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

learn more… | top users | synonyms

0
votes
1answer
11 views

Is there a setting in Outlook that enables encryption for **some** messages?

The support page describes how to encrypt one message and how to encrypt all messages. However, I'd like to encrypt some messages, based on certain conditions (for example keywords, attachments, ...
0
votes
1answer
98 views

Sniff wireless (Wi-Fi) traffic with Wireshark

I have a wireless card (ALFA AWUS036H) in monitor mode (with airmon-ng start wlan0) on my Debian machine. In Wireshark, in "capture options", all my interfaces are in promiscuous mode. The test ...
0
votes
0answers
25 views

dd/cat luks lvm on drive that has larger total size (partition plus trailing empty space) into smaller drives that can hold said luks lvm?

I have three drives, 256gb, 128gb and 120gb. My encrypted LVM is 115gb in size. In a gui disk utility, it shows that I have trailing space after the encrypted partition, but I'm not sure if the ...
1
vote
0answers
95 views

bitlocker on/off after uefi flash and recovery key has changed?

Amendment: I noticed that though, BL is turned off, that when I try to use recovery options in Windows 10, or when I turn off and back on the TPM in UEFI, that the BL "recovery key" from the original ...
-1
votes
1answer
290 views

Cannot encrypt files in windows 10 home (option is greyed out)

When I right click a file, go to properties, general, advanced the option to encrypt a file is greyed out even if I'm admin. I also checked in "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\...
1
vote
1answer
24 views

Install Linux Mint on Encrypted WIN7 SSD?

Is it possible to install Linux Mint on top of a preexisting win7 os. Basically I want to put mint install on usb. Change boot to the usb and then format/wipe the entire windows partition during the ...
0
votes
0answers
16 views

Why might Windows EFS not list a certificate from Trusted People?

I have an encrypted file. I've added a public-key-only certificate (exported from another computer that had the private) to all of the following: Local Computer\Personal\Certificates Local Computer\...
2
votes
1answer
46 views

Mount an encrypted partition

I was following the following code from Does anyone know how to encrypt an existing partition in linux while preserving its data $ cryptsetup open /dev/sda sda-crypt --type plain $ dd if=/dev/sda of=/...
2
votes
2answers
67 views

Multi-user cross-platform client-side on-disk encryption with a SMB/AFS NAS?

I have an old Lacie 5big NAS that does not support encryption. It speaks SMB, AFS and FTP. I'm looking for a way to store encrypted data on the NAS, at the same time it should be accessible by ...
1
vote
0answers
49 views

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 ...
3
votes
4answers
193 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 ...
1
vote
0answers
33 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 ...
1
vote
0answers
134 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 ...
1
vote
0answers
92 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 ...
3
votes
1answer
123 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 4096R/...
3
votes
1answer
41 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 ...
1
vote
0answers
70 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 ...
0
votes
0answers
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 ...
-5
votes
1answer
47 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 ...
0
votes
1answer
69 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 ...
1
vote
1answer
18 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 ...
0
votes
0answers
74 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 ...
1
vote
0answers
36 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 ...
2
votes
0answers
50 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 --...
0
votes
2answers
114 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 ...
1
vote
0answers
75 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
votes
1answer
91 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
votes
1answer
73 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 ...
0
votes
1answer
51 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 --no-...
0
votes
2answers
37 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 ...
0
votes
0answers
124 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 ...
0
votes
1answer
99 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 ...
1
vote
0answers
23 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 ...
1
vote
1answer
54 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 ...
0
votes
0answers
27 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 ...
1
vote
1answer
140 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 (...
0
votes
1answer
39 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
votes
3answers
1k 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 ...
0
votes
0answers
138 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
votes
2answers
74 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 ...
1
vote
1answer
218 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
0
votes
0answers
161 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 ...
0
votes
1answer
31 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 ...
4
votes
1answer
167 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.
1
vote
1answer
46 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, ...
-4
votes
1answer
72 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 ...
1
vote
3answers
660 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 ...
3
votes
1answer
418 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
votes
1answer
102 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
votes
1answer
188 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 ...