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

1
vote
1answer
25 views

Trying to encrypt entire user folder but getting access errors

In my Windows 7 Pro system, I am trying to encrypt my entire user folder but certain folders or files keep throwing up flags like this: Now, I have granted the process of encrypting Admin rights, ...
1
vote
0answers
33 views

Encryption and Wake-on-LAN [closed]

What I want: I have a storage server that can be turned on remotely via WoL. Now I want to encrypt the data stored on the server without losing the ability to turn the server on remotely While I do ...
0
votes
0answers
29 views

Automated script to create/access an encrypted file with multiple recipients

My goal is to create an automated way of encrypting/decrypting some files using openssl. What I currently have are the public keys of the recipients (in PEM format) and the actual data I need to ...
1
vote
0answers
27 views

Encrypting and Resetting Surface Pro Tablets

Is it more secure to wipe a Surface Pro Tablet by first applying BitLocker Encryption drive, logging into the device and cleaning the tablet using "Fully Clean The Drive" option as defined under the ...
0
votes
2answers
28 views

Can I use Silverlight to send encrypted videos to customers and will they be able to watch it?

I'm new to this whole subject so bear with me please. I want to sell and share videos with customers but I don't want them to be able to share those videos with anyone else. I thought that this was ...
0
votes
0answers
71 views

How to set up a password to protect bitlocker key with tpm?

My computer is a dell xps12 (2013) laptop running on windows 8.1 pro, uefi and secure boot enabled. I successfully enabled tpm and encrypted system partition with bitlocker. I was a bit surprised it ...
0
votes
1answer
22 views

LUKS encrypted volume lost upon reboot

Using this guide I encrypted a volume and am able to open and mount it manually. The problem comes after rebooting. On startup the system does not open the encrypted volume, nor is the decrypted ...
0
votes
0answers
21 views

Sophos “Enterprise Console” Full Disk Encryption adding a user

We have rolled out the "Full Disk Encryption" from the Enterprise console suite. Recently new users are not being added after the machine was running - new users who login when past the on boot ...
2
votes
0answers
68 views

How can I recover a partition after luksFormat?

How can I recover an ext4 partition after luksFormat? It was late one night when I decided to try gnome-shell 3.16 without messing up my Ubuntu box. So, I downloaded an Antergos image and booted it. ...
1
vote
0answers
30 views
+100

GPG agent over SSH (with vagrant)

I'm using vagrant for building and signing my debian/ubuntu packages but I'd prefer to not have have to copy my GPG keys into the virtual machine just to sign packages. It just feels insecure. Is ...
0
votes
1answer
66 views

root encryption with LUKS: root partition not found

The layout of my only disk is the following: /dev/sda1 for the plaintext boot partition /dev/sda2 for the encrypted root partition My system is ArchLinux and I followed this guide to set up root ...
1
vote
2answers
38 views

Is it possible to encrypt only certain data when a laptop hibernates?

I would like to achieve protection from both ends of the spectrum: On the one end you have the need to protect the sensitive data on the laptop. Encryption of the system disk means the data will be ...
-1
votes
4answers
40 views

Why isn't it possible to Encrypt and Compress a Folder on Windows?

I read this blog which explains why this isn't possible but I can't seem to figure out the reason. I find the blog a little difficult to understand. Can someone please explain why it's not possible ...
1
vote
1answer
148 views

How to specify private key when decrypting a file using GnuPG?

I am trying to decrypt a file with GnuPG, but when using the command below: gpg --decrypt filename.gpg I get the following message: gpg: encrypted with RSA key, ID 3662FD5E gpg: decryption failed: ...
1
vote
1answer
54 views

How to remove the gpg signature from a signed file without creating a new file on disk?

If I have a 100 MB signed binary file that I download over the internet, I need 200 MB of disk space to open it. The file is just signed, not encrypted. When disk space is low, It is not possible to ...
1
vote
1answer
50 views

RC4 encryption of torrents safety

Torrent clients offer encryption of traffic using RC4, and people consider this, like, very safe to hide traffic information from ISP. Now since I have a website with SSL encryption, I know that RC4 ...
0
votes
1answer
90 views

How do I fix a cipher mismatch issue with sftp?

I'm running into an issue where a server was upgraded to RHEL 6.5, and we have automated bash scripts on an RHEL 5.9 install that connects through sftp and ssh commands. Now, the new server only ...
1
vote
0answers
33 views

What techniques can I use for audio and/or video chat that don't use SIP and complex layered architectures?

