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cardano: add low-level support for passhrase

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Pavol Rusnak 2018-10-26 12:09:10 +02:00
parent a15eb933e1
commit c8ad355032
No known key found for this signature in database
GPG Key ID: 91F3B339B9A02A3D
6 changed files with 20 additions and 13 deletions
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12
embed/extmod/modtrezorcrypto/modtrezorcrypto-bip32.h
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@ -504,15 +504,17 @@ STATIC mp_obj_t mod_trezorcrypto_bip32_from_seed(mp_obj_t seed, mp_obj_t curve_n
} }
STATIC MP_DEFINE_CONST_FUN_OBJ_2(mod_trezorcrypto_bip32_from_seed_obj, mod_trezorcrypto_bip32_from_seed); STATIC MP_DEFINE_CONST_FUN_OBJ_2(mod_trezorcrypto_bip32_from_seed_obj, mod_trezorcrypto_bip32_from_seed);
/// def from_mnemonic_cardano(mnemonic: str) -> bytes: /// def from_mnemonic_cardano(mnemonic: str, passphrase: str) -> bytes:
/// ''' /// '''
/// Convert mnemonic to hdnode /// Convert mnemonic to hdnode
/// ''' /// '''
STATIC mp_obj_t mod_trezorcrypto_bip32_from_mnemonic_cardano(mp_obj_t mnemonic) { STATIC mp_obj_t mod_trezorcrypto_bip32_from_mnemonic_cardano(mp_obj_t mnemonic, mp_obj_t passphrase) {
mp_buffer_info_t mnemo; mp_buffer_info_t mnemo, phrase;
mp_get_buffer_raise(mnemonic, &mnemo, MP_BUFFER_READ); mp_get_buffer_raise(mnemonic, &mnemo, MP_BUFFER_READ);
mp_get_buffer_raise(passphrase, &phrase, MP_BUFFER_READ);
HDNode hdnode; HDNode hdnode;
const char *pmnemonic = mnemo.len > 0 ? mnemo.buf : ""; const char *pmnemonic = mnemo.len > 0 ? mnemo.buf : "";
const char *ppassphrase = phrase.len > 0 ? phrase.buf : "";
uint8_t entropy[64]; uint8_t entropy[64];
int entropy_len = mnemonic_to_entropy(pmnemonic, entropy); int entropy_len = mnemonic_to_entropy(pmnemonic, entropy);
@ -521,7 +523,7 @@ STATIC mp_obj_t mod_trezorcrypto_bip32_from_mnemonic_cardano(mp_obj_t mnemonic)
mp_raise_ValueError("Invalid mnemonic"); mp_raise_ValueError("Invalid mnemonic");
} }
const int res = hdnode_from_seed_cardano((const uint8_t *)"", 0, entropy, entropy_len / 8, &hdnode); const int res = hdnode_from_seed_cardano((const uint8_t *)ppassphrase, phrase.len, entropy, entropy_len / 8, &hdnode);
if (!res) { if (!res) {
mp_raise_ValueError("Secret key generation from mnemonic is looping forever"); mp_raise_ValueError("Secret key generation from mnemonic is looping forever");
@ -536,7 +538,7 @@ STATIC mp_obj_t mod_trezorcrypto_bip32_from_mnemonic_cardano(mp_obj_t mnemonic)
return MP_OBJ_FROM_PTR(o); return MP_OBJ_FROM_PTR(o);
} }
STATIC MP_DEFINE_CONST_FUN_OBJ_1(mod_trezorcrypto_bip32_from_mnemonic_cardano_obj, STATIC MP_DEFINE_CONST_FUN_OBJ_2(mod_trezorcrypto_bip32_from_mnemonic_cardano_obj,
mod_trezorcrypto_bip32_from_mnemonic_cardano); mod_trezorcrypto_bip32_from_mnemonic_cardano);

2
src/apps/cardano/get_address.py
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@ -10,7 +10,7 @@ from apps.common import storage
async def get_address(ctx, msg): async def get_address(ctx, msg):
mnemonic = storage.get_mnemonic() mnemonic = storage.get_mnemonic()
root_node = bip32.from_mnemonic_cardano(mnemonic) root_node = bip32.from_mnemonic_cardano(mnemonic, "")
try: try:
address, _ = derive_address_and_node(root_node, msg.address_n) address, _ = derive_address_and_node(root_node, msg.address_n)

2
src/apps/cardano/get_public_key.py
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@ -12,7 +12,7 @@ from apps.common import layout, seed, storage
async def get_public_key(ctx, msg): async def get_public_key(ctx, msg):
mnemonic = storage.get_mnemonic() mnemonic = storage.get_mnemonic()
root_node = bip32.from_mnemonic_cardano(mnemonic) root_node = bip32.from_mnemonic_cardano(mnemonic, "")
try: try:
key = _get_public_key(root_node, msg.address_n) key = _get_public_key(root_node, msg.address_n)

