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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Outlook email is scrambled (Looks like Encryption Junk) on forward

OS: Windows XP SP3 Email Client: Outlook 2003 Recently the place were I work has had an issue. One of our employees can receive email just fine, but sometimes when forwarding it, it turns into a ...
2
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2answers
2k views

Firefox 39 - Secure Connection Failed - weak ephemeral Diffie-Hellman key in Server Key Exchange handshake message

As of Firefox 39, connecting to an old administrative interface for some third party software gave the following message: Secure Connection Failed An error occurred during a connection to ...
4
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1answer
166 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 ...
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0answers
51 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 ...
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0answers
17 views

How to restore OS when I've deleted Kernels from full disk encrypted Ubuntu 14.04 (also with home directory encryption)

I have an Ubuntu 14.04 OS on which I enabled full-disk encryption and home directory encryption. In the process of updating Ubuntu my boot folder was too full to update so I ran a command I thought ...
0
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1answer
32 views

ssh proxy command with netcat

In example like this: Host destination ProxyCommand ssh gateway nc %h %p Is the connection between the gateway and the destination encrypted? I am confused because I have 2 hypotheses and both ...
2
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1answer
459 views

Are iBooks ePub files encrypted?

I tried to open an iBooks ePub file with Adobe Digital Editions... and it came as like 100 blank pages. Is this a sign that it is encrypted, and if so, how do I decrypt it to plain text?
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1answer
28 views

open a pgp file and edit the decrypted content, re-encrypt on save [closed]

I use dropbox to backup my data, but I don't trust it. It's mostly for .txt files Is there a way of opening them (with emacs or sublime text or something else), and edit the underlying content like ...
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2answers
8k views

Change Bitlocker Recovery Key

Is there any way to change the Bitlocker Recovery Key?
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5answers
12k views

Is it possible to FORMAT an external hard disk that has been encrypted using Storagecrypt?

I lost approximately 680 GB of data on my Seagate 2TB hard drive while experimenting with a software called StorageCrypt. I used it a few months ago and today I tried it again. But, I didn't know ...
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6answers
12k views

Wipe RAM on shut down to prevent Cold Boot Attack

My system is encrypted using Full Disk Encryption, i.e. everything except /boot is encrypted using dmcrypt/luks. I am concerned about Cold Boot Attacks, where researchers demonstrated, that content ...
2
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2answers
11k views

Cracking truecrypt files in minutes? Or just truecrypt harddrives in minutes?

Apparently http://www.lostpassword.com/kit-forensic.htm can be used to crack truecrypt hard drive encryption. Has anyone tried it and is it possible to crack truecrypt files too with this software? ...
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0answers
7 views

Can I use a pair of subkeys in isolation, without the master key

I understand that upon generation, I get a Master signing key (alpha), and I get a encryption subkey (beta 1). If I create two keys, beta 2 sign-only and beta 3 encrypt-only, push them to a ...
0
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0answers
37 views

Recovering a deleted 128-bit encrypted .dmg file

I need to recover a recently deleted 15 GB .dmg file, which was deleted from a drive which is otherwise not in use. It should be easy to recover, but neither Data Rescue 3 nor Disk drill seem to find ...
1
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0answers
20 views

Encrypted folder with decryption through network on Windows 7

I'm trying to figure out some way how to have an encrypted folder, which could be decrypted throught network. I have Windows 7 Professional, I've searched for some ways, tried Bitlocker but it works ...
2
votes
1answer
17 views

How to see the encryption algorithm in firefox

Is there any tool through which I can check the encryption algorithm being used when I am accessing a website in firefox? The plug in should be able to show me security related information, like ...
0
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0answers
44 views

Decrypt bitlocker drive with Volume Boot Record corrupted, using recovery key

I have a hard drive with an installation of Windows 7. The 2nd partition that contains OS files and data is Bitlocker encrypted. I messed up that partition when playing with Ubuntu live CD, I ...
0
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0answers
20 views

Remove the “Copy This File Without Encryption” confirmation box

I have a Windows EFS drive, and an unencrypted USB, and a TrueCrypt virtual drive (on the USB). When I copy files from the HDD to the USB or the virtual drive, I get a Windows confirmation box warning ...
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1answer
178 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 ...
2
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1answer
50 views

Garbled text at end of file. Is this encryption related?

Preface: About a month or so, we upgraded our work systems from a Windows 7 desktop to a Windows 8.1 Dell laptop. Laptop's file system is NTFS with DDPE file encryption and desktop's file system is ...
0
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1answer
60 views

MPPE difficulties on OSX PPTP VPN server

I'm trying to get a VPN up and running again on a Mac OSX server, and seem to have run into a snag with MPPE. When I try and connect to the VPN from my laptop on the same local network, I get the ...
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2answers
80 views

Is FTP on router secure?

I am using a 2TB external hard drive connected to an Asus RT-AC87U. The router can be accessed from the internet over FTP with the right username and password. My question is, that how secure is ...
0
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1answer
46 views

Are there risks to encryption of Windows 7 external hard drive?

For greater security, I want to encrypt my USB 3.0 external hard drives, to make it harder for Internet or LAN hacker to get at it; or if external hard disk physically stolen. Encryption method would ...
0
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1answer
25 views

Truecrypt run from USB: Can run w/o admin mode? Secure? Temp files?

