676 lines
24 KiB
Python
676 lines
24 KiB
Python
# (c) Copyright 2020 by Coinkite Inc. This file is covered by license found in COPYING-CC.
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#
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# Message signing.
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#
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import pytest, time, os, itertools, hashlib
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from pycoin.contrib.msg_signing import parse_signed_message
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from pycoin.key.BIP32Node import BIP32Node
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from msg import verify_message, RFC_SIGNATURE_TEMPLATE, sign_message
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from base64 import b64encode, b64decode
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from ckcc_protocol.protocol import CCProtocolPacker, CCProtoError, CCUserRefused
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from ckcc_protocol.constants import *
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from constants import addr_fmt_names, msg_sign_unmap_addr_fmt
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@pytest.mark.parametrize('msg', [ 'aZ', 'hello', 'abc def eght', "x"*140, 'a'*240])
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@pytest.mark.parametrize('path', [ 'm', "m/1/2", "m/1'/100'", 'm/23H/22p'])
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@pytest.mark.parametrize('addr_fmt', [ AF_CLASSIC, AF_P2WPKH, AF_P2WPKH_P2SH ])
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def test_sign_msg_good(dev, press_select, msg, path, addr_fmt, addr_vs_path):
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msg = msg.encode('ascii')
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dev.send_recv(CCProtocolPacker.sign_message(msg, path, addr_fmt=addr_fmt), timeout=None)
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press_select()
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done = None
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while done == None:
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time.sleep(0.050)
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done = dev.send_recv(CCProtocolPacker.get_signed_msg(), timeout=None)
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assert len(done) == 2, done
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addr, raw = done
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sig = str(b64encode(raw), 'ascii').replace('\n', '')
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assert 40 <= len(raw) <= 65
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# check expected addr was used
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addr_vs_path(addr, path, addr_fmt)
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assert verify_message(addr, sig, msg.decode("ascii")) is True
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def test_sign_msg_refused(dev, press_cancel):
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# user can refuse to sign (cancel)
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msg = b'testing 123'
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path = 'm'
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dev.send_recv(CCProtocolPacker.sign_message(msg, path), timeout=None)
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press_cancel()
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with pytest.raises(CCUserRefused):
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done = None
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while done == None:
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time.sleep(0.050)
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done = dev.send_recv(CCProtocolPacker.get_signed_msg(), timeout=None)
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@pytest.mark.parametrize('path,expect', [
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('1/1hard/2', 'invalid characters'),
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('m/m/m/1/1hard/2', 'invalid characters'),
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('m/', 'empty path component'),
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('m/m', 'invalid characters'),
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('34p/m', 'invalid characters'),
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('234234hh', 'bad component'),
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('23234pp', 'bad component'),
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("23234p'", 'bad component'),
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("m/1p/3455343434443534543345p", 'bad component'),
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("m/\n34p", 'must be ascii printable'),
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("2147483648/1/2/3", 'bad component'), # 2**31 = 0x80000000 not allowed (because that's 0')
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("214748364800/1/2/3", 'bad component'),
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('/'.join('0' for i in range(13)), 'too deep'),
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('///', 'empty path'),
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])
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def test_bad_paths(dev, path, expect):
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with pytest.raises(CCProtoError) as ee:
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dev.send_recv(CCProtocolPacker.get_xpub(path), timeout=None)
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assert expect in str(ee)
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@pytest.fixture
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def sign_on_microsd(open_microsd, cap_story, pick_menu_item, goto_home,
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press_select, microsd_path):
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# sign a file on the microSD card
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def doit(msg, subpath=None, addr_fmt=None, expect_fail=False):
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fname = 't-msgsign.txt'
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result_fname = 't-msgsign-signed.txt'
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# cleanup
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try: os.unlink(microsd_path(result_fname))
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except OSError: pass
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with open_microsd(fname, 'wt') as sd:
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sd.write(msg + '\n')
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if subpath is not None:
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sd.write(subpath + '\n')
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if addr_fmt is not None:
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sd.write(addr_fmt_names[addr_fmt] + '\n')
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goto_home()
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pick_menu_item('Advanced/Tools')
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pick_menu_item('File Management')
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pick_menu_item('Sign Text File')
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time.sleep(.1)
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try:
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pick_menu_item(fname)
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except KeyError:
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if expect_fail:
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return 'NO-FILE'
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raise
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title, story = cap_story()
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if expect_fail:
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assert not story.startswith('Ok to sign this?')
