108 lines
3.6 KiB
Python
108 lines
3.6 KiB
Python
# ===================================================================
|
|
#
|
|
# Copyright (c) 2016, Legrandin <helderijs@gmail.com>
|
|
# All rights reserved.
|
|
#
|
|
# Redistribution and use in source and binary forms, with or without
|
|
# modification, are permitted provided that the following conditions
|
|
# are met:
|
|
#
|
|
# 1. Redistributions of source code must retain the above copyright
|
|
# notice, this list of conditions and the following disclaimer.
|
|
# 2. Redistributions in binary form must reproduce the above copyright
|
|
# notice, this list of conditions and the following disclaimer in
|
|
# the documentation and/or other materials provided with the
|
|
# distribution.
|
|
#
|
|
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
|
# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
|
# COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
|
# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
|
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
|
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
|
|
# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
# POSSIBILITY OF SUCH DAMAGE.
|
|
# ===================================================================
|
|
|
|
import re
|
|
import sys
|
|
import binascii
|
|
|
|
from Crypto.Util.py3compat import unhexlify
|
|
from Crypto.Util._file_system import pycryptodome_filename
|
|
|
|
|
|
def load_tests(dir_comps, file_name, description, conversions):
|
|
"""Load and parse a test vector file
|
|
|
|
This function returnis a list of objects, one per group of adjacent
|
|
KV lines or for a single line in the form "[.*]".
|
|
|
|
For a group of lines, the object has one attribute per line.
|
|
"""
|
|
|
|
file_in = open(pycryptodome_filename(dir_comps, file_name))
|
|
description = "%s test (%s)" % (description, file_name)
|
|
|
|
line_number = 0
|
|
results = []
|
|
|
|
class TestVector(object):
|
|
def __init__(self, description, count):
|
|
self.desc = description
|
|
self.count = count
|
|
self.others = []
|
|
|
|
test_vector = None
|
|
count = 0
|
|
new_group = True
|
|
|
|
while True:
|
|
line_number += 1
|
|
line = file_in.readline()
|
|
if not line:
|
|
if test_vector is not None:
|
|
results.append(test_vector)
|
|
break
|
|
line = line.strip()
|
|
|
|
# Skip comments and empty lines
|
|
if line.startswith('#') or not line:
|
|
new_group = True
|
|
continue
|
|
|
|
if line.startswith("["):
|
|
if test_vector is not None:
|
|
results.append(test_vector)
|
|
test_vector = None
|
|
results.append(line)
|
|
continue
|
|
|
|
if new_group:
|
|
count += 1
|
|
new_group = False
|
|
if test_vector is not None:
|
|
results.append(test_vector)
|
|
test_vector = TestVector("%s (#%d)" % (description, count), count)
|
|
|
|
res = re.match("([A-Za-z0-9]+) = ?(.*)", line)
|
|
if not res:
|
|
test_vector.others += [line]
|
|
else:
|
|
token = res.group(1).lower()
|
|
data = res.group(2).lower()
|
|
|
|
conversion = conversions.get(token, None)
|
|
if conversion is None:
|
|
if len(data) % 2 != 0:
|
|
data = "0" + data
|
|
setattr(test_vector, token, unhexlify(data))
|
|
else:
|
|
setattr(test_vector, token, conversion(data))
|
|
|
|
# This line is ignored
|
|
return results
|