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Code Issues Releases Wiki Activity

storage: style

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This commit is contained in:
Tomas Susanka 2019-04-25 11:14:42 +02:00
parent 99329fb30d
commit 18482a9c37
5 changed files with 47 additions and 22 deletions
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21
storage/tests/c/storage.py
View File

@ -10,7 +10,9 @@ class Storage:
self.lib = c.cdll.LoadLibrary(fname)
self.flash_size = c.cast(self.lib.FLASH_SIZE, c.POINTER(c.c_uint32))[0]
self.flash_buffer = c.create_string_buffer(self.flash_size)
c.cast(self.lib.FLASH_BUFFER, c.POINTER(c.c_void_p))[0] = c.addressof(self.flash_buffer)
c.cast(self.lib.FLASH_BUFFER, c.POINTER(c.c_void_p))[0] = c.addressof(
self.flash_buffer
)
def init(self, salt: bytes) -> None:
self.lib.storage_init(0, salt, c.c_uint16(len(salt)))
@ -31,14 +33,18 @@ class Storage:
return self.lib.storage_get_pin_rem()
def change_pin(self, oldpin: int, newpin: int) -> bool:
return sectrue == self.lib.storage_change_pin(c.c_uint32(oldpin), c.c_uint32(newpin))
return sectrue == self.lib.storage_change_pin(
c.c_uint32(oldpin), c.c_uint32(newpin)
)
def get(self, key: int) -> bytes:
val_len = c.c_uint16()
if sectrue != self.lib.storage_get(c.c_uint16(key), None, 0, c.byref(val_len)):
raise RuntimeError("Failed to find key in storage.")
s = c.create_string_buffer(val_len.value)
if sectrue != self.lib.storage_get(c.c_uint16(key), s, val_len, c.byref(val_len)):
if sectrue != self.lib.storage_get(
c.c_uint16(key), s, val_len, c.byref(val_len)
):
raise RuntimeError("Failed to get value from storage.")
return s.raw
@ -47,7 +53,9 @@ class Storage:
raise RuntimeError("Failed to set value in storage.")
def set_counter(self, key: int, count: int) -> bool:
return sectrue == self.lib.storage_set_counter(c.c_uint16(key), c.c_uint32(count))
return sectrue == self.lib.storage_set_counter(
c.c_uint16(key), c.c_uint32(count)
)
def next_counter(self, key: int) -> int:
count = c.c_uint32()
@ -61,7 +69,10 @@ class Storage:
def _dump(self) -> bytes:
# return just sectors 4 and 16 of the whole flash
return [self.flash_buffer[0x010000:0x010000 + 0x10000], self.flash_buffer[0x110000:0x110000 + 0x10000]]
return [
self.flash_buffer[0x010000 : 0x010000 + 0x10000],
self.flash_buffer[0x110000 : 0x110000 + 0x10000],
]
def _get_flash_buffer(self) -> bytes:
return bytes(self.flash_buffer)

19
storage/tests/c0/storage.py
View File

@ -4,13 +4,15 @@ import os
sectrue = -1431655766 # 0xAAAAAAAAA
fname = os.path.join(os.path.dirname(__file__), "libtrezor-storage0.so")
class Storage:
class Storage:
def __init__(self) -> None:
self.lib = c.cdll.LoadLibrary(fname)
self.flash_size = c.cast(self.lib.FLASH_SIZE, c.POINTER(c.c_uint32))[0]
self.flash_buffer = c.create_string_buffer(self.flash_size)
c.cast(self.lib.FLASH_BUFFER, c.POINTER(c.c_void_p))[0] = c.addressof(self.flash_buffer)
c.cast(self.lib.FLASH_BUFFER, c.POINTER(c.c_void_p))[0] = c.addressof(
self.flash_buffer
)
def init(self) -> None:
self.lib.storage_init(0)
@ -28,12 +30,16 @@ class Storage:
return sectrue == self.lib.storage_has_pin()
def change_pin(self, oldpin: int, newpin: int) -> bool:
return sectrue == self.lib.storage_change_pin(c.c_uint32(oldpin), c.c_uint32(newpin))
return sectrue == self.lib.storage_change_pin(
c.c_uint32(oldpin), c.c_uint32(newpin)
)
def get(self, key: int) -> bytes:
val_ptr = c.c_void_p()
val_len = c.c_uint16()
if sectrue != self.lib.storage_get(c.c_uint16(key), c.byref(val_ptr), c.byref(val_len)):
if sectrue != self.lib.storage_get(
c.c_uint16(key), c.byref(val_ptr), c.byref(val_len)
):
raise RuntimeError("Failed to find key in storage.")
return c.string_at(val_ptr, size=val_len.value)
@ -43,7 +49,10 @@ class Storage:
def _dump(self) -> bytes:
# return just sectors 4 and 16 of the whole flash
return [self.flash_buffer[0x010000:0x010000 + 0x10000], self.flash_buffer[0x110000:0x110000 + 0x10000]]
return [
self.flash_buffer[0x010000 : 0x010000 + 0x10000],
self.flash_buffer[0x110000 : 0x110000 + 0x10000],
]
def _get_flash_buffer(self) -> bytes:
return bytes(self.flash_buffer)

2
storage/tests/python/tests/test_norcow.py
View File

@ -1,7 +1,7 @@
import pytest
from . import common
from ..src import consts, norcow
from . import common
def test_norcow_set():

26
storage/tests/test.py
View File

@ -1,18 +1,22 @@
#!/usr/bin/env python3
from c.storage import Storage as StorageC
from c0.storage import Storage as StorageC0
from python.src.storage import Storage as StoragePy
from hashlib import sha256
from c.storage import Storage as StorageC
from python.src.storage import Storage as StoragePy
def hash(data):
return sha256(data).hexdigest()[:16]
# Strings for testing ChaCha20 encryption.
test_strings = [b"Short string.", b"", b"Although ChaCha20 is a stream cipher, it operates on blocks of 64 bytes. This string is over 152 bytes in length so that we test multi-block encryption.", b"This string is exactly 64 bytes long, that is exactly one block."]
test_strings = [
b"Short string.",
b"",
b"Although ChaCha20 is a stream cipher, it operates on blocks of 64 bytes. This string is over 152 bytes in length so that we test multi-block encryption.",
b"This string is exactly 64 bytes long, that is exactly one block.",
]
# Unique device ID for testing.
uid = b"\x67\xce\x6a\xe8\xf7\x9b\x73\x96\x83\x88\x21\x5e"
@ -24,12 +28,12 @@ a = []
for s in [sc, sp]:
print(s.__class__)
s.init(uid)
assert s.unlock(3) == False
assert s.unlock(1) == True
s.set(0xbeef, b"hello")
s.set(0x03fe, b"world!")
s.set(0xbeef, b"satoshi")
s.set(0xbeef, b"Satoshi")
assert s.unlock(3) is False
assert s.unlock(1) is True
s.set(0xBEEF, b"hello")
s.set(0x03FE, b"world!")
s.set(0xBEEF, b"satoshi")
s.set(0xBEEF, b"Satoshi")
for value in test_strings:
s.set(0x0301, value)
assert s.get(0x0301) == value

1
tools/style.py.include
View File

@ -2,3 +2,4 @@
^\./core/src/
^\./crypto/
^\./legacy/
^\./storage/