4
votes
1answer
387 views

How to reset password on an encrypted fs?

I've got a laptop which I haven't used since the last summer vacation: I did put Debian 7 on it and used Debian's feature to fully encrypt the disk, besides a tiny bootloader (or a tiny partition) I ...
0
votes
1answer
23 views

What is the encryption function in Encfs?

I'm a newbie at Encfs. After I read a paper about Encfs, I figured out there is a Encryption layer in Encfs. So I tried to find exact encryption function. but I couldn't find that because there are ...
3
votes
2answers
111 views

Does using full-disk encryption affect the probability of losing data in case of storage errors?

So.. if there is a bad block on the HDD, what can survive better? not using FDE (full disc encryption) using FDE - since the whole disk has "1 partition" - the encrypted one, isn't it more likely to ...
2
votes
3answers
394 views

Use EncFS to encrypt files so that a particular user or process can access them, but root cannot

I have a process which I would like to have access to an encrypted file system. This is very easy to do with EncFS, but this requires a user mounting the encrypted file system, therefore giving any ...
1
vote
2answers
127 views

Encrypted disk filesystem compatibilities

On my Debian Linux system during the install I decided to use disk encryption (the one offered during a regulard Debian install). When the system boots up I need to enter a password and then the ...
2
votes
1answer
345 views

Will using a compressed filesystem over an encrypted volume improve performance?

Encryption/decryption is often the main bottleneck when accessing an encrypted volume. Would using a filesystem with a fast transparent compression (such as BTRFS + LZO) help? The idea is that there ...
1
vote
3answers
258 views

Can a mounted encrypted filesystem be safe from root?

I have access to a shared remote computer from which I would like to run some code I have written which uses an interpreter (not a compiled code). I would like to protect this source code from other ...
3
votes
1answer
442 views

Followed SSD-optimization advice, now root partition won't mount rw

Tonight I decided I wanted to tweak the configuration of my Debian install on my netbook (Ideapad S10-2) to work better with the SSD I put in it. I have done this before and never had any issues but ...
2
votes
2answers
906 views

How to understand the filesystem concepts used by encfs?

I do not hold a deep understanding of computer science concepts but would like to learn more about how the utility encfs works. I have a few question regarding the concept of filesystem in regards to ...
2
votes
1answer
113 views

Is it safe to leave a enc folder mounted?

I was looking at this and ecryptfs seems cool. I'd like to use it on my server to encrypt git pushes. I dont want to ssh in everytime to mount/unmount the encrypted folder. However once in a while ...
6
votes
2answers
769 views

I/O-overhead of dm-encrypted device?

What would be the Read-/Write-overhead when using dm-crypt (LUKS) as full disk-encryption (including root partition) on a Linux-Desktop (Ubuntu)? I plan to stack it like so: LUKS > LVM > ext4 The CPU ...
4
votes
2answers
396 views

Is a journaling filesystem a good idea with a dm-crypt encrypted drive?

I was looking at dm-crypt and have seen that you can use whatever filesystem you like on top of the encrypted drive. So I was wondering if a journaled filesystem is a good idea as opposed to a ...