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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Multi Encrypted Operating Systems with TrueCrypt

My laptop has a 250GB hard drive, and I currently use it to do a lot. I have Windows 7, Ubuntu 11.10, and BackTrack 5 on it, but I'd like to switch it up and add more security. What I aim to do is ...
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50 views

How are encrypted Word documents stored?

I know that Microsoft Office files are basically just ZIP archives with a different file extension that contain XML files. However, when you select the "Encrypt with a password" option how are they ...
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974 views

What happens if a crash happens while an encrypted volume is mounted?

I am using an encrypted truecrypt volume, operating out of word files stored on there. I would like to know what would happen if the computer crashes while the encrypted volume is mounted? Will it be ...
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1answer
915 views

Can I run a private Bittorrent Sync central server that replicates data but does not decrypt it?

Bittorrent just announced Bittorrent Sync, which as I understand it is a pure P2P sync solution without a central server that stores your data: Instead, all nodes in the network replicate amongst ...
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1answer
103 views

Dual boot and disk encryption

I need to dual boot these: Unencrypted Windows 7 partition Encrypted Linux partition (/ and /home) I was thinking to erase the entire disk then: Install Windows 7 then install a linux distribution ...
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202 views

Does eCryptfs prefetch and/or buffer data?

I have been experimenting with using eCryptfs as the underlying file system for MySQL data to mimic transparent data encryption for MySQL. I ran some tests to measure the overhead of decryption when ...
2
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1answer
323 views

Suggestions? Password & Encrypted Read/Write File like a Mac (.dmg or .SparseBundle) also R/W on Windows, Ubuntu

For years I have used .dmg or .sparsebundle (Encrypted and Password Protected) to safely keep home directory backups on my Mac. Now, I am looking for a similar Full Permissions/Read/Write that ...
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1answer
948 views

Truecrypt files corrupted after moving PC into another case

I recently bought a new PC case and transferred all of my PC hardware into it. The only hardware modification was the addition of two identical ram modules. The entire process went smoothly, and ...
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35 views

How can I determine what encryption algorithm someone used if I have their PGP Key ID and Fingerprint?

I just learned how to lookup a user's info on pgp.mit.edu. Is there some way to determine what algorithm the user is using?
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63 views

Is my data gone after unplugging my external hard drive while formatting with TrueCrypt?

I unplugged my external hard drive while it was being formatted 30 seconds in, using TrueCrypt's Volume Creation Wizard. I unplugged the external while it was actively being formatted because I ...
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62 views

Truecrypt Rescue disk unique for each system?

I want to decrypt an external USB harddrive wich I have encrypted using Truecrypt system encryption. I want to use a laptop for this which harddrive is also system encrypted using Truecrypt. Both are ...
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1answer
48 views

Recover EFS Certificatate Dead MoBo

I created an encrypted file with Windows 7 32-bit on a NAS (mybooklive) and backed the file (not the certificate) up locally to the computer's hard drive. The original Win7 computer had a motherboard ...
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126 views

Transparent Linux FS (FUSE or similar) that presents encrypted virtual files from unencrypted physical files?

I have this unlimited online backup solution, which has very few good things to say about it apart from it being free. For instance, though it claims to offer encryption, this seems not to be the ...
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1answer
200 views

In Mutt, how to extract key from a S/MIME signed message to reply encrypted?

I have a certificate signed message in my inbox. The public certificate of the sender should be available there. How do I extract and use it to send back an encrypted message? Note: I configured GPG ...
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1answer
630 views

How can I find out what is changing my wireless encryption from AES to TKIP automatically?

I have a wireless connection using WPA2-Personal as the security type, and I've set the Encryption type to TKIP. However, without my intervention, the encryption type will change from TKIP to AES, and ...
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1answer
47 views

If I move an encrypted file from NTFS to HFS will the encryption be removed?

