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			568 lines
		
	
	
	
		
			23 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
		
		
			
		
	
	
			568 lines
		
	
	
	
		
			23 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
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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 unhexlify, tobytes, bchr, b
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								from Crypto.Cipher import AES
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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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								class GcmTests(unittest.TestCase):
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								    key_128 = get_tag_random("key_128", 16)
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								    nonce_96 = get_tag_random("nonce_128", 12)
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								    data_128 = get_tag_random("data_128", 16)
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								    def test_loopback_128(self):
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								        cipher = AES.new(self.key_128, AES.MODE_GCM, nonce=self.nonce_96)
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								        pt = get_tag_random("plaintext", 16 * 100)
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								        ct = cipher.encrypt(pt)
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								        cipher = AES.new(self.key_128, AES.MODE_GCM, nonce=self.nonce_96)
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								        pt2 = cipher.decrypt(ct)
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								        self.assertEqual(pt, pt2)
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								    def test_nonce_is_required(self):
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								        self.assertRaises(TypeError, AES.new, self.key_128, AES.MODE_GCM)
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								        cipher = AES.new(self.key_128, AES.MODE_GCM, self.nonce_96)
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								        ct = cipher.encrypt(self.data_128)
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								        cipher = AES.new(self.key_128, AES.MODE_GCM, nonce=self.nonce_96)
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								        self.assertEquals(ct, cipher.encrypt(self.data_128))
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								    def test_nonce_must_be_bytes(self):
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								        self.assertRaises(TypeError, AES.new, self.key_128, AES.MODE_GCM,
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								                          nonce=u'test12345678')
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								    def test_nonce_length(self):
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								        # nonce can be of any length (but not empty)
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								        self.assertRaises(ValueError, AES.new, self.key_128, AES.MODE_GCM,
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								                          nonce=b(""))
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								        for x in range(1, 128):
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								            cipher = AES.new(self.key_128, AES.MODE_GCM, nonce=bchr(1) * x)
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								            cipher.encrypt(bchr(1))
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								    def test_block_size_128(self):
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								        cipher = AES.new(self.key_128, AES.MODE_GCM, nonce=self.nonce_96)
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								        self.assertEqual(cipher.block_size, AES.block_size)
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								    def test_nonce_attribute(self):
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								        cipher = AES.new(self.key_128, AES.MODE_GCM, nonce=self.nonce_96)
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								        self.assertEqual(cipher.nonce, self.nonce_96)
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								    def test_unknown_parameters(self):
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								        self.assertRaises(TypeError, AES.new, self.key_128, AES.MODE_GCM,
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								                          self.nonce_96, 7)
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								        self.assertRaises(TypeError, AES.new, self.key_128, AES.MODE_GCM,
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								                          nonce=self.nonce_96, unknown=7)
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								        # But some are only known by the base cipher
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								        # (e.g. use_aesni consumed by the AES module)
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								        AES.new(self.key_128, AES.MODE_GCM, nonce=self.nonce_96,
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								                use_aesni=False)
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								    def test_null_encryption_decryption(self):
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								        for func in "encrypt", "decrypt":
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								            cipher = AES.new(self.key_128, AES.MODE_GCM, nonce=self.nonce_96)
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								            result = getattr(cipher, func)(b(""))
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								            self.assertEqual(result, b(""))
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								    def test_either_encrypt_or_decrypt(self):
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								        cipher = AES.new(self.key_128, AES.MODE_GCM, nonce=self.nonce_96)
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								        cipher.encrypt(b(""))
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								        self.assertRaises(TypeError, cipher.decrypt, b(""))
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								        cipher = AES.new(self.key_128, AES.MODE_GCM, nonce=self.nonce_96)
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								        cipher.decrypt(b(""))
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								        self.assertRaises(TypeError, cipher.encrypt, b(""))
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								    def test_data_must_be_bytes(self):
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								        cipher = AES.new(self.key_128, AES.MODE_GCM, nonce=self.nonce_96)
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								        self.assertRaises(TypeError, cipher.encrypt, u'test1234567890-*')
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								        cipher = AES.new(self.key_128, AES.MODE_GCM, nonce=self.nonce_96)
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								        self.assertRaises(TypeError, cipher.decrypt, u'test1234567890-*')
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								    def test_mac_len(self):
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								        # Invalid MAC length
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								        self.assertRaises(ValueError, AES.new, self.key_128, AES.MODE_GCM,
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								                          nonce=self.nonce_96, mac_len=3)
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								        self.assertRaises(ValueError, AES.new, self.key_128, AES.MODE_GCM,
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								                          nonce=self.nonce_96, mac_len=16+1)
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								        # Valid MAC length
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								        for mac_len in xrange(5, 16 + 1):
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								            cipher = AES.new(self.key_128, AES.MODE_GCM, nonce=self.nonce_96,
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								                             mac_len=mac_len)
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								            _, mac = cipher.encrypt_and_digest(self.data_128)
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								            self.assertEqual(len(mac), mac_len)
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								        # Default MAC length
