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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Laptop with two LUKS encrypted disks: HDD and SSD: How to start with same passphrase?

In my Linux laptop I've two disks: One larger conventional HDD and a smaller but fast SSD. On the SSD I've a small unencrypted /boot-Partition containung kernels, initrd images and GRUB. All ...
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4answers
179 views

How to be able to read encrypted files in the future, when the encryption tool is not available anymore?

I back up a lot of my files encrypted, but what I wonder is how to make sure that I will have access to this data in, let's say, ten years, when the tool that I used to encrypt the files is not ...
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24 views

Data corruption in PGP encrypted environment

I'm trying to determine what is causing, and how to prevent, data corruption that is occurring in a secure, PGP encrypted environment. I am one of the primary users of the system, and not an ...
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0answers
71 views

Triple-boot: OSX, Linux, & Windows with full disk encryption

I have a Macbook Air (MacBookAir6'2) that I want to set up a triple-boot on: Required Operation Systems: OSX (10.11.3) Linux (Debian based: Elementary or Mint) Windows 8.1 Pro The 2 main ...
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47 views

Can you mount a VeraCrypt partition to a folder?

I have recently encrypted a drive with multiple partitions using VeraCrypt. This is not the main drive with Windows installed on it, but a drive used to store data. Windows allows me to mount the ...
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1answer
45 views

Why does GPG not decrypt with all subkeys?

I have multiple subkeys for signing and encryption. Here is my public and private key list. jeremy@localhost ~ $ gpg -k /home/jeremy/.gnupg/pubring.gpg ------------------------------- pub ...
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1answer
40 views

I got asked “How would you encrypt messages so that Customer Service could read if necessary?”

I was interviewing for a full time position with the company I am a contractor with. One of the questions I got presented with was designing an IM client. I got asked the following question: "How ...
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42 views

Windows 10 pro bitlocker is not working

My Dell laptop has Windows 10 professional edition and previously it has a working bitlocker program. But now can't open bitlocker using start menu or control panel.When I search bitlocker from start ...
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8 views

TrueCrypt disk filestamp updated, even when no files changed?

I'm using TrueCrypt volumes for a bunch of files I'd like to secure and backup as a whole, and found out that since some time, the timestamp of the TrueCrypt volume file is updated even when I only ...
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1answer
45 views

why Ransomware malware payment message not encrypted also?

it is an awkward question but just want to know why the payment message not encrypted or corrupted or any error seems to happen when pop-up? and what type of this message is it an excutable extension ...
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1answer
40 views

Bash loop for adding --exclude list to tar

I have a bash script I made to encrypt/decrypt using GPG and tar. Right now I have my --exclude hard coded into the script, but I'd like to make it a bit more dynamic and add the items to exclude as ...
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1answer
14 views

Another people's OpenPGP key in my computer?

Today, when I executed gpg --list-keys, I saw another people's key list here. I search in seahorse, but can not find it. Is this key stored in my pubring.gpg file? I only have one OpenPGP key for ...
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63 views

Decrypting CryptoWall files

My computer has been infected with the CryptoWall virus and many important pictures and videos on my computer have been encrypted. When i start Windows i get a message that says that RSA 4096 ...
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0answers
33 views

HDD Stopped Responding

I have an external 500GB hard drive containing a WD Scorpio Black, used all as one partition, encrypted with BitLocker and runs very well. This morning I connected it to my PC, it asked for BitLocker ...
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0answers
36 views

Duplicati uses symmetric encryption despite giving the recipient ID_key

I have a question regarding decrypt using gpg asymmetrically. I use duplicity encrypt copies asymmetrically. E.g: `Duplicati.CommandLine.exe backup s3://testduplicatigpg3 C:\Users\test\Desktop\tt ...
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2answers
76 views

Under Linux, is it possible to encrypt a folder/partition in a way that it is not accessible to anyone without the password?

