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7
votes
2answers
570 views

Trim with LVM and dm-crypt

I tried to setup TRIM with LVM and dm-crypt on ubuntu 13.04 following this tutorial: http://blog.neutrino.es/2013/howto-properly-activate-trim-for-your-ssd-on-linux-fstrim-lvm-and-dmcrypt/ See the ...
2
votes
0answers
221 views

How can I mount a dm_crypt device during boot, it fails all the time

EDIT: Problem solved, i updated from Debian 6.0.6 to 7.0.0, everything works now! I have a complex problem at booting. Basically, I have a debian apache box, as a music server in my home network. The ...
4
votes
1answer
453 views

How to decrypt an encrypted container via ssh without entering a passphrase while requiring some client authentication?

I log in to a server via public key authentication and then mount a container (using e.g. LUKS/dm-crypt or truecrypt). At the moment, I have to enter the container password manually. Is there a way to ...
3
votes
2answers
284 views

Why does LUKS need to generate hash values?

If you create a new LUKS device, you can specify the option -hash and -iter-time. For example like this: sudo cryptsetup luksFormat --cipher aes-cbc-essiv:sha256 --key-size 256 --iter-time 2100 ...
0
votes
2answers
152 views

How can I extract the hash value of a LUKS device?

For LUKS devices I know that hashes are stored somehow in the partition header (I don't really know what this means). But I don't know how to print the hash value in this case. For example in a ...