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								        cipher = AES.new(self.key_128, AES.MODE_GCM, nonce=self.nonce_96)
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								        _, mac = cipher.encrypt_and_digest(self.data_128)
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								        self.assertEqual(len(mac), 16)
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								    def test_invalid_mac(self):
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								        from Crypto.Util.strxor import strxor_c
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								        cipher = AES.new(self.key_128, AES.MODE_GCM, nonce=self.nonce_96)
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								        ct, mac = cipher.encrypt_and_digest(self.data_128)
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								        invalid_mac = strxor_c(mac, 0x01)
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								        cipher = AES.new(self.key_128, AES.MODE_GCM, nonce=self.nonce_96)
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								        self.assertRaises(ValueError, cipher.decrypt_and_verify, ct,
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								                          invalid_mac)
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								    def test_hex_mac(self):
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								        cipher = AES.new(self.key_128, AES.MODE_GCM, nonce=self.nonce_96)
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								        mac_hex = cipher.hexdigest()
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								        self.assertEqual(cipher.digest(), unhexlify(mac_hex))
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								        cipher = AES.new(self.key_128, AES.MODE_GCM, nonce=self.nonce_96)
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								        cipher.hexverify(mac_hex)
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								    def test_message_chunks(self):
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								        # Validate that both associated data and plaintext/ciphertext
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								        # can be broken up in chunks of arbitrary length
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								        auth_data = get_tag_random("authenticated data", 127)
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								        plaintext = get_tag_random("plaintext", 127)
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								        cipher = AES.new(self.key_128, AES.MODE_GCM, nonce=self.nonce_96)
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								        cipher.update(auth_data)
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								        ciphertext, ref_mac = cipher.encrypt_and_digest(plaintext)
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								        def break_up(data, chunk_length):
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								            return [data[i:i+chunk_length] for i in range(0, len(data),
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								                    chunk_length)]
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								        # Encryption
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								        for chunk_length in 1, 2, 3, 7, 10, 13, 16, 40, 80, 128:
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								            cipher = AES.new(self.key_128, AES.MODE_GCM, nonce=self.nonce_96)
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								            for chunk in break_up(auth_data, chunk_length):
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								                cipher.update(chunk)
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								            pt2 = b("")
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								            for chunk in break_up(ciphertext, chunk_length):
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								                pt2 += cipher.decrypt(chunk)
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								            self.assertEqual(plaintext, pt2)
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								            cipher.verify(ref_mac)
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								        # Decryption
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								        for chunk_length in 1, 2, 3, 7, 10, 13, 16, 40, 80, 128:
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								            cipher = AES.new(self.key_128, AES.MODE_GCM, nonce=self.nonce_96)
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								            for chunk in break_up(auth_data, chunk_length):
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								                cipher.update(chunk)
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								            ct2 = b("")
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								            for chunk in break_up(plaintext, chunk_length):
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								                ct2 += cipher.encrypt(chunk)
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								            self.assertEqual(ciphertext, ct2)
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								            self.assertEquals(cipher.digest(), ref_mac)
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								class GcmFSMTests(unittest.TestCase):
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								    key_128 = get_tag_random("key_128", 16)
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								    nonce_96 = get_tag_random("nonce_128", 12)
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								    data_128 = get_tag_random("data_128", 16)
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								    def test_valid_init_encrypt_decrypt_digest_verify(self):
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								        # No authenticated data, fixed plaintext
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								        # Verify path INIT->ENCRYPT->DIGEST
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								        cipher = AES.new(self.key_128, AES.MODE_GCM,
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								                         nonce=self.nonce_96)
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								        ct = cipher.encrypt(self.data_128)
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								        mac = cipher.digest()
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								        # Verify path INIT->DECRYPT->VERIFY
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								        cipher = AES.new(self.key_128, AES.MODE_GCM,
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								                         nonce=self.nonce_96)
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								        cipher.decrypt(ct)
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								        cipher.verify(mac)
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								    def test_valid_init_update_digest_verify(self):
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								        # No plaintext, fixed authenticated data
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								        # Verify path INIT->UPDATE->DIGEST
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								        cipher = AES.new(self.key_128, AES.MODE_GCM,
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								                         nonce=self.nonce_96)
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								        cipher.update(self.data_128)
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								        mac = cipher.digest()
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								        # Verify path INIT->UPDATE->VERIFY
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								        cipher = AES.new(self.key_128, AES.MODE_GCM,
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								                         nonce=self.nonce_96)
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								        cipher.update(self.data_128)
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								        cipher.verify(mac)
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								    def test_valid_full_path(self):
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								        # Fixed authenticated data, fixed plaintext
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								        # Verify path INIT->UPDATE->ENCRYPT->DIGEST
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								        cipher = AES.new(self.key_128, AES.MODE_GCM,
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| 
								 | 
							
