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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Automount LUKS encrypted USB HDD with keyfile auth in Mint/Cinnammon

My external backup HDD is LUKS encrypted and can be mounted with password or key file. When plugged in, Cinnammon asks me for a password and mounts it to /media/user/drivename. I want to change ...
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1k views

Intel Rapid Start Technology Incompatible with Whole-Disk Encryption?

I have a brand new Dell XPS 15 laptop, and I'm getting the following message popping up from time to time. Searching around, I see that Windows 8.1 is supposed to have whole disk encryption enabled ...
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46 views

Issue in Using Truecrypt

I have encrypted my external HDD using true crypt and the functionalities of Truecrypt seems to be working fine. I have configured a traveler's disk setup so as to run truecrypt from within the HDD ...
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27 views

Folder Encryption in a network

I am using Windows 7 and I want to put a password in my folder in a LAN. Example: The \192.168.1.1 address is the Server of File sharing in a LAN (in my case). So all of the PC's that are connected ...
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196 views

After Bitlocker Decrypt Disk is Write Protected

I have an internal HDD that was previously a Win7 boot disk and was encrypted with Bitlocker. I replaced the old computer with a new one with a new HDD. I moved the old Bitlocker encrypted HDD to ...
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301 views

Time Machine encryption versus disk encryption

I'm backing up with Time Machine on a Mac Pro to an internal hard drive. I have encrypted my Time Machine backup in system preferences. This resulted in an initial backup of about 2 days, and backups ...
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143 views

Why is there used space in empty TrueCrypt file containers?

I'm new to Truecrypt so I didn't quite get the hang of it yet. So, I started experimenting by creating a "standard", not "dynamic" 5MB file container and another one 10MB both are NTFS filesystem, AES ...
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37 views

Truecrypt has marked my C: Drive as a “TrueCrypt Traveler Disk”

I'm no expert in TrueCrypt or encryption, but I needed to encrypt my USB with a password and it was suggested to me to use TrueCrypt. So after long hours of trying to find out how to add a password, I ...
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172 views

Backup EFS encryption key generated, but no encrypted files? Track what caused the key creation

In I started getting a weird message "Encrypting file system - Back up your file encryption key" a user experiences a prompt that I also experienced yesterday for the first time. Now the ...
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66 views

Encryption software that allows for password OR keyfile

My requirement is that my Windows 8 laptop should be encrypted (whole system drive) and ask for password on boot, except when it is docked in a specific docking station. If docked, it should boot ...
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257 views

S/MIME email Public Certificate?

Is there a way to create a public certificate for a S/MIME email certificate? I would like to share the public key on my website so people can send me encrypted emails. However I can only find ...
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76 views

how to ensure large encrypted files are not corrupted over time?

I created a 20GB truecrypt container file. I use it to store videos. I store it on an external drive that is always connected to my Win7 daily PC, and only occasionally mount this container file with ...
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618 views

Automatically mounting an encrypted USB disk at boot

I've followed these steps to set up an encrypted USB hard disk on Lubuntu 13.10, and these to unlock it with a keyfile instead of a passphrase. I now have a disk ...
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28 views

Damn Small Linux: aes module not working

I try to get losetup with aes encryption working on a Damn Small Linux 4.11 rc2, but without success: # modprobe aes $ dd if=/dev/random ibs=512 count=256 of=crypt.img # losetup -e aes /dev/loop0 ...
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846 views

EFS not available on Windows 7 Home Premium: workarounds?

This may well be an easy question to answer. I am running Windows 7 Home Premium and my hard disk's file system is set to NTFS which in theory should support EFS. However I've read that EFS is only ...
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146 views

Mac OS X Disk Encryption - Automation

I want to setup a Mac Mini server with an external drive that is encrypted. In Finder, I can use the full-disk encryption option. However, for multiple users, this could become tricky. What I want to ...
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236 views

permanently decrypt messages in outlook (S/MIME)

I have messages encrypted with S/MIME in Microsoft Outook. These can only be decrypted with the certificate installed on the client. Encryption stays even when saving the messagesto disk (as .msg) or ...
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166 views

How can I find what type of encryption my DMG is using?