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return story
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assert story.startswith('Ok to sign this?')
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assert msg in story
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assert 'Using the key associated' in story
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if not subpath:
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assert 'm =>' in story
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else:
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x_subpath = subpath.lower().replace('p', "'").replace('h', "'")
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assert ('%s =>' % x_subpath) in story
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press_select()
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# wait for it to finish
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for r in range(10):
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time.sleep(0.1)
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title, story = cap_story()
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if title == 'File Signed': break
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else:
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assert False, 'timed out'
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lines = [i.strip() for i in open_microsd(result_fname, 'rt').readlines()]
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assert lines[0] == '-----BEGIN BITCOIN SIGNED MESSAGE-----'
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assert lines[1:-4] == [msg]
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assert lines[-4] == '-----BEGIN BITCOIN SIGNATURE-----'
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addr = lines[-3]
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sig = lines[-2]
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assert lines[-1] == '-----END BITCOIN SIGNATURE-----'
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return sig, addr
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return doit
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@pytest.mark.parametrize('msg', [ 'ab', 'hello', 'abc def eght', "x"*140, 'a'*240])
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@pytest.mark.parametrize('path', [
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"m/84p/0'/22p",
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None,
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'm',
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"m/1/2",
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"m/1'/100'",
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'm/23H/22p',
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])
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@pytest.mark.parametrize('addr_fmt', [
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None ,
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AF_P2WPKH,
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AF_CLASSIC,
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AF_P2WPKH_P2SH,
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])
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def test_sign_msg_microsd_good(sign_on_microsd, msg, path, addr_vs_path, addr_fmt):
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if (path is None) and (addr_fmt is not None):
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# must give path if addr fmt is to be specified
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return
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# cases we expect to work
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sig, addr = sign_on_microsd(msg, path, addr_fmt)
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raw = b64decode(sig)
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assert 40 <= len(raw) <= 65
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if path is None:
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path = 'm'
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# check expected addr was used
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addr_vs_path(addr, path, addr_fmt)
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assert verify_message(addr, sig, msg) is True
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@pytest.fixture
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def sign_using_nfc(goto_home, pick_menu_item, nfc_write_text, cap_story):
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def doit(body, expect_fail=True):
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goto_home()
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pick_menu_item('Advanced/Tools')
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pick_menu_item('NFC Tools')
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pick_menu_item('Sign Message')
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nfc_write_text(body)
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time.sleep(0.5)
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if expect_fail:
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return cap_story()
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raise NotImplementedError
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return doit
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@pytest.mark.parametrize('msg,concern,no_file', [
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('', 'too short', 0), # zero length not supported
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('a'*1000, 'too long', 1), # too big, won't even be offered as a file
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('a'*300, 'too long', 0), # too big
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('a'*241, 'too long', 0), # too big