								                         nonce=self.nonce_96)
							 | 
						||
| 
								 | 
							
								        cipher.update(self.data_128)
							 | 
						||
| 
								 | 
							
								        ct = cipher.encrypt(self.data_128)
							 | 
						||
| 
								 | 
							
								        mac = cipher.digest()
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								        # Verify path INIT->UPDATE->DECRYPT->VERIFY
							 | 
						||
| 
								 | 
							
								        cipher = AES.new(self.key_128, AES.MODE_GCM,
							 | 
						||
| 
								 | 
							
								                         nonce=self.nonce_96)
							 | 
						||
| 
								 | 
							
								        cipher.update(self.data_128)
							 | 
						||
| 
								 | 
							
								        cipher.decrypt(ct)
							 | 
						||
| 
								 | 
							
								        cipher.verify(mac)
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								    def test_valid_init_digest(self):
							 | 
						||
| 
								 | 
							
								        # Verify path INIT->DIGEST
							 | 
						||
| 
								 | 
							
								        cipher = AES.new(self.key_128, AES.MODE_GCM, nonce=self.nonce_96)
							 | 
						||
| 
								 | 
							
								        cipher.digest()
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								    def test_valid_init_verify(self):
							 | 
						||
| 
								 | 
							
								        # Verify path INIT->VERIFY
							 | 
						||
| 
								 | 
							
								        cipher = AES.new(self.key_128, AES.MODE_GCM, nonce=self.nonce_96)
							 | 
						||
| 
								 | 
							
								        mac = cipher.digest()
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								        cipher = AES.new(self.key_128, AES.MODE_GCM, nonce=self.nonce_96)
							 | 
						||
| 
								 | 
							
								        cipher.verify(mac)
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								    def test_valid_multiple_encrypt_or_decrypt(self):
							 | 
						||
| 
								 | 
							
								        for method_name in "encrypt", "decrypt":
							 | 
						||
| 
								 | 
							
								            for auth_data in (None, b("333"), self.data_128,
							 | 
						||
| 
								 | 
							
								                              self.data_128 + b("3")):
							 | 
						||
| 
								 | 
							
								                if auth_data is None:
							 | 
						||
| 
								 | 
							
								                    assoc_len = None
							 | 
						||
| 
								 | 
							
								                else:
							 | 
						||
| 
								 | 
							
								                    assoc_len = len(auth_data)
							 | 
						||
| 
								 | 
							
								                cipher = AES.new(self.key_128, AES.MODE_GCM,
							 | 
						||
| 
								 | 
							
								                                 nonce=self.nonce_96)
							 | 
						||
| 
								 | 
							
								                if auth_data is not None:
							 | 
						||
| 
								 | 
							
								                    cipher.update(auth_data)
							 | 
						||
| 
								 | 
							
								                method = getattr(cipher, method_name)
							 | 
						||
| 
								 | 
							
								                method(self.data_128)
							 | 
						||
| 
								 | 
							
								                method(self.data_128)
							 | 
						||
| 
								 | 
							
								                method(self.data_128)
							 | 
						||
| 
								 | 
							
								                method(self.data_128)
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								    def test_valid_multiple_digest_or_verify(self):
							 | 
						||
| 
								 | 
							
								        # Multiple calls to digest
							 | 
						||
| 
								 | 
							
								        cipher = AES.new(self.key_128, AES.MODE_GCM, nonce=self.nonce_96)
							 | 
						||
| 
								 | 
							
								        cipher.update(self.data_128)
							 | 
						||
| 
								 | 
							
								        first_mac = cipher.digest()
							 | 
						||
| 
								 | 
							
								        for x in xrange(4):
							 | 
						||
| 
								 | 
							
								            self.assertEqual(first_mac, cipher.digest())
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								        # Multiple calls to verify
							 | 
						||
| 
								 | 
							
								        cipher = AES.new(self.key_128, AES.MODE_GCM, nonce=self.nonce_96)
							 | 
						||
| 
								 | 
							
								        cipher.update(self.data_128)
							 | 
						||
| 
								 | 
							
								        for x in xrange(5):
							 | 
						||
| 
								 | 
							
								            cipher.verify(first_mac)
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								    def test_valid_encrypt_and_digest_decrypt_and_verify(self):
							 | 
						||
| 
								 | 
							
								        # encrypt_and_digest
							 | 
						||
| 
								 | 
							
								        cipher = AES.new(self.key_128, AES.MODE_GCM, nonce=self.nonce_96)
							 | 
						||
| 
								 | 
							
								        cipher.update(self.data_128)
							 | 
						||
| 
								 | 
							
								        ct, mac = cipher.encrypt_and_digest(self.data_128)
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								        # decrypt_and_verify
							 | 
						||
| 
								 | 
							
								        cipher = AES.new(self.key_128, AES.MODE_GCM, nonce=self.nonce_96)
							 | 
						||
| 
								 | 
							
								        cipher.update(self.data_128)
							 | 
						||
| 
								 | 
							
								        pt = cipher.decrypt_and_verify(ct, mac)
							 | 
						||
| 
								 | 
							
								        self.assertEqual(self.data_128, pt)
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								    def test_invalid_mixing_encrypt_decrypt(self):
							 | 
						||
| 
								 | 
							
