Salting: Is it reasonable to use the user name?

Question

I am debating using user-names as a means to salt passwords, instead of storing a random string along with the names. My justification is that the purpose of the salt is to prev

Answer 1

You'll run into problems, when the username changes (if it can be changed). There's no way you can update the hashed password, because you don't store the unsalted, unhashed password.