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refactoring the crypter class.

This commit is contained in:
Taylor Otwell 2011-10-20 22:47:00 -05:00
parent 8d3151b134
commit 80f810de24
1 changed files with 2 additions and 19 deletions
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21
laravel/security/crypter.php
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@ -19,7 +19,7 @@ class Crypter {
*
* @var string
*/
protected static $mode = 'cbc';
protected static $mode = MCRYPT_MODE_CBC;
/**
* Encrypt a string using Mcrypt.
@ -37,30 +37,13 @@ class Crypter {
*/
public static function encrypt($value)
{
$iv = mcrypt_create_iv(static::iv_size(), static::randomizer());
$iv = mcrypt_create_iv(static::iv_size(), MCRYPT_RAND);
$value = mcrypt_encrypt(static::$cipher, static::key(), $value, static::$mode, $iv);
return base64_encode($iv.$value);
}
/**
* Get the random number generator appropriate for the server.
*
* There are a variety of sources to get a random number; however, not all
* of them will be available on every server. We will attempt to use the
* most secure random number generator available.
*
* @return int
*/
protected static function randomizer()
{
foreach (array('MCRYPT_DEV_URANDOM', 'MCRYPT_DEV_RANDOM', 'MCRYPT_RAND') as $generator)
{
if (defined($generator)) return constant($generator);
}
}
/**
* Decrypt a string using Mcrypt.
*