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# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
# implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""
Test using the NIST Test Vectors
"""
from __future__ import absolute_import, division, print_function
import binascii
import os
from cryptography.hazmat.primitives.ciphers import algorithms, modes
from .utils import generate_encrypt_test
from ...utils import load_nist_vectors_from_file
class TestTripleDES_CBC(object):
test_KAT = generate_encrypt_test(
lambda path: load_nist_vectors_from_file(path, "ENCRYPT"),
os.path.join("ciphers", "3DES", "CBC"),
[
"TCBCinvperm.rsp",
"TCBCpermop.rsp",
"TCBCsubtab.rsp",
"TCBCvarkey.rsp",
"TCBCvartext.rsp",
],
lambda keys, iv: algorithms.TripleDES(binascii.unhexlify(keys)),
lambda keys, iv: modes.CBC(binascii.unhexlify(iv)),
)
test_MMT = generate_encrypt_test(
lambda path: load_nist_vectors_from_file(path, "ENCRYPT"),
os.path.join("ciphers", "3DES", "CBC"),
[
"TCBCMMT1.rsp",
"TCBCMMT2.rsp",
"TCBCMMT3.rsp",
],
lambda key1, key2, key3, iv: (
algorithms.TripleDES(binascii.unhexlify(key1 + key2 + key3))
),
lambda key1, key2, key3, iv: modes.CBC(binascii.unhexlify(iv)),
)
class TestTripleDES_OFB(object):
test_KAT = generate_encrypt_test(
lambda path: load_nist_vectors_from_file(path, "ENCRYPT"),
os.path.join("ciphers", "3DES", "OFB"),
[
"TOFBpermop.rsp",
"TOFBsubtab.rsp",
"TOFBvarkey.rsp",
"TOFBvartext.rsp",
"TOFBinvperm.rsp",
],
lambda keys, iv: algorithms.TripleDES(binascii.unhexlify(keys)),
lambda keys, iv: modes.OFB(binascii.unhexlify(iv)),
)
test_MMT = generate_encrypt_test(
lambda path: load_nist_vectors_from_file(path, "ENCRYPT"),
os.path.join("ciphers", "3DES", "OFB"),
[
"TOFBMMT1.rsp",
"TOFBMMT2.rsp",
"TOFBMMT3.rsp",
],
lambda key1, key2, key3, iv: (
algorithms.TripleDES(binascii.unhexlify(key1 + key2 + key3))
),
lambda key1, key2, key3, iv: modes.OFB(binascii.unhexlify(iv)),
)
class TestTripleDES_CFB(object):
test_KAT = generate_encrypt_test(
lambda path: load_nist_vectors_from_file(path, "ENCRYPT"),
os.path.join("ciphers", "3DES", "CFB"),
[
"TCFB64invperm.rsp",
"TCFB64permop.rsp",
"TCFB64subtab.rsp",
"TCFB64varkey.rsp",
"TCFB64vartext.rsp",
],
lambda keys, iv: algorithms.TripleDES(binascii.unhexlify(keys)),
lambda keys, iv: modes.CFB(binascii.unhexlify(iv)),
)
test_MMT = generate_encrypt_test(
lambda path: load_nist_vectors_from_file(path, "ENCRYPT"),
os.path.join("ciphers", "3DES", "CFB"),
[
"TCFB64MMT1.rsp",
"TCFB64MMT2.rsp",
"TCFB64MMT3.rsp",
],
lambda key1, key2, key3, iv: (
algorithms.TripleDES(binascii.unhexlify(key1 + key2 + key3))
),
lambda key1, key2, key3, iv: modes.CFB(binascii.unhexlify(iv)),
)
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