Updated DB_Helper by adding firebase methods.
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venv/Lib/site-packages/Crypto/SelfTest/Cipher/test_OFB.py
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venv/Lib/site-packages/Crypto/SelfTest/Cipher/test_OFB.py
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# ===================================================================
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#
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# Copyright (c) 2015, 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 unittest
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from Crypto.SelfTest.st_common import list_test_cases
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from Crypto.Util.py3compat import tobytes, b, unhexlify
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from Crypto.Cipher import AES, DES3, DES
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from Crypto.Hash import SHAKE128
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def get_tag_random(tag, length):
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return SHAKE128.new(data=tobytes(tag)).read(length)
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from Crypto.SelfTest.Cipher.test_CBC import BlockChainingTests
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class OfbTests(BlockChainingTests):
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aes_mode = AES.MODE_OFB
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des3_mode = DES3.MODE_OFB
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# Redefine test_unaligned_data_128/64
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def test_unaligned_data_128(self):
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plaintexts = [ b("7777777") ] * 100
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cipher = AES.new(self.key_128, AES.MODE_CFB, self.iv_128, segment_size=8)
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ciphertexts = [ cipher.encrypt(x) for x in plaintexts ]
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cipher = AES.new(self.key_128, AES.MODE_CFB, self.iv_128, segment_size=8)
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self.assertEqual(b("").join(ciphertexts), cipher.encrypt(b("").join(plaintexts)))
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cipher = AES.new(self.key_128, AES.MODE_CFB, self.iv_128, segment_size=128)
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ciphertexts = [ cipher.encrypt(x) for x in plaintexts ]
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cipher = AES.new(self.key_128, AES.MODE_CFB, self.iv_128, segment_size=128)
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self.assertEqual(b("").join(ciphertexts), cipher.encrypt(b("").join(plaintexts)))
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def test_unaligned_data_64(self):
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plaintexts = [ b("7777777") ] * 100
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cipher = DES3.new(self.key_192, DES3.MODE_CFB, self.iv_64, segment_size=8)
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ciphertexts = [ cipher.encrypt(x) for x in plaintexts ]
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cipher = DES3.new(self.key_192, DES3.MODE_CFB, self.iv_64, segment_size=8)
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self.assertEqual(b("").join(ciphertexts), cipher.encrypt(b("").join(plaintexts)))
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cipher = DES3.new(self.key_192, DES3.MODE_CFB, self.iv_64, segment_size=64)
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ciphertexts = [ cipher.encrypt(x) for x in plaintexts ]
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cipher = DES3.new(self.key_192, DES3.MODE_CFB, self.iv_64, segment_size=64)
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self.assertEqual(b("").join(ciphertexts), cipher.encrypt(b("").join(plaintexts)))
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from Crypto.SelfTest.Cipher.test_CBC import NistBlockChainingVectors
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class NistOfbVectors(NistBlockChainingVectors):
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aes_mode = AES.MODE_OFB
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des_mode = DES.MODE_OFB
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des3_mode = DES3.MODE_OFB
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# Create one test method per file
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nist_aes_kat_mmt_files = (
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# KAT
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"OFBGFSbox128.rsp",
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"OFBGFSbox192.rsp",
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"OFBGFSbox256.rsp",
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"OFBKeySbox128.rsp",
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"OFBKeySbox192.rsp",
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"OFBKeySbox256.rsp",
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"OFBVarKey128.rsp",
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"OFBVarKey192.rsp",
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"OFBVarKey256.rsp",
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"OFBVarTxt128.rsp",
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"OFBVarTxt192.rsp",
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"OFBVarTxt256.rsp",
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# MMT
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"OFBMMT128.rsp",
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"OFBMMT192.rsp",
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"OFBMMT256.rsp",
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)
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nist_aes_mct_files = (
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"OFBMCT128.rsp",
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"OFBMCT192.rsp",
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"OFBMCT256.rsp",
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)
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for file_name in nist_aes_kat_mmt_files:
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def new_func(self, file_name=file_name):
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self._do_kat_aes_test(file_name)
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setattr(NistOfbVectors, "test_AES_" + file_name, new_func)
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for file_name in nist_aes_mct_files:
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def new_func(self, file_name=file_name):
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self._do_mct_aes_test(file_name)
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setattr(NistOfbVectors, "test_AES_" + file_name, new_func)
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del file_name, new_func
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nist_tdes_files = (
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"TOFBMMT2.rsp", # 2TDES
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"TOFBMMT3.rsp", # 3TDES
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"TOFBinvperm.rsp", # Single DES
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"TOFBpermop.rsp",
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"TOFBsubtab.rsp",
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"TOFBvarkey.rsp",
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"TOFBvartext.rsp",
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)
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for file_name in nist_tdes_files:
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def new_func(self, file_name=file_name):
