Disk encryption is the process by which every bit of data on a disk is encrypted, protecting it against unauthorized persons.
Questions tagged [disk-encryption]
499 questions
87
votes
14 answers
Which TrueCrypt Algorithm is the safest?
If performance is of no concern, which TrueCrypt algorithm is the safest to use?
AES
Serpent
Triple DES
Twofish
AES-Twofish
AES-Twofish-Serpent
Serpent-AES
Serpent-Twofish-AES
Twofish-Serpent
Amir Rezaei
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65
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14 answers
Trying to delete directory with "rm -rf", but get message that it's not empty
I've tried deleting a directory using "rm -rf" and I'm getting the message "Directory not empty":
Bens-MacBook-Pro:please benjaminhocking$ ls -lart empty_directory/
total 16
drwxr-xr-x 5 benjaminhocking staff 170 Aug 27 14:46 .
drwxr-xr-x 3…
Ben Hocking
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49
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2 answers
Does changing the encryption password imply rewriting all the data?
Let's say I have 1 TB of data on a partition encrypted with BitLocker, TrueCrypt or VeraCrypt.
Does changing the encryption password imply rewriting all the data (i.e., will it take hours/days)?
Basj
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49
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8 answers
How to mitigate any privacy-related risks associated with taking your laptop for repair?
Either my fan or my battery on my refurbished laptop is malfunctioning and it frequently overheats and shuts itself down. I wasn't able to determine the culprit and thought it best to show my laptop to an expert.
I also have an active warranty that…
user51309
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43
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2 answers
is there a way to stop mac osx disk encryption in progress?
I chose a 1T external drive for time machine and checked the "encrypt backups" option. I thought it will only encrypt the backups, but as it seems it is now encrypting the whole drive which has quite some data on it and is not SSD ;). Is there a way…
Vitaly Kushner
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39
votes
6 answers
SSH with authorized_keys to an Ubuntu system with encrypted homedir?
I recently set up a new server with Ubuntu karmic 9.10, and when I created my home directory I chose to make it encrypted. Now, after loading my authorized_keys file into ~/.ssh, it isn't recognized because my home directory isn't decrypted until…
Josh
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31
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10 answers
How do I wipe an encrypted USB flash drive?
My company has issued an encrypted USB flash drive which I stored my personal data in it. I am resigning from the company and I wanted to wipe the data in the usb drive but I have forgotten the password.
I tried using dban and nuke to wipe the data…
ilovetolearn
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26
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3 answers
Is a volume with BitLocker "Waiting for Activation" encrypted or not?
In Disk Management, the partition says "NTFS (BitLocker Encrypted)":
In the BitLocker Drive Encryption control panel applet, it says "BitLocker waiting for activation" and it has an option to "Turn on BitLocker":
If I go to Settings > Device…
Jason
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22
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5 answers
Is it better to use Bitlocker or the built-in-drive-encryption that my SSD offers?
My system:
Intel Core i7-4790, which supports AES-NI
ASUS Z97-PRO mobo
Samsung 250GB EVO SSD (with built-in encryption option)
64-bit Windows 7
If I just want to encrypt my boot drive with AES256 or similar, what would be the difference / faster…
Eddie
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20
votes
7 answers
Reading an encfs volume from Windows?
I've been looking into encfs as a solution to encrypt my personal data. However I want to access this data both on Linux and Windows on different machines (synced through Dropbox). So far all Google searches have brought up pages which specify that…
snth
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17
votes
1 answer
How do I resize a FileVault 2 encrypted partition?
Running Mac OS X Lion. My current setup is a 250 GB partition, encrypted by FileVault2, for Lion. Old Snow Leopard install is in second half, another 250 GB partition, unencrypted, of the same disk.
The Disk Utility GUI doesn't allow me to delete…
Héctor Ramos
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16
votes
8 answers
How do I encrypt a Samsung Evo 840 SSD?
I've purchased a HP Envy 15-j005ea laptop which I have upgraded to Windows 8.1 Pro. I have also removed the HDD and replaced it with a 1TB Samsung Evo 840 SSD. I now wish to encrypt the drive to protect my company's source code and my personal…
Stephen Kennedy
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16
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5 answers
How to change pass phrase of full disk encryption?
I installed Ubuntu 12 with full disk encryption, and now I want to change the pass phrase.
How can this be done?
HappyDeveloper
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15
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3 answers
How do I determine what ciphers & cipher modes I can use in dm-crypt/LUKS?
I'm using an Ubuntu-based system, and I'm having difficulty determining what ciphers and cipher modes are available to me.
The cryptsetup man page says:
"See /proc/crypto for a list of available options. You might need to load additional kernel…
Emma
14
votes
4 answers
What software should I use to encrypt my hard drive?
I am currently running Windows 7 RC x64 on my home system, and am interested in encrypting my hard drive. I've heard good things about TrueCrypt, but am curious what other folks might suggest. I primarily use my system for software development, so…
David Frautnick
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