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('hello%20sworld'%'', 'many spaces', 0), # spaces
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('hello%10sworld'%'', 'many spaces', 0), # spaces
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('hello%5sworld'%'', 'many spaces', 0), # spaces
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('test\ttest', "must be ascii printable", 0),
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('testêtest', "must be ascii printable", 0),
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])
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@pytest.mark.parametrize('transport', ['sd', 'usb', 'nfc'])
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def test_sign_msg_fails(dev, sign_on_microsd, msg, concern, no_file, transport, sign_using_nfc, path='m/12/34'):
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if transport == 'usb':
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with pytest.raises(CCProtoError) as ee:
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try:
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encoded_msg = msg.encode('ascii')
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except UnicodeEncodeError:
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encoded_msg = msg.encode()
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dev.send_recv(CCProtocolPacker.sign_message(encoded_msg, path), timeout=None)
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story = ee.value.args[0]
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elif transport == 'sd':
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try:
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story = sign_on_microsd(msg, path, expect_fail=True)
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assert story.startswith('Problem: ')
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except AssertionError as e:
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if no_file:
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assert ("No suitable files found" in str(e)) or story == 'NO-FILE'
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return
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elif transport == 'nfc':
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title, story = sign_using_nfc(msg, expect_fail=True)
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assert title == 'ERROR' or "Problem" in story
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else:
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raise ValueError(transport)
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assert concern in story
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@pytest.mark.parametrize('msg,num_iter,expect', [
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('Test2', 1, 'IHra0jSywF1TjIJ5uf7IDECae438cr4o3VmG6Ri7hYlDL+pUEXyUfwLwpiAfUQVqQFLgs6OaX0KsoydpuwRI71o='),
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('Test', 2, 'IDgMx1ljPhLHlKUOwnO/jBIgK+K8n8mvDUDROzTgU8gOaPDMs+eYXJpNXXINUx5WpeV605p5uO6B3TzBVcvs478='),
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('Test1', 3, 'IEt/v9K95YVFuRtRtWaabPVwWOFv1FSA/e874I8ABgYMbRyVvHhSwLFz0RZuO87ukxDd4TOsRdofQwMEA90LCgI='),
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])
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def test_low_R_cases(msg, num_iter, expect, dev, set_seed_words, use_mainnet,
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press_select):
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# Thanks to @craigraw of Sparrow for this test case, copied from:
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# <https://github.com/sparrowwallet/drongo/blob/master/src/test/java/com/sparrowwallet/drongo/crypto/ECKeyTest.java>
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set_seed_words('absent essay fox snake vast pumpkin height crouch silent bulb excuse razor')
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use_mainnet()
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path = "m/44'/0'/0'/0/0" # first address, P2PKH
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addr_fmt = AF_CLASSIC
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#addr = dev.send_recv(CCProtocolPacker.show_address(path, addr_fmt), timeout=None)
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#assert addr == '14JmU9a7SzieZNEtBnsZo688rt3mGrw6hr'
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msg = msg.encode('ascii')
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dev.send_recv(CCProtocolPacker.sign_message(msg, path, addr_fmt=addr_fmt), timeout=None)
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press_select()
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done = None
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while done == None:
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time.sleep(0.050)
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done = dev.send_recv(CCProtocolPacker.get_signed_msg(), timeout=None)
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assert len(done) == 2, done
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got_addr, raw = done
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assert got_addr == '14JmU9a7SzieZNEtBnsZo688rt3mGrw6hr'
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assert 40 <= len(raw) <= 65
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sig = str(b64encode(raw), 'ascii').replace('\n', '')
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if num_iter != 1:
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# I have gotten these cases to pass, but I didn't want to keep the code
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# that grinded for low R in message signing... Ok for txn signing, but
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# needless delay for message signing.
