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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192 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 ...
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83 views

Is this a ransomware?

I just got this window on my main computer: Apparently, it's from Windows. I checked, the process EXE file is the original one (efsui.exe or something like that). But the thing is, I don't use EFS (...
3
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156 views

How can I safely remove an RSA 4096 ransom-ware virus?

My dad's computer got infected with an RSA 4096 ransom-ware virus. For those who don't know it is a virus that encrypts all the files on your PC using an RSA 4096 encryption key. Then you need to use ...
3
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40 views

Mail encryption on Windows RT

Is it somehow possible to use mail encryption preferably via GPG on Windows RT? Since on a Windows RT Surface tablet you only have access to Windows Mail as an app in the store, there is no fancy ...
3
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308 views

Reading Encrypted Files from Android microSD Card

My wife had a Samsung Galaxy S3 which she just traded in for a new phone. I would like to get some of the files off of the micro SD card if possible but it was encrypted. I have tried using ...
3
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138 views

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 ...
3
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402 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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226 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 ...
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1k 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 ...
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19 views

Samsung SSD 840/850 Pro with Encryption: how does portability work?

Context. the Samsung SSD Pro series ships with a hardware-based encryption feature which protects the disk content. As highlighted by many other questions and guides online, this feature can be "...
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37 views

Print (cat) a vim encrypted file

I used -x option in vim to encrypt a file. I read this files much more times than I write to it, so I always use cat and then remember it is encrypted because of what it shows.. So then I have to ...
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21 views

A portable linux system with luks encryption can't boot on one of my machines

I installed opensuse on a portable SSD drive, which I can boot on several of my machines. The installation uses luks encryption on /home and /swap partitions (ext4 filesystem). But only when I use ...
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51 views

Duplicati uses symmetric encryption despite giving the recipient ID_key

I have a question regarding decrypt using gpg asymmetrically. I use duplicity encrypt copies asymmetrically. E.g: `Duplicati.CommandLine.exe backup s3://testduplicatigpg3 C:\Users\test\Desktop\tt --...
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2k views

How secure is VeraCrypt by IDRIX when compared to the now defunct TrueCrypt?

I would like to know how safe is VeraCrypt by IDRIX to use when compared to TrueCrypt, which as the webiste states is unsecure. Had IDRIX managed to fix all the security bugs in TrueCrypt or is there ...
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247 views

Is a VeraCrypt partition slower?

I just got a new external hard drive. I want to create an encrypted partition on it with VeraCrypt. I did the same thing with a similar drive. I just copied a file over to it and the speed was about ...
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1k 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 ...
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120 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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182 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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36 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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0answers
47 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 (...
2
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39 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 ...
2
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52 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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289 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 ...
2
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158 views

Multi-boot encrypted operating systems on EFI

I'm getting ready to "redo" my desktop computer, encrypting all of my partitions as I install the operating systems. I currently boot with EFI. I'm looking to install both Ubuntu 12.04 (really ...
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45 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 ...
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106 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 ...
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533 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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399 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 there'...
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528 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 ...
2
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1k 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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666 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 ...
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158 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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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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0answers
114 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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2k 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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109 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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348 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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627 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 e-...
2
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870 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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0answers
663 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 ...
2
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0answers
509 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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27 views

Getting BAD Signature when verifying Linux Mint .iso image

I've been attempting to install Linux Mint 18 on a hard drive for a while now, but I continuously run into an error when I try to use gpg --verify. The exact error is as follows: $ sudo gpg --verify ...
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51 views

SSD encryption the proper way

When encrypting devices it is always recommended to fill it with random data first, or it would become evident that the drive is encrypted and how much encrypted data there is. I've read that on an ...
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33 views

How to remove incorrect password for file symmetrically encrypted with GPG

I used Emacs to encrypt a text file with a symmetric key. When decrypting the file, the program pinentry opens a window for password entry. I accidentally clicked the checkbox for "save in password ...
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7 views

Diagnose encryption problem in Microsoft Outlook?

I am unable to send an encrypted email to a party for whom I have a certificate. How can I diagnose the problem? Microsoft's error message does not explain what the problem is: Notes: The party's ...
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13 views

What do I need to do in order to use Enigmail on more than one PC?

I've already imported my keys from pc1 to pc2, but on pc2 I always get this error message: Error - no matching private/secret key found to decrypt message; click on 'Details' button for more ...
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38 views

Password reset with Live Account - What files are “encrypted files” in Windows 10

I have access to my account through live login and my Windows 10 pin but I need to log in from safe mode to reinstall my video drivers in a clean manner. To access this account in safe mode I would ...
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16 views

Is the EFS key of all accounts associated with the same Microsoft account the same?

My boot hard drive stopped working but I had backed up all the files on an external hard drive and encrypted it with EFS prior to this. I unfortunately did not make a backup of the key and so was ...
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42 views

How to mount a LUKS encrypted device with password prompt NOT at bootime?

I would like to automate the process of doing sudo cryptsetup luksOpen /dev/sdc sdc_crypt sudo mount /dev/mapper/sdc_crypt /mnt/data in one line with mount /mnt/data and only be prompted for the ...
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16 views

About using sshfs as multi-user file system (different hosts) and potential problems

I have a large online storage for backups which I mainly access through sshfs. Since I am using encfs for encryption (I know about the security concerns but even weak encryption is better than no ...