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use streamed version of ripemd160

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This commit is contained in:
Pavol Rusnak 2016-04-14 11:08:38 +02:00
parent 0ab2170cc6
commit 21db5a6ff7
No known key found for this signature in database
GPG Key ID: 91F3B339B9A02A3D
3 changed files with 49 additions and 6 deletions
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20
extmod/modTrezorCrypto/modTrezorCrypto-ripemd160.h
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@ -12,34 +12,43 @@
// class Ripemd160(object): // class Ripemd160(object):
typedef struct _mp_obj_Ripemd160_t { typedef struct _mp_obj_Ripemd160_t {
mp_obj_base_t base; mp_obj_base_t base;
uint8_t hash[20]; RIPEMD160_CTX ctx;
} mp_obj_Ripemd160_t; } mp_obj_Ripemd160_t;
// def Ripemd160.__init__(self, data: bytes = None) // def Ripemd160.__init__(self, data: bytes = None)
STATIC mp_obj_t mod_TrezorCrypto_Ripemd160_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_kw, const mp_obj_t *args) { STATIC mp_obj_t mod_TrezorCrypto_Ripemd160_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_kw, const mp_obj_t *args) {
mp_obj_Ripemd160_t *o = m_new_obj(mp_obj_Ripemd160_t); mp_obj_Ripemd160_t *o = m_new_obj(mp_obj_Ripemd160_t);
o->base.type = type; o->base.type = type;
ripemd160_init(&(o->ctx));
// constructor called with bytes/str as first parameter // constructor called with bytes/str as first parameter
if (n_args == 1) { if (n_args == 1) {
if (!MP_OBJ_IS_STR_OR_BYTES(args[0])) { if (!MP_OBJ_IS_STR_OR_BYTES(args[0])) {
nlr_raise(mp_obj_new_exception_msg(&mp_type_TypeError, "Invalid argument")); nlr_raise(mp_obj_new_exception_msg(&mp_type_TypeError, "Invalid argument"));
} }
GET_STR_DATA_LEN(args[0], data, datalen); GET_STR_DATA_LEN(args[0], data, datalen);
ripemd160(data, datalen, o->hash); ripemd160_update(&(o->ctx), data, datalen);
} else { } else if (n_args != 0) {
nlr_raise(mp_obj_new_exception_msg(&mp_type_TypeError, "Invalid arguments")); nlr_raise(mp_obj_new_exception_msg(&mp_type_TypeError, "Invalid arguments"));
} }
return MP_OBJ_FROM_PTR(o); return MP_OBJ_FROM_PTR(o);
} }
// no update for now ... // def Ripemd160.update(self, data: bytes) -> None
STATIC mp_obj_t mod_TrezorCrypto_Ripemd160_update(mp_obj_t self, mp_obj_t data) {
mp_obj_Ripemd160_t *o = MP_OBJ_TO_PTR(self);
mp_buffer_info_t databuf;
mp_get_buffer_raise(data, &databuf, MP_BUFFER_READ);
ripemd160_update(&(o->ctx), databuf.buf, databuf.len);
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_2(mod_TrezorCrypto_Ripemd160_update_obj, mod_TrezorCrypto_Ripemd160_update);
// def Ripemd160.digest(self) -> bytes // def Ripemd160.digest(self) -> bytes
STATIC mp_obj_t mod_TrezorCrypto_Ripemd160_digest(mp_obj_t self) { STATIC mp_obj_t mod_TrezorCrypto_Ripemd160_digest(mp_obj_t self) {
mp_obj_Ripemd160_t *o = MP_OBJ_TO_PTR(self); mp_obj_Ripemd160_t *o = MP_OBJ_TO_PTR(self);
vstr_t vstr; vstr_t vstr;
vstr_init_len(&vstr, 20); // 160 bit = 20 bytes vstr_init_len(&vstr, 20); // 160 bit = 20 bytes
memcpy(vstr.buf, o->hash, 20); ripemd160_finish(&(o->ctx), (uint8_t *)vstr.buf);
return mp_obj_new_str_from_vstr(&mp_type_bytes, &vstr); return mp_obj_new_str_from_vstr(&mp_type_bytes, &vstr);
} }
STATIC MP_DEFINE_CONST_FUN_OBJ_1(mod_TrezorCrypto_Ripemd160_digest_obj, mod_TrezorCrypto_Ripemd160_digest); STATIC MP_DEFINE_CONST_FUN_OBJ_1(mod_TrezorCrypto_Ripemd160_digest_obj, mod_TrezorCrypto_Ripemd160_digest);
@ -47,6 +56,7 @@ STATIC MP_DEFINE_CONST_FUN_OBJ_1(mod_TrezorCrypto_Ripemd160_digest_obj, mod_Trez
// Ripemd160 stuff // Ripemd160 stuff
STATIC const mp_rom_map_elem_t mod_TrezorCrypto_Ripemd160_locals_dict_table[] = { STATIC const mp_rom_map_elem_t mod_TrezorCrypto_Ripemd160_locals_dict_table[] = {
{ MP_ROM_QSTR(MP_QSTR_update), MP_ROM_PTR(&mod_TrezorCrypto_Ripemd160_update_obj) },
{ MP_ROM_QSTR(MP_QSTR_digest), MP_ROM_PTR(&mod_TrezorCrypto_Ripemd160_digest_obj) }, { MP_ROM_QSTR(MP_QSTR_digest), MP_ROM_PTR(&mod_TrezorCrypto_Ripemd160_digest_obj) },
}; };
STATIC MP_DEFINE_CONST_DICT(mod_TrezorCrypto_Ripemd160_locals_dict, mod_TrezorCrypto_Ripemd160_locals_dict_table); STATIC MP_DEFINE_CONST_DICT(mod_TrezorCrypto_Ripemd160_locals_dict, mod_TrezorCrypto_Ripemd160_locals_dict_table);

