【實用工具app】PolyPass|最夯免費app-gigacircle

Safe passwords for all your web services!Provide a master password and this app will create a unique, long, per-site password. None of the data you enter is stored anywhere outside your device. Actually, currently, none of the data is even stored on your device either!That's it.For the cryptography nerds among you:The password is derived using PBKDF2-SHA256, where your master password is the salt and the site or email address is the key. The derived key's data is transformed into a readable string of four 4-letter groups.