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