Trying to move encrypted files from one File System to another, assume equal credentials. I understand that since FS such as FAT do not support encryption the encryption would be dropped upon file ...
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457 views

Openssl decrypt from encrypted text from command issue

I am using following command to decrypt an base64 string. openssl enc -in ciphertext -out binarytext -d -a openssl rsautl -decrypt -in binarytext -out plaintext -inkey private.pem I am facing an ...
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307 views

Apple HTTP Live Streaming PKCS 7 encrypted stream

M3U8 streams can be encrypted using AES-128 with or without IV, as described here: http://tools.ietf.org/html/draft-pantos-http-live-streaming-07#section-3.3.4. Now I have a stream that is apparently ...
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1answer
47 views

Booting an encrypted system from a flash drive without user interaction

I have an unused desktop that I'm planning on turning to a household server running (hopefully) Arch Linux. I know that I can fully encrypt the system and have to enter a password upon each boot but I ...
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1answer
2k views

Turn off write cache on all USB External Drives (Debian / Ubuntu / Linux)

How do you turn off write cache permanently for external USB drives in Linux (I'm using Ubuntu)? I've tried: Command line method : hdparm -W0 /dev/sdb <---- that works but only for the current ...
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1answer
544 views

Installing Debian on existing encrypted lvm

I have a dual-boot machine, where I already set up Ubuntu in an encrypted lvm. I want to use the same lvm for Crunchbang (a debian derivative), since I designed that lvm with two root-Volumes, a ...
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1answer
29 views

Is it possible to store Hashed data in a different field than userPassword in LDAP

I've been asked to store hashed data in a LDAP server. Putting hashed passwords is easy but I'm not sure if LDAP allows to store data like email hashed or even encrypted. Creating a LDIF file with a ...
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220 views

How do I make an encrypted disk image on Debian?

I'm basically looking for an equivalent to OS X's encrypted sparsebundles. The solution should have support for file ACLs and should not force me to specify a size in the beginning (the image should ...
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1answer
1k views

CoreStore Encryption Error on Mac Lion

I am trying to encrypt an external drive using diskutil CoreStorage on Mac Lion 10.7.4. I thought the only requirements were that the drive have GUID partition scheme and Journaled HFS+ file system. ...
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241 views

Use of multiple keyfiles for TrueCrypt

As mentioned in documentation, TrueCrypt would use first 1024 kilobytes of any large file to create SHA-512 Hash which will be combined with password to get the final hash. E.g. ...
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1k views

How to access encrypted external hard drive on Windows 7 Home Premium?

I encrypted my external hard drive using Linux Mint (Ubuntu) and password protected it. Now I can't access it on Windows 7 as it gives errors and won't mount. Is there a software that will allow me to ...
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334 views

Truecrypt password prompt

Am trying to get it so that when I click on an encrypted file, a truecrypt password prompt appears and then upon entering correct password, windows explorer opens the newly mounted volume so that I ...
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1answer
85 views

Encrypted email archive with encryption on client, not server

Even though most of my email is coming in un-encrypted, I want to store it on a server somewhere in encrypted form. Is there any solution available that encrypts on the client so that a compromised ...
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1answer
859 views

How do I open a BioExcess vmdf file in Ubuntu?

I am using Windows 7 along with Ubuntu 11.10 with a Lenovo B560. In windows I have BioExcess software which is provided with the operation system. BioExcess provides the facility of keeping all ...
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433 views

Encrypting using DES 64-bit with openssl

I'm trying to do a very simple thing, namely using a 64-bit password and a 64-bit plaintext (both in hex) and encrypt it with simple old DES. my script looks like this: plaintext=`echo -n "$2" | sed ...
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1answer
224 views

Using aspnet_regiis in production server

I want to use aspnet_regiis to encrypt sections of my web.config in production environment. As per my understanding one need .NET command prompt to run the command to encrypt. How can we achieve this ...
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49 views

Can files deleted on an ecnrypted drive be restored?

