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<?php |
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/* |
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* This file is part of the MesCryptoBundle package. |
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* |
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* (c) Francesco Cartenì <http://www.multimediaexperiencestudio.it/> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Mes\Security\CryptoBundle\Tests; |
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use Defuse\Crypto\Exception\WrongKeyOrModifiedCiphertextException; |
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use Mes\Security\CryptoBundle\Encryption; |
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use Mes\Security\CryptoBundle\EncryptionInterface; |
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use Mes\Security\CryptoBundle\KeyGenerator\KeyGenerator; |
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use Mes\Security\CryptoBundle\KeyGenerator\KeyGeneratorInterface; |
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use Mes\Security\CryptoBundle\Model\KeyInterface; |
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use PHPUnit\Framework\TestCase; |
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/** |
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* Class EncryptionTest. |
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*/ |
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class EncryptionTest extends TestCase |
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{ |
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/** |
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* @var EncryptionInterface |
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*/ |
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private $encryption; |
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/** |
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* @var KeyGeneratorInterface |
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*/ |
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private $generator; |
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/** |
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* @return array |
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*/ |
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public function testEncryptWithKeyEncryptsPlaintext() |
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{ |
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$key = $this->generator->generate(); |
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$plaintext = 'The quick brown fox jumps over the lazy dog'; |
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$ciphertext = $this->encryption->encryptWithKey($plaintext, $key); |
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$this->assertTrue(ctype_print($ciphertext), 'is printable'); |
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return array( |
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'ciphertext' => $ciphertext, |
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'key_encoded' => $key->getEncoded(), |
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); |
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} |
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/** |
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* @depends testEncryptWithKeyEncryptsPlaintext |
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* |
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* @param $args |
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*/ |
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public function testDecryptWithKeyDecryptsCiphertext($args) |
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{ |
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$key = $this->generator->generateFromAscii($args['key_encoded']); |
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$plaintext = $this->encryption->decryptWithKey($args['ciphertext'], $key); |
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$this->assertSame('The quick brown fox jumps over the lazy dog', $plaintext); |
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} |
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/** |
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* @depends testEncryptWithKeyEncryptsPlaintext |
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* |
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* @expectedException \Defuse\Crypto\Exception\WrongKeyOrModifiedCiphertextException |
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* |
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* @param $args |
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*/ |
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public function testDecryptThrowsExceptionBecauseCiphertextIsCorrupted($args) |
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{ |
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$key = $this->generator->generateFromAscii($args['key_encoded']); |
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$this->encryption->decryptWithKey($args['ciphertext'].'{FakeString}', $key); |
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} |
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/** |
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* @depends testEncryptWithKeyEncryptsPlaintext |
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* |
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* @expectedException \Defuse\Crypto\Exception\BadFormatException |
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* |
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* @param $args |
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*/ |
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public function testDecryptWithKeyThrowsExceptionBecauseKeyIsCorrupted($args) |
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{ |
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$key = $this->generator->generateFromAscii($args['key_encoded'].'{FakeString}'); |
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$this->encryption->decryptWithKey($args['ciphertext'], $key); |
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} |
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/** |
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* @return array |
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*/ |
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public function testEncryptWithKeyEncryptsPlaintextWithPassword() |
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{ |
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$key = $this->generator->generate('ThisIsASecretPassword'); |
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$this->assertInstanceOf('\Defuse\Crypto\KeyProtectedByPassword', $key->getRawKey()); |
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$this->assertSame('ThisIsASecretPassword', $key->getSecret()); |
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$plaintext = 'The quick brown fox jumps over the lazy dog'; |
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$ciphertext = $this->encryption->encryptWithKey($plaintext, $key); |
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$this->assertInstanceOf('\Defuse\Crypto\Key', $key->getRawKey()); |
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$this->assertTrue(ctype_print($ciphertext), 'is printable'); |
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$this->assertTrue(ctype_print($key->getEncoded()), 'is printable'); |
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return array( |
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'ciphertext' => $ciphertext, |
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'key_encoded' => $key->getEncoded(), |
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'secret' => $key->getSecret(), |
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); |
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} |
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/** |
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* @depends testEncryptWithKeyEncryptsPlaintextWithPassword |
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* |
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* @param $args |
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*/ |
