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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What files from the /boot partition, in addition to the MBR, must be hashed in order to detect an “evil maid” attack against LUKS-encrypted Linux?

Are boot.img, initrd, and vmlinuz adequate or should the entire contents be hashed? I am not familiar enough with the Linux boot process to answer this with confidence myself.
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178 views

Does TrueCrypt work on systems where the user data has been moved to a seperate disk from the OS?

I have a desktop computer with a small SSD and a large hard drive... as a result, I have installed my windows OS on the SSD but have moved all user data and programs to the hard drive except for ...
4
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1answer
882 views

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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1answer
51 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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1answer
1k 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
86 views

How is LUKS dm-crypt secure if the key is stored with the encrypted data?

I'm not a an expert in cryptography, but I've read the project's faqs. How is LUKS dm-crypt secure if the key is stored with the encrypted data? To me, this seems like hanging a door key on the door ...
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1answer
1k 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 ...
2
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1answer
111 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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1answer
230 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
380 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
997 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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1answer
146 views

Bitlocker: hardware or software encryption without a TPM?

I'm about to setup a Samsung 840 EVO SSD as the system drive with Windows 8.1 Pro, attached to an Asus P8Z68-V Pro mobo (which doesn't have a TPM). I'll also attach a Western Digital Black HDD for ...
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1answer
20 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
62 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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1answer
106 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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1answer
269 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
54 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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1answer
161 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
252 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
781 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
49 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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1answer
595 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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389 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
50 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
634 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
31 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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1answer
246 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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251 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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1answer
377 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
88 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
918 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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460 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
246 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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1answer
50 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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22 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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1answer
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
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TrueCrypt encrypted volume became mountable?

I have a TrueCrypt-encrypted volume as an external USB drive used with my OSX tower. Usually when plugging in the drive, the OS gives a popup indicating it recognizes the drive that was inserted does ...
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1answer
48 views

Permanently decrypt TrueCrypt SYSTEM drive mounted on a second computer?

I need to permanently decrypt a TrueCrypt SYSTEM drive that is mounted on a second system. The System [menu] --> Permanently decrypt system drive/partition option does not work as the drive's Windows ...
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1answer
56 views

Encrypting GPT Windows 8.