/** This file is part of the MicroPython project, http://micropython.org/** The MIT License (MIT)** Copyright (c) 2014 Paul Sokolovsky* Copyright (c) Quectel Wireless Solution, Co., Ltd.All Rights Reserved.** 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#include "modhash.h"#include "modaes.h"#endiftypedef struct _mp_obj_hash_t {mp_obj_base_t base;char state[0];} mp_obj_hash_t;#if MICROPY_PY_UHASHLIB_SHA256STATIC 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#endifSTATIC 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);}#endifSTATIC 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_SHA1STATIC mp_obj_t uhashlib_sha1_update(mp_obj_t self_in, mp_obj_t arg);#if MICROPY_SSL_AXTLSSTATIC 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#endifSTATIC 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);}#endifSTATIC 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,};int str2dec(const uint8_t *src, int srclen, uint8_t *dst){int i = 0, j = 0;int dstlen = 0;uint8_t temp[250] = {0};uint8_t dec_buf[16] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15};uint8_t ascii_buf[16] = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'};// unsigned char temp[150] = {0};// unsigned char dec_buf[16] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15};// unsigned char ascii_buf[16] = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'};for (i=0; i<srclen; i++){for (j=0; j<16; j++){if (src[i] == ascii_buf[j]){temp[i] = dec_buf[j];}}}if (srclen % 2 == 0){dstlen = srclen / 2;for (i=0; i<dstlen; i++){dst[i] = temp[i*2] * 16 + temp[i*2+1];}return dstlen;}else{dstlen = srclen / 2 + 1;for (i=0; i<dstlen-1; i++){dst[i] = temp[i*2] * 16 + temp[i*2+1];}dst[i] = temp[i*2];return dstlen;}}//int dec2str(const unsigned char *src, int srclen, unsigned char *dst)int dec2str(const uint8_t *src, int srclen, uint8_t *dst){int i = 0;uint8_t h = 0;uint8_t l = 0;uint8_t ascii_buf[16] = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'};// unsigned char h = 0;// unsigned char l = 0;// unsigned char ascii_buf[16] = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'};for (i=0; i<srclen; i++){h = (src[i] >> 4) & 0x0f;l = src[i] & 0x0f;dst[2*i] = ascii_buf[h];dst[2*i+1] = ascii_buf[l];}dst[2*i] = '0円';return (2*i);}STATIC mp_obj_t mp_hash_sha1(mp_obj_t arg){char out_buff[20] = {0};char str_buff[25] = {0};char return_buff[45] = {0};mp_buffer_info_t argbuff;mp_get_buffer_raise(arg, &argbuff, MP_BUFFER_READ);str2dec((uint8_t *)argbuff.buf, argbuff.len, (uint8_t *)out_buff);SHA1(str_buff, out_buff, 20);dec2str( (uint8_t *)str_buff, 20, (uint8_t *)return_buff);return mp_obj_new_str(return_buff, strlen(return_buff));}STATIC MP_DEFINE_CONST_FUN_OBJ_1(mp_hash_sha1_obj, mp_hash_sha1);STATIC mp_obj_t mp_hash_aes_ecb(mp_obj_t aes_key, mp_obj_t aes_data){int dlen;char out[100] = {0};char return_buff[200] = {0};mp_aes_context ctx;mp_buffer_info_t key_buff;mp_get_buffer_raise(aes_key, &key_buff, MP_BUFFER_READ);mp_buffer_info_t data_buff;mp_get_buffer_raise(aes_data, &data_buff, MP_BUFFER_READ);aes_setkey_enc(&ctx, (unsigned char*)key_buff.buf, 128);aes_crypt_ecb(&ctx, AES_ENCRYPT, (unsigned char*)data_buff.buf, (unsigned char *)out, data_buff.len, &dlen);dec2str((uint8_t *)out, 96, (uint8_t *)return_buff);return mp_obj_new_str(return_buff, strlen(return_buff));}STATIC MP_DEFINE_CONST_FUN_OBJ_2(mp_hash_aes_ecb_obj, mp_hash_aes_ecb);STATIC mp_obj_t mp_hash_b64(mp_obj_t b64_data){int buflen;char out_buff[100] = {0};char return_buff[130] = {0};mp_buffer_info_t b64_buff;mp_get_buffer_raise(b64_data, &b64_buff, MP_BUFFER_READ);//mp_printf(&mp_plat_print, "[b64]buf =[%s]\n", (char *)b64_buff.buf);buflen = str2dec((uint8_t *)b64_buff.buf, b64_buff.len, (uint8_t *)out_buff);//mp_printf(&mp_plat_print, "[b64]buflen=%d \n", buflen);mp_base64_encode((unsigned char *)out_buff, return_buff, buflen);//mp_printf(&mp_plat_print, "[b64]len=%d \n", len);//mp_printf(&mp_plat_print, "[b64]str_len=%d \n", strlen(return_buff));//mp_printf(&mp_plat_print, "[b64]return_buff=%s \n", return_buff);return mp_obj_new_str(return_buff, strlen(return_buff));}STATIC MP_DEFINE_CONST_FUN_OBJ_1(mp_hash_b64_obj, mp_hash_b64);#endif#if MICROPY_PY_UHASHLIB_MD5STATIC mp_obj_t uhashlib_md5_update(mp_obj_t self_in, mp_obj_t arg);#if MICROPY_SSL_AXTLSSTATIC 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#endifSTATIC 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_MBEDTLSSTATIC 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_MD5STATIC 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) },{ MP_ROM_QSTR(MP_QSTR_hash_sha1), MP_ROM_PTR(&mp_hash_sha1_obj) },{ MP_ROM_QSTR(MP_QSTR_aes_ecb), MP_ROM_PTR(&mp_hash_aes_ecb_obj) },{ MP_ROM_QSTR(MP_QSTR_hash_base64), MP_ROM_PTR(&mp_hash_b64_obj) },#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
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