sayler.rb

require 'digest'
require 'set'

sayler = [ARGV[0].to_i, 1].max || 6
pause = [ARGV[1].to_i, 1].max || 100000
puts "MD5 SAYLER-#{sayler} COLLISION FINDER"
puts "WITH CUSHY UPDATES FROM SAM VOLIN EVERY #{pause} SEARCHES"
sleep(1)
puts "PUMP YOUR BREAKS KID IT'S ABOUT TO GET SPICY"
puts "IN 3..."
sleep(1)
puts "IN 2..."
sleep(1)
puts "IN 1..."
sleep(1)
puts '===================  GO!!  ==================='
count = 0
string = ''
dict = {}
set = Set.new []
md5 = Digest::MD5.new
value = ''
digest = ''
loop do
  md5.reset
  md5 << string
  digest = md5.hexdigest
  value = digest[0..(sayler-1)] + digest[-(sayler)..-1]
  break if set.include? value
  set.add value
  dict[value] = string
  # append newline to account for echo linefeed
  string = "#{digest}\n"
  count += 1
  if (count % pause) == 0
    puts "#{value} | #{count}"
  end
end
puts '=============================================='
puts "FOUND SOLUTION #{value} IN #{count} SEARCHES"
puts "#{string}"
puts ">> #{digest}"
puts "#{dict[value]}"
md5.reset
md5 << dict[value]
puts ">> #{md5.hexdigest}"
puts 'SAM VOLIN WOULD LIKE TO REMIND YOU:'
puts '    EAT YOUR VEGGIES AND DONT DO DRUGS'