BUGFIX: Fixed blowfish encryption for PHP < 5.3.7 (#7276)

This commit is contained in:
Sam Minnee 2012-05-04 11:50:26 +12:00
parent 5702007da1
commit de4a865fb8

View File

@ -134,12 +134,11 @@ class PasswordEncryptor_Blowfish extends PasswordEncryptor {
protected static $cost = 10;
function encrypt($password, $salt = null, $member = null) {
// We use $2y$ here instead of $2a$ - in PHP < 5.3.7, passwords
// with non-ascii characters will use a flawed version of the blowfish
// algorithm when specified with $2a$. $2y$ specifies non-flawed version
// in all cases.
// See https://bugs.php.net/bug.php?id=55477&edit=1
$method_and_salt = '$2y$' . $salt;
// Although $2a$ has flaws in PHP < 5.3.7 with certain non-unicode passwords,
// $2y$ doesn't exist at all. We use $2a$ across the board. Note that this will
// mean that a password generated on PHP < 5.3.7 will fail if PHP gets upgraded to >= 5.3.7
// See http://open.silverstripe.org/ticket/7276 and https://bugs.php.net/bug.php?id=55477
$method_and_salt = '$2a$' . $salt;
$encrypted_password = crypt($password, $method_and_salt);
// We *never* want to generate blank passwords. If something
// goes wrong, throw an exception.