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micropython/extmod/modhashlib.c
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/* | |
* 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_HASHLIB | |
#if MICROPY_SSL_MBEDTLS | |
#include "mbedtls/version.h" | |
#endif | |
#if MICROPY_PY_HASHLIB_SHA256 | |
#if MICROPY_SSL_MBEDTLS | |
#include "mbedtls/sha256.h" | |
#else | |
#include "lib/crypto-algorithms/sha256.h" | |
#endif | |
#endif | |
#if MICROPY_PY_HASHLIB_SHA1 || MICROPY_PY_HASHLIB_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; | |
bool final; // if set, update and digest raise an exception | |
uintptr_t state[0]; // must be aligned to a machine word | |
} mp_obj_hash_t; | |
static void hashlib_ensure_not_final(mp_obj_hash_t *self) { | |
if (self->final) { | |
mp_raise_ValueError(MP_ERROR_TEXT("hash is final")); | |
} | |
} | |
#if MICROPY_PY_HASHLIB_SHA256 | |
static mp_obj_t hashlib_sha256_update(mp_obj_t self_in, mp_obj_t arg); | |
#if MICROPY_SSL_MBEDTLS | |
#if MBEDTLS_VERSION_NUMBER < 0x02070000 || MBEDTLS_VERSION_NUMBER >= 0x03000000 | |
#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 hashlib_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 = mp_obj_malloc_var(mp_obj_hash_t, state, char, sizeof(mbedtls_sha256_context), type); | |
o->final = false; | |
mbedtls_sha256_init((mbedtls_sha256_context *)&o->state); | |
mbedtls_sha256_starts_ret((mbedtls_sha256_context *)&o->state, 0); | |
if (n_args == 1) { | |
hashlib_sha256_update(MP_OBJ_FROM_PTR(o), args[0]); | |
} | |
return MP_OBJ_FROM_PTR(o); | |
} | |
static mp_obj_t hashlib_sha256_update(mp_obj_t self_in, mp_obj_t arg) { | |
mp_obj_hash_t *self = MP_OBJ_TO_PTR(self_in); | |
hashlib_ensure_not_final(self); | |
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 hashlib_sha256_digest(mp_obj_t self_in) { | |
mp_obj_hash_t *self = MP_OBJ_TO_PTR(self_in); | |
hashlib_ensure_not_final(self); | |
self->final = true; | |
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_bytes_from_vstr(&vstr); | |
} | |
#else | |
#include "lib/crypto-algorithms/sha256.c" | |
static mp_obj_t hashlib_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 = mp_obj_malloc_var(mp_obj_hash_t, state, char, sizeof(CRYAL_SHA256_CTX), type); | |
o->final = false; | |
sha256_init((CRYAL_SHA256_CTX *)o->state); | |
if (n_args == 1) { | |
hashlib_sha256_update(MP_OBJ_FROM_PTR(o), args[0]); | |
} | |
return MP_OBJ_FROM_PTR(o); | |
} | |
static mp_obj_t hashlib_sha256_update(mp_obj_t self_in, mp_obj_t arg) { | |
mp_obj_hash_t *self = MP_OBJ_TO_PTR(self_in); | |
hashlib_ensure_not_final(self); | |
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 hashlib_sha256_digest(mp_obj_t self_in) { | |
mp_obj_hash_t *self = MP_OBJ_TO_PTR(self_in); | |
hashlib_ensure_not_final(self); | |
self->final = true; | |
vstr_t vstr; | |
vstr_init_len(&vstr, SHA256_BLOCK_SIZE); | |
sha256_final((CRYAL_SHA256_CTX *)self->state, (byte *)vstr.buf); | |
return mp_obj_new_bytes_from_vstr(&vstr); | |
} | |
#endif | |
static MP_DEFINE_CONST_FUN_OBJ_2(hashlib_sha256_update_obj, hashlib_sha256_update); | |
static MP_DEFINE_CONST_FUN_OBJ_1(hashlib_sha256_digest_obj, hashlib_sha256_digest); | |
static const mp_rom_map_elem_t hashlib_sha256_locals_dict_table[] = { | |
{ MP_ROM_QSTR(MP_QSTR_update), MP_ROM_PTR(&hashlib_sha256_update_obj) }, | |
