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removed packages directory. refactoring.

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This commit is contained in:
Taylor Otwell
2011-10-21 21:49:33 -05:00
parent 80f810de24
commit b71ecb4363
13 changed files with 109 additions and 169 deletions
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28
laravel/security/crypter.php
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@@ -24,8 +24,11 @@ class Crypter {
/**
* Encrypt a string using Mcrypt.
*
* The string will be encrypted using the cipher and mode specified when the
* crypter instance was created, and the final result will be base64 encoded.
* The given string will be encrypted using AES-256 encryption for a high
* degree of security. The returned string will also be base64 encoded.
*
* Mcrypt must be installed on your machine before using this method, and
* an application key must be specified in the application configuration.
*
* <code>
* // Encrypt a string using the Mcrypt PHP extension
@@ -47,31 +50,34 @@ class Crypter {
/**
* Decrypt a string using Mcrypt.
*
* The given encrypted value must have been encrypted using Laravel and
* the application key specified in the application configuration file.
*
* Mcrypt must be installed on your machine before using this method.
*
* @param string $value
* @return string
*/
public static function decrypt($value)
{
list($iv, $value) = static::parse(base64_decode($value, true));
if (($value = base64_decode($value)) === false)
{
throw new \Exception('Decryption error. Input value is not valid base64 data.');
}
$value = mcrypt_decrypt(static::$cipher, static::key(), $value, static::$mode, $iv);
list($iv, $value) = static::parse($value);
return rtrim($value, "\0");
return rtrim(mcrypt_decrypt(static::$cipher, static::key(), $value, static::$mode, $iv), "\0");
}
/**
* Parse an encrypted value into the input vector and the actual value.
* Parse an encrypted string into its input vector and value segments.
*
* @param string $value
* @return array
*/
protected static function parse($value)
{
if ($value === false)
{
throw new \Exception('Decryption error. Input value is not valid base64 data.');
}
return array(substr($value, 0, static::iv_size()), substr($value, static::iv_size()));
}