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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140 views

Files were encrypted by virus, and old (win 7) OS is gone - What Do?

So for the past few weeks I have been planning on switching from windows 7 to Ubuntu (14.04) with windows running in a VM for whenever I need it. 2 days ago my antivirus complained to me that I had a ...
3
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333 views

Poor write performance on ecryptfs

I did a bit of benchmarking with ecryptfs and dm-crypt, and got some interesting results. All the following were done with a Btrfs filesystem, using dd to copy a ~700MB file to/from a ramdisk with the ...
3
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143 views

How to change the passphrase of a duplicity backup?

How to change the passphrase of a duplicity backup? I tried to just provide a new one when doing a backup but was faced with an error. GPGError: GPG Failed How should I proceed to change the ...
3
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0answers
900 views

Speed constraints of encrypted USB drives - Where are the bottlenecks?

I would like to keep my 1.5TB USB 2.0 external drive that I use for backups encrypted. I'm using TrueCrypt and have created a fully encrypted volume. This took 18 hours. My question is: Does ...
2
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0answers
57 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. ...
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20 views

3DES_CMAC encryption using online tools or OpenSSL

I have a smart card that claims that its mutual authentication is based on 3DES_CMAC algorithm. In the first step, the user sends a random number to the card and the card calculate the encrypted ...
2
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35 views

Unable to log into encrypted root drive after running virtual machine

I am unable to log into my encrypted hard drive on the host which is Ubuntu 14.04 LTS desktop. This all happened after I did the following. Ran VirtualBox Created a VDI drive Installed Kali Linux ...
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30 views

Create BitLocker container and save the password for user not computer

I can create a BitLocker container and connect it as a drive. Then I can encrypt that container with BitLocker and then I have the possibility to save the password for a computer. So that means ...
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38 views

How to boot encrypted drive

i have a laptop installed with endpoint security disk encryption. I create a live usb to boot linux, but it doesn't work. Is there a way to boot a usb thumb drive from an encrypted disk? do i need to ...
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200 views

How to mount encrypted rootfs using uboot without entering password on beaglebone black

I am using Beaglebone Black as my board. I want to encrypt internal eMMC of BBB.(rootfs) I am using debian. there is two partition on eMMC. 1st for boot :vfat 16 (which include MLO and u-boot.img ) ...
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207 views

Debian shutdown takes a long time (RAID/crypt related)

I'm running Debian Jessie and recently my shutdown has been taking a long time. When I sudo shutdown -h now I'm sent to a blank screen except for a blinking cursor which sits for ~1 minute. It then ...
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127 views

Is there a tool like dm-crypt/luks using RSA encryption?

Is there a library/tool available for linux, similar to dm-crypt/LUKS using RSA encryption instead of symmetric ciphers? I want the "public side" to only be able to create these volumes, and the ...
2
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330 views

How do I determine what ciphers & cipher modes I can use in dm-crypt/LUKS?

I'm using an Ubuntu-based system, and I'm having difficulty determining what ciphers and cipher modes are available to me. The cryptsetup man page says: "See /proc/crypto for a list of available ...
2
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0answers
35 views

How can sensitive data written in a custom Outlook Form be protected?

We have an outlook form that is installed on some users machines, for use with their Exchange email account. All the emails sent using that form go to an internal functional/shared mailbox that is ...
2
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46 views

encfs mysql datadir: Errcode: 13

I'm using encfs to encode the /var/lib/mysql data directory, but mysql returns Errcode: 13 at any attemp of create tables or databases. To do so, I moved all files to a temporary dir, created the ...
2
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373 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 ...
2
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317 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 ...
2
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0answers
843 views

gpg-agent fails with “command get_passphrase failed: End of file” on pinentry

I'm trying to use Enigmail with Thunderbird on Linux. GPG itself is set up, keys imported and I already can use the key management functions (including signing of keys) from kgpg. But Mail encryption ...
2
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0answers
526 views

TrueCrypt system encrypted drive fails to load Windows

I have full system encryption on my Win 7 Pro/64 hdd. I boot the machine and enter the TrueCrypt password, and Windows starts to load but fails with the error message "The boot selection failed ...
2
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0answers
145 views

How can I encrypt my whole personal user folder on Windows?

I share my computer with other people who also have administrative rights on this PV. To avoid giving them access to my personal data, like recent history, Dropbox content, and so on, I'd like to ...
2
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0answers
103 views

Turning Computer into Router,Network Address Translation encryption.?

I have windows seven and am using connectify. but when i try to connect to the interner through my ethernet court in my dorm room the comp0uter doesnt recognize the ethernet cord. I belive that the ...
2
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111 views

Do there exist any published security audits of FreeOTFE?

I see that http://www.freeotfe.org offers FOSS encryption software for Windows. This software also has a Wikipedia article devoted to it. However, it appears to have received less scrutiny than its ...
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1k views

Is it possible to open encrypted sparseimage files from MacOS X on Windows?