{ MP_ROM_QSTR(MP_QSTR_digest), MP_ROM_PTR(&hashlib_sha256_digest_obj) }, | |
}; | |
static MP_DEFINE_CONST_DICT(hashlib_sha256_locals_dict, hashlib_sha256_locals_dict_table); | |
static MP_DEFINE_CONST_OBJ_TYPE( | |
hashlib_sha256_type, | |
MP_QSTR_sha256, | |
MP_TYPE_FLAG_NONE, | |
make_new, hashlib_sha256_make_new, | |
locals_dict, &hashlib_sha256_locals_dict | |
); | |
#endif | |
#if MICROPY_PY_HASHLIB_SHA1 | |
static mp_obj_t hashlib_sha1_update(mp_obj_t self_in, mp_obj_t arg); | |
#if MICROPY_SSL_AXTLS | |
static mp_obj_t hashlib_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 = mp_obj_malloc_var(mp_obj_hash_t, state, char, sizeof(SHA1_CTX), type); | |
o->final = false; | |
SHA1_Init((SHA1_CTX *)o->state); | |
if (n_args == 1) { | |
hashlib_sha1_update(MP_OBJ_FROM_PTR(o), args[0]); | |
} | |
return MP_OBJ_FROM_PTR(o); | |
} | |
static mp_obj_t hashlib_sha1_update(mp_obj_t self_in, mp_obj_t arg) { | |
mp_obj_hash_t *self = MP_OBJ_TO_PTR(self_in); | |
hashlib_ensure_not_final(self); | |
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 hashlib_sha1_digest(mp_obj_t self_in) { | |
mp_obj_hash_t *self = MP_OBJ_TO_PTR(self_in); | |
hashlib_ensure_not_final(self); | |
self->final = true; | |
vstr_t vstr; | |
vstr_init_len(&vstr, SHA1_SIZE); | |
SHA1_Final((byte *)vstr.buf, (SHA1_CTX *)self->state); | |
return mp_obj_new_bytes_from_vstr(&vstr); | |
} | |
#endif | |
#if MICROPY_SSL_MBEDTLS | |
#if MBEDTLS_VERSION_NUMBER < 0x02070000 || MBEDTLS_VERSION_NUMBER >= 0x03000000 | |
#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 hashlib_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 = mp_obj_malloc_var(mp_obj_hash_t, state, char, sizeof(mbedtls_sha1_context), type); | |
o->final = false; | |
mbedtls_sha1_init((mbedtls_sha1_context *)o->state); | |
mbedtls_sha1_starts_ret((mbedtls_sha1_context *)o->state); | |
if (n_args == 1) { | |
hashlib_sha1_update(MP_OBJ_FROM_PTR(o), args[0]); | |
} | |
return MP_OBJ_FROM_PTR(o); | |
} | |
static mp_obj_t hashlib_sha1_update(mp_obj_t self_in, mp_obj_t arg) { | |
mp_obj_hash_t *self = MP_OBJ_TO_PTR(self_in); | |
hashlib_ensure_not_final(self); | |
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 hashlib_sha1_digest(mp_obj_t self_in) { | |
mp_obj_hash_t *self = MP_OBJ_TO_PTR(self_in); | |
hashlib_ensure_not_final(self); | |
self->final = true; | |
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_bytes_from_vstr(&vstr); | |
} | |
#endif | |
static MP_DEFINE_CONST_FUN_OBJ_2(hashlib_sha1_update_obj, hashlib_sha1_update); | |
static MP_DEFINE_CONST_FUN_OBJ_1(hashlib_sha1_digest_obj, hashlib_sha1_digest); | |
static const mp_rom_map_elem_t hashlib_sha1_locals_dict_table[] = { | |
{ MP_ROM_QSTR(MP_QSTR_update), MP_ROM_PTR(&hashlib_sha1_update_obj) }, | |
{ MP_ROM_QSTR(MP_QSTR_digest), MP_ROM_PTR(&hashlib_sha1_digest_obj) }, | |
}; | |
static MP_DEFINE_CONST_DICT(hashlib_sha1_locals_dict, hashlib_sha1_locals_dict_table); | |
static MP_DEFINE_CONST_OBJ_TYPE( | |
hashlib_sha1_type, | |
MP_QSTR_sha1, | |
MP_TYPE_FLAG_NONE, | |
make_new, hashlib_sha1_make_new, | |
locals_dict, &hashlib_sha1_locals_dict | |
); | |
#endif | |
#if MICROPY_PY_HASHLIB_MD5 | |
static mp_obj_t hashlib_md5_update(mp_obj_t self_in, mp_obj_t arg); | |
#if MICROPY_SSL_AXTLS | |
static mp_obj_t hashlib_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 = mp_obj_malloc_var(mp_obj_hash_t, state, char, sizeof(MD5_CTX), type); | |
