* [[Generate md5 checksum for all files in a directory|https://askubuntu.com/questions/318530/generate-md5-checksum-for-all-files-in-a-directory]] --- `find -type f -exec md5sum "{}" + > checklist.chk`
MD5 nowadays is known much vulnerable to collisions:
* [[Are there two data blocks causing and MD5 collision?|https://crypto.stackexchange.com/questions/1434/are-there-two-known-strings-which-have-the-same-md5-hash-value]]
