Exclamation [HELP]MD5sum for restoring missing

hi guys, today I flashed the MIUI V5 for my L7 II P710,first I made a backup from ClockworkMod recovery, I wanted to restore my data only through advanced restore, but I saw in the backup and file is missing nandroid.md5.
how can I create the md5sum to restore my data?
thanks in advance.