I was reviewing the different alternatives I have (like ext4 encryption) but I think all of them are vulnerable for root to just enter into my home account and see what's stored in there, which is ...
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0answers
48 views

No space left on device - although there is plenty of space and inodes

I have a USB disk with truecrypt volume for backup. This truecrypt volume occupies almost the whole USB disk. USB disk and the truecrypt volume have both NTFS format. When I tried to copy a directory ...
3
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1answer
74 views

Generate encrypted password for a GNU screen session

How to programatically generate a password for a GNU screen session? Normally, to define a password for an existing GNU screen, we have to: Start a screen Do Ctrl+A :password Upon reattach, screen ...
3
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1answer
46 views

How to encrypt a live rootfs on Arch Linux

I have a Linux Arch system running on a VPS. The rootfs is installed on a LVM partition. I would like to overlay an encrypted container on this partition, then reinstall the rootfs on it and enable ...
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1answer
35 views

How to query for all recipient OpenPGP keys with GnuPG?

I cannot find a reliable method for asking gpg the list of (public) keys used to encrypt a given file. One plausible solution doesn't work for me -- it never lists my key: gpg --list-only ...
0
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2answers
36 views

Convert/Encrypt Office 2003 Documents

We have a large number (1000s) of old Excel 2003 spreadsheets that we need to encrypt. The encryption in Excel 2003 is outdated now so we would like to update the files to 2010 format and then ...
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0answers
59 views

Autologin and mount encrypted volume in KDE 5

On my machine, I have Fedora 23 (Server) and KDE 5.19. SELinux is deactivated. Furthermore, I have an encrypted home volume (using LUKS). As soon as the user logs in on the SDDM greeter, the encrypted ...
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1answer
48 views

Enigmail constantly prompting for password

My Enigmail is constantly prompting for password when clicking on emails that have already been decrypted a second ago, switching between encrypted emails that have been decrypted. In the Enigmail ...
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0answers
17 views

Debian Jessie, raid5 and encryption issues

I installed Debian 8 today. During installation, I made the following settings: /dev/sda1 -> 1GB /boot /dev/sda2 -> about 80GB encrypted device /dev/sda2_crypt -> lvm with VolumeGroup vg0 ...
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1answer
46 views

Backed-up EFS certificate doesn't work after resetting password

I'm on a Windows Vista computer. I've wanted to use EFS for a little while but I wanted to experiment on some individual files first. While doing that, I backed up my certificate and key, reset my ...
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21 views

Encrypt multiple hard drives in Windows, each required for boot

I have two drives, a small SSD (boot device) and a much larger drive for data. I want to encrypt these drives, but the problem is that both of them need to be available at boot time. I have many ...
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1answer
45 views

Changing AuthorizedKeysFile in `sshd_config` not solving public key auth failure with encrypted home

The case sounds simple. I have my home folder encrypted using eCryptFS on the "server", it looks like: /home/<user_name>/.Private on /home/<user_name> type ecryptfs ...
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1answer
34 views

Recovering Word file from Encrypted External HDD

My partner is a teacher and therefore requires her external hard drive to be formatted using encryption called Endpoint. She had been writing reports and lost them. I have tried via Remote Assistance ...
9
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3answers
819 views

Enigmail cannot communicate with gpg-agent

I've been using Thunderbird + Enigmail for years. I'm currently using Thunderbird 38.5.1, Enigmail version 1.9 (20160223-1641), and GPG 2.0.26 in my work PC (Ubuntu 15.04 64-bit, w/ Gnome Shell). A ...
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0answers
83 views

padding matrix in Matlab / Encrypt with AES

I wanna encrypt/decrypt all kind of images that matlab could read with AES, but the input require a fix length of 128bit. So as a solution I have to pad the reading matrix to make the length multiple ...
0
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2answers
43 views

Does a VPN encrypt traffic between the VPN server and the internet?

Between the client and VPN server is a tunneled and encrypted connection, but is the connection from here to the internet encrypted? Example of what I found on PIA's site: Its has an encrypted ...
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1answer
179 views

What happen if windows infected with ransomware malware and the windows already fully encrypted with TrueCrypt?

can ransomware encryption overwrite TrueCrypt encryption? what will happen then
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113 views

Decrypt files encrypted by LeChiffre ransomware

Over the weekend, my personal server got hit with the LeChiffre ransom ware. Unfortunately, they were able to get in due to an insecure Active Directory account. I've since disabled all accounts and ...
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1answer
29 views

right click and generate truecrypt volume from contents

has any one found a way to take the contents of a folder and programiticly generate a volume for it in truecrypt that is just the right size? like in windows how you right click and select send to ...
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1answer
148 views

How to remove cryptowall encryption

Please help me urgently, Because My all files are encrypted by unknown virus named, 'CryptoWall encryption'. I attached one screenshot, which is provided by this virus.
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1answer
35 views

How to manage multiple certificates in the Apple Key Chain with Apple Mail in mind?