								        # Once per method, with or without assoc. data
							 | 
						||
| 
								 | 
							
								        for method1_name, method2_name in (("encrypt", "decrypt"),
							 | 
						||
| 
								 | 
							
								                                           ("decrypt", "encrypt")):
							 | 
						||
| 
								 | 
							
								            for assoc_data_present in (True, False):
							 | 
						||
| 
								 | 
							
								                cipher = AES.new(self.key_128, AES.MODE_GCM,
							 | 
						||
| 
								 | 
							
								                                 nonce=self.nonce_96)
							 | 
						||
| 
								 | 
							
								                if assoc_data_present:
							 | 
						||
| 
								 | 
							
								                    cipher.update(self.data_128)
							 | 
						||
| 
								 | 
							
								                getattr(cipher, method1_name)(self.data_128)
							 | 
						||
| 
								 | 
							
								                self.assertRaises(TypeError, getattr(cipher, method2_name),
							 | 
						||
| 
								 | 
							
								                                  self.data_128)
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								    def test_invalid_encrypt_or_update_after_digest(self):
							 | 
						||
| 
								 | 
							
								        for method_name in "encrypt", "update":
							 | 
						||
| 
								 | 
							
								            cipher = AES.new(self.key_128, AES.MODE_GCM, nonce=self.nonce_96)
							 | 
						||
| 
								 | 
							
								            cipher.encrypt(self.data_128)
							 | 
						||
| 
								 | 
							
								            cipher.digest()
							 | 
						||
| 
								 | 
							
								            self.assertRaises(TypeError, getattr(cipher, method_name),
							 | 
						||
| 
								 | 
							
								                              self.data_128)
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								            cipher = AES.new(self.key_128, AES.MODE_GCM, nonce=self.nonce_96)
							 | 
						||
| 
								 | 
							
								            cipher.encrypt_and_digest(self.data_128)
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								    def test_invalid_decrypt_or_update_after_verify(self):
							 | 
						||
| 
								 | 
							
								        cipher = AES.new(self.key_128, AES.MODE_GCM, nonce=self.nonce_96)
							 | 
						||
| 
								 | 
							
								        ct = cipher.encrypt(self.data_128)
							 | 
						||
| 
								 | 
							
								        mac = cipher.digest()
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								        for method_name in "decrypt", "update":
							 | 
						||
| 
								 | 
							
								            cipher = AES.new(self.key_128, AES.MODE_GCM, nonce=self.nonce_96)
							 | 
						||
| 
								 | 
							
								            cipher.decrypt(ct)
							 | 
						||
| 
								 | 
							
								            cipher.verify(mac)
							 | 
						||
| 
								 | 
							
								            self.assertRaises(TypeError, getattr(cipher, method_name),
							 | 
						||
| 
								 | 
							
								                              self.data_128)
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								            cipher = AES.new(self.key_128, AES.MODE_GCM, nonce=self.nonce_96)
							 | 
						||
| 
								 | 
							
								            cipher.decrypt_and_verify(ct, mac)
							 | 
						||
| 
								 | 
							
								            self.assertRaises(TypeError, getattr(cipher, method_name),
							 | 
						||
| 
								 | 
							
								                              self.data_128)
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								class TestVectors(unittest.TestCase):
							 | 
						||
| 
								 | 
							
								    """Class exercising the GCM test vectors found in
							 | 
						||
| 
								 | 
							
								       http://csrc.nist.gov/groups/ST/toolkit/BCM/documents/proposedmodes/gcm/gcm-revised-spec.pdf"""
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								    # List of test vectors, each made up of:
							 | 
						||
| 
								 | 
							
								    # - authenticated data
							 | 
						||
| 
								 | 
							
								    # - plaintext
							 | 
						||
| 
								 | 
							
								    # - ciphertext
							 | 
						||
| 
								 | 
							
								    # - MAC
							 | 
						||
| 
								 | 
							
								    # - AES key
							 | 
						||
| 
								 | 
							
								    # - nonce
							 | 
						||
| 
								 | 
							
								    test_vectors = [
							 | 
						||
| 
								 | 
							
								        (
							 | 
						||
| 
								 | 
							
								            '',
							 | 
						||
| 
								 | 
							
								            '',
							 | 
						||
| 
								 | 
							
								            '',
							 | 
						||
| 
								 | 
							
								            '58e2fccefa7e3061367f1d57a4e7455a',
							 | 
						||
| 
								 | 
							
								            '00000000000000000000000000000000',
							 | 
						||
| 
								 | 
							
								            '000000000000000000000000'
							 | 
						||
| 
								 | 
							
								        ),
							 | 
						||
| 
								 | 
							
								        (
							 | 
						||
| 
								 | 
							
								            '',
							 | 
						||
| 
								 | 
							
								            '00000000000000000000000000000000',
							 | 
						||
| 
								 | 
							
								            '0388dace60b6a392f328c2b971b2fe78',
							 | 
						||
| 
								 | 
							
								            'ab6e47d42cec13bdf53a67b21257bddf',
							 | 
						||
| 
								 | 
							
								            '00000000000000000000000000000000',
							 | 
						||
| 
								 | 
							
								            '000000000000000000000000'
							 | 
						||
| 
								 | 
							
								        ),
							 | 
						||
| 
								 | 
							
								        (
							 | 
						||
| 
								 | 
							
								            '',
							 | 
						||
| 
								 | 
							
								            'd9313225f88406e5a55909c5aff5269a86a7a9531534f7da2e4c303d8a318a72' +
							 | 
						||
| 
								 | 
							
