Set (or change) encryption key?
If there is no key (length is 0), no encryption will be used.
Current encryption key length: 0
Create account form. Provide email, password, and password check input fields.
Manage account form. Change password, actually. Provide old password, new password and password check input fields.
Reset password form. Provide a form with an email input field, and also a form with a code, password and password check fields.
Email will be sent with a code. Return to this page and Input this code with a new password (twice) to change a forgotten password.