Point A few years ago a friend and I were messing around and we created a super-simple video chat link by running VLC twice on both our computers: one "watched" the local webcam and cloned the video ...
0
votes
0answers
123 views

How to revert a LUKS encryption over ecryptfs

I had an encrypted /home folder under Ubuntu. As far as I can tell, it was encrypted using ecryptfs. It was using ~890 Gb of a 904 Gb partition. But then I tried Antergos, an Arch derivative, and made ...
1
vote
1answer
56 views

Ubuntu 14.04 LTS on a ASUS Laptop

I have an ASUS laptop which I am trying to re-purpose as a Linux machine, to which I purchased a new 750GB hard drive. Yesterday I installed Ubuntu 14.04 LTS and followed general guidelines for ...
0
votes
0answers
14 views

Will reinstalling Windows break the encryption on other drives on whole encrypted hard disk?

My hard disk is divided on three partitions. I want to encrypt the whole hard disk with Truecrypt but when i have to reinstall windows i have to format C drive which means that it will remove the ...
0
votes
0answers
58 views

How can I input password to manage-bde -pw option via windows powershell

I am trying to encrypt Data volume (for example E:) with the following command: manage-bde -protectors -add E: -pw When I execute the above command, it will ask for the password, so I entered it. ...
0
votes
0answers
83 views

Access truecrypt encrypted data from hdd of broken laptop

I am trying to obtain data from my previous laptop which is broken. Part of the data was not backed up at the time the laptop broke down. The hard drive is still functioning properly and I can ...
0
votes
0answers
34 views

Encryption and Decruption with GPG

A friend and I have a bunch of files that I encrypted stored on google drive. The issue comes up that he can't decrypt anything there. The steps I've taken thus far are 1.) Encrypt the ...
1
vote
0answers
102 views

crypto kernel module not avialable on linux 3.18.11 on Raspberry Pi 2

I'm trying to use dm-crypt on my Raspberry Pi 2 with Raspbian (debian) to open a trueCrypt volume, but i get Required kernel crypto interface not available. Ensure you have algif_skcipher kernel ...
1
vote
1answer
82 views

Can DoxBox ( or FreeOTFE Encfs Truecrypt ) prompt and mount an encrypted file volume or encrypted disk partition before Windows boots to its GUI?

I would like to Encrypt a secondary drive (NOT the OS/boot drive) and have it mounted and drive letter mapped etc, before Windows 7 gui boots up. This is because I will have mapped some user data onto ...
0
votes
0answers
25 views

Why do some mac encrypted files crash ALL my windows apps?

Occasionally I get these 'evil files'. Attempting to open or otherwise interact with them (right click to rename for example) will crash whatever application I am using. Try to add as attachment in ...
0
votes
0answers
89 views

How to RC4 decryption in command line when encrypting using C program

I used the code Decrypt RC4 in Linux (by mr.spuratic) to encrypt a file. How is it possible to decrypt it using openssl command? for example- openssl enc -d -rc4 -in rc4.txt -out plain.txt -K ...
0
votes
0answers
124 views

How to Enable Hard Drive Encryption with Seagate Constellation ES.3 SED Drive on AMI BIOS with TPM

I'm building up a new machine with a Supermicro MB equipped with a TPM and a Seagate Constellation ES.3 SED drive (ST200NM0053). The MB has the AMI BIOS which does see the TPM. I've installed ...
1
vote
1answer
62 views

Does connecting to a VPN always provide a secure environment over unencrypted WiFI connections?

Sometimes I have to use public WiFi connections. I always connect to a VPN thinking it will provide the security of encryption. However, I don't know any details about how the VPN I use is ...
1
vote
1answer
38 views

Can I use EFS to encrypt the user directory?

I want to know if doing so would prevent windows from logging in to the user or not, has anyone tried to encrypt the user profile folder or the windows folder?
0
votes
1answer
158 views

PowerShell script to decrypt file

Can some one help me with this command to decrypt files using powershell? echo YOURpassPHRASE | gpg --keyring "C:\directory\filepath" --secret-keyring "C:\directory\filepath" --batch --yes ...
1
vote
2answers
86 views

Credible sources to download TrueCrypt 7.1a [closed]

As the official developers of TrueCrypt discontinued the software and left the following messages on the official website WARNING: Using TrueCrypt is not secure as it may contain unfixed security ...
0
votes
0answers
18 views

