sha1_context *)o->state);
	mbedtls_sha1_starts_ret((mbedtls_sha1_context *)o->state);
	if (n_args == 1) {
	uhashlib_sha1_update(MP_OBJ_FROM_PTR(o), args[0]);
	}
	return MP_OBJ_FROM_PTR(o);
	}

	STATIC mp_obj_t uhashlib_sha1_update(mp_obj_t self_in, mp_obj_t arg) {
	mp_obj_hash_t *self = MP_OBJ_TO_PTR(self_in);
	mp_buffer_info_t bufinfo;
	mp_get_buffer_raise(arg, &bufinfo, MP_BUFFER_READ);
	mbedtls_sha1_update_ret((mbedtls_sha1_context *)self->state, bufinfo.buf, bufinfo.len);
	return mp_const_none;
	}

	STATIC mp_obj_t uhashlib_sha1_digest(mp_obj_t self_in) {
	mp_obj_hash_t *self = MP_OBJ_TO_PTR(self_in);
	vstr_t vstr;
	vstr_init_len(&vstr, 20);
	mbedtls_sha1_finish_ret((mbedtls_sha1_context )self->state, (byte )vstr.buf);
	mbedtls_sha1_free((mbedtls_sha1_context *)self->state);
	return mp_obj_new_str_from_vstr(&mp_type_bytes, &vstr);
	}
	#endif

	STATIC MP_DEFINE_CONST_FUN_OBJ_2(uhashlib_sha1_update_obj, uhashlib_sha1_update);
	STATIC MP_DEFINE_CONST_FUN_OBJ_1(uhashlib_sha1_digest_obj, uhashlib_sha1_digest);

	STATIC const mp_rom_map_elem_t uhashlib_sha1_locals_dict_table[] = {
	{ MP_ROM_QSTR(MP_QSTR_update), MP_ROM_PTR(&uhashlib_sha1_update_obj) },
	{ MP_ROM_QSTR(MP_QSTR_digest), MP_ROM_PTR(&uhashlib_sha1_digest_obj) },
	};
	STATIC MP_DEFINE_CONST_DICT(uhashlib_sha1_locals_dict, uhashlib_sha1_locals_dict_table);

	STATIC const mp_obj_type_t uhashlib_sha1_type = {
	{ &mp_type_type },
	.name = MP_QSTR_sha1,
	.make_new = uhashlib_sha1_make_new,
	.locals_dict = (void *)&uhashlib_sha1_locals_dict,
	};
	#endif

	#if MICROPY_PY_UHASHLIB_MD5
	STATIC mp_obj_t uhashlib_md5_update(mp_obj_t self_in, mp_obj_t arg);

	#if MICROPY_SSL_AXTLS
	STATIC mp_obj_t uhashlib_md5_make_new(const mp_obj_type_t type, size_t n_args, size_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, sizeof(MD5_CTX));
	o->base.type = type;
	MD5_Init((MD5_CTX *)o->state);
	if (n_args == 1) {
	uhashlib_md5_update(MP_OBJ_FROM_PTR(o), args[0]);
	}
	return MP_OBJ_FROM_PTR(o);
	}

	STATIC mp_obj_t uhashlib_md5_update(mp_obj_t self_in, mp_obj_t arg) {
	mp_obj_hash_t *self = MP_OBJ_TO_PTR(self_in);
	mp_buffer_info_t bufinfo;
	mp_get_buffer_raise(arg, &bufinfo, MP_BUFFER_READ);
	MD5_Update((MD5_CTX *)self->state, bufinfo.buf, bufinfo.len);
	return mp_const_none;
	}

	STATIC mp_obj_t uhashlib_md5_digest(mp_obj_t self_in) {
	mp_obj_hash_t *self = MP_OBJ_TO_PTR(self_in);
	vstr_t vstr;
	vstr_init_len(&vstr, MD5_SIZE);
	MD5_Final((byte )vstr.buf, (MD5_CTX )self->state);
	return mp_obj_new_str_from_vstr(&mp_type_bytes, &vstr);
	}
	#endif // MICROPY_SSL_AXTLS