								            '1c3c0c95956809532fcf0e2449a6b525b16aedf5aa0de657ba637b391aafd255',
							 | 
						||
| 
								 | 
							
								            '42831ec2217774244b7221b784d0d49ce3aa212f2c02a4e035c17e2329aca12e' +
							 | 
						||
| 
								 | 
							
								            '21d514b25466931c7d8f6a5aac84aa051ba30b396a0aac973d58e091473f5985',
							 | 
						||
| 
								 | 
							
								            '4d5c2af327cd64a62cf35abd2ba6fab4',
							 | 
						||
| 
								 | 
							
								            'feffe9928665731c6d6a8f9467308308',
							 | 
						||
| 
								 | 
							
								            'cafebabefacedbaddecaf888'
							 | 
						||
| 
								 | 
							
								        ),
							 | 
						||
| 
								 | 
							
								        (
							 | 
						||
| 
								 | 
							
								            'feedfacedeadbeeffeedfacedeadbeefabaddad2',
							 | 
						||
| 
								 | 
							
								            'd9313225f88406e5a55909c5aff5269a86a7a9531534f7da2e4c303d8a318a72' +
							 | 
						||
| 
								 | 
							
								            '1c3c0c95956809532fcf0e2449a6b525b16aedf5aa0de657ba637b39',
							 | 
						||
| 
								 | 
							
								            '42831ec2217774244b7221b784d0d49ce3aa212f2c02a4e035c17e2329aca12e'  +
							 | 
						||
| 
								 | 
							
								            '21d514b25466931c7d8f6a5aac84aa051ba30b396a0aac973d58e091',
							 | 
						||
| 
								 | 
							
								            '5bc94fbc3221a5db94fae95ae7121a47',
							 | 
						||
| 
								 | 
							
								            'feffe9928665731c6d6a8f9467308308',
							 | 
						||
| 
								 | 
							
								            'cafebabefacedbaddecaf888'
							 | 
						||
| 
								 | 
							
								        ),
							 | 
						||
| 
								 | 
							
								        (
							 | 
						||
| 
								 | 
							
								            'feedfacedeadbeeffeedfacedeadbeefabaddad2',
							 | 
						||
| 
								 | 
							
								            'd9313225f88406e5a55909c5aff5269a86a7a9531534f7da2e4c303d8a318a72' +
							 | 
						||
| 
								 | 
							
								            '1c3c0c95956809532fcf0e2449a6b525b16aedf5aa0de657ba637b39',
							 | 
						||
| 
								 | 
							
								            '61353b4c2806934a777ff51fa22a4755699b2a714fcdc6f83766e5f97b6c7423' +
							 | 
						||
| 
								 | 
							
								            '73806900e49f24b22b097544d4896b424989b5e1ebac0f07c23f4598',
							 | 
						||
| 
								 | 
							
								            '3612d2e79e3b0785561be14aaca2fccb',
							 | 
						||
| 
								 | 
							
								            'feffe9928665731c6d6a8f9467308308',
							 | 
						||
| 
								 | 
							
								            'cafebabefacedbad'
							 | 
						||
| 
								 | 
							
								        ),
							 | 
						||
| 
								 | 
							
								        (
							 | 
						||
| 
								 | 
							
								            'feedfacedeadbeeffeedfacedeadbeefabaddad2',
							 | 
						||
| 
								 | 
							
								            'd9313225f88406e5a55909c5aff5269a86a7a9531534f7da2e4c303d8a318a72' +
							 | 
						||
| 
								 | 
							
								            '1c3c0c95956809532fcf0e2449a6b525b16aedf5aa0de657ba637b39',
							 | 
						||
| 
								 | 
							
								            '8ce24998625615b603a033aca13fb894be9112a5c3a211a8ba262a3cca7e2ca7' +
							 | 
						||
| 
								 | 
							
								            '01e4a9a4fba43c90ccdcb281d48c7c6fd62875d2aca417034c34aee5',
							 | 
						||
| 
								 | 
							
								            '619cc5aefffe0bfa462af43c1699d050',
							 | 
						||
| 
								 | 
							
								            'feffe9928665731c6d6a8f9467308308',
							 | 
						||
| 
								 | 
							
								            '9313225df88406e555909c5aff5269aa' +
							 | 
						||
| 
								 | 
							
								            '6a7a9538534f7da1e4c303d2a318a728c3c0c95156809539fcf0e2429a6b5254'+
							 | 
						||
| 
								 | 
							