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public function testDecryptWithKeyDecryptsCiphertextWithPassword($args) |
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{ |
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$keyFromAscii = $this->generator->generateFromAscii($args['key_encoded'], $args['secret']); |
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$this->assertInstanceOf('\Defuse\Crypto\KeyProtectedByPassword', $keyFromAscii->getRawKey()); |
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$this->assertSame($args['secret'], $keyFromAscii->getSecret()); |
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$plaintext = $this->encryption->decryptWithKey($args['ciphertext'], $keyFromAscii); |
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$this->assertSame('The quick brown fox jumps over the lazy dog', $plaintext); |
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} |
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/** |
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* @depends testEncryptWithKeyEncryptsPlaintextWithPassword |
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* |
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* @expectedException \Defuse\Crypto\Exception\WrongKeyOrModifiedCiphertextException |
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* |
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* @param $args |
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*/ |
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public function testDecryptWithKeyThrowsExceptionWithCiphertextWithPasswordBecauseSecretIsCorrupted($args) |
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{ |
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$keyFromAscii = $this->generator->generateFromAscii($args['key_encoded'], $args['secret'].'{FakeString}'); |
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$this->encryption->decryptWithKey($args['ciphertext'], $keyFromAscii); |
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} |
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/** |
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* @depends testEncryptWithKeyEncryptsPlaintextWithPassword |
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* |
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* @expectedException \Defuse\Crypto\Exception\BadFormatException |
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* |
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* @param $args |
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*/ |
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public function testDecryptWithKeyThrowsExceptionWithCiphertextWithPasswordBecauseKeyIsCorrupted($args) |
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{ |
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$keyFromAscii = $this->generator->generateFromAscii($args['key_encoded'].'{FakeString}', $args['secret']); |
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$this->encryption->decryptWithKey($args['ciphertext'], $keyFromAscii); |
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} |
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/** |
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* @depends testEncryptWithKeyEncryptsPlaintextWithPassword |
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* |
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* @expectedException \Defuse\Crypto\Exception\WrongKeyOrModifiedCiphertextException |
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* |
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* @param $args |
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*/ |
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public function testDecryptWithKeyThrowsExceptionWithCiphertextWithPasswordBecauseCiphertextIsCorrupted($args) |
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{ |
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$keyFromAscii = $this->generator->generateFromAscii($args['key_encoded'], $args['secret']); |
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$this->encryption->decryptWithKey($args['ciphertext'].'{FakeString}', $keyFromAscii); |
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} |
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/** |
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* @return array |
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*/ |
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public function testEncryptWithKeyFileEncryptsFile() |
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{ |
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/** @var KeyInterface $key */ |
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$key = $this->generator->generate('CryptoSecret'); |
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// Create file to encrypt. |
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$tmpfname = tempnam(__DIR__, 'CRYPTO_'); |
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$plainContent = "Dinanzi a me non fuor cose create se non etterne, e io etterno duro. Lasciate ogni speranza, voi ch'intrate."; |
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$handle = fopen($tmpfname, 'w'); |
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fwrite($handle, $plainContent); |
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fclose($handle); |
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$filename = md5(uniqid()); |
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$encryptedFilename = __DIR__."/ENCRYPTED_$filename.crypto"; |
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$this->encryption->encryptFileWithKey($tmpfname, $encryptedFilename, $key); |
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$this->assertFileExists($encryptedFilename, sprintf('%s file must exists', $encryptedFilename)); |
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$this->assertGreaterThan(0, (new \SplFileInfo($encryptedFilename))->getSize()); |
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unlink($tmpfname); |
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return array( |
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'key' => $key->getEncoded(), |
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'secret' => $key->getSecret(), |
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'encryptedFile' => $encryptedFilename, |
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); |
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} |
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/** |
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* @depends testEncryptWithKeyFileEncryptsFile |
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* |
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* @param $args |
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*/ |
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public function testDecryptWithKeyFileDecryptsEncryptedFile($args) |
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{ |
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/** @var KeyInterface $key */ |
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$key = $this->generator->generateFromAscii($args['key'], $args['secret']); |
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$tmpDecryptedFile = tempnam(__DIR__, '_CRYPTO'); |
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$this->encryption->decryptFileWithKey($args['encryptedFile'], $tmpDecryptedFile, $key); |
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$this->assertFileExists($tmpDecryptedFile); |
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$this->assertGreaterThan(0, (new \SplFileInfo($tmpDecryptedFile))->getSize()); |
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$this->assertContains("Dinanzi a me non fuor cose create se non etterne, e io etterno duro. Lasciate ogni speranza, voi ch'intrate.", file_get_contents($tmpDecryptedFile)); |
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unlink($tmpDecryptedFile); |
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unlink($args['encryptedFile']); |
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} |
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/** |
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* @return array |
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*/ |
