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-rw-r--r--Core/Tests/Util/SecureRandomTest.php66
-rw-r--r--Core/Util/SecureRandom.php91
-rw-r--r--Core/Util/SecureRandomInterface.php2
-rw-r--r--Core/composer.json3
4 files changed, 21 insertions, 141 deletions
diff --git a/Core/Tests/Util/SecureRandomTest.php b/Core/Tests/Util/SecureRandomTest.php
index 2e94cc1..a78d5a2 100644
--- a/Core/Tests/Util/SecureRandomTest.php
+++ b/Core/Tests/Util/SecureRandomTest.php
@@ -13,26 +13,27 @@ namespace Symfony\Component\Security\Core\Tests\Util;
use Symfony\Component\Security\Core\Util\SecureRandom;
+/**
+ * @group legacy
+ */
class SecureRandomTest extends \PHPUnit_Framework_TestCase
{
/**
* T1: Monobit test.
- *
- * @dataProvider getSecureRandoms
*/
- public function testMonobit($secureRandom)
+ public function testMonobit()
{
+ $secureRandom = new SecureRandom();
$nbOnBits = substr_count($this->getBitSequence($secureRandom, 20000), '1');
$this->assertTrue($nbOnBits > 9654 && $nbOnBits < 10346, 'Monobit test failed, number of turned on bits: '.$nbOnBits);
}
/**
* T2: Chi-square test with 15 degrees of freedom (chi-Quadrat-Anpassungstest).
- *
- * @dataProvider getSecureRandoms
*/
- public function testPoker($secureRandom)
+ public function testPoker()
{
+ $secureRandom = new SecureRandom();
$b = $this->getBitSequence($secureRandom, 20000);
$c = array();
for ($i = 0; $i <= 15; ++$i) {
@@ -56,11 +57,10 @@ class SecureRandomTest extends \PHPUnit_Framework_TestCase
/**
* Run test.
- *
- * @dataProvider getSecureRandoms
*/
- public function testRun($secureRandom)
+ public function testRun()
{
+ $secureRandom = new SecureRandom();
$b = $this->getBitSequence($secureRandom, 20000);
$runs = array();
@@ -104,11 +104,10 @@ class SecureRandomTest extends \PHPUnit_Framework_TestCase
/**
* Long-run test.
- *
- * @dataProvider getSecureRandoms
*/
- public function testLongRun($secureRandom)
+ public function testLongRun()
{
+ $secureRandom = new SecureRandom();
$b = $this->getBitSequence($secureRandom, 20000);
$longestRun = $currentRun = 0;
@@ -133,11 +132,10 @@ class SecureRandomTest extends \PHPUnit_Framework_TestCase
/**
* Serial Correlation (Autokorrelationstest).
- *
- * @dataProvider getSecureRandoms
*/
- public function testSerialCorrelation($secureRandom)
+ public function testSerialCorrelation()
{
+ $secureRandom = new SecureRandom();
$shift = mt_rand(1, 5000);
$b = $this->getBitSequence($secureRandom, 20000);
@@ -149,44 +147,6 @@ class SecureRandomTest extends \PHPUnit_Framework_TestCase
$this->assertTrue($Z > 2326 && $Z < 2674, 'Failed serial correlation test: '.$Z);
}
- public function getSecureRandoms()
- {
- $secureRandoms = array();
-
- // only add if openssl is indeed present
- $secureRandom = new SecureRandom();
- if ($this->hasOpenSsl($secureRandom)) {
- $secureRandoms[] = array($secureRandom);
- }
-
- // no-openssl with custom seed provider
- $secureRandom = new SecureRandom(sys_get_temp_dir().'/_sf2.seed');
- $this->disableOpenSsl($secureRandom);
- $secureRandoms[] = array($secureRandom);
-
- return $secureRandoms;
- }
-
- protected function disableOpenSsl($secureRandom)
- {
- $ref = new \ReflectionProperty($secureRandom, 'useOpenSsl');
- $ref->setAccessible(true);
- $ref->setValue($secureRandom, false);
- $ref->setAccessible(false);
- }
-
- protected function hasOpenSsl($secureRandom)
- {
- $ref = new \ReflectionProperty($secureRandom, 'useOpenSsl');
- $ref->setAccessible(true);
-
- $ret = $ref->getValue($secureRandom);
-
- $ref->setAccessible(false);
-
- return $ret;
- }
-
private function getBitSequence($secureRandom, $length)
{
$bitSequence = '';
diff --git a/Core/Util/SecureRandom.php b/Core/Util/SecureRandom.php
index 65722ce..06ed893 100644
--- a/Core/Util/SecureRandom.php
+++ b/Core/Util/SecureRandom.php
@@ -11,106 +11,23 @@
namespace Symfony\Component\Security\Core\Util;
-use Psr\Log\LoggerInterface;
+@trigger_error('The '.__NAMESPACE__.'\SecureRandom class is deprecated since version 2.8 and will be removed in 3.0. Use the random_bytes() function instead.', E_USER_DEPRECATED);
/**
* A secure random number generator implementation.
