diff options
Diffstat (limited to 'extmod/modhashlib.c')
| -rw-r--r-- | extmod/modhashlib.c | 379 |
1 files changed, 379 insertions, 0 deletions
diff --git a/extmod/modhashlib.c b/extmod/modhashlib.c new file mode 100644 index 0000000000..1b94cc01a0 --- /dev/null +++ b/extmod/modhashlib.c @@ -0,0 +1,379 @@ +/* + * 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 +#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, 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, 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, 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 +#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, 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, 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 +#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, 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_MODULE(MP_QSTR_hashlib, mp_module_hashlib); + +#endif // MICROPY_PY_HASHLIB |