#!/bin/sh

############################################
############################################

#
# MD5Crack
# Author: SkyOut
# Date: August 2007
# Website: http://wired-security.net
#

#
# This program will simply try to crack a MD5
# hash by comparing it with a wordlist files
# values!
#

#
# The script has been tested on OpenBSD 4.1
# using the KSH!
#

#
# Usage: md5crack.sh [hash] [wordlist]
#

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#
# Parameters, that are used by the program
#

hash=$1
wordlist=$2

#
# Display the usage dialogue
#

function usage {
	echo "Usage: md5crack.sh [hash] [wordlist]"
	echo "Example: md5crack.sh 63a9f0ea7bb98050796b649e85481845 wordlist.txt"
}

#
# Make sure a hashvalue has been given
#

if [ "$hash" == "" ]
then
	usage
	exit 0
fi

#
# Make sure the wordlist file really exists
#

if [ ! -e "$wordlist" ]
then
	usage
	exit 0
fi

#
# Go through the wordlist file line by line
# and calculate the MD5 values. Finally compare
# them to the value given by the user.
#

while read -r line
do

	md5hash=`md5 -s $line`
	md5hash=`echo $md5hash | awk '{print $4}'`

	if [ "$hash" == "$md5hash" ]
	then
		echo "Hashvalue found: $hash = $line"
		exit 0
	fi

done < $wordlist