Upgrading PHP (<5.3.2) passwords generated using invalid CRYPT_STD_DES salt – Php versions
Long story short, I've got some passwords that were improperly salted and hashed in a version of PHP that allowed the crypt() function to fall back to the CRYPT_STD_DES algorithm if the salt was invalid. However in PHP 5.3.2+: 5.3.2…