## User model
def self.encrypt_password(password, salt)
  string_to_hash = password + 'e8fa752f318b2bb039a5ded' + salt
  Digest::SHA1.hexdigest(string_to_hash)
end

## User controller
def new
  @user = User.new(params[:user])
  if request.post? and @user.save
    breakpoint
    #...
  end
end

## Breakpoint commands
# (Username: michael2)
# (Password: testpass)

irb(#<UserController:0x37bbc90>):005:0> @user
=> #<User:0x3798410 @attributes={"created_on"=>Wed Jun 07 14:42:30 Central Standard Time 2006, "salt
"=>"291476560.761974007124081", "name"=>"michael2", "hashed_password"=>"1a98cd33b9aed292c4735dee69ba
72a7ba7f7060", "id"=>8, "email"=>"technel@gmail.com"}, @password_confirmation="testpass", @new_recor
d=false, @new_record_before_save=true, @errors=#<ActiveRecord::Errors:0x377fb88 @errors={}, @base=#<
User:0x3798410 ...>>, @password="testpass">
irb(#<UserController:0x37bbc90>):006:0> @user.name
=> "michael2"
irb(#<UserController:0x37bbc90>):007:0> @user.password
=> "testpass"
irb(#<UserController:0x37bbc90>):008:0> @user.hashed_password
=> "1a98cd33b9aed292c4735dee69ba72a7ba7f7060"
irb(#<UserController:0x37bbc90>):009:0> @user.salt
=> "291476560.761974007124081"
irb(#<UserController:0x37bbc90>):010:0> User.encrypt_password(@user.password, @user.salt)
=> "605fb78f33d8cb8779dce9848cb68544335e651e"