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16
votes
4answers
16k views

How to create SHA512 password hashes on command line

In Linux I can create a SHA1 password hash using sha1pass mypassword. Is there a similar command line tool which lets me create sha512 hashes? Same question for Bcrypt and PBKDF2.
9
votes
1answer
5k views

Calculate md5sum of a CD/DVD

I have an ISO file, which I burned to a CD. Now how can I check if the CD is correctly created? I would like a command that calculate the hash sum that I can use to check with the hash sum I calculate ...
2
votes
1answer
497 views

wpa_supplicant store password as hash (WPA-EAP with phase2=“auth=PAP”)

Is there a way to store my password in /etc/wpa_supplicant/wpa_supplicant.conf as some hash instead of plaintext? By "password" I refer here to the password used for phase2 authentification. I do not ...
8
votes
1answer
3k views

What methods are used to encrypt passwords in /etc/passwd and /etc/shadow?

A careful examination of the /etc/passwd and /etc/shadow files reveal that the passwords stored are hashed using some form of hashing function. A quick Google search reveals that by default, the ...
6
votes
4answers
2k views

how can a makefile detect whether a command is available in the local machine?

I began to use org-mode for planning out my tasks in GTD-style system. Putting every org files in a directory of a Dropbox folder, I run emacs to edit / manage these files from three different local ...
4
votes
3answers
1k views

How to delete duplicates of files in directory and subdirs?

Is there any fast method to delete duplicates of files based on any hash sum (i.e. SHA1 to be fast). Because I've got some mess in my music files.