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raise pytest.xfail('no code')
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assert sig == expect
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@pytest.mark.parametrize("body", [
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"coinkite\nm\np2wsh", # invalid address format
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"coinkite\nm\np2sh-p2wsh", # invalid address format
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"coinkite\nm\np2tr", # invalid address format
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"coinkite\nm/0/0/0/0/0/0/0/0/0/0/0/0/0\np2pkh", # invalid path
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"coinkite\nm/0/0/0/0/0/q/0/0/0\np2pkh", # invalid path
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"coinkite yes!\nm\np2pkh", # invalid msg - too many spaces
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"c\nm\np2pkh", # invalid msg - too short
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"coinkite \nm\np2pkh", # invalid msg - trailing space
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" coinkite\nm\np2pkh", # invalid msg - leading space
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])
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def test_nfc_msg_signing_invalid(body, goto_home, pick_menu_item, nfc_write_text, cap_story):
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goto_home()
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pick_menu_item('Advanced/Tools')
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pick_menu_item('NFC Tools')
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pick_menu_item('Sign Message')
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nfc_write_text(body)
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time.sleep(0.5)
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title, story = cap_story()
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assert title == 'ERROR' or "Problem" in story
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@pytest.mark.parametrize("msg", ["coinkite", "Coldcard Signing Device!", 200 * "a"])
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@pytest.mark.parametrize("path", ["", "m/84'/0'/0'/300/0", "m/800'", "m/0/0/0/0/1/1/1"])
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@pytest.mark.parametrize("str_addr_fmt", ["p2pkh", "", "p2wpkh", "p2wpkh-p2sh", "p2sh-p2wpkh"])
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def test_nfc_msg_signing(msg, path, str_addr_fmt, nfc_write_text, nfc_read_text, pick_menu_item,
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goto_home, cap_story, press_select, press_cancel, addr_vs_path):
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for _ in range(5):
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# need to wait for ApproveMessageSign to be popped from ux stack
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try:
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goto_home()
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break
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except:
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time.sleep(0.5)
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pick_menu_item('Advanced/Tools')
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pick_menu_item('NFC Tools')
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pick_menu_item('Sign Message')
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if str_addr_fmt != "":
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addr_fmt = msg_sign_unmap_addr_fmt[str_addr_fmt]
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body = "\n".join([msg, path, str_addr_fmt])
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else:
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addr_fmt = AF_CLASSIC
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body = "\n".join([msg, path])
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nfc_write_text(body)
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time.sleep(0.5)
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_, story = cap_story()
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assert "Ok to sign this?" in story
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assert msg in story
