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<?php |
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namespace Dynamic\FoxyStripe\Security; |
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use SilverStripe\Security\PasswordEncryptor; |
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/** |
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* Class PasswordEncryptor_BCrypt |
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* @package Dynamic\FoxyStripe\Security |
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*/ |
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class PasswordEncryptor_BCrypt extends PasswordEncryptor |
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{ |
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/** |
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* Cost of encryption. |
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* Higher costs will increase security, but also increase server load. |
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* If you are using basic auth, you may need to decrease this as encryption |
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* will be run on every request. |
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* The two digit cost parameter is the base-2 logarithm of the iteration |
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* count for the underlying Blowfish-based hashing algorithmeter and must |
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* be in range 04-31, values outside this range will cause crypt() to fail. |
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*/ |
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protected static $cost = 10; |
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/** |
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* Sets the cost of the blowfish algorithm. |
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* See {@link PasswordEncryptor_Blowfish::$cost} |
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* Cost is set as an integer but |
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* Ensure that set values are from 4-31 |
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* |
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* @param int $cost range 4-31 |
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*/ |
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public static function set_cost($cost) |
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{ |
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self::$cost = max(min(31, $cost), 4); |
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} |
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/** |
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* Gets the cost that is set for the PASSWORD_BCRYPT algorithm |
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* |
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* @return int |
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*/ |
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public static function get_cost() |
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{ |
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return self::$cost; |
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} |
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/** |
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* @param String $password |
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* @param null $member |
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* @return bool|string |
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*/ |
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public function encrypt($password, $salt = null, $member = null) |
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{ |
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$encryptedPassword = password_hash($password, PASSWORD_BCRYPT, ['cost' => static::get_cost()]); |
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if (strpos($encryptedPassword, '$2y$') === false) { |
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throw new PasswordEncryptor_EncryptionFailed('BCrypt password encryption failed.'); |
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} |
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return $encryptedPassword; |
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} |
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/** |
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* @param string $hash |
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* @param string $password |
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* @return bool |
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*/ |
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public function check($hash, $password, $salt = null, $member = null) |
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{ |
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return password_verify($password, $hash); |
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} |
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} |
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dynamic /
foxystripe
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