#!/bin/bash

if [ $# -lt 1 ]
then
  echo "Usage: ./`basename $0` HASHUTIL < PRIVKEY.TXT > PUBKEY.TXT"
  exit 1
fi

for x in $(cat) ; do
    echo -n $x | xxd -r -p | $1 | cut -d ' ' -f1 ;
done | xargs -n 2