								            '16aedbf5a0de6a57a637b39b'
							 | 
						||
| 
								 | 
							
								        ),
							 | 
						||
| 
								 | 
							
								        (
							 | 
						||
| 
								 | 
							
								            '',
							 | 
						||
| 
								 | 
							
								            '',
							 | 
						||
| 
								 | 
							
								            '',
							 | 
						||
| 
								 | 
							
								            'cd33b28ac773f74ba00ed1f312572435',
							 | 
						||
| 
								 | 
							
								            '000000000000000000000000000000000000000000000000',
							 | 
						||
| 
								 | 
							
								            '000000000000000000000000'
							 | 
						||
| 
								 | 
							
								        ),
							 | 
						||
| 
								 | 
							
								        (
							 | 
						||
| 
								 | 
							
								            '',
							 | 
						||
| 
								 | 
							
								            '00000000000000000000000000000000',
							 | 
						||
| 
								 | 
							
								            '98e7247c07f0fe411c267e4384b0f600',
							 | 
						||
| 
								 | 
							
								            '2ff58d80033927ab8ef4d4587514f0fb',
							 | 
						||
| 
								 | 
							
								            '000000000000000000000000000000000000000000000000',
							 | 
						||
| 
								 | 
							
								            '000000000000000000000000'
							 | 
						||
| 
								 | 
							
								        ),
							 | 
						||
| 
								 | 
							
								        (
							 | 
						||
| 
								 | 
							
								            '',
							 | 
						||
| 
								 | 
							
								            'd9313225f88406e5a55909c5aff5269a86a7a9531534f7da2e4c303d8a318a72' +
							 | 
						||
| 
								 | 
							
								            '1c3c0c95956809532fcf0e2449a6b525b16aedf5aa0de657ba637b391aafd255',
							 | 
						||
| 
								 | 
							
								            '3980ca0b3c00e841eb06fac4872a2757859e1ceaa6efd984628593b40ca1e19c' +
							 | 
						||
| 
								 | 
							
								            '7d773d00c144c525ac619d18c84a3f4718e2448b2fe324d9ccda2710acade256',
							 | 
						||
| 
								 | 
							
								            '9924a7c8587336bfb118024db8674a14',
							 | 
						||
| 
								 | 
							
								            'feffe9928665731c6d6a8f9467308308feffe9928665731c',
							 | 
						||
| 
								 | 
							
								            'cafebabefacedbaddecaf888'
							 | 
						||
| 
								 | 
							
								        ),
							 | 
						||
| 
								 | 
							
								        (
							 | 
						||
| 
								 | 
							
								            'feedfacedeadbeeffeedfacedeadbeefabaddad2',
							 | 
						||
| 
								 | 
							
								            'd9313225f88406e5a55909c5aff5269a86a7a9531534f7da2e4c303d8a318a72' +
							 | 
						||
| 
								 | 
							
								            '1c3c0c95956809532fcf0e2449a6b525b16aedf5aa0de657ba637b39',
							 | 
						||
| 
								 | 
							
								            '3980ca0b3c00e841eb06fac4872a2757859e1ceaa6efd984628593b40ca1e19c' +
							 | 
						||
| 
								 | 
							
								            '7d773d00c144c525ac619d18c84a3f4718e2448b2fe324d9ccda2710',
							 | 
						||
| 
								 | 
							
								            '2519498e80f1478f37ba55bd6d27618c',
							 | 
						||
| 
								 | 
							
								            'feffe9928665731c6d6a8f9467308308feffe9928665731c',
							 | 
						||
| 
								 | 
							
								            'cafebabefacedbaddecaf888'
							 | 
						||
| 
								 | 
							
								        ),
							 | 
						||
| 
								 | 
							
								        (
							 | 
						||
| 
								 | 
							
								            'feedfacedeadbeeffeedfacedeadbeefabaddad2',
							 | 
						||
| 
								 | 
							
								            'd9313225f88406e5a55909c5aff5269a86a7a9531534f7da2e4c303d8a318a72' +
							 | 
						||
| 
								 | 
							
								            '1c3c0c95956809532fcf0e2449a6b525b16aedf5aa0de657ba637b39',
							 | 
						||
| 
								 | 
							
								            '0f10f599ae14a154ed24b36e25324db8c566632ef2bbb34f8347280fc4507057' +
							 | 
						||
| 
								 | 
							
								            'fddc29df9a471f75c66541d4d4dad1c9e93a19a58e8b473fa0f062f7',
							 | 
						||
| 
								 | 
							
								            '65dcc57fcf623a24094fcca40d3533f8',
							 | 
						||
| 
								 | 
							
								            'feffe9928665731c6d6a8f9467308308feffe9928665731c',
							 | 
						||
| 
								 | 
							
