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use mp_obj_new_str_of_type where it makes sense instead of mp_obj_new_str_from_vstr

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This commit is contained in:
Pavol Rusnak 2016-10-07 13:57:21 +02:00
parent 2bba78bf87
commit 3e8b025cbd
No known key found for this signature in database
GPG Key ID: 91F3B339B9A02A3D
4 changed files with 11 additions and 12 deletions
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10
extmod/modtrezorcrypto/modtrezorcrypto-bip39.h
View File

@ -30,10 +30,7 @@ STATIC mp_obj_t mod_TrezorCrypto_Bip39_generate(mp_obj_t self, mp_obj_t strength
mp_raise_ValueError("Invalid bit strength (only 128, 160, 192, 224 and 256 values are allowed)");
}
const char *mnemo = mnemonic_generate(bits);
vstr_t vstr;
vstr_init_len(&vstr, strlen(mnemo));
strcpy(vstr.buf, mnemo);
return mp_obj_new_str_from_vstr(&mp_type_str, &vstr);
return mp_obj_new_str_of_type(&mp_type_str, (uint8_t *)mnemo, strlen(mnemo));
}
STATIC MP_DEFINE_CONST_FUN_OBJ_2(mod_TrezorCrypto_Bip39_generate_obj, mod_TrezorCrypto_Bip39_generate);
@ -48,10 +45,7 @@ STATIC mp_obj_t mod_TrezorCrypto_Bip39_from_data(mp_obj_t self, mp_obj_t data) {
mp_raise_ValueError("Invalid data length (only 16, 20, 24, 28 and 32 bytes are allowed)");
}
const char *mnemo = mnemonic_from_data(bin.buf, bin.len);
vstr_t vstr;
vstr_init_len(&vstr, strlen(mnemo));
strcpy(vstr.buf, mnemo);
return mp_obj_new_str_from_vstr(&mp_type_str, &vstr);
return mp_obj_new_str_of_type(&mp_type_str, (uint8_t *)mnemo, strlen(mnemo));
}
STATIC MP_DEFINE_CONST_FUN_OBJ_2(mod_TrezorCrypto_Bip39_from_data_obj, mod_TrezorCrypto_Bip39_from_data);

3
extmod/modtrezorcrypto/modtrezorcrypto-random.h
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@ -39,6 +39,9 @@ STATIC MP_DEFINE_CONST_FUN_OBJ_2(mod_TrezorCrypto_Random_uniform_obj, mod_Trezor
/// '''
STATIC mp_obj_t mod_TrezorCrypto_Random_bytes(mp_obj_t self, mp_obj_t len) {
uint32_t l = mp_obj_get_int(len);
if (l > 8192) {
mp_raise_ValueError("Maximum requested size is 8192");
}
vstr_t vstr;
vstr_init_len(&vstr, l);
random_buffer((uint8_t *)vstr.buf, l);

6
extmod/modtrezormsg/modtrezormsg.c
View File

@ -13,6 +13,7 @@
#include "py/runtime.h"
#include "py/binary.h"
#include "py/mphal.h"
#include "py/objstr.h"
#if MICROPY_PY_TREZORMSG
@ -107,12 +108,9 @@ STATIC mp_obj_t mod_TrezorMsg_Msg_select(mp_obj_t self, mp_obj_t timeout_us) {
uint8_t recvbuf[64];
ssize_t l = msg_recv(&iface, recvbuf, 64);
if (l > 0) {
vstr_t vstr;
vstr_init_len(&vstr, l);
memcpy(vstr.buf, recvbuf, l);
mp_obj_tuple_t *tuple = MP_OBJ_TO_PTR(mp_obj_new_tuple(2, NULL));
tuple->items[0] = MP_OBJ_NEW_SMALL_INT(iface);
tuple->items[1] = mp_obj_new_str_from_vstr(&mp_type_bytes, &vstr);
tuple->items[1] = mp_obj_new_str_of_type(&mp_type_bytes, recvbuf, l);
return MP_OBJ_FROM_PTR(tuple);
}
if (timeout <= 0) {

4
src/tests/test_crypto_random.py
View File

@ -23,6 +23,10 @@ class TestCryptoRandom(unittest.TestCase):
lst = random.bytes(l)
self.assertEqual(len(lst), l)
def test_bytes_big_length(self):
with self.assertRaises(ValueError):
random.bytes(10000)
def test_bytes_uniform(self):
for _ in range(100):
b = random.bytes(8000)