when 'Short_MD5'
        juarray = "a:3:{i:0;s:#{jumpurl_len}:\"#{jumpurl_enc}\""
        juarray << ";i:1;s:#{locationData.length}:\"#{locationData}\""
        juarray << ";i:2;s:#{enc_key.length}:\"#{enc_key}\";}"
        juhash = Digest::MD5.hexdigest(juarray)