Newly generated pgp keypair missing from Portable PGP

I have a USB drive with Portable PGP on it and have used it for quite some time with no issues. I generated a new key-pair the day before yesterday in order to secure a new account with 2FA ...
1
vote
2answers
174 views

LUKS partition automount fails at boot

I have an encrypted Ubuntu 14.04 Desktop setup. The encrypted root partition is created using the Ubuntu installer default parameters (choices "Erase disk and install Ubuntu" and "Encrypt the new ...
1
vote
1answer
22 views

How to format a Verbatim Execute Portable HDD 500 GB with Nero software encryption

I bought from an office closure a portable HDD, which seems to be encrypted with Nero software. Of the 500 GB it tells me, 40 GB are there. I cannot see the complete 500 GB. So, I do not care about ...
1
vote
1answer
440 views

Total, initial, hard drive encryption speed with VeraCrypt

Context: I decided to encrypt a 2TB Internal Sata II hard drive I use for personal files (photo collections, tax prep PDFs, hosting a synced Dropbox folder, some non-HD video files, driver install ...
0
votes
2answers
96 views

Full Disk Encryption in existing Linux system without erasing any content from the drives

I am trying to achieve "Full Disk Encryption" in a already installed Linux system. I have come across with LUKS with dm-crypt, it can encrypt a drive/entire disk, but before encrypting it is ...
0
votes
2answers
46 views

removing sensitive data from laptop (ssd drive) before sending to support

Here is my problem. My computer has a screen problem and needs to be sent to the manufacturer's support desk. However I have some private files on the computer I dont want the support to (possibly) ...
0
votes
0answers
95 views

How to encrypt data in bitbucket without losing git diff tools?

Based on this question:encrypt files before sending them to cloud. considering openssl: For example when using openssl we can write the files fooenc.sh: #!/bin/sh openssl enc -bf -nopad -pass ...
1
vote
0answers
99 views

gpg --gen-key not working on “su -l”, but working on local terminal

When I try to use "gpg --gen-key" (v2.1.2 on archlinux) with an user I just created ("backtest"), it works when I open a terminal for that, but not when I'm logged in with another user and then "su -l ...
2
votes
1answer
335 views

What are the best wireless security settings for my router

I am using older SOHO router wl500gP (it is v1 but I think this is not important) with custom Oleg firmware which allows me to use one of the following "Authentication Method": Authentication Method: ...
0
votes
0answers
56 views

How to recover Windows 7's encrytion certificate (EFS) from formatted partitions?

I am a home user of Windows 7 ultimate. I am just a local admin for my computer. A standalone system. I am quite noob about computers. I formatted, Windows 7 installed(size 200gb) partition of 1tb ...
0
votes
1answer
42 views

Show the encryption method used on a Zip file in Linux?

I’d like to see what encryption method was used on a Zip file on Linux. How can I do this? See the following posts for reference: This question which shows the need to verify the encryption: 7-zip ...
3
votes
3answers
312 views

How to encrypt all—or part—of a USB hard drive that can be accessed by both Linux and Mac OS X?

I bought a new USB Hard Drive that I want to use as a back up for my Linux (Ubuntu 14.04 LTS at the moment) and my Mac Mini (running Mac OS X 10.9). I can do this perfectly at the moment, but I want ...
0
votes
0answers
50 views

How do I decrypt seczip AES256-encrypted files using 7-Zip?

Using 7za on SLES 11, how do I decrypt AES256 files? I have created these files on a mainframe using “seczip” with password protection and AES256 encryption. I want to decrypt them on an SLES 11 ...
0
votes
2answers
184 views

Is it possible to re-install an operating system over an encrypted system?

Scenario: I buy old PC/laptops, fix it and then resell them. I recently got a laptop at an auction with the whole system password encrypted McAfee Endpoint Encryption. Windows does not even load. I ...
0
votes
0answers
15 views

Encrypt single files easily [duplicate]

Right now I am using truecrypt to share files over dropbox but having the set container size is very annoying because dropbox has a limit to storage. I am looking for a way to encrypt individual files ...
0
votes
2answers
49 views

Is it possible to decrypt files which were encrypted by gpg with a very strong password?

I have encrypted my important files by gpg with a 32-length password, includeing upper-case characters, numbers and some special characters. I have stored them online so they can be download by ...
0
votes
0answers
32 views

Truecrypt - cannot resume encryption?

I started encrypting a 'non-system partition' and deferred it. I later initiated "create volume" a second time and encrypted a different drive. But now I am forced to format the previous drive and ...