Keep a hash of master password that can't be used to break it, but can be used that it was typed correctly. For this we can use small part of SHA256 (20-30 bits). The probability of it working for another password is low, but it can't be used to brute-force all but the simplest master passwords.
Keep a hash of master password that can't be used to break it, but can be used that it was typed correctly. For this we can use small part of SHA256 (20-30 bits). The probability of it working for another password is low, but it can't be used to brute-force all but the simplest master passwords.