2
src/apps/cardano/sign_tx.py
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@ -80,7 +80,7 @@ async def request_transaction(ctx, tx_req: CardanoTxRequest, index: int):
async def sign_tx(ctx, msg): async def sign_tx(ctx, msg):
mnemonic = storage.get_mnemonic() mnemonic = storage.get_mnemonic()
root_node = bip32.from_mnemonic_cardano(mnemonic) root_node = bip32.from_mnemonic_cardano(mnemonic, "")
progress.init(msg.transactions_count, "Loading data") progress.init(msg.transactions_count, "Loading data")

12
tests/test_apps.cardano.address.py
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@ -14,7 +14,8 @@ from trezor.crypto import bip32
class TestCardanoAddress(unittest.TestCase): class TestCardanoAddress(unittest.TestCase):
def test_hardened_address_derivation_scheme(self): def test_hardened_address_derivation_scheme(self):
mnemonic = "all all all all all all all all all all all all" mnemonic = "all all all all all all all all all all all all"
node = bip32.from_mnemonic_cardano(mnemonic) passphrase = ""
node = bip32.from_mnemonic_cardano(mnemonic, passphrase)
addresses = [ addresses = [
"Ae2tdPwUPEZ98eHFwxSsPBDz73amioKpr58Vw85mP1tMkzq8siaftiejJ3j", "Ae2tdPwUPEZ98eHFwxSsPBDz73amioKpr58Vw85mP1tMkzq8siaftiejJ3j",
@ -57,7 +58,8 @@ class TestCardanoAddress(unittest.TestCase):
def test_non_hardened_address_derivation_scheme(self): def test_non_hardened_address_derivation_scheme(self):
mnemonic = "all all all all all all all all all all all all" mnemonic = "all all all all all all all all all all all all"
node = bip32.from_mnemonic_cardano(mnemonic) passphrase = ""
node = bip32.from_mnemonic_cardano(mnemonic, passphrase)
addresses = [ addresses = [
"Ae2tdPwUPEZ5YUb8sM3eS8JqKgrRLzhiu71crfuH2MFtqaYr5ACNRdsswsZ", "Ae2tdPwUPEZ5YUb8sM3eS8JqKgrRLzhiu71crfuH2MFtqaYr5ACNRdsswsZ",
@ -101,7 +103,8 @@ class TestCardanoAddress(unittest.TestCase):
def test_root_address_derivation_scheme(self): def test_root_address_derivation_scheme(self):
mnemonic = "all all all all all all all all all all all all" mnemonic = "all all all all all all all all all all all all"
node = bip32.from_mnemonic_cardano(mnemonic) passphrase = ""
node = bip32.from_mnemonic_cardano(mnemonic, passphrase)
# 44'/1815' # 44'/1815'
address, _ = derive_address_and_node(node, [0x80000000 | 44, 0x80000000 | 1815]) address, _ = derive_address_and_node(node, [0x80000000 | 44, 0x80000000 | 1815])
@ -152,7 +155,8 @@ class TestCardanoAddress(unittest.TestCase):
def test_get_address_root_scheme(self): def test_get_address_root_scheme(self):
mnemonic = "all all all all all all all all all all all all" mnemonic = "all all all all all all all all all all all all"
root_node = bip32.from_mnemonic_cardano(mnemonic) passphrase = ""
root_node = bip32.from_mnemonic_cardano(mnemonic, passphrase)
address_root = _get_address_root(root_node, {1: b'X\x1cr,zu\x81?\xaf\xde\x9f\xf9\xe4\xd4\x90\xadH$\xe9\xf3\x88\x16\xcb\xd2)\x02M\x0c#\xde'}) address_root = _get_address_root(root_node, {1: b'X\x1cr,zu\x81?\xaf\xde\x9f\xf9\xe4\xd4\x90\xadH$\xe9\xf3\x88\x16\xcb\xd2)\x02M\x0c#\xde'})
self.assertEqual(address_root, b'\xb3\xbbS\xa8;uN:E=\xe8\xe5\x9c\x18\xbcn\xcf\xd0c\xba\x0e\xba\xaelL}\xba\xbb') self.assertEqual(address_root, b'\xb3\xbbS\xa8;uN:E=\xe8\xe5\x9c\x18\xbcn\xcf\xd0c\xba\x0e\xba\xaelL}\xba\xbb')

3
tests/test_apps.cardano.get_public_key.py
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@ -8,7 +8,8 @@ from ubinascii import hexlify
class TestCardanoGetPublicKey(unittest.TestCase): class TestCardanoGetPublicKey(unittest.TestCase):
def test_get_public_key_scheme(self): def test_get_public_key_scheme(self):
mnemonic = "all all all all all all all all all all all all" mnemonic = "all all all all all all all all all all all all"
node = bip32.from_mnemonic_cardano(mnemonic) passphrase = ""
node = bip32.from_mnemonic_cardano(mnemonic, passphrase)
derivation_paths = [ derivation_paths = [
[0x80000000 | 44, 0x80000000 | 1815, 0x80000000, 0, 0x80000000], [0x80000000 | 44, 0x80000000 | 1815, 0x80000000, 0, 0x80000000],