Simple shell AES brute forcer (especially usefull for bitcoin private keys)

aes_brute.sh

#!/bin/bash
echo "Using wordlist $1"
echo "Using key $2"
cat $1 | while read LINE ; do
	#echo "pass: $LINE"
	key=$2
	p1=${key:0:64}
	p2=${key:64}
	echo "$p1"$'\n'"$p2" > process
	ret=$(openssl enc -d -aes-256-cbc -in process -a -k $LINE 2>/dev/null)
	rc=$?
	echo "$ret" > data
	if [[ $rc == 0 ]] ; then
		test=$(perl -ane '{ if(m/[[:^ascii:]]/) { print  } }' data 2>&1)
		if [ -n "$test" ] ; then
			echo "no"
		else
			echo "You lucky bastard, here you have some bitcoinz: $LINE, $2 => $ret" >> results
			exit 0
		fi
	fi
done