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Add Groestl512 to modtrezorcrypto
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105
embed/extmod/modtrezorcrypto/modtrezorcrypto-groestl.h
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105
embed/extmod/modtrezorcrypto/modtrezorcrypto-groestl.h
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/*
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* This file is part of the TREZOR project, https://trezor.io/
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*
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* Copyright (c) SatoshiLabs
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "py/objstr.h"
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#include "groestl.h"
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#include "memzero.h"
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#define GROESTL512_DIGEST_LENGTH 64
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#define GROESTL512_BLOCK_LENGTH 128
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/// class Groestl512:
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/// '''
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/// GROESTL512 context.
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/// '''
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typedef struct _mp_obj_Groestl512_t {
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mp_obj_base_t base;
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GROESTL512_CTX ctx;
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} mp_obj_Groestl512_t;
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STATIC mp_obj_t mod_trezorcrypto_Groestl512_update(mp_obj_t self, mp_obj_t data);
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/// def __init__(self, data: bytes = None) -> None:
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/// '''
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/// Creates a hash context object.
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/// '''
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STATIC mp_obj_t mod_trezorcrypto_Groestl512_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_kw, const mp_obj_t *args) {
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mp_arg_check_num(n_args, n_kw, 0, 1, false);
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mp_obj_Groestl512_t *o = m_new_obj(mp_obj_Groestl512_t);
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o->base.type = type;
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groestl512_Init(&(o->ctx));
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if (n_args == 1) {
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mod_trezorcrypto_Groestl512_update(MP_OBJ_FROM_PTR(o), args[0]);
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}
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return MP_OBJ_FROM_PTR(o);
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}
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/// def update(self, data: bytes) -> None:
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/// '''
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/// Update the hash context with hashed data.
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/// '''
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STATIC mp_obj_t mod_trezorcrypto_Groestl512_update(mp_obj_t self, mp_obj_t data) {
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mp_obj_Groestl512_t *o = MP_OBJ_TO_PTR(self);
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mp_buffer_info_t msg;
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mp_get_buffer_raise(data, &msg, MP_BUFFER_READ);
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if (msg.len > 0) {
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groestl512_Update(&(o->ctx), msg.buf, msg.len);
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}
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return mp_const_none;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_2(mod_trezorcrypto_Groestl512_update_obj, mod_trezorcrypto_Groestl512_update);
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/// def digest(self) -> bytes:
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/// '''
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/// Returns the digest of hashed data.
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/// '''
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STATIC mp_obj_t mod_trezorcrypto_Groestl512_digest(mp_obj_t self) {
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mp_obj_Groestl512_t *o = MP_OBJ_TO_PTR(self);
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uint8_t out[GROESTL512_DIGEST_LENGTH];
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GROESTL512_CTX ctx;
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memcpy(&ctx, &(o->ctx), sizeof(GROESTL512_CTX));
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groestl512_Final(&ctx, out);
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memset(&ctx, 0, sizeof(GROESTL512_CTX));
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return mp_obj_new_bytes(out, sizeof(out));
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_1(mod_trezorcrypto_Groestl512_digest_obj, mod_trezorcrypto_Groestl512_digest);
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STATIC mp_obj_t mod_trezorcrypto_Groestl512___del__(mp_obj_t self) {
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mp_obj_Groestl512_t *o = MP_OBJ_TO_PTR(self);
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memzero(&(o->ctx), sizeof(GROESTL512_CTX));
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return mp_const_none;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_1(mod_trezorcrypto_Groestl512___del___obj, mod_trezorcrypto_Groestl512___del__);
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STATIC const mp_rom_map_elem_t mod_trezorcrypto_Groestl512_locals_dict_table[] = {
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{ MP_ROM_QSTR(MP_QSTR_update), MP_ROM_PTR(&mod_trezorcrypto_Groestl512_update_obj) },
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{ MP_ROM_QSTR(MP_QSTR_digest), MP_ROM_PTR(&mod_trezorcrypto_Groestl512_digest_obj) },
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{ MP_ROM_QSTR(MP_QSTR___del__), MP_ROM_PTR(&mod_trezorcrypto_Groestl512___del___obj) },
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{ MP_ROM_QSTR(MP_QSTR_block_size), MP_OBJ_NEW_SMALL_INT(GROESTL512_BLOCK_LENGTH) },
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{ MP_ROM_QSTR(MP_QSTR_digest_size), MP_OBJ_NEW_SMALL_INT(GROESTL512_DIGEST_LENGTH) },
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};
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STATIC MP_DEFINE_CONST_DICT(mod_trezorcrypto_Groestl512_locals_dict, mod_trezorcrypto_Groestl512_locals_dict_table);
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STATIC const mp_obj_type_t mod_trezorcrypto_Groestl512_type = {
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{ &mp_type_type },
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.name = MP_QSTR_Groestl512,
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.make_new = mod_trezorcrypto_Groestl512_make_new,
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.locals_dict = (void*)&mod_trezorcrypto_Groestl512_locals_dict,
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};
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@ -36,6 +36,7 @@
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#include "modtrezorcrypto-curve25519.h"
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#include "modtrezorcrypto-ed25519.h"
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#include "modtrezorcrypto-nist256p1.h"
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#include "modtrezorcrypto-groestl.h"
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#include "modtrezorcrypto-nem.h"
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#include "modtrezorcrypto-pbkdf2.h"
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#include "modtrezorcrypto-random.h"
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@ -61,6 +62,7 @@ STATIC const mp_rom_map_elem_t mp_module_trezorcrypto_globals_table[] = {
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{ MP_ROM_QSTR(MP_QSTR_curve25519), MP_ROM_PTR(&mod_trezorcrypto_curve25519_module) },
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{ MP_ROM_QSTR(MP_QSTR_ed25519), MP_ROM_PTR(&mod_trezorcrypto_ed25519_module) },
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{ MP_ROM_QSTR(MP_QSTR_nist256p1), MP_ROM_PTR(&mod_trezorcrypto_nist256p1_module) },
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{ MP_ROM_QSTR(MP_QSTR_groestl512), MP_ROM_PTR(&mod_trezorcrypto_Groestl512_type) },
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{ MP_ROM_QSTR(MP_QSTR_nem), MP_ROM_PTR(&mod_trezorcrypto_nem_module) },
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{ MP_ROM_QSTR(MP_QSTR_pbkdf2), MP_ROM_PTR(&mod_trezorcrypto_Pbkdf2_type) },
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{ MP_ROM_QSTR(MP_QSTR_random), MP_ROM_PTR(&mod_trezorcrypto_random_module) },
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