There are ways to restore files, deleted from the system by default, I'm not sure about the way they work but I guess thet read content, that has not been overwritten. On the other hand, there are ...
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21 views

Fully secured gateway web sites

Are there any web sites that serve as gateways for fully encrypted communication? I mean sites with which I can open a secured session, and then to exchange through them with other sites in a secure ...
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173 views

Loopback mountable encryption for an existing partition image

Is there a way to encrypt an existing filesystem in a file that is mountable via loopback? I thought I had a simple plan for moving from an old notebook to a new one, but actually something does not ...
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1answer
1k views

LUKS-Encrypted Root Partition in Ubuntu 9.04

I have a LUKS-encrypted root partition that I have installed Ubuntu 9.04 to. I have of course placed /boot on a separate ext2 partition, and my boot loader loads and functions correctly. However, I ...
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1answer
12 views

Importing GPG Key

I am trying to import a GPG key to verify a download. I have never done this before, so bare with me. The Key ID is 4203454C. Let me know if you need any more information. What is the process for GPG ...
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1answer
19 views

Do the Bitlocker Keys Clear from Physical Memory after Shutdown?

It is claimed that Passware Kit Forensic can recover passwords or keys of drives encrypted by Bitlocker. This needs an image of the encrypted drive plus a so-called Physical Memory image of the target ...
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1answer
48 views

Standard ICA Encryption Levels (XenDesktop)

Trying to determine if there is a default ICA posture for encryption, out of the box so to speak. With XenDesktop in mind, I have always thought that the encryption level is defined at the ...
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1answer
28 views

Security of Microsoft Windows, Windows on a network, and network backup?

I recently got a laptop to accompany my desktop, and to manage files across them I am considering backing the laptop up to the desktop over a network, and then backing up the desktop in turn to an ...
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33 views

How to encrypt the mail in unix?

I want to encrypt the mail as that will be containing the confidential information. There are no attachments. Please help in providing the steps to encrypt the mail. I have got the reference of How ...
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1answer
139 views

fglrx drivers cause blank luks encryption password screen on boot, on Linux Mint Petra 16

I recently did a new install of Linux Mint 16 Petra on my main desktop, and used the full disk encryption option from the installer. The installation went smoothly, and the encryption password prompt ...
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1answer
32 views

RDP ceases due to encryption error, but only over wifi

So I'm trying to figure out some problems I'm having with RDP. It fails repeatedly over wifi due with the message "Because of an error in data encryption, this session will end" It does not do ...
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1answer
237 views

Is it possible to have low level encryption on the disks of a Synology Disk Station DS213J (NAS)?

I know I can encrypt shared folders, but unfortunately not the home/homes folder. All I want is that if my NAS is stolen than all data is unusable. I don't need to have different encryption for each ...
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1answer
27 views

pgp semaphores management on linux

I've an issue with pgp semaphores management. As far as I see pgp (version 6.5.8) creates 4 semaphores while starting to encrypt the file but only 2 of them are then destroyed at the end. To ...
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21 views

Client files need encryption

I store client files in my office computers and the staff need to have access to these files. The client files have to be kept completely confidential due to personal data. So far, I have used ...
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1answer
35 views

D-link router interupting Internet connection

This message appeared on a wireless connected PC, then on the host Mac computer: Authentication Required A user name and password are being requested by .... The site says: RE1000 Was ...
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1answer
52 views

Do any one way encryption schemes exist?

I want to use services such as Boxcryptor and Spideroak, but I don't trust the clients not to send the key to the NSA. Is there any way I can provide a key that cannot be used for decryption? I ...
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130 views

Truecrypt file containers suddenly empty

I have multiple truecrypt file containers on my Google Drive. They all contain lots of files and folders that has worked well over the last 18 months. Today I reinstalled my PC and went from Windows ...
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After mounting container as drive in Truecrypt , Windows says drive is not formatted

I created a container using truecrypt long time back , and I used to mount it whenever I needed , until one day I decided to format my laptop. So I took backup of the file container to a USB drive. ...
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55 views

if removing BIOS from Lenovo G77 laptop, how does is it with the truecript installed

I have have a BIOS password, windows password and truecript on my laptop. Just wondered if the BIOS was reset by removing the CMOS battery, would it then be possible to bypass the windows password ...