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Questions tagged [encryption]

Encryption is the process of transforming information using an algorithm to make it unreadable to anyone except those possessing special knowledge.

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Is gpgwin a good way to protect text file? [on hold]

I have some questions. Can someone please advice me: Is gpg4win a good Windows tool to protect a text file with sensitive data? I want to keep it online. I searched quite a bit and it looks ...
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How to convert gpg4win's ascii to binary?

gpg4win can save and read encrypted files in two forms: Binary with .gpg extension Base64/ascii with .asc extension Is there a way to convert the Base64/ascii output to binary? I tried with Notepad+...
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I was running BitLocker (Windows 7), halfway through BitLocker process crashed

I was running BitLocker (Windows 7) on an external 1500GB HDD and halfway through the USB cable got loose and the BitLocker launcher/process module crashed or stopped. Now it might be running in the ...
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0answers
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SSD overprovisioning and encrypted LVM

I have a SSD with an encrypted (cryptsetup/luks) LVM partition. Since I'm not yet into that ssd stuff I offhandedly left approx. 10% unpartitioned for overprovisioning. Just because I was told that ...
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1answer
25 views

If I swap out a Bitlocker encrypted SSD to another one, then reintroduce the original SSD in the PC, will it require Bitlocker-unlocking to use?

I am wondering if it would be possible to take out a Bitlocker encrypted SSD from a PC, put in another one and use the PC, then swap the original drive back without it having to be Bitlocker unlocked. ...
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Can not install new operating system or even a DBAN wipe out

I encrypted the notebook with the intention to wipe out all data with DBAN in the second step. Now i can´t run even DBAN... "missing operation system". I tried to Boot/install windows, as well as ...
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Would it be possible to swap an SSD into a Bitlocker-enabled PC, then swap the original SSD back in without needing to unlock it? [closed]

I am wondering if it would be possible to take out a Bitlocker encrypted SSD from a PC, put in an other one and use the PC, then swap the original drive back without it having to be Bitlocker unlocked....
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1answer
21 views

Do left over unenrcypted files get copied to another drive?

I understand when you delete a file you do not actually delete it, a full format or random data needs to be written to the same spot to really "erase" it. So if I have a gpg encrypted file on a plain ...
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2answers
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Accidentally Restored LUKS Header on Regular Filesystem

I am in really big trouble right now, so a VERY quick solution would be much appreciated. I was in an SSH session on my laptop that has LUKS encryption, and I thought I was restoring its header. But I ...
3
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1answer
48 views

When is asymmetric and symmetric encryption used in SSH?

I was reading the following document: https://www.digitalocean.com/community/tutorials/understanding-the-ssh-encryption-and-connection-process In the asymmetric encryption it looks like the shared ...
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Uncompleted BitLocker Hard Drive Encryption = Laggy Windows

Help! Two days ago, I was encrypting my hard drive (full encryption). At the first day, it finished at 24.5 %. Then I paused the encryption, turned the PC off, and called it a day. The next day, I ...
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1answer
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Encrypting whole hard disk while dual booting Windows and Linux?

I would like to have a system where, upon powering on, I am asked for a passphrase to decrypt the whole hard disk and, once the passphrase is entered, the hard disk is decrypted and I am redirected to ...
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2answers
140 views

Why produce a shared session key before authentication in SSH?

I wanted to understand how SSH exactly works and I stumbled upon this article: https://www.digitalocean.com/community/tutorials/understanding-the-ssh-encryption-and-connection-process The author ...
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1answer
26 views

Lubuntu 18.04 asks me for encryption key on each reboot

On Ubuntu 16.04, I used to encrypt the filesystem but it was automatically decrypted when I input the password. Now I've installed Lubuntu 18.04 and it asks me for the encryption key each time before ...
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1answer
106 views

How to change Dropbox directory on Ubuntu 16.04 outside of encrypted home folder

In November this year, Dropbox will stop sync in case home folder is encrypted (full disk encryption is supported). I have tried to move synch folder outside /home to folder on the Ext4 partition but ...

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