81 lines
2.8 KiB
Python
81 lines
2.8 KiB
Python
# -*- coding: utf-8 -*-
|
|
#
|
|
# SelfTest/Hash/test_SHA3_256.py: Self-test for the SHA-3/256 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_256"""
|
|
|
|
import unittest
|
|
from binascii import hexlify
|
|
|
|
from Crypto.SelfTest.loader import load_tests
|
|
from Crypto.SelfTest.st_common import list_test_cases
|
|
from io import StringIO
|
|
from Crypto.Hash import SHA3_256 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_tests(("Crypto", "SelfTest", "Hash", "test_vectors", "SHA3"),
|
|
"ShortMsgKAT_SHA3-256.txt",
|
|
"KAT SHA-3 256",
|
|
{ "len" : lambda x: int(x) } )
|
|
|
|
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_256", test_data,
|
|
digest_size=SHA3.digest_size,
|
|
oid="2.16.840.1.101.3.4.2.8")
|
|
tests += list_test_cases(APITest)
|
|
return tests
|
|
|
|
if __name__ == '__main__':
|
|
import unittest
|
|
suite = lambda: unittest.TestSuite(get_tests())
|
|
unittest.main(defaultTest='suite')
|