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assert path in story
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press_select()
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signed_msg = nfc_read_text()
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if "BITCOIN SIGNED MESSAGE" not in signed_msg:
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# missed it? again
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signed_msg = nfc_read_text()
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press_select() # exit NFC animation
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pmsg, addr, sig = parse_signed_message(signed_msg)
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assert pmsg == msg
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addr_vs_path(addr, path, addr_fmt)
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assert verify_message(addr, sig, msg) is True
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time.sleep(0.5)
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_, story = cap_story()
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assert "Press OK to share again" in story
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press_select()
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signed_msg_again = nfc_read_text()
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assert signed_msg == signed_msg_again
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press_cancel() # exit NFC animation
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press_cancel() # do not want to share again
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@pytest.fixture
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def verify_armored_signature(pick_menu_item, nfc_write_text, press_select,
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cap_story, goto_home):
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def doit(way, fname=None, signed_msg=None):
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goto_home()
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pick_menu_item('Advanced/Tools')
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if way == "nfc":
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pick_menu_item('NFC Tools')
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else:
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pick_menu_item('File Management')
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pick_menu_item('Verify Sig File'),
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if way == "nfc":
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nfc_write_text(signed_msg)
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else:
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time.sleep(.1)
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pick_menu_item(fname)
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time.sleep(0.3)
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title, story = cap_story()
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return title, story
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return doit
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@pytest.mark.bitcoind
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@pytest.mark.parametrize("way", ("sd", "nfc"))
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@pytest.mark.parametrize("addr_fmt", ("p2pkh", "p2sh-p2wpkh", "p2wpkh"))
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@pytest.mark.parametrize("path", ("m/1'", "m/3'/2'/1'", "m/1000'/100'/10'/1"))
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@pytest.mark.parametrize("msg", (
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"coldcard", "blablablablablablablabla", "morecornfor us", 240 * "a",
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))
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def test_verify_signature_file(way, addr_fmt, path, msg, sign_on_microsd, goto_home, pick_menu_item,
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cap_story, bitcoind, microsd_path, nfc_write_text,
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verify_armored_signature):
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sig, addr = sign_on_microsd(msg, path, msg_sign_unmap_addr_fmt[addr_fmt])
