#!/bin/bash
read -s -p "Password: " pass1
echo
read -s -p "Repeat: " pass2
echo
if [ "$pass1" != "$pass2" ]
then
  echo "Passwords did not match."
  exit 1
fi
while true
do
  read -p "Key: " key
  echo -n "$pass1$key" | openssl dgst -sha256 -binary | openssl enc -base64
done