I would like to ask about proper management of SSL certificates in Keychain. An article on holeyn.com says: The only time it might be useful to have multiple key-pairs (...) In this situation, ...
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1answer
58 views

Does viber share my personal info with third parties [closed]

Does viber share our personal information with third parties? What includes in the personal information as they mention in their privacy policy? Is it just name contact number and email only... or ...
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3answers
617 views

How do I ensure that BitLocker can't be bypassed with a recovery key?

I want to encrypt my hard drive using BitLocker, but it requires me to create a recovery key. Now, I understand why this is important, as there may be cases where my password alone can't unlock the ...
2
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1answer
160 views

How to set the Owner of certificate generated by Let's Encrypt?

I've implemented Let's Encrypt on two production servers with relative ease, and both servers are providing certificates to the websites we run on those servers. What's bugging me though is when you ...
3
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1answer
37 views

Can I save a LUKS (or other encryption) passphrase or key in the TPM?

The spec is rather complex. The software is rather sensitive, so I keep it on an encrypted volume. My assumption was SecureBoot with my own Platform Key to ensure only my signed boot-loader runs, and ...
0
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1answer
66 views

Bitlocker: Manage-bde unable to unlock drive: “The current directory is invalid.” error occurs

I've encrypted one of my drives with Bitlocker and am successfully able to lock the drive via manage-bde with the following command manage-bde -lock H: -ForceDismount However, when I try to unlock ...
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1answer
16 views

How does encrypting /home partition with ecryptfs on linux stop malicious modification of /boot or /(root)?

This is a page where a developer of ecryptfs explains the difference between ecryptfs and dm-crypt: ...
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1answer
55 views

Recover Deleted Encrypted File With Certificate

I have accidentally deleted an encrypted folder and clear the recycle bin. I have the certificate of which I encrypted the folder with. Using conventional software such as Recuva, I was not allowed ...
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1answer
16 views

How do I find a complete GPG fingerprint when verifying a signature?

When I right-click a signature file and click More GpgEX Options -> Verify, it says it's valid, showing my email address and last 8 hex digits of my fingerprint. Doing Right-click then GPGshell -> ...
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1answer
54 views

“Transform” code from an AutoRun.inf file

I've recently been fiddling with VeraCrypt and wanted to encrypt a USB-drive. VeraCrypt has a very handy portable future, so you can encrypt the drive and include the Veracrypt software so you can ...
0
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1answer
450 views

Check that kernel supports aes-xts-plain64 cipher

After an update I can't access my encrypted disk. When trying to do so : sudo cryptsetup luksOpen /dev/sda8 Documents Failed to setup dm-crypt key mapping Check that kernel supports ...
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2answers
255 views

How can I read an openssl aes-256-cbc encrypted file without creating an unencrypted file in Linux?

I have an encrypted file and to decrypt it I use the command: openssl aes-256-cbc -d -in encrypted_file -out unencrypted_file But when I do this an unencrypted file is created which I have to ...
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0answers
52 views

Linux SSD encryption with TPM

I have a ThinkPad Yoga with a TPM and I have installed a Crucial MX200 that supports Opal 2.0 encryption. I would like to know my best option for encryption in Linux. I would like to have a little ...
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75 views

Self-Encrypting Drive (SED) and S3-suspend (sleep)

since my laptop is aging, but I love its 4:3 screen, I don't like relying on external media (also no USB 3 ports), and SSDs are too small for my budget, but I want full encryption (previously ...
0
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2answers
76 views

Debian : Encrypted Raid 1 setup.

We have a Debian X64 server which has the following config. One single 512GB SSD, which has our OS and two 2.0TB HDD's which have data like attachments, etc. The two 2.0 TB drives are in RAID-1 ...