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Add Groestl512 to modtrezorcrypto

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Yura Pakhuchiy 2018-07-01 05:15:01 +07:00 committed by Pavol Rusnak
parent 820798998b
commit 28bff537be
2 changed files with 107 additions and 0 deletions
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105
embed/extmod/modtrezorcrypto/modtrezorcrypto-groestl.h Normal file
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@ -0,0 +1,105 @@
/*
* This file is part of the TREZOR project, https://trezor.io/
*
* Copyright (c) SatoshiLabs
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "py/objstr.h"
#include "groestl.h"
#include "memzero.h"
#define GROESTL512_DIGEST_LENGTH 64
#define GROESTL512_BLOCK_LENGTH 128
/// class Groestl512:
/// '''
/// GROESTL512 context.
/// '''
typedef struct _mp_obj_Groestl512_t {
mp_obj_base_t base;
GROESTL512_CTX ctx;
} mp_obj_Groestl512_t;
STATIC mp_obj_t mod_trezorcrypto_Groestl512_update(mp_obj_t self, mp_obj_t data);
/// def __init__(self, data: bytes = None) -> None:
/// '''
/// Creates a hash context object.
/// '''
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) {
mp_arg_check_num(n_args, n_kw, 0, 1, false);
mp_obj_Groestl512_t *o = m_new_obj(mp_obj_Groestl512_t);
o->base.type = type;
groestl512_Init(&(o->ctx));
if (n_args == 1) {
mod_trezorcrypto_Groestl512_update(MP_OBJ_FROM_PTR(o), args[0]);
}
return MP_OBJ_FROM_PTR(o);
}
/// def update(self, data: bytes) -> None:
/// '''
/// Update the hash context with hashed data.
/// '''
STATIC mp_obj_t mod_trezorcrypto_Groestl512_update(mp_obj_t self, mp_obj_t data) {
mp_obj_Groestl512_t *o = MP_OBJ_TO_PTR(self);
mp_buffer_info_t msg;
mp_get_buffer_raise(data, &msg, MP_BUFFER_READ);
if (msg.len > 0) {
groestl512_Update(&(o->ctx), msg.buf, msg.len);
}
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_2(mod_trezorcrypto_Groestl512_update_obj, mod_trezorcrypto_Groestl512_update);
/// def digest(self) -> bytes:
/// '''
/// Returns the digest of hashed data.
/// '''
STATIC mp_obj_t mod_trezorcrypto_Groestl512_digest(mp_obj_t self) {
mp_obj_Groestl512_t *o = MP_OBJ_TO_PTR(self);
uint8_t out[GROESTL512_DIGEST_LENGTH];
GROESTL512_CTX ctx;
memcpy(&ctx, &(o->ctx), sizeof(GROESTL512_CTX));
groestl512_Final(&ctx, out);
memset(&ctx, 0, sizeof(GROESTL512_CTX));
return mp_obj_new_bytes(out, sizeof(out));
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(mod_trezorcrypto_Groestl512_digest_obj, mod_trezorcrypto_Groestl512_digest);
STATIC mp_obj_t mod_trezorcrypto_Groestl512___del__(mp_obj_t self) {
mp_obj_Groestl512_t *o = MP_OBJ_TO_PTR(self);
memzero(&(o->ctx), sizeof(GROESTL512_CTX));
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(mod_trezorcrypto_Groestl512___del___obj, mod_trezorcrypto_Groestl512___del__);
STATIC const mp_rom_map_elem_t mod_trezorcrypto_Groestl512_locals_dict_table[] = {
{ MP_ROM_QSTR(MP_QSTR_update), MP_ROM_PTR(&mod_trezorcrypto_Groestl512_update_obj) },
{ MP_ROM_QSTR(MP_QSTR_digest), MP_ROM_PTR(&mod_trezorcrypto_Groestl512_digest_obj) },
{ MP_ROM_QSTR(MP_QSTR___del__), MP_ROM_PTR(&mod_trezorcrypto_Groestl512___del___obj) },
{ MP_ROM_QSTR(MP_QSTR_block_size), MP_OBJ_NEW_SMALL_INT(GROESTL512_BLOCK_LENGTH) },
{ MP_ROM_QSTR(MP_QSTR_digest_size), MP_OBJ_NEW_SMALL_INT(GROESTL512_DIGEST_LENGTH) },
};
STATIC MP_DEFINE_CONST_DICT(mod_trezorcrypto_Groestl512_locals_dict, mod_trezorcrypto_Groestl512_locals_dict_table);
STATIC const mp_obj_type_t mod_trezorcrypto_Groestl512_type = {
{ &mp_type_type },
.name = MP_QSTR_Groestl512,
.make_new = mod_trezorcrypto_Groestl512_make_new,
.locals_dict = (void*)&mod_trezorcrypto_Groestl512_locals_dict,
};

2
embed/extmod/modtrezorcrypto/modtrezorcrypto.c
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@ -36,6 +36,7 @@
#include "modtrezorcrypto-curve25519.h"
#include "modtrezorcrypto-ed25519.h"
#include "modtrezorcrypto-nist256p1.h"
#include "modtrezorcrypto-groestl.h"
#include "modtrezorcrypto-nem.h"
#include "modtrezorcrypto-pbkdf2.h"
#include "modtrezorcrypto-random.h"
@ -61,6 +62,7 @@ STATIC const mp_rom_map_elem_t mp_module_trezorcrypto_globals_table[] = {
{ MP_ROM_QSTR(MP_QSTR_curve25519), MP_ROM_PTR(&mod_trezorcrypto_curve25519_module) },
{ MP_ROM_QSTR(MP_QSTR_ed25519), MP_ROM_PTR(&mod_trezorcrypto_ed25519_module) },
{ MP_ROM_QSTR(MP_QSTR_nist256p1), MP_ROM_PTR(&mod_trezorcrypto_nist256p1_module) },
{ MP_ROM_QSTR(MP_QSTR_groestl512), MP_ROM_PTR(&mod_trezorcrypto_Groestl512_type) },
{ MP_ROM_QSTR(MP_QSTR_nem), MP_ROM_PTR(&mod_trezorcrypto_nem_module) },
{ MP_ROM_QSTR(MP_QSTR_pbkdf2), MP_ROM_PTR(&mod_trezorcrypto_Pbkdf2_type) },
{ MP_ROM_QSTR(MP_QSTR_random), MP_ROM_PTR(&mod_trezorcrypto_random_module) },