33
src/tests/test_crypto_ripemd160.py
View File

@ -20,5 +20,38 @@ class TestCryptoRipemd160(unittest.TestCase):
self.assertEqual(trezor.crypto.hash.ripemd160(b'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789').digest(), trezor.utils.unhexlify('b0e20b6e3116640286ed3a87a5713079b21f5189')) self.assertEqual(trezor.crypto.hash.ripemd160(b'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789').digest(), trezor.utils.unhexlify('b0e20b6e3116640286ed3a87a5713079b21f5189'))
self.assertEqual(trezor.crypto.hash.ripemd160(b'12345678901234567890123456789012345678901234567890123456789012345678901234567890').digest(), trezor.utils.unhexlify('9b752e45573d4b39f4dbd3323cab82bf63326bfb')) self.assertEqual(trezor.crypto.hash.ripemd160(b'12345678901234567890123456789012345678901234567890123456789012345678901234567890').digest(), trezor.utils.unhexlify('9b752e45573d4b39f4dbd3323cab82bf63326bfb'))
def test_update(self):
x = trezor.crypto.hash.ripemd160()
self.assertEqual(x.digest(), trezor.utils.unhexlify('9c1185a5c5e9fc54612808977ee8f548b2258d31'))
x = trezor.crypto.hash.ripemd160()
x.update(b'a')
self.assertEqual(x.digest(), trezor.utils.unhexlify('0bdc9d2d256b3ee9daae347be6f4dc835a467ffe'))
x = trezor.crypto.hash.ripemd160()
x.update(b'abc')
self.assertEqual(x.digest(), trezor.utils.unhexlify('8eb208f7e05d987a9b044a8e98c6b087f15a0bfc'))
x = trezor.crypto.hash.ripemd160()
x.update(b'message digest')
self.assertEqual(x.digest(), trezor.utils.unhexlify('5d0689ef49d2fae572b881b123a85ffa21595f36'))
x = trezor.crypto.hash.ripemd160()
x.update(b'abcdefghijklmnopqrstuvwxyz')
self.assertEqual(x.digest(), trezor.utils.unhexlify('f71c27109c692c1b56bbdceb5b9d2865b3708dbc'))
x = trezor.crypto.hash.ripemd160()
x.update(b'abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq')
self.assertEqual(x.digest(), trezor.utils.unhexlify('12a053384a9c0c88e405a06c27dcf49ada62eb2b'))
x = trezor.crypto.hash.ripemd160()
x.update(b'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789')
self.assertEqual(x.digest(), trezor.utils.unhexlify('b0e20b6e3116640286ed3a87a5713079b21f5189'))
x = trezor.crypto.hash.ripemd160()
for i in range(8):
x.update(b'1234567890')
self.assertEqual(x.digest(), trezor.utils.unhexlify('9b752e45573d4b39f4dbd3323cab82bf63326bfb'))
if __name__ == '__main__': if __name__ == '__main__':
unittest.main() unittest.main()

2
vendor/trezor-crypto vendored

@ -1 +1 @@
Subproject commit bb52cb4ac93dd36e22bac7fef003f5b5488f2e08 Subproject commit 86d6a0b782cc0d61eb37ead53e5aa37f8de7aa0e