I am trying to create a secure USB drive using Truecrypt, but I am confused on a couple of issues, so I have some questions: 1) Can Truecrypt be run from the USB drive (in portable mode) without ...
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2answers
314 views

Is onenote skydrive connection encrypted?

I want to know wheather onenote's network packet are encrypted or not. For example if i stored password in one of onenote's book, could it be easily captured while synchronisation?
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1answer
64 views

OSX Automatic Unlock and Mount Encrypted User Account on Separate Partition

I am using a bootable flash drive with OSX Yosemite, a single admin account, and multiple user accounts (for testing purposes, will migrate to MacBook when I get this to work). I am trying to find a ...
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0answers
49 views

Create incremental/complete backups from a fully encrypted disk using using TrueCrypt?

I have a tricky question about whole disk encryption with TrueCrypt for which I have never found a clear answer: What method do you recommend/use for create backups from a whole disk encrypted disk ...
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0answers
26 views

Securing USB or external HDD mounts with a password (open-source solutions)

I would like to have a password required each time I mount a USB drive or memory stick onto a Windows Vista or 7 computer. It seems to me like I would need an encrypting filesystem: move everything ...
0
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0answers
40 views

How to find and copy all NON-encrypted user-created files?

I have a drive from a Windows XP computer full of files, all the usual filetypes, many the user has created, many 'owned' by Windows or programs... 18120 of them are encrypted. I need to recover all ...
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2answers
113 views

How can i bypass/protect myself from ransomware like ctb-locker? [duplicate]

Recently while using my system for testing I got my machine infected with a malware, My system gets displayed with the following screen : While browsing internet with screenshot i found that its ...
22
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5answers
82k 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 ...
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0answers
123 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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0answers
19 views

Reformatting drive from a GUID partition to an MBR partition

I understand that Truecrypt is not compatible with an GUID partition but that is the limit of my knowledge. I am currently using a system that has a GUID partition but doesn't have bitlocker ...
3
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1answer
515 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 ...
9
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2answers
7k views

How can I access volumes encrypted with LUKS/dm-crypt from Windows?

The answer to this question used to be FreeOTFE (https://en.wikipedia.org/wiki/FreeOTFE); sadly, the project has not been updated for three years and its website (http://www.freeotfe.org) is no longer ...
0
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0answers
50 views

Fast disk encryption on Raspberry Pi

I need to have a trivially encrypted disk on my Raspberry-based server. As far as I know, Raspberry Pi doesn't have any hardware AES encryption. That means, the standard disk encryptions are awfully ...
0
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0answers
50 views

Boot fully encrypted Windows 8+ with GRUB without password using keyfile

I have a current setup so that my entire linux (including /boot) is encrypted and when I first start grub a password is needed to access /boot from my linux partition. But my entire windows partition ...
14
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5answers
10k views

How to encrypt a file or directory in Linux?

What's the most popular command to do such things as encrypting a file or directory in terminal in Linux?
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2answers
1k views

Full Disk Encryption with Two-factor Authentication for Ubuntu: How?

Background Information I'm a Linux newbie recently weaned off Windows. I'm currently using Ubuntu 11.04 without full disk encryption. Only my home directory is encrypted, and with eCryptFS. Lately, ...
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27 views

pgp decryption of file encrypted from named pipe as input does not decrypt to execution directory

if I encrypt data (via gpg) in the form of a flat file, on decryption (via pgp and with out specifying output directory) the decrypted file will write to the execution directory. If I encrypt data ...
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0answers
30 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. ...
1
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1answer
76 views

systemd: decrypt luks device on access

I have an external drive with a LUKS-encrypted partition. As the device is an external USB device and I don't always need it, I only want to decrypt and automount on demand. I can easily automount the ...
0
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1answer
41 views

Fastest way to duplicate encrypted hard drives?

I used hard drive duplicator to do the sector-by-sector duplication of hard drives. I think it took about 5 hours. Pros: easy unattended, computer-free operation Cons: hard drive size ...
0
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0answers
21 views

How to prevent Internet acees if SwitchVPN is not running

I've got a VPN Client (Switch VPN) that automatically starts on Windows login, but requires administratives elevations. As I am the owner of the computer (I share my PC with 2 other persons), I would ...
0
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0answers
26 views

Fedora login screen stuttering

I have the followwing problem with Fedora 22 (64bit): It boots fine, it shows the password screen for the encryptions all fine, then it takes a whole lot of time to even display the login screen. ...
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2answers
556 views

How to encrypt an external hard drive so a password is required only on computers other than my own?

I want to encrypt my external hard drive but I only want it to require a password if being accessed by a PC other than mine. This is because I have Backblaze set-up on my own PC and if Backblaze ...
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0answers
36 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 ...
7
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1answer
940 views

Does UEFI potentially leak encryption keys?

I just built my first computer in years and for the first time I now have an UEFI mainboard. I installed Windows 7 in legacy mode and encrypted my system partition with Truecrypt. Recently there was ...
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3answers
58 views

Effective methods to prevent unauthorized access to my windows system

Problem : I have my windows machine where i used to randomly change password for 15 days,i fear that my friends might hack/misuse my pc with windows password reset tools [normally it would be used ...
68
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7answers
20k views

Compress and then encrypt, or vice-versa?

I am writing a VPN system which encrypts (AES256) its traffic across the net (Why write my own when there are 1,000,001 others already out there? Well, mine is a special one for a specific task that ...