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fname = 't-msgsign-signed.txt'
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should = RFC_SIGNATURE_TEMPLATE.format(addr=addr, sig=sig, msg=msg)
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with open(microsd_path(fname), "r") as f:
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got = f.read()
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assert should == got
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title, story = verify_armored_signature(way, fname, should)
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assert title == "CORRECT"
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assert "Good signature" in story
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assert addr in story
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if addr_fmt == "p2pkh":
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res = bitcoind.rpc.verifymessage(addr, sig, msg)
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assert res is True
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@pytest.mark.parametrize("way", ("sd", "nfc"))
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@pytest.mark.parametrize("addr_sig", list(itertools.product(
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["mwhrUneshkXh8yUw2L2T16UYCoF3ouy4L2",
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"2MudcM4zWNf2rsR1RxvPaMgk5EssH7TXTH8",
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"tb1qkxgmh66fdthecudx042feulz3ymzkyuf7gma0x"],
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["H3jE1G2pv+6GG35Unak824xig8GzotLE8pFfvNwlgGU7KebANAxo7RuwybCNXrK9+RvjUEohtffM521N+phQNX0=",
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"I3jE1G2pv+6GG35Unak824xig8GzotLE8pFfvNwlgGU7KebANAxo7RuwybCNXrK9+RvjUEohtffM521N+phQNX0=",
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"J3jE1G2pv+6GG35Unak824xig8GzotLE8pFfvNwlgGU7KebANAxo7RuwybCNXrK9+RvjUEohtffM521N+phQNX0="]
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)))
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def test_verify_signature_file_header_warning(way, addr_sig, microsd_path, verify_armored_signature,
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cap_story):
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warning = "Specified address format does not match signature header byte format."
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text = "Correctly signed, but not by this Coldcard"
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fname = "warn-signed.sig"
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addr, sig = addr_sig
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tmplt = RFC_SIGNATURE_TEMPLATE.format(addr=addr, sig=sig, msg="aaaaaaaaaaaaaaaaaa")
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if way != "nfc":
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with open(microsd_path(fname), "w") as f:
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f.write(tmplt)
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title, story = verify_armored_signature(way, fname, tmplt)
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assert title == "CORRECT"
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if (addr[0] + sig[0]) not in ("mH", "2I", "tJ"): # not in correct pair
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assert text in story
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assert warning in story
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@pytest.mark.parametrize("way", ("sd", "nfc"))
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@pytest.mark.parametrize("addr_sig", [
|
|
# bad signature - signature not base64
|
|
("tb1qk3vdwdewzqkmagakdxfga3nrqgxnpw74h4w5p4", "$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$", 0),
|
|
("tb1qk3vdwdewzqkmagakdxfga3nrqgxnpw74h4w5p4", "fsdfsfsd97887989s7dfs8d7f8s7d8f7sd8f78sddgf8fg8*^&#^$@&dgfgdfgdfgdfgdfgdf#N&^%@$%N(@#==", 0),
|
|
# bad signature - signature from different secret
|
|
("tb1qk3vdwdewzqkmagakdxfga3nrqgxnpw74h4w5p4", "KPxCN2edt9w5ukd0feOlFS6PJjsKwm6ii/erZErKDIApIxjHqxBzoDvVqcTX0mtecNTGCkJPhxjRKCjNtdnTAp0=", 3),
|
|
# bad signature length
|
|
("mwxYMLpcbLjBdtbVdb1kKxHiR4rcAzqPxR", "H3h4eHh4eHh4eHh4eHh4eHh4eHh4eHh4eHh4eHh4eHh4eHh4eHh4eHh4eHh4eHh4eHh4eHh4eHh4eHh4eHh4eHh4", 2),
|
|