	#if MICROPY_SSL_MBEDTLS

	#if MBEDTLS_VERSION_NUMBER < 0x02070000
	#define mbedtls_md5_starts_ret mbedtls_md5_starts
	#define mbedtls_md5_update_ret mbedtls_md5_update
	#define mbedtls_md5_finish_ret mbedtls_md5_finish
	#endif

	STATIC mp_obj_t uhashlib_md5_make_new(const mp_obj_type_t type, size_t n_args, size_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, sizeof(mbedtls_md5_context));
	o->base.type = type;
	mbedtls_md5_init((mbedtls_md5_context *)o->state);
	mbedtls_md5_starts_ret((mbedtls_md5_context *)o->state);
	if (n_args == 1) {
	uhashlib_md5_update(MP_OBJ_FROM_PTR(o), args[0]);
	}
	return MP_OBJ_FROM_PTR(o);
	}

	STATIC mp_obj_t uhashlib_md5_update(mp_obj_t self_in, mp_obj_t arg) {
	mp_obj_hash_t *self = MP_OBJ_TO_PTR(self_in);
	mp_buffer_info_t bufinfo;
	mp_get_buffer_raise(arg, &bufinfo, MP_BUFFER_READ);
	mbedtls_md5_update_ret((mbedtls_md5_context *)self->state, bufinfo.buf, bufinfo.len);
	return mp_const_none;
	}

	STATIC mp_obj_t uhashlib_md5_digest(mp_obj_t self_in) {
	mp_obj_hash_t *self = MP_OBJ_TO_PTR(self_in);
	vstr_t vstr;
	vstr_init_len(&vstr, 16);
	mbedtls_md5_finish_ret((mbedtls_md5_context )self->state, (byte )vstr.buf);
	mbedtls_md5_free((mbedtls_md5_context *)self->state);
	return mp_obj_new_str_from_vstr(&mp_type_bytes, &vstr);
	}
	#endif // MICROPY_SSL_MBEDTLS

	STATIC MP_DEFINE_CONST_FUN_OBJ_2(uhashlib_md5_update_obj, uhashlib_md5_update);
	STATIC MP_DEFINE_CONST_FUN_OBJ_1(uhashlib_md5_digest_obj, uhashlib_md5_digest);

	STATIC const mp_rom_map_elem_t uhashlib_md5_locals_dict_table[] = {
	{ MP_ROM_QSTR(MP_QSTR_update), MP_ROM_PTR(&uhashlib_md5_update_obj) },
	{ MP_ROM_QSTR(MP_QSTR_digest), MP_ROM_PTR(&uhashlib_md5_digest_obj) },
	};
	STATIC MP_DEFINE_CONST_DICT(uhashlib_md5_locals_dict, uhashlib_md5_locals_dict_table);

	STATIC const mp_obj_type_t uhashlib_md5_type = {
	{ &mp_type_type },
	.name = MP_QSTR_md5,
	.make_new = uhashlib_md5_make_new,
	.locals_dict = (void *)&uhashlib_md5_locals_dict,
	};
	#endif // MICROPY_PY_UHASHLIB_MD5

	STATIC const mp_rom_map_elem_t mp_module_uhashlib_globals_table[] = {
	{ MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_uhashlib) },
	#if MICROPY_PY_UHASHLIB_SHA256
	{ MP_ROM_QSTR(MP_QSTR_sha256), MP_ROM_PTR(&uhashlib_sha256_type) },
	#endif
	#if MICROPY_PY_UHASHLIB_SHA1
	{ MP_ROM_QSTR(MP_QSTR_sha1), MP_ROM_PTR(&uhashlib_sha1_type) },
	#endif
	#if MICROPY_PY_UHASHLIB_MD5
	{ MP_ROM_QSTR(MP_QSTR_md5), MP_ROM_PTR(&uhashlib_md5_type) },
	#endif
	};

	STATIC MP_DEFINE_CONST_DICT(mp_module_uhashlib_globals, mp_module_uhashlib_globals_table);

	const mp_obj_module_t mp_module_uhashlib = {
	.base = { &mp_type_module },
	.globals = (mp_obj_dict_t *)&mp_module_uhashlib_globals,
	};

	#endif //MICROPY_PY_UHASHLIB