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self._do_tdes_test(file_name)
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setattr(NistOfbVectors, "test_TDES_" + file_name, new_func)
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# END OF NIST OFB TEST VECTORS
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class SP800TestVectors(unittest.TestCase):
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"""Class exercising the OFB test vectors found in Section F.4
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of NIST SP 800-3A"""
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def test_aes_128(self):
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plaintext = '6bc1bee22e409f96e93d7e117393172a' +\
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'ae2d8a571e03ac9c9eb76fac45af8e51' +\
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'30c81c46a35ce411e5fbc1191a0a52ef' +\
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'f69f2445df4f9b17ad2b417be66c3710'
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ciphertext = '3b3fd92eb72dad20333449f8e83cfb4a' +\
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'7789508d16918f03f53c52dac54ed825' +\
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'9740051e9c5fecf64344f7a82260edcc' +\
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'304c6528f659c77866a510d9c1d6ae5e'
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key = '2b7e151628aed2a6abf7158809cf4f3c'
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iv = '000102030405060708090a0b0c0d0e0f'
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key = unhexlify(key)
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iv = unhexlify(iv)
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plaintext = unhexlify(plaintext)
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ciphertext = unhexlify(ciphertext)
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cipher = AES.new(key, AES.MODE_OFB, iv)
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self.assertEqual(cipher.encrypt(plaintext), ciphertext)
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cipher = AES.new(key, AES.MODE_OFB, iv)
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self.assertEqual(cipher.decrypt(ciphertext), plaintext)
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cipher = AES.new(key, AES.MODE_OFB, iv)
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self.assertEqual(cipher.encrypt(plaintext[:-8]), ciphertext[:-8])
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cipher = AES.new(key, AES.MODE_OFB, iv)
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self.assertEqual(cipher.decrypt(ciphertext[:-8]), plaintext[:-8])
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def test_aes_192(self):
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plaintext = '6bc1bee22e409f96e93d7e117393172a' +\
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'ae2d8a571e03ac9c9eb76fac45af8e51' +\
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'30c81c46a35ce411e5fbc1191a0a52ef' +\
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'f69f2445df4f9b17ad2b417be66c3710'
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ciphertext = 'cdc80d6fddf18cab34c25909c99a4174' +\
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'fcc28b8d4c63837c09e81700c1100401' +\
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'8d9a9aeac0f6596f559c6d4daf59a5f2' +\
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'6d9f200857ca6c3e9cac524bd9acc92a'
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key = '8e73b0f7da0e6452c810f32b809079e562f8ead2522c6b7b'
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iv = '000102030405060708090a0b0c0d0e0f'
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key = unhexlify(key)
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iv = unhexlify(iv)
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plaintext = unhexlify(plaintext)
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ciphertext = unhexlify(ciphertext)
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cipher = AES.new(key, AES.MODE_OFB, iv)
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self.assertEqual(cipher.encrypt(plaintext), ciphertext)
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cipher = AES.new(key, AES.MODE_OFB, iv)
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self.assertEqual(cipher.decrypt(ciphertext), plaintext)
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cipher = AES.new(key, AES.MODE_OFB, iv)
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self.assertEqual(cipher.encrypt(plaintext[:-8]), ciphertext[:-8])
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cipher = AES.new(key, AES.MODE_OFB, iv)
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self.assertEqual(cipher.decrypt(ciphertext[:-8]), plaintext[:-8])
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def test_aes_256(self):
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plaintext = '6bc1bee22e409f96e93d7e117393172a' +\
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'ae2d8a571e03ac9c9eb76fac45af8e51' +\
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'30c81c46a35ce411e5fbc1191a0a52ef' +\
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'f69f2445df4f9b17ad2b417be66c3710'
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ciphertext = 'dc7e84bfda79164b7ecd8486985d3860' +\
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'4febdc6740d20b3ac88f6ad82a4fb08d' +\
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'71ab47a086e86eedf39d1c5bba97c408' +\
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'0126141d67f37be8538f5a8be740e484'
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key = '603deb1015ca71be2b73aef0857d77811f352c073b6108d72d9810a30914dff4'
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iv = '000102030405060708090a0b0c0d0e0f'
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key = unhexlify(key)
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iv = unhexlify(iv)
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plaintext = unhexlify(plaintext)
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ciphertext = unhexlify(ciphertext)
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cipher = AES.new(key, AES.MODE_OFB, iv)
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self.assertEqual(cipher.encrypt(plaintext), ciphertext)
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cipher = AES.new(key, AES.MODE_OFB, iv)
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self.assertEqual(cipher.decrypt(ciphertext), plaintext)
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cipher = AES.new(key, AES.MODE_OFB, iv)
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self.assertEqual(cipher.encrypt(plaintext[:-8]), ciphertext[:-8])
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cipher = AES.new(key, AES.MODE_OFB, iv)
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self.assertEqual(cipher.decrypt(ciphertext[:-8]), plaintext[:-8])
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def get_tests(config={}):
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tests = []
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tests += list_test_cases(OfbTests)
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tests += list_test_cases(NistOfbVectors)
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tests += list_test_cases(SP800TestVectors)
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return tests
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if __name__ == '__main__':
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suite = lambda: unittest.TestSuite(get_tests())
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unittest.main(defaultTest='suite')
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