("mwxYMLpcbLjBdtbVdb1kKxHiR4rcAzqPxR", "H3l5eXl5eXl5eXl5eXl5eXl5eXl5eXl5eXl5eXl5eXl5eXl5eXl5eXl5eXl5eXl5eXl5eXl5eXl5eXl5eXl5eQ==", 2),
|
|
# p2tr
|
|
("bc1pw508d6qejxtdg4y5r3zarvary0c5xw7kw508d6qejxtdg4y5r3zarvary0c5xw7kt5nd6y", "KPxCN2edt9w5ukd0feOlFS6PJjsKwm6ii/erZErKDIApIxjHqxBzoDvVqcTX0mtecNTGCkJPhxjRKCjNtdnTAp0=", 1),
|
|
# p2wsh
|
|
("bc1q2c8pym4m755pq4n4shu2wgzr7s58pygz8x6pg0mj0l6netq8am8qw69kss", "KPxCN2edt9w5ukd0feOlFS6PJjsKwm6ii/erZErKDIApIxjHqxBzoDvVqcTX0mtecNTGCkJPhxjRKCjNtdnTAp0=", 1),
|
|
])
|
|
def test_verify_signature_file_fail(way, addr_sig, microsd_path, cap_story, goto_home, nfc_write_text,
|
|
pick_menu_item, verify_armored_signature):
|
|
fname = "fail-signed.txt"
|
|
addr, sig, err_no = addr_sig
|
|
|
|
error_map = {
|
|
0: "Parsing signature failed",
|
|
1: "Invalid address format - must be one of p2pkh, p2sh-p2wpkh, or p2wpkh.",
|
|
2: "Parsing signature failed - invalid encoding.",
|
|
3: "Invalid signature for message."
|
|
}
|
|
tmplt = RFC_SIGNATURE_TEMPLATE.format(msg="aaaaaaaaa", addr=addr, sig=sig)
|
|
|
|
try:
|
|
os.unlink(microsd_path(fname))
|
|
except OSError:
|
|
pass
|
|
|
|
with open(microsd_path(fname), "wt") as f:
|
|
f.write(tmplt)
|
|
|
|
title, story = verify_armored_signature(way, fname, tmplt)
|
|
assert title == "ERROR"
|
|
assert error_map[err_no] in story
|
|
|
|
|
|
@pytest.mark.parametrize("binary", [True, False])
|
|
def test_verify_signature_file_digest_prob(binary, microsd_path, cap_story, pick_menu_item,
|
|
need_keypress, goto_home, press_select, press_cancel):
|
|
|
|
fpattern = "to_sign"
|
|
if binary:
|
|
suffix = ".pdf"
|
|
mode = "wb"
|
|
contents = bytes(100)
|
|
orig_digest = hashlib.sha256(contents).digest().hex()
|
|
else:
|
|
suffix = ".txt"
|
|
mode = "w"
|
|
contents = "0" * 100
|
|
orig_digest = hashlib.sha256(contents.encode()).digest().hex()
|
|
|
|
fname = fpattern + suffix
|
|
sig_name = fpattern + ".sig"
|
|
fpath = microsd_path(fname)
|
|
with open(fpath, mode) as f:
|
|
f.write(contents)
|
|
|
|
goto_home()
|
|
pick_menu_item("Advanced/Tools")
|
|
pick_menu_item("File Management")
|
|
pick_menu_item("List Files")
|
|
time.sleep(.1)
|
|
pick_menu_item(fname)
|
|
need_keypress("4") # create detached sig
|
|
press_select()
|
|
press_cancel()
|
|
pick_menu_item("Verify Sig File")
|
|
time.sleep(.1)
|
|
pick_menu_item(sig_name)
|
|
time.sleep(0.1)
|
|
title, story = cap_story()
|
|
assert title == "CORRECT"
|
|
assert "Good signature" in story
|
|
press_select() # back in File Management
|
|
|
|
# modify contents of the file
|
|
with open(fpath, mode) as f:
|
|
mod_contents = contents + contents
|
|
f.write(mod_contents)
|
|
|
|
mod_digest = hashlib.sha256(mod_contents if binary else mod_contents.encode()).digest().hex()
|
|
pick_menu_item("Verify Sig File")
|
|
time.sleep(0.1)
|
|
pick_menu_item(sig_name)
|
|
time.sleep(0.1)
|
|
title, story = cap_story()
|
|
assert title == "ERROR"
|
|
assert "Good signature" in story # sig is still correct
|
|
assert ("'%s' has wrong contents" % fname) in story
|
|
assert ("Got:\n%s" % orig_digest) in story
|
|
assert ("Expected:\n%s" % mod_digest) in story
|
|
press_select() # back in File Management
|
|
|
|
# remove file
|
|
os.remove(fpath)
|
|
pick_menu_item("Verify Sig File")
|
|
time.sleep(0.1)
|
|
pick_menu_item(sig_name)
|
|
time.sleep(0.1)
|
|
title, story = cap_story()
|
|
assert title == "WARNING"
|
|
assert "Good signature" in story # sig is still correct
|
|
assert ("'%s' is not present" % fname) in story
|
|
assert 'Contents verification not possible' in story
|
|
press_select() # back in File Management
|
|
|
|
|
|
@pytest.mark.parametrize("f_num", [2, 10, 20])
|
|
def test_verify_signature_file_digest_prob_multi(f_num, microsd_path, cap_story, pick_menu_item,
|
|
press_select, goto_home):
|
|
files = []
|
|
msg = ""
|
|
for i in range(f_num):
|
|
fpattern = "to_sign_%d" % i
|
|
even = i % 2 == 0
|
|
mode = "wb" if even else "w"
|
|
suffix = ".pdf" if even else ".txt"
|
|
fname = fpattern + suffix
|
|
fpath = microsd_path(fname)
|
|
contents = ("a%s" % i) * 50
|
|
contents_encoded = contents.encode()
|
|
digest = hashlib.sha256(contents_encoded).digest().hex()
|
|
msg += "%s %s\n" % (digest, fname)
|
|
c = contents_encoded if even else contents
|
|
with open(fpath, mode) as f:
|
|
f.write(c)
|
|
files.append((fname, digest, fpath, mode, c))
|
|
|
|
