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Brute force MD5 cracker - Ruby Code Bank

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Brute force MD5 cracker
Real brute force cracker (check only small letters). 
                require 'digest/md5'
def crack(hash, max_length)
  for i in 1..max_length
    for word in ('a'*i..'z'*i)
      if Digest::MD5.new(word) == hash
        return word
      end
    end
  end
end
puts crack(ARGV[0], 5)
jcubic avatarjcubic
Comments
ellipsis's avatar
ellipsis 11 years ago

This won't work for passwords with numbers, uppercase, or symbols, but still pretty neat. I like how you give the password length param. It's not bad for an eleven line code.