Windows programs MacDrive Pro and TransMac are capable to open MacOS X .sparseimage files. Does it include encrypted sparseimage files ? Are there other programs to open such files ?
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440 views

Troubleshooting TrueCrypt AES pretest errors

Every time I try full system encryption with truecrypt (AES) I'm getting a 'pretest failed' message after my test reboot. The thing is, nothing actually fails, I get a password prompt from the boot ...
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89 views

Photoshop with Bitlocker

I found this entry (Photoshop's activation software overwrites fixed drive adresses) in the TrueCrypt documentation that scares me quite a bit. How does Bitlocker handle this issue? Similarly, how ...
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331 views

Multi-Truecrypt, One unencrypted

My goal is to create a multi-boot system in which I have an unencrypted Windows XP\7 for guests and and an encrypted Windows 7 for me with WUBI installed on this partition if possible. Truecrypt ...
2
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475 views

Automatically Encrypt And Forward An E-mail

I'm looking for some mechanism to receive e-mail, automatically encrypt it and forward to another e-mail address. Essentially, I want to this new e-mail address to be an 'off-site backup' of all my ...
2
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0answers
673 views

Interrupted encryption using Windows 7 BitLocker

Can anyone help me please? While I was encrypting my hard drive with Windows 7's BitLocker, I accidentally pressed the "Cancel" button, and now my hard drive won't accept my password. Is there any ...
2
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621 views

How to customize Seahorse plugin behavior in Nautilus?

I use Fedora 14. The seahorse-plugins package adds a nifty context menu option in Nautilus that allows you to encrypt/decrypt files easily with your GPG key. But is it possible to customize its ...
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474 views

Windows 7 created a Encrypting File System key for me. How can I tell if it's in use?

I never knowingly created an encrypted file system, or encrypted files. This similar question proposes that it might have been Office 2010, which is a possibility. (Though it's irritating that some ...
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10 views

How to change from passphrase to encrypted key file in debian using luks?

I have four partitions plus /boot, each one with a different passphrase. I would like to manage unlock of all partitions with a single passphrase that decrypts the gpg.key file on the boot partition. ...
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17 views

How to mount a truecrypt container with noatime?

I'm using the TrueCrypt GUI on Ubuntu and I don't think there's an option for specifying mount options in the interface. I want to use noatime, because it reduces writes to the disc. I have seen the ...
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28 views

7zip only asks me for a password once when I open an encrypted file

I archived some files on my laptop and encrypted them using 7zip and the first time I tried to open a file, it asks for the password, but after that it never asks for a password... is there a way to ...
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0answers
20 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 ...
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0answers
27 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 ...
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86 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 ...
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71 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 ...
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17 views

Is it possible to encrypt full volumes post-boot?

I have a triple boot system with Windows 7 Ultimate, Kali Linux, and Ubuntu Linux. My bootloader is Grub2. Initially, I wanted full disk encryption covering all three installations but I've found that ...
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14 views

Can Enigmail automatically not encrypt email for multiple recipients?

I have Enigmail/Thunderbird set up to automatically encrypt email when I send it to a particular recipient. I have it choosing my keys "By Per-Recipient Rules" and "By Email Addresses according to the ...
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139 views

Using OpenSSL to generate encryption key for Outlook users

A private web application needs to receive encrypted email from perhaps 20 known users. How can I use OpenSSL to generate a valid encryption certificate that Outlook users can import and use to ...
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0answers
166 views

Using batch to automate manage-bde

We would like to encrypt C (full disk) specifying a startup password (we are ok with this in plain text, it's temporary) and simply backup the recovery key to the desktop. So far what's working is ...
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0answers
145 views

TrueCrypt disk encryption causes extremely slow Windows startup

I have a Windows desktop that was fast on startup until I encrypted the hard disk with TrueCrypt. Now it takes maybe around 3 minutes to startup after I type in my key. Then when my desktop appears, ...
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94 views

7-Zip: Opening image from 7z archive produces error code 0x8000000a

I've tried encrypting a folder containing a text file and an image with AES encryption using the .7z format. When I enter the password to open the encrypted folder the two files are displayed. I can ...
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62 views

What causes the files in Program Files to be inaccessible?

I have got strange problems on my notebook for months. I finally tracked down the problem to unusual situation in C:\Program Files, so now I ask this question here. I have got two user accounts - ...
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0answers
39 views

Decrypted Trucrypt drive won't mount in another computer

I am upgrading computers and will use Bitlocker on the new machine. I decrypted my system drive on the old machine that was encrypted with TC so that I can more easily transfer my old data across. TC ...
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58 views

Why is my bitlocker data drive unlocked for a few seconds after boot?

To specify: why is the data on my bitlocker encrypted drive available for a few seconds after logging in? After a few seconds the system 'notices' the drives are bitlocker encrypted and need to be ...
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38 views

Decrypting a Windows MIG file

I was wondering if anyone has any experience with decrypting an MIG file created by Windows 7 easy transfer. We have a client that has 15 years of genetic research and never wrote down her password ...
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53 views

Pairing of logitec Unifying devices uses a “secret algorithm”?

I'm considering buying a Logitec M570 wireless trackball. This device uses Logitec's "Unifying" wireless technology: a single tiny USB insert supports multiple logitec devices. This thread ...
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29 views

Encrypt Lightning event invite mails with pgp

I use Thunderbirds/Icedoves Lightning add-on to manage my calendar, tasks and notes. When creating an event I can add attendees and send invitations to them, but they won't use their public pgp keys ...
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134 views

“Unable to decrypt password” in Remote Desktop Connection Manager v2.2

I can log in as the administrator and access the servers just fine but the problem shows when I try to log as a user - then I get that message: Unable to decrypt password How can I fix it? Doing as ...