wallet = BIP32Node.from_master_secret(os.urandom(32))
|
|
addr = wallet.address(False)
|
|
sk = wallet._secret_exponent_bytes
|
|
sig = sign_message(sk, msg.strip().encode())
|
|
armored = RFC_SIGNATURE_TEMPLATE.format(addr=addr, sig=sig, msg=msg)
|
|
sig_name = "sigs.sig"
|
|
with open(microsd_path(sig_name), "w") as f:
|
|
f.write(armored)
|
|
|
|
goto_home()
|
|
pick_menu_item("Advanced/Tools")
|
|
pick_menu_item("File Management")
|
|
pick_menu_item("Verify Sig File")
|
|
time.sleep(0.1)
|
|
pick_menu_item(sig_name)
|
|
time.sleep(0.1)
|
|
title, story = cap_story()
|
|
assert title == "CORRECT"
|
|
assert "Good signature" in story
|
|
press_select() # back in File Management
|
|
|
|
# change contents of 0th file
|
|
fname, orig_digest, fpath, _, _ = files[0]
|
|
with open(fpath, "w") as f:
|
|
new_contetns = "changed"
|
|
mod_digest = hashlib.sha256(new_contetns.encode()).digest().hex()
|
|
f.write(new_contetns)
|
|
|
|
pick_menu_item("Verify Sig File")
|
|
time.sleep(0.1)
|
|
pick_menu_item(sig_name)
|
|
time.sleep(0.1)
|
|
title, story = cap_story()
|
|
assert title == "ERROR"
|
|
assert "Good signature" in story # sig is still correct
|
|
assert ("'%s' has wrong contents" % fname) in story
|
|
assert ("Got:\n%s" % orig_digest) in story
|
|
assert ("Expected:\n%s" % mod_digest) in story
|
|
press_select() # back in File Management
|
|
|
|
# change contents of 1st file remove 0th file
|
|
# both warnings must be visible
|
|
fname0, _, fpath, _, _ = files[0]
|
|
os.remove(fpath)
|
|
fname1, orig_digest, fpath, _, _ = files[1]
|
|
with open(fpath, "w") as f:
|
|
new_contetns = "changed5555"
|
|
mod_digest = hashlib.sha256(new_contetns.encode()).digest().hex()
|
|
f.write(new_contetns)
|
|
|
|
pick_menu_item("Verify Sig File")
|
|
time.sleep(0.1)
|
|
pick_menu_item(sig_name)
|
|
time.sleep(0.1)
|
|
title, story = cap_story()
|
|
assert title == "ERROR"
|
|
assert "Good signature" in story # sig is still correct
|
|
assert ("'%s' has wrong contents" % fname1) in story
|
|
assert ("Got:\n%s" % orig_digest) in story
|
|
assert ("Expected:\n%s" % mod_digest) in story
|
|
assert ("'%s' is not present" % fname0) in story
|
|
assert 'Contents verification not possible' in story
|
|
press_select() # back in File Management
|
|
|
|
# remove 1st file too
|
|
os.remove(fpath)
|
|
pick_menu_item("Verify Sig File")
|
|
time.sleep(0.1)
|
|
pick_menu_item(sig_name)
|
|
time.sleep(0.1)
|
|
title, story = cap_story()
|
|
assert title == "WARNING"
|
|
assert "Good signature" in story # sig is still correct
|
|
warn_msg = "Files:\n" + "\n".join("> %s" % fname for fname in (fname0, fname1))
|
|
assert warn_msg in story
|
|
assert 'Contents verification not possible' in story
|
|
press_select() # back in File Management
|
|
|
|
# reboult valid signed files
|
|
for tup in files:
|
|
_, _, fpath, mode, conts = tup
|
|
with open(fpath, mode) as f:
|
|
f.write(conts)
|
|
|
|
pick_menu_item("Verify Sig File")
|
|
time.sleep(0.1)
|
|
pick_menu_item(sig_name)
|
|
time.sleep(0.1)
|
|
title, story = cap_story()
|
|
assert title == "CORRECT"
|
|
assert "Good signature" in story
|
|
press_select() # back in File Management
|
|
|
|
@pytest.mark.parametrize("way", ("sd", "nfc"))
|
|
@pytest.mark.parametrize("truncation_len", (0, 1))
|
|
def test_verify_signature_truncated(way, microsd_path, cap_story, verify_armored_signature, truncation_len):
|
|
# test: handle missing leading dash (at least)
|
|
prob_file = '-----BEGIN BITCOIN SIGNED MESSAGE-----\nfb9b0c78e60d57434ad0914a075e9fcb7cfe81ba9cad9cbfa1207b3bc5fbdf98 n4Boam6gCNq281bNAd3MqETpExMNPzCi8z.txt\n-----BEGIN BITCOIN SIGNATURE-----\nn4Boam6gCNq281bNAd3MqETpExMNPzCi8z\nIIITr0zBmC65ZSn+2RFvQCegpfq07TxRuGVkggh+ehL3chgEBmcCDH5D5z6INvCQ7PrHLIWkGEw1JSMdbiBKRX4=\n-----END BITCOIN SIGNATURE-----'[truncation_len:]
|
|
|
|
fname = 'filename.txt'
|
|
if way != "nfc":
|
|
with open(microsd_path(fname), "w") as f:
|
|
f.write(prob_file)
|
|
|
|
title, story = verify_armored_signature(way, fname, prob_file)
|
|
if not truncation_len:
|
|
# warning for SD as file is not present on filesystem
|
|
# correct for NFC as it does not care (digest_check=False)
|
|
assert title == ("CORRECT" if way == 'nfc' else 'WARNING')
|
|
else:
|
|
assert title == "FAILURE"
|
|
assert "Armor text MUST be surrounded by exactly five (5) dashes" in story
|
|
assert "auth.py" in story
|
|
|
|
|
|
# EOF
|