*
* @author Fabien Potencier <fabien@symfony.com>
* @author Johannes M. Schmitt <schmittjoh@gmail.com>
+ *
+ * @deprecated since version 2.8, to be removed in 3.0. Use the random_bytes function instead
*/
final class SecureRandom implements SecureRandomInterface
{
- private $logger;
- private $useOpenSsl;
- private $seed;
- private $seedUpdated;
- private $seedLastUpdatedAt;
- private $seedFile;
-
- /**
- * Constructor.
- *
- * Be aware that a guessable seed will severely compromise the PRNG
- * algorithm that is employed.
- *
- * @param string $seedFile
- * @param LoggerInterface $logger
- */
- public function __construct($seedFile = null, LoggerInterface $logger = null)
- {
- $this->seedFile = $seedFile;
- $this->logger = $logger;
-
- // determine whether to use OpenSSL
- if (!function_exists('random_bytes') && !function_exists('openssl_random_pseudo_bytes')) {
- if (null !== $this->logger) {
- $this->logger->notice('It is recommended that you install the "paragonie/random_compat" library or enable the "openssl" extension for random number generation.');
- }
- $this->useOpenSsl = false;
- } else {
- $this->useOpenSsl = true;
- }
- }
-
/**
* {@inheritdoc}
*/
public function nextBytes($nbBytes)
{
- if (function_exists('random_bytes')) {
- return random_bytes($nbBytes);
- }
-
- // try OpenSSL
- if ($this->useOpenSsl) {
- $bytes = openssl_random_pseudo_bytes($nbBytes, $strong);
-
- if (false !== $bytes && true === $strong) {
- return $bytes;
- }
-
- if (null !== $this->logger) {
- $this->logger->info('OpenSSL did not produce a secure random number.');
- }
- }
-
- // initialize seed
- if (null === $this->seed) {
- if (null === $this->seedFile) {
- throw new \RuntimeException('You need to specify a file path to store the seed.');
- }
-
- if (is_file($this->seedFile)) {
- list($this->seed, $this->seedLastUpdatedAt) = $this->readSeed();
- } else {
- $this->seed = uniqid(mt_rand(), true);
- $this->updateSeed();
- }
- }
-
- $bytes = '';
- while (strlen($bytes) < $nbBytes) {
- static $incr = 1;
- $bytes .= hash('sha512', $incr++.$this->seed.uniqid(mt_rand(), true).$nbBytes, true);
- $this->seed = base64_encode(hash('sha512', $this->seed.$bytes.$nbBytes, true));
- $this->updateSeed();
- }
-
- return substr($bytes, 0, $nbBytes);
- }
-
- private function readSeed()
- {
- return json_decode(file_get_contents($this->seedFile));
- }
-
- private function updateSeed()
- {
- if (!$this->seedUpdated && $this->seedLastUpdatedAt < time() - mt_rand(1, 10)) {
- file_put_contents($this->seedFile, json_encode(array($this->seed, microtime(true))));
- }
-
- $this->seedUpdated = true;
+ return random_bytes($nbBytes);
}
}
diff --git a/Core/Util/SecureRandomInterface.php b/Core/Util/SecureRandomInterface.php
index 87d3ace..df5509b 100644
--- a/Core/Util/SecureRandomInterface.php
+++ b/Core/Util/SecureRandomInterface.php
@@ -15,6 +15,8 @@ namespace Symfony\Component\Security\Core\Util;
* Interface that needs to be implemented by all secure random number generators.
*
* @author Fabien Potencier <fabien@symfony.com>
+ *
+ * @deprecated since version 2.8, to be removed in 3.0. Use the random_bytes function instead
*/
interface SecureRandomInterface
{
diff --git a/Core/composer.json b/Core/composer.json
index 6a1ac99..e4b90be 100644
--- a/Core/composer.json
+++ b/Core/composer.json
@@ -16,7 +16,8 @@
}
],
"require": {
- "php": ">=5.3.9"
+ "php": ">=5.3.9",
+ "paragonie/random_compat" : "~1.0"
},
"require-dev": {
"symfony/phpunit-bridge": "~2.7|~3.0.0",