STRONG PASSWORD GENERATOR PHP UPDATE

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STRONG PASSWORD GENERATOR PHP UPDATE

* Update the database with a new, secure hash. * Check if the database contains the MD5 hash of the password. * You can also use password_needs_rehash() here, as shown in the previous example. $query = 'UPDATE accounts SET account_passwd = :passwd WHERE account_id = :id' * Update the password hash on the database. $hash = password_hash($password, PASSWORD_DEFAULT, $options) If (password_needs_rehash($row, PASSWORD_DEFAULT, $options)) * Check if the hash needs to be created again. * If there is a result, check if the password matches using password_verify(). $query = 'SELECT * FROM accounts WHERE (account_name = :name)' * Look for the username in the database. * Remember to validate $username and $password. * Login status: false = not authenticated, true = authenticated. * Include the database connection script. This function checks if a hash has been created with a given algorithm and parameters. This is where password_needs_rehash() comes into play. So, all the new hashes will be created using the new algorithm.īut what if you want to take all your old hashes, made with the previous algorithm, and automatically create them again with the new one? When that happens, the PASSWORD_DEFAULT constant will point to the new algorithm. However, PHP can change the default algorithm in the future, if a better and more secure algorithm is implemented. You can select the default algorithm by using the PASSWORD_DEFAULT constant, as you have seen in the previous examples.Īs of June 2020, the default algorithm is Bcrypt. PHP supports different hashing algorithms, but you usually want to use the default one. An array of options to pass to the hashing algorithm.To understand this step, let’s see how password_hash() works. Keeping your hashes up to date with password_needs_rehash()

Strong password generator php