User Authentication

[Paul Rubin]

"Lucas Raab" <lvraab at earthlink.net> writes:
> I would like to be able to write a username/password authentication program
> using the SHA or MD5 algorithms. How is the best way going about this and
> making a file where the stored usernames and passwords are kept and
> comparing that to what user types in?

Umm.  Be a little careful about this.  Can you say more about the
specific application?