mirror of
https://github.com/trezor/trezor-firmware.git
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46 lines
1.5 KiB
C
46 lines
1.5 KiB
C
/*
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* Copyright (c) Pavol Rusnak, SatoshiLabs
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*
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* Licensed under Microsoft Reference Source License (Ms-RSL)
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* see LICENSE.md file for details
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*/
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#include "trezor-crypto/sha2.h"
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// class Sha256(object):
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typedef struct _mp_obj_Sha256_t {
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mp_obj_base_t base;
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} mp_obj_Sha256_t;
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// def Sha256.__init__(self):
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STATIC mp_obj_t mod_TrezorCrypto_Sha256_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_obj_Sha256_t *o = m_new_obj(mp_obj_Sha256_t);
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o->base.type = type;
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return MP_OBJ_FROM_PTR(o);
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}
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// def Sha256.hash(self, data: bytes) -> bytes
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STATIC mp_obj_t mod_TrezorCrypto_Sha256_hash(mp_obj_t self, mp_obj_t data) {
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mp_buffer_info_t databuf;
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mp_get_buffer_raise(data, &databuf, MP_BUFFER_READ);
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vstr_t vstr;
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vstr_init_len(&vstr, 32); // 256 bit = 32 bytes
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sha256_Raw(databuf.buf, databuf.len, (uint8_t *)vstr.buf);
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return mp_obj_new_str_from_vstr(&mp_type_bytes, &vstr);
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_2(mod_TrezorCrypto_Sha256_hash_obj, mod_TrezorCrypto_Sha256_hash);
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// Sha256 stuff
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STATIC const mp_rom_map_elem_t mod_TrezorCrypto_Sha256_locals_dict_table[] = {
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{ MP_ROM_QSTR(MP_QSTR_hash), MP_ROM_PTR(&mod_TrezorCrypto_Sha256_hash_obj) },
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};
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STATIC MP_DEFINE_CONST_DICT(mod_TrezorCrypto_Sha256_locals_dict, mod_TrezorCrypto_Sha256_locals_dict_table);
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STATIC const mp_obj_type_t mod_TrezorCrypto_Sha256_type = {
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{ &mp_type_type },
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.name = MP_QSTR_Sha256,
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.make_new = mod_TrezorCrypto_Sha256_make_new,
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.locals_dict = (void*)&mod_TrezorCrypto_Sha256_locals_dict,
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};
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