Enter passwords in Bash

#!/bin/bash
pass1=0
pass2=1
while [[ $pass1 != $pass2 ]];do
  echo -n "Type in password for user: "
  stty -echo
  read pass1
  stty echo
  echo ""
  echo -n "Confirm password: "
  stty -echo
  read pass2
  stty echo
  echo ""
  if [[ $pass1 != $pass2 ]];then
    echo "Passwords do not match!"
  fi
done
echo "You entered \"$pass1\" for a password."