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@ -29,22 +29,34 @@
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typedef struct _mp_obj_Sha3_512_t {
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mp_obj_base_t base;
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SHA3_CTX ctx;
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bool keccak;
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} mp_obj_Sha3_512_t;
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STATIC mp_obj_t mod_trezorcrypto_Sha3_512_update(mp_obj_t self, mp_obj_t data);
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/// def __init__(self, data: bytes = None) -> None:
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/// def __init__(self, data: bytes = None, keccak = False) -> 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_Sha3_512_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_arg_check_num(n_args, n_kw, 0, 1, true);
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mp_obj_Sha3_512_t *o = m_new_obj(mp_obj_Sha3_512_t);
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o->base.type = type;
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o->keccak = 0;
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sha3_512_Init(&(o->ctx));
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// constructor called with bytes/str as first parameter
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if (n_args == 1) {
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mod_trezorcrypto_Sha3_512_update(MP_OBJ_FROM_PTR(o), args[0]);
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STATIC const mp_arg_t allowed_args[] = {
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{ MP_QSTR_data, MP_ARG_OBJ, {.u_obj = mp_const_none} },
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{ MP_QSTR_keccak, MP_ARG_OBJ | MP_ARG_KW_ONLY, {.u_obj = MP_OBJ_NULL} },
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};
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mp_arg_val_t vals[MP_ARRAY_SIZE(allowed_args)];
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mp_arg_parse_all_kw_array(n_args, n_kw, args, MP_ARRAY_SIZE(allowed_args), allowed_args, vals);
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if (vals[1].u_obj != MP_OBJ_NULL){
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o->keccak = mp_obj_is_true(vals[1].u_obj);
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}
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if (vals[0].u_obj != mp_const_none){
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mod_trezorcrypto_Sha3_512_update(MP_OBJ_FROM_PTR(o), vals[0].u_obj);
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}
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return MP_OBJ_FROM_PTR(o);
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}
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@ -64,16 +76,16 @@ STATIC mp_obj_t mod_trezorcrypto_Sha3_512_update(mp_obj_t self, mp_obj_t data) {
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_2(mod_trezorcrypto_Sha3_512_update_obj, mod_trezorcrypto_Sha3_512_update);
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/// def digest(self, keccak: bool = False) -> bytes:
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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_Sha3_512_digest(size_t n_args, const mp_obj_t *args) {
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mp_obj_Sha3_512_t *o = MP_OBJ_TO_PTR(args[0]);
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STATIC mp_obj_t mod_trezorcrypto_Sha3_512_digest(mp_obj_t self) {
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mp_obj_Sha3_512_t *o = MP_OBJ_TO_PTR(self);
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uint8_t out[SHA3_512_DIGEST_LENGTH];
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SHA3_CTX ctx;
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memcpy(&ctx, &(o->ctx), sizeof(SHA3_CTX));
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if (n_args > 1 && args[1] == mp_const_true) {
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if (o->keccak) {
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keccak_Final(&ctx, out);
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} else {
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sha3_Final(&ctx, out);
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@ -81,7 +93,22 @@ STATIC mp_obj_t mod_trezorcrypto_Sha3_512_digest(size_t n_args, const mp_obj_t *
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memset(&ctx, 0, sizeof(SHA3_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_VAR_BETWEEN(mod_trezorcrypto_Sha3_512_digest_obj, 1, 2, mod_trezorcrypto_Sha3_512_digest);
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STATIC MP_DEFINE_CONST_FUN_OBJ_1(mod_trezorcrypto_Sha3_512_digest_obj, mod_trezorcrypto_Sha3_512_digest);
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/// def copy(self) -> sha3:
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/// '''
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/// Returns the copy of the digest object with the current state
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/// '''
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STATIC mp_obj_t mod_trezorcrypto_Sha3_512_copy(size_t n_args, const mp_obj_t *args) {
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mp_obj_Sha3_512_t *o = MP_OBJ_TO_PTR(args[0]);
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mp_obj_Sha3_512_t *out = m_new_obj(mp_obj_Sha3_512_t);
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out->base.type = o->base.type;
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out->keccak = o->keccak;
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memcpy(&(out->ctx), &(o->ctx), sizeof(SHA3_CTX));
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return MP_OBJ_FROM_PTR(out);
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(mod_trezorcrypto_Sha3_512_copy_obj, 1, 1, mod_trezorcrypto_Sha3_512_copy);
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STATIC mp_obj_t mod_trezorcrypto_Sha3_512___del__(mp_obj_t self) {
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mp_obj_Sha3_512_t *o = MP_OBJ_TO_PTR(self);
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@ -93,6 +120,7 @@ STATIC MP_DEFINE_CONST_FUN_OBJ_1(mod_trezorcrypto_Sha3_512___del___obj, mod_trez
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STATIC const mp_rom_map_elem_t mod_trezorcrypto_Sha3_512_locals_dict_table[] = {
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{ MP_ROM_QSTR(MP_QSTR_update), MP_ROM_PTR(&mod_trezorcrypto_Sha3_512_update_obj) },
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{ MP_ROM_QSTR(MP_QSTR_digest), MP_ROM_PTR(&mod_trezorcrypto_Sha3_512_digest_obj) },
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{ MP_ROM_QSTR(MP_QSTR_copy), MP_ROM_PTR(&mod_trezorcrypto_Sha3_512_copy_obj) },
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{ MP_ROM_QSTR(MP_QSTR___del__), MP_ROM_PTR(&mod_trezorcrypto_Sha3_512___del___obj) },
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{ MP_ROM_QSTR(MP_QSTR_block_size), MP_OBJ_NEW_SMALL_INT(SHA3_512_BLOCK_LENGTH) },
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{ MP_ROM_QSTR(MP_QSTR_digest_size), MP_OBJ_NEW_SMALL_INT(SHA3_512_DIGEST_LENGTH) },
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