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# -*- coding: utf-8 -*-
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# Copyright (C) 2010-2017 RhodeCode GmbH
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License, version 3
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# (only), as published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# This program is dual-licensed. If you wish to learn more about the
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# RhodeCode Enterprise Edition, including its added features, Support services,
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# and proprietary license terms, please see https://rhodecode.com/licenses/
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import pytest
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from rhodecode.lib.encrypt import (
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AESCipher, SignatureVerificationError, InvalidDecryptedValue)
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class TestEncryptModule(object):
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@pytest.mark.parametrize(
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"key, text",
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[
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('a', 'short'),
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('a'*64, 'too long(trimmed to 32)'),
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('a'*32, 'just enough'),
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('ąćęćę', 'non asci'),
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('$asa$asa', 'special $ used'),
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]
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)
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def test_encryption(self, key, text):
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enc = AESCipher(key).encrypt(text)
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assert AESCipher(key).decrypt(enc) == text
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def test_encryption_with_hmac(self):
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key = 'secret'
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text = 'ihatemysql'
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enc = AESCipher(key, hmac=True).encrypt(text)
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assert AESCipher(key, hmac=True).decrypt(enc) == text
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def test_encryption_with_hmac_with_bad_key(self):
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key = 'secretstring'
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text = 'ihatemysql'
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enc = AESCipher(key, hmac=True).encrypt(text)
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with pytest.raises(SignatureVerificationError) as e:
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assert AESCipher('differentsecret', hmac=True).decrypt(enc) == ''
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assert 'Encryption signature verification failed' in str(e)
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def test_encryption_with_hmac_with_bad_data(self):
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key = 'secret'
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text = 'ihatemysql'
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enc = AESCipher(key, hmac=True).encrypt(text)
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enc = 'xyz' + enc[3:]
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with pytest.raises(SignatureVerificationError) as e:
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assert AESCipher(key, hmac=True).decrypt(enc) == text
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assert 'Encryption signature verification failed' in str(e)
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def test_encryption_with_hmac_with_bad_key_not_strict(self):
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key = 'secretstring'
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text = 'ihatemysql'
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enc = AESCipher(key, hmac=True).encrypt(text)
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assert isinstance(AESCipher(
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'differentsecret', hmac=True, strict_verification=False
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).decrypt(enc), InvalidDecryptedValue)
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