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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20
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4answers
69k views

How to access a BitLocker-encrypted drive in Linux?

I have a laptop running Windows 7 Ultimate. I have encrypted my drives using BitLocker. Now I have also installed Lubuntu along with Windows. But my encrypted drives are not visible in Linux. How ...
0
votes
1answer
3k views

How to recover TrueCrypt partition deleted with Windows Disk Manager

I got a whole HDD encrypted with TrueCrypt (one partition, non-system disk). I have deleted this partition by coincidence with windows 7 disk manager. Now, I can't mount the TrueCrypt disk (saying ...
0
votes
0answers
10 views

Which tools can perform cross platform external disk encryption? [on hold]

With TrueCrypt headed out the door, which cross platform tools can one use to transparently encrypt a partition on an external disk? Personally I'm looking for both OS X and Linux support though I ...
2
votes
1answer
2k views

Restoring a SSD locked with HDD password

Seeing that my Samsung 840 SSD has hardware encryption using the HDD-password from BIOS, I decided to try it out. Since there was no password before, I entered my password in the HDD password field in ...
1
vote
1answer
19 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
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0answers
8 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 ...
0
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0answers
17 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 ...
-1
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0answers
23 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
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2answers
2k views

Decrypt RC4 in Linux

I'm looking to decrypt RC4 encrypted data. I've tried openssl but it doesn't support my key length of 64 bits (my version only has rc4 and rc4-40). Encrypted data: ...
-1
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0answers
18 views

How does tor exit node remain undetected?

I've just read about Tor and as i realized when I run tor and type some website(example.com) and hit enter this request is encrypted couple of times and goes to some computer, then it decrypts gets ...
0
votes
1answer
279 views

mounting and accessing Encrypted LVM after reinstallation of Linux

I had Fedora installed on a LVM & had my /home & another file systems in it encrypted. ( i remember the passwords but forgot the cipher protocol used ) Now, I installed Ubuntu without ...
0
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0answers
27 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
votes
0answers
23 views

Third party encryption tool for specific folder or files [closed]

I usually store some ansible permission key files which are used for local office servers. I need to use ansible online with all nodes. At the same time, I want those files available on dropbox so I ...
0
votes
0answers
36 views

Mount encrypted volume before / during login

To reduce impact of possible computer theft, I would like to have my user profile protected using a robust encryption, so that even if someone can get a physical access to my computer, he will not be ...
0
votes
2answers
451 views

Truecrypt And SpiderOak

I use SpiderOak for cloud backups... I like how they encrypt everything on their servers. I also want to use Truecrypt on my computer to encrypt sensitive info. Would I be able to upload these as ...
1
vote
0answers
38 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
8 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
33 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
2k views

7-zip command line -p switch not working according to help page

I want to be able to automate the encryption of the file type .pcapng in a windows batch script. My current problem is that I get an error when extracting the encrypted file saying something along the ...
1
vote
2answers
45 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
9 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 ...
3
votes
2answers
3k views

dm-crypt/LUKS passphrase/keyfile length

I have a couple of dm-crypt/LUKS related questions. Setting up dm-crypt/LUKS with these settings: cryptsetup -c aes-xts-plain -h sha256 --key-size=256 -y luksFormat /dev/sda1 (1) Considering the ...
0
votes
4answers
931 views

use password in win rar to protect file is secure or not

I use winrar to protect a file from others reading it. I set a password on the archive and use a 5-digit password. Is this secure or not? When I want to read it, I extract the archive,read it and ...
1
vote
2answers
44 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
286 views

Move /home to a new HDD encrypt it with luks

as I'm getting more into linux, I'd like to make a few changes to my setup which seem pretty advanced to me. But first of all let me explain my setup so you know with what you are dealing with. This ...
0
votes
2answers
45 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 ...
1
vote
1answer
18 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
68 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
3answers
433 views

fglrx drivers cause blank luks encryption password screen on boot, on Linux Mint Petra 16

I recently did a new install of Linux Mint 16 Petra on my main desktop, and used the full disk encryption option from the installer. The installation went smoothly, and the encryption password prompt ...
-2
votes
0answers
38 views

7-zip encrypted file corruption - How to recover file?

I have an uncompressed but encrypted 7z archive. If I manually corrupt a byte in there using a hex editor, 7zip will say that it can't decrypt the specific file containing the error (but it will ...
0
votes
2answers
34 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
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0answers
34 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 ...
0
votes
1answer
50 views

BitLocker protected VHD volume corrupted

Due to all the security hype about TrueCrypt I decided to try out VHD + BitLocker to create encrypted containers. This test went OK for a few days. I used this drive just yesterday with no issues. ...
1
vote
1answer
104 views

Make browser and server use the eNULL SSL/TLS cipher

Is it possible to make a browser and a web server use SSL/TLS (https) with eNULL cipher for debugging purposes in a development environment (e.g. wireshark capture without setting up SSL stream ...
1
vote
1answer
128 views

Encrypted files after resetting windows password

I have some encrypted files in windows and the user account is protected by a password which can be easily bypassed by many tools and methods. So what will happen to these encrypted files? Will ...
1
vote
0answers
34 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
65 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
1answer
22 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 ...
0
votes
0answers
29 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 ...
3
votes
3answers
226 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
2answers
68 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
23 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
0answers
35 views

Why does KeePassX auto-type not work for Enigmail passphrase prompts?

Whenever encrypting/decrypting an email using the Enigmail extension for Thunderbird, the "Enter Passphase" popup doesn't allow switching windows or workspaces. Because my password is in KeePassX, I ...
3
votes
1answer
6k views

Windows Bitlocker and automatic unlock password storage safety

I've encrypted my external HDD with a Bitlocker and after rebooting computer I tried to open that drive and got this message: Say, if I pick to "Automatically unlock on this computer from now on", ...
0
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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
36 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 ...
2
votes
0answers
92 views

Thunderbird GnuPG + Enigmail: encryption command failed

Yesterday Thunderbird complained that I used GnuPG 1.x and the next update of TB would not work with this version. So I upgraded my Mac (OSX 10.10 Yosemite) to GnuPG 2. Now I see that TB has a new ...
31
votes
2answers
20k views

How secure are password-protected zip files?

In modern zip utilities like 7zip, you can specify a password when creating a .ZIP file. But, how secure is this? What encryption algorithm(s) are used to secure password-protected zip files?
0
votes
0answers
13 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 ...
1
vote
2answers
2k views

Is there an rsync alternative, that stores compressed and encrypted?

I'm looking for a suitable off-site backup / file synchronization solution. Both local client and remote server run linux. Storage space on the server is limited, bandwidth between client and server ...