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public function testEncryptWithPasswordEncryptsPlaintext() |
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{ |
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$plaintext = 'The quick brown fox jumps over the lazy dog'; |
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$ciphertext = $this->encryption->encryptWithPassword($plaintext, 'SuperSecretPa$$word'); |
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$this->assertTrue(ctype_print($ciphertext), 'is printable'); |
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return array( |
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'ciphertext' => $ciphertext, |
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); |
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} |
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/** |
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* @depends testEncryptWithPasswordEncryptsPlaintext |
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* |
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* @param $args |
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*/ |
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public function testDecryptWithPasswordDecryptsCiphertext($args) |
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{ |
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$plaintext = $this->encryption->decryptWithPassword($args['ciphertext'], 'SuperSecretPa$$word'); |
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$this->assertSame('The quick brown fox jumps over the lazy dog', $plaintext, sprintf("'%s' is correct.", $plaintext)); |
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} |
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/** |
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* @depends testEncryptWithPasswordEncryptsPlaintext |
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* |
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* @param $args |
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*/ |
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public function testDecryptWithPasswordThrowsException($args) |
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{ |
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$this->expectException(WrongKeyOrModifiedCiphertextException::class); |
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$this->encryption->decryptWithPassword($args['ciphertext'], 'SuperSecretPa$$wordIncorrect'); |
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} |
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/** |
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* @return array |
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*/ |
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public function testEncryptFileWithPasswordEncryptsFile() |
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{ |
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// Create file to encrypt. |
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$tmpfname = tempnam(__DIR__, 'CRYPTO_'); |
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$plainContent = "Dinanzi a me non fuor cose create se non etterne, e io etterno duro. Lasciate ogni speranza, voi ch'intrate."; |
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$handle = fopen($tmpfname, 'w'); |
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fwrite($handle, $plainContent); |
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fclose($handle); |
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$filename = md5(uniqid()); |
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$encryptedFilename = __DIR__."/ENCRYPTED_$filename.crypto"; |
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$this->encryption->encryptFileWithPassword($tmpfname, $encryptedFilename, 'SuperSecretPa$$word'); |
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$this->assertFileExists($encryptedFilename, sprintf('%s file must exists', $encryptedFilename)); |
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$this->assertGreaterThan(0, (new \SplFileInfo($encryptedFilename))->getSize()); |
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unlink($tmpfname); |
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return array( |
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'encryptedFile' => $encryptedFilename, |
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); |
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} |
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/** |
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* @depends testEncryptFileWithPasswordEncryptsFile |
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* |
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* @param $args |
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*/ |
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public function testDecryptFileWithPasswordDecryptsEncryptedFile($args) |
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{ |
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$tmpDecryptedFile = tempnam(__DIR__, '_CRYPTO'); |
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$this->encryption->decryptFileWithPassword($args['encryptedFile'], $tmpDecryptedFile, 'SuperSecretPa$$word'); |
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$this->assertFileExists($tmpDecryptedFile); |
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$this->assertGreaterThan(0, (new \SplFileInfo($tmpDecryptedFile))->getSize()); |
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$this->assertContains("Dinanzi a me non fuor cose create se non etterne, e io etterno duro. Lasciate ogni speranza, voi ch'intrate.", file_get_contents($tmpDecryptedFile)); |
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unlink($tmpDecryptedFile); |
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} |
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/** |
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* @depends testEncryptFileWithPasswordEncryptsFile |
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* |
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* @param $args |
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* |
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* @throws \Defuse\Crypto\Exception\WrongKeyOrModifiedCiphertextException |
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*/ |
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public function testDecryptFileWithPasswordThrowsExceptionDecryptsEncryptedFile($args) |
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{ |
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$this->expectException(WrongKeyOrModifiedCiphertextException::class); |
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$tmpDecryptedFile = tempnam(__DIR__, '_CRYPTO'); |
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try { |
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$this->encryption->decryptFileWithPassword($args['encryptedFile'], $tmpDecryptedFile, 'SuperSecretPa$$wordIncorrect'); |
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} catch (WrongKeyOrModifiedCiphertextException $e) { |
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unlink($tmpDecryptedFile); |
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unlink($args['encryptedFile']); |
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throw $e; |
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} |
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} |
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protected function setUp() |
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{ |
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$this->encryption = new Encryption(); |
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$this->generator = new KeyGenerator(); |
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} |
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protected function tearDown() |
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{ |
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$this->encryption = null; |
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$this->generator = null; |
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} |
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} |
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