Spaces:
Running
Running
# -*- coding: utf-8 -*- | |
# | |
# SelfTest/Hash/test_SHA3_512.py: Self-test for the SHA-3/512 hash function | |
# | |
# =================================================================== | |
# The contents of this file are dedicated to the public domain. To | |
# the extent that dedication to the public domain is not available, | |
# everyone is granted a worldwide, perpetual, royalty-free, | |
# non-exclusive license to exercise all rights associated with the | |
# contents of this file for any purpose whatsoever. | |
# No rights are reserved. | |
# | |
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | |
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS | |
# BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN | |
# ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |
# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
# SOFTWARE. | |
# =================================================================== | |
"""Self-test suite for Crypto.Hash.SHA3_512""" | |
import unittest | |
from binascii import hexlify | |
from Crypto.SelfTest.loader import load_test_vectors | |
from Crypto.SelfTest.st_common import list_test_cases | |
from Crypto.Hash import SHA3_512 as SHA3 | |
from Crypto.Util.py3compat import b | |
class APITest(unittest.TestCase): | |
def test_update_after_digest(self): | |
msg=b("rrrrttt") | |
# Normally, update() cannot be done after digest() | |
h = SHA3.new(data=msg[:4]) | |
dig1 = h.digest() | |
self.assertRaises(TypeError, h.update, msg[4:]) | |
dig2 = SHA3.new(data=msg).digest() | |
# With the proper flag, it is allowed | |
h = SHA3.new(data=msg[:4], update_after_digest=True) | |
self.assertEqual(h.digest(), dig1) | |
# ... and the subsequent digest applies to the entire message | |
# up to that point | |
h.update(msg[4:]) | |
self.assertEqual(h.digest(), dig2) | |
def get_tests(config={}): | |
from .common import make_hash_tests | |
tests = [] | |
test_vectors = load_test_vectors(("Hash", "SHA3"), | |
"ShortMsgKAT_SHA3-512.txt", | |
"KAT SHA-3 512", | |
{ "len" : lambda x: int(x) } ) or [] | |
test_data = [] | |
for tv in test_vectors: | |
if tv.len == 0: | |
tv.msg = b("") | |
test_data.append((hexlify(tv.md), tv.msg, tv.desc)) | |
tests += make_hash_tests(SHA3, "SHA3_512", test_data, | |
digest_size=SHA3.digest_size, | |
oid="2.16.840.1.101.3.4.2.10") | |
tests += list_test_cases(APITest) | |
return tests | |
if __name__ == '__main__': | |
import unittest | |
suite = lambda: unittest.TestSuite(get_tests()) | |
unittest.main(defaultTest='suite') | |