								            'cafebabefacedbad'
							 | 
						||
| 
								 | 
							
								        ),
							 | 
						||
| 
								 | 
							
								        (
							 | 
						||
| 
								 | 
							
								            'feedfacedeadbeeffeedfacedeadbeefabaddad2',
							 | 
						||
| 
								 | 
							
								            'd9313225f88406e5a55909c5aff5269a86a7a9531534f7da2e4c303d8a318a72' +
							 | 
						||
| 
								 | 
							
								            '1c3c0c95956809532fcf0e2449a6b525b16aedf5aa0de657ba637b39',
							 | 
						||
| 
								 | 
							
								            'd27e88681ce3243c4830165a8fdcf9ff1de9a1d8e6b447ef6ef7b79828666e45' +
							 | 
						||
| 
								 | 
							
								            '81e79012af34ddd9e2f037589b292db3e67c036745fa22e7e9b7373b',
							 | 
						||
| 
								 | 
							
								            'dcf566ff291c25bbb8568fc3d376a6d9',
							 | 
						||
| 
								 | 
							
								            'feffe9928665731c6d6a8f9467308308feffe9928665731c',
							 | 
						||
| 
								 | 
							
								            '9313225df88406e555909c5aff5269aa' +
							 | 
						||
| 
								 | 
							
								            '6a7a9538534f7da1e4c303d2a318a728c3c0c95156809539fcf0e2429a6b5254' +
							 | 
						||
| 
								 | 
							
								            '16aedbf5a0de6a57a637b39b'
							 | 
						||
| 
								 | 
							
								        ),
							 | 
						||
| 
								 | 
							
								        (
							 | 
						||
| 
								 | 
							
								            '',
							 | 
						||
| 
								 | 
							
								            '',
							 | 
						||
| 
								 | 
							
								            '',
							 | 
						||
| 
								 | 
							
								            '530f8afbc74536b9a963b4f1c4cb738b',
							 | 
						||
| 
								 | 
							
								            '0000000000000000000000000000000000000000000000000000000000000000',
							 | 
						||
| 
								 | 
							
								            '000000000000000000000000'
							 | 
						||
| 
								 | 
							
								        ),
							 | 
						||
| 
								 | 
							
								        (
							 | 
						||
| 
								 | 
							
								            '',
							 | 
						||
| 
								 | 
							
								            '00000000000000000000000000000000',
							 | 
						||
| 
								 | 
							
								            'cea7403d4d606b6e074ec5d3baf39d18',
							 | 
						||
| 
								 | 
							
								            'd0d1c8a799996bf0265b98b5d48ab919',
							 | 
						||
| 
								 | 
							
								            '0000000000000000000000000000000000000000000000000000000000000000',
							 | 
						||
| 
								 | 
							
								            '000000000000000000000000'
							 | 
						||
| 
								 | 
							
								        ),
							 | 
						||
| 
								 | 
							
								        (   '',
							 | 
						||
| 
								 | 
							
								            'd9313225f88406e5a55909c5aff5269a86a7a9531534f7da2e4c303d8a318a72' +
							 | 
						||
| 
								 | 
							
								            '1c3c0c95956809532fcf0e2449a6b525b16aedf5aa0de657ba637b391aafd255',
							 | 
						||
| 
								 | 
							
								            '522dc1f099567d07f47f37a32a84427d643a8cdcbfe5c0c97598a2bd2555d1aa' +
							 | 
						||
| 
								 | 
							
								            '8cb08e48590dbb3da7b08b1056828838c5f61e6393ba7a0abcc9f662898015ad',
							 | 
						||
| 
								 | 
							
								            'b094dac5d93471bdec1a502270e3cc6c',
							 | 
						||
| 
								 | 
							
								            'feffe9928665731c6d6a8f9467308308feffe9928665731c6d6a8f9467308308',
							 | 
						||
| 
								 | 
							
								            'cafebabefacedbaddecaf888'
							 | 
						||
| 
								 | 
							
								        ),
							 | 
						||
| 
								 | 
							
								        (
							 | 
						||
| 
								 | 
							
								            'feedfacedeadbeeffeedfacedeadbeefabaddad2',
							 | 
						||
| 
								 | 
							
								            'd9313225f88406e5a55909c5aff5269a86a7a9531534f7da2e4c303d8a318a72' +
							 | 
						||
| 
								 | 
							
								            '1c3c0c95956809532fcf0e2449a6b525b16aedf5aa0de657ba637b39',
							 | 
						||
| 
								 | 
							
								            '522dc1f099567d07f47f37a32a84427d643a8cdcbfe5c0c97598a2bd2555d1aa' +
							 | 
						||
| 
								 | 
							
								            '8cb08e48590dbb3da7b08b1056828838c5f61e6393ba7a0abcc9f662',
							 | 
						||
| 
								 | 
							
								            '76fc6ece0f4e1768cddf8853bb2d551b',
							 | 
						||
| 
								 | 
							
								            'feffe9928665731c6d6a8f9467308308feffe9928665731c6d6a8f9467308308',
							 | 
						||
| 
								 | 
							