I have an encrypted DMG file on my Mac. Is there any way to use Terminal, and maybe the diskutil command to list what type of encryption the DMG is using? Or perhaps some other command? Or maybe ...
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106 views

How secure is PasswordBox?

There is a fairly recent newcomer called PasswordBox on the market as a password manager. I've read through their documentation, and although it sounds like it should be secure, I have been unable to ...
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52 views

Encrypt all disk and decrypt it depending on the sytem hardware

Is there any tool that can encrypt a whole disk and use a decrypt key based on the hardware of the machine? My goal is to create anti-copy OS that can only run on a specific machine, if i change the ...
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105 views

Backing up private git repos to a normal (non-root) ssh account?

It's nice that with github and similar services, I can backup my open-source projects (using 'git push'). With private data, I have some reservations though. I'd prefer that my repos are encrypted on ...
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61 views

Exactly how does Thunderbird encrypt usernames and passwords?

The more specific the better. I'm wondering exactly what algorithms Mozilla uses to encrypt usernames and passwords for Thunderbird accounts. (located in the 'signons.sqlite' file in the 'moz_logins' ...
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341 views

How do I enable a self-encrypting drive (SED) on Windows 7?

I recently purchased a HP laptop with Windows 7 Pro and a MTFDDAK256MAM-1K12 (https://www.micron.com/parts/solid-state-storage/ssd/mtfddak256mam-1k12) self-encrypting SSD drive (SED). However, I ...
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267 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 ...
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62 views

win7 changed password and encrypted files are not accessible

I did a reinstall of windows after I was having some issue with updates not working and the winsxs folder was getting huge and eating up about 14gb of my 80gb ssd. I thought I decrypted all the files ...
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595 views

Trigger Recoverable BitLocker Lockout

My team is about to provide our traveling colleagues with new Windows 8 laptops. Part of our security solution depends on the use of BitLocker. Every laptop will have two partitions configured like ...
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690 views

Open an .EPM file on a Mac

I have an a CD from work encrypted with Check Point End Point encryption software for windows. If I was trying to open this on a Windows computer I would just open the included .exe file on the CD and ...
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168 views

How can I create an encrypted file on OSX for opening on Win7 w/out 3rd party software?

I do love PGP/GPG, but I have users who don't want to, or can't, install 3rd party binaries. Is there a way on OSX to create a (strongly) encrypted file on OSX which can be opened by Windows 7? With ...
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132 views

Encrypting or protecting my ID for all applications

Problem I work in an environment where I have to use my LDAP ID+pass for running various applications as admin, sending emails, or for letting the application access the internet and so on.. A ...
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229 views

If I send an encrypted message using Apple Mail, are the attachments also encrypted?

A while ago, I'd tested this by sending myself an email with a file attached, then opening it in a web-based client. What I saw was a blank message with a single smime.p7m attachment. I assumed this ...
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508 views

Why “not a valid LUKS device”?

During installing Debian Squeeze I created partitions on a VPS (/dev/vda): vda1 = /boot vda2 = encrypted LVM (not using a standard way of Debian installer, but with the help of cryptsetup switching ...
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117 views

Encrypt Excel file on Windows for use on Mac

I have an Excel file open using Excel 2007 on a Vista PC. I wish to encrypt this file, and send it to someone to open on a Mac running Excel 11.6.6 (Office 2004). Is this easily achievable? I ...
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83 views

Cannot open an encrypted file on OS X

I cannot decrypt files on OS X (10.6.8 and 10.8.2) which I have encrypted on Ubuntu (10.04) using ccrypt. As a similar problem, I have a password file created with KeePassX. I just cannot open it on ...
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131 views

Can't find second partition on encrypted drive with two partitions

I have a drive with two partitions, a system partition (Windows 7) and a partition just for data. Both are encrypted with the same password. I didn't had any problems, but yesterday my laptop gets ...
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629 views

Truecrypt - Mount with command line options through GUI

I'm trying to mount a Truecrypt volume with the "Preserve modification timestamp" setting disabled. However, I only want the setting disabled for just this volumen, not all volumes. The only way I've ...
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132 views

Is there any way to block all unencrypted connections?

I'm in the United States and I really don't think what I do is any of my ISP's business. No, I'm not doing anything illegal, I would just rather they not be watching everything. I tried TOR a few ...
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125 views

If a passphrase for a luks container is discovered, can that reveal another passphrase?

I've been looking for an answer for this scenario - say I've got a volume encrypted with a long passphrase. something like a skeleton key passphrase thats used for a number of volumes. This volume ...
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362 views

How can I make an encrypted email message into a .p7m file?

This is a bit complicated, so I'll explain what I'm really trying to do here: I have a Debian server, and I want to automatically email myself certain logs every week. I'm going to use cron and a bash ...
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109 views

Setup new Mac from encrypted timemachine

I was setting up my new Mac from encrypted timemachine, to my surprise, Lion start importing the files from timemachine without asking for the encrypted key. I couldn't find any documentation about ...
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127 views

aescrypt doesn't function with pv in pipeline

I am writing a bash script that pipes a file through pipe viewer to watch encryption progress. However, whenever I use aescrypt in the pipeline with pv, I get an error about not matching passwords. If ...
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115 views

Why do I have some “encrypted” files on my Win7 Pro drive

For reasons I can't fathom I appear to have a lot of files on my drive that are considered as encrypted (I just tried to xcopy /s /c /y /d a_dropbox_folder\*.* \\somewhere_on_my_nas_drive\ and got ...
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166 views

using zfone in practice - how do i force gtalk to use SIP?

Recently i got a need for a fully encrypted and safe communications. Believe it or not - there is no simple solution. Criteria for needed software include: 1. Encrypted 1 to 1 chats (text). 2. ...
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116 views

Windows live messenger video encryption

I was searching for an alternative for Skype video chatting and I found a super user question which recommends windows live messenger. I used it couple of times, and then I was worried about the ...
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170 views

How to install SafeGuard Easy on a Macbook running Windows 7

When I install SafeGuard Easy 5.6 on a Macbook running Windows the Installer stops at some point and rolls back. I am aware, that this is not offically supported ...
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21 views

Macbook filevault paused

So during the setup of my mac I have checked the FileVault box, and now it isn't finishing. When the macbook is not connected to the chargers it asks me to do so. When I connect the mac the Filevault ...
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How do I import a pfk file into MS Outlook 2010?

What specific steps can I take to successfully import a .pfk file into MS Outlook 2010 and then use it to successfully send encrypted/signed messages/attachments to the email address associated with ...
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12 views

SecurePoint is not allowing https access through OpenVPN, why not?

How can I get https access from Windows through OpenVPN to apps running on a remote CentOS 7 server? I am trying to use the SecurePoint OpenVPN client for Windows, but need some better instructions. ...
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45 views

Debian Wheezy doesn't map LUKS partition on boot

Firstly, I apologize for my English. It's really hard for me to write this lines; please, understand if I'm not clear enough or I explained very briefly way. I have an encrypt partition with LUKS ...
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23 views

Is there a way to decrypt the files without EFS key in windows 7

I was using Windows 7 in my system and files were being encrypted on their own. Now after formatting my system (with Win 7 again) I am unable to use/access any of those encrypted files. Kindly help if ...
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39 views

Mac Legacy Filevault Password Hints (.sparsebundle)

My MacBook died, so I pulled the HD and I'm trying to access the user accounts which are encrypted with Filevault. It's SnowLeopard, so there is a .sparsebundle file for each user. I've unlocked the ...