o->final = false; | |
MD5_Init((MD5_CTX *)o->state); | |
if (n_args == 1) { | |
hashlib_md5_update(MP_OBJ_FROM_PTR(o), args[0]); | |
} | |
return MP_OBJ_FROM_PTR(o); | |
} | |
static mp_obj_t hashlib_md5_update(mp_obj_t self_in, mp_obj_t arg) { | |
mp_obj_hash_t *self = MP_OBJ_TO_PTR(self_in); | |
hashlib_ensure_not_final(self); | |
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 hashlib_md5_digest(mp_obj_t self_in) { | |
mp_obj_hash_t *self = MP_OBJ_TO_PTR(self_in); | |
hashlib_ensure_not_final(self); | |
self->final = true; | |
vstr_t vstr; | |
vstr_init_len(&vstr, MD5_SIZE); | |
MD5_Final((byte *)vstr.buf, (MD5_CTX *)self->state); | |
return mp_obj_new_bytes_from_vstr(&vstr); | |
} | |
#endif // MICROPY_SSL_AXTLS | |
#if MICROPY_SSL_MBEDTLS | |
#if MBEDTLS_VERSION_NUMBER < 0x02070000 || MBEDTLS_VERSION_NUMBER >= 0x03000000 | |
#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 hashlib_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 = mp_obj_malloc_var(mp_obj_hash_t, state, char, sizeof(mbedtls_md5_context), type); | |
o->final = false; | |
mbedtls_md5_init((mbedtls_md5_context *)o->state); | |
mbedtls_md5_starts_ret((mbedtls_md5_context *)o->state); | |
if (n_args == 1) { | |
hashlib_md5_update(MP_OBJ_FROM_PTR(o), args[0]); | |
} | |
return MP_OBJ_FROM_PTR(o); | |
} | |
static mp_obj_t hashlib_md5_update(mp_obj_t self_in, mp_obj_t arg) { | |
mp_obj_hash_t *self = MP_OBJ_TO_PTR(self_in); | |
hashlib_ensure_not_final(self); | |
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 hashlib_md5_digest(mp_obj_t self_in) { | |
mp_obj_hash_t *self = MP_OBJ_TO_PTR(self_in); | |
hashlib_ensure_not_final(self); | |
self->final = true; | |
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_bytes_from_vstr(&vstr); | |
} | |
#endif // MICROPY_SSL_MBEDTLS | |
static MP_DEFINE_CONST_FUN_OBJ_2(hashlib_md5_update_obj, hashlib_md5_update); | |
static MP_DEFINE_CONST_FUN_OBJ_1(hashlib_md5_digest_obj, hashlib_md5_digest); | |
static const mp_rom_map_elem_t hashlib_md5_locals_dict_table[] = { | |
{ MP_ROM_QSTR(MP_QSTR_update), MP_ROM_PTR(&hashlib_md5_update_obj) }, | |
{ MP_ROM_QSTR(MP_QSTR_digest), MP_ROM_PTR(&hashlib_md5_digest_obj) }, | |
}; | |
static MP_DEFINE_CONST_DICT(hashlib_md5_locals_dict, hashlib_md5_locals_dict_table); | |
static MP_DEFINE_CONST_OBJ_TYPE( | |
hashlib_md5_type, | |
MP_QSTR_md5, | |
MP_TYPE_FLAG_NONE, | |
make_new, hashlib_md5_make_new, | |
locals_dict, &hashlib_md5_locals_dict | |
); | |
#endif // MICROPY_PY_HASHLIB_MD5 | |
static const mp_rom_map_elem_t mp_module_hashlib_globals_table[] = { | |
{ MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_hashlib) }, | |
#if MICROPY_PY_HASHLIB_SHA256 | |
{ MP_ROM_QSTR(MP_QSTR_sha256), MP_ROM_PTR(&hashlib_sha256_type) }, | |
#endif | |
#if MICROPY_PY_HASHLIB_SHA1 | |
{ MP_ROM_QSTR(MP_QSTR_sha1), MP_ROM_PTR(&hashlib_sha1_type) }, | |
#endif | |
#if MICROPY_PY_HASHLIB_MD5 | |
{ MP_ROM_QSTR(MP_QSTR_md5), MP_ROM_PTR(&hashlib_md5_type) }, | |
#endif | |
}; | |
static MP_DEFINE_CONST_DICT(mp_module_hashlib_globals, mp_module_hashlib_globals_table); | |
const mp_obj_module_t mp_module_hashlib = { | |
.base = { &mp_type_module }, | |
.globals = (mp_obj_dict_t *)&mp_module_hashlib_globals, | |
}; | |
MP_REGISTER_EXTENSIBLE_MODULE(MP_QSTR_hashlib, mp_module_hashlib); | |
#endif // MICROPY_PY_HASHLIB |