diff options
Diffstat (limited to 'circuitpython/extmod/moduhashlib.c')
| -rw-r--r-- | circuitpython/extmod/moduhashlib.c | 375 |
1 files changed, 375 insertions, 0 deletions
diff --git a/circuitpython/extmod/moduhashlib.c b/circuitpython/extmod/moduhashlib.c new file mode 100644 index 0000000..741f43c --- /dev/null +++ b/circuitpython/extmod/moduhashlib.c @@ -0,0 +1,375 @@ +// Copyright (c) 2014 Paul Sokolovsky +// SPDX-FileCopyrightText: 2014 MicroPython & CircuitPython contributors (https://github.com/adafruit/circuitpython/graphs/contributors) +// +// SPDX-License-Identifier: MIT + +#include <assert.h> +#include <string.h> + +#include "py/runtime.h" + +#include "supervisor/shared/translate.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 "lib/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; + 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 uhashlib_ensure_not_final(mp_obj_hash_t *self) { + if (self->final) { + mp_raise_ValueError(MP_ERROR_TEXT("hash is final")); + } +} + +#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; + 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) { + 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); + uhashlib_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 uhashlib_sha256_digest(mp_obj_t self_in) { + mp_obj_hash_t *self = MP_OBJ_TO_PTR(self_in); + uhashlib_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_str_from_vstr(&mp_type_bytes, &vstr); +} + +#else + +static void check_not_unicode(const mp_obj_t arg) { + #if MICROPY_CPYTHON_COMPAT + if (mp_obj_is_str(arg)) { + mp_raise_TypeError(MP_ERROR_TEXT("a bytes-like object is required")); + } + #endif +} + +#if MICROPY_PY_UHASHLIB_SHA256 +#include "lib/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; + o->final = false; + 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) { + check_not_unicode(arg); + mp_obj_hash_t *self = MP_OBJ_TO_PTR(self_in); + uhashlib_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 uhashlib_sha256_digest(mp_obj_t self_in) { + mp_obj_hash_t *self = MP_OBJ_TO_PTR(self_in); + uhashlib_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_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 + +#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, const mp_obj_t *args, mp_map_t *kw_args) { + mp_arg_check_num(n_args, kw_args, 0, 1, false); + mp_obj_hash_t *o = m_new_obj_var(mp_obj_hash_t, char, sizeof(SHA1_CTX)); + o->base.type = type; + o->final = false; + 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) { + check_not_unicode(arg); + mp_obj_hash_t *self = MP_OBJ_TO_PTR(self_in); + uhashlib_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 uhashlib_sha1_digest(mp_obj_t self_in) { + mp_obj_hash_t *self = MP_OBJ_TO_PTR(self_in); + uhashlib_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_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; + o->final = false; + 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); + uhashlib_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 uhashlib_sha1_digest(mp_obj_t self_in) { + mp_obj_hash_t *self = MP_OBJ_TO_PTR(self_in); + uhashlib_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_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; + o->final = false; + 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); + uhashlib_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 uhashlib_md5_digest(mp_obj_t self_in) { + mp_obj_hash_t *self = MP_OBJ_TO_PTR(self_in); + uhashlib_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_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; + o->final = false; + 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); + uhashlib_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 uhashlib_md5_digest(mp_obj_t self_in) { + mp_obj_hash_t *self = MP_OBJ_TO_PTR(self_in); + uhashlib_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_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_hashlib) }, + #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 |