								            'cafebabefacedbaddecaf888'
							 | 
						||
| 
								 | 
							
								        ),
							 | 
						||
| 
								 | 
							
								        (
							 | 
						||
| 
								 | 
							
								            'feedfacedeadbeeffeedfacedeadbeefabaddad2',
							 | 
						||
| 
								 | 
							
								            'd9313225f88406e5a55909c5aff5269a86a7a9531534f7da2e4c303d8a318a72' +
							 | 
						||
| 
								 | 
							
								            '1c3c0c95956809532fcf0e2449a6b525b16aedf5aa0de657ba637b39',
							 | 
						||
| 
								 | 
							
								            'c3762df1ca787d32ae47c13bf19844cbaf1ae14d0b976afac52ff7d79bba9de0' +
							 | 
						||
| 
								 | 
							
								            'feb582d33934a4f0954cc2363bc73f7862ac430e64abe499f47c9b1f',
							 | 
						||
| 
								 | 
							
								            '3a337dbf46a792c45e454913fe2ea8f2',
							 | 
						||
| 
								 | 
							
								            'feffe9928665731c6d6a8f9467308308feffe9928665731c6d6a8f9467308308',
							 | 
						||
| 
								 | 
							
								            'cafebabefacedbad'
							 | 
						||
| 
								 | 
							
								        ),
							 | 
						||
| 
								 | 
							
								        (
							 | 
						||
| 
								 | 
							
								            'feedfacedeadbeeffeedfacedeadbeefabaddad2',
							 | 
						||
| 
								 | 
							
								            'd9313225f88406e5a55909c5aff5269a86a7a9531534f7da2e4c303d8a318a72' +
							 | 
						||
| 
								 | 
							
								            '1c3c0c95956809532fcf0e2449a6b525b16aedf5aa0de657ba637b39',
							 | 
						||
| 
								 | 
							
								            '5a8def2f0c9e53f1f75d7853659e2a20eeb2b22aafde6419a058ab4f6f746bf4' +
							 | 
						||
| 
								 | 
							
								            '0fc0c3b780f244452da3ebf1c5d82cdea2418997200ef82e44ae7e3f',
							 | 
						||
| 
								 | 
							
								            'a44a8266ee1c8eb0c8b5d4cf5ae9f19a',
							 | 
						||
| 
								 | 
							
								            'feffe9928665731c6d6a8f9467308308feffe9928665731c6d6a8f9467308308',
							 | 
						||
| 
								 | 
							
								            '9313225df88406e555909c5aff5269aa' +
							 | 
						||
| 
								 | 
							
								            '6a7a9538534f7da1e4c303d2a318a728c3c0c95156809539fcf0e2429a6b5254'+
							 | 
						||
| 
								 | 
							
								            '16aedbf5a0de6a57a637b39b'
							 | 
						||
| 
								 | 
							
								        )
							 | 
						||
| 
								 | 
							
								    ]
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								    for index, tv in enumerate(test_vectors):
							 | 
						||
| 
								 | 
							
								        test_vectors[index] = (unhexlify(x) for x in tv)
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								    def runTest(self):
							 | 
						||
| 
								 | 
							
								        for assoc_data, pt, ct, mac, key, nonce in self.test_vectors:
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								            # Encrypt
							 | 
						||
| 
								 | 
							
								            cipher = AES.new(key, AES.MODE_GCM, nonce, mac_len=len(mac))
							 | 
						||
| 
								 | 
							
								            cipher.update(assoc_data)
							 | 
						||
| 
								 | 
							
								            ct2, mac2 = cipher.encrypt_and_digest(pt)
							 | 
						||
| 
								 | 
							
								            self.assertEqual(ct, ct2)
							 | 
						||
| 
								 | 
							
								            self.assertEqual(mac, mac2)
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								            # Decrypt
							 | 
						||
| 
								 | 
							
								            cipher = AES.new(key, AES.MODE_GCM, nonce, mac_len=len(mac))
							 | 
						||
| 
								 | 
							
								            cipher.update(assoc_data)
							 | 
						||
| 
								 | 
							
								            pt2 = cipher.decrypt_and_verify(ct, mac)
							 | 
						||
| 
								 | 
							
								            self.assertEqual(pt, pt2)
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								def get_tests(config={}):
							 | 
						||
| 
								 | 
							
								    tests = []
							 | 
						||
| 
								 | 
							
								    tests += list_test_cases(GcmTests)
							 | 
						||
| 
								 | 
							
								    tests += list_test_cases(GcmFSMTests)
							 | 
						||
| 
								 | 
							
								    tests += [TestVectors()]
							 | 
						||
| 
								 | 
							
								    return tests
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								if __name__ == '__main__':
							 | 
						||
| 
								 | 
							
								    suite = lambda: unittest.TestSuite(get_tests())
							 | 
						||
| 
								 | 
							
								    unittest.main(defaultTest='suite')
							 |