Login Form
==========

<h1>Login</h1>
<%= error_messages_for 'individual' %>
<%= start_form_tag :action=> "login" %>
    <h3>Login</h3>

  <label for="individual_username">Login:</label><br/>
  <%= text_field "individual", "username", :size => 20 %><br/>

  <label for="user_password">Password:</label><br/>
  <%= password_field "individual", "password", :size => 20 %><br/>

<%= submit_tag "Submit" %>

    <%= link_to 'Register', :action => 'signup' %> |
    <%= link_to 'Forgot my password', :action => 'forgot_password' %>

<%= end_form_tag %>




Individuals_Controller
======================

def login
  if request.post?
    if session[:individual] = Individual.authenticate(params[:individual][:username], params[:individual][:password])
      flash[:message]  = "Login successful"
      redirect_to_stored
    else
      flash[:warning] = "Login unsuccessful"
    end
  end
end


Individuals Model
=================

def self.encrypt(string, salt)
  return Digest::SHA1.hexdigest(string+salt)
end

def self.authenticate(username, pass)
  resultset=find(:first, :conditions=>["username = ?", username])
  return nil if resultset.nil?
  return resultset if Individual.encrypt(pass, resultset.created_on.to_s[0,19])==resultset.password
  nil
end