iOS Strong Password

From iOS 12, strong password can be recommended whenever a new user sign up to iOS application. It is a simple and straight forward approach to implement this feature in your iOS application.

Autofill Strong password

A strong password can be autofilled to your password textfield by specifying its contentType as .newPassword

passwordTxtField.contentType = .newPassword

This strong passwords are usually 20 characters long. It can contains more than 71 bits of entropy. By default, password generation rule includes lowercase, uppercase, digits, hypen

The password generation rules can be customized for your app. The rule can be created and validated from Password rules validation tool

A sample implementation of strong password autofill using custom password generation rule is as follows,

let passwordTxtField = UITextField()
let rulesDescriptor = "required: lower; required: upper; required: digit; required: [-,_]; minlength: 20; maxlength: 8;"
passwordTxtField.passwordRules = UITextInputPasswordRules(descriptor:rulesDescriptor)