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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Bitlocker decryption not starting

I was about to do a fresh install of Windows 7 64bit on a laptop currently running Windows 7 32 bit with a Bitlocker encrypted 232GB hard-drive with 1.54GB free. I have already backed up all the data ...
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99 views

Is there a way to use a “hardware fingerprint” to automatically mount an eCryptFS directory on boot?

I would like to have an eCryptfs directory "securely" automatically mounted on boot without logging in. My scenario is this: I have an embedded ArchLinux server (ARM-based) that uses a removable ...
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37 views

Possible to make a switchless install from a password protected archive?

I am using 7-zip to make a switchless install (method for doing so here and here). I would like to use a password protected archive to make said install to help prevent the average user from simply ...
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54 views

Emacs Gnus email decrypt smime without openssl

I use gnus for my email. Every once in a while, I receive an encrypted email; when I answer "yes" to Gnus offer to decrypt it, it responds smime-verify-region: No CA configured. Now, my workplace ...
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387 views

Bitlocker with 2 SSDs in RAID 0 - Does TRIM function?

I've found that in Windows 7 and 8 if you have one of the newer versions of Intel Rapid Storage Technology the TRIM command is passed to SSDs in a RAID configuration (see here for example ...
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41 views

How to install 2 encrypted instances of Linux Mint on the same SSD, both with different encryption passwords?

I'd like to have 2 different Mint installations on the same hard drive, each with each on set of encryption keys, so if I enter one password, it will boot on one, if I enter the other, it'll do the ...
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183 views

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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48 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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28 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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216 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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148 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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182 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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68 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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272 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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78 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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630 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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912 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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151 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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178 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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107 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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106 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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62 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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351 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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275 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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63 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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625 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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714 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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172 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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139 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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234 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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515 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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120 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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634 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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134 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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126 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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370 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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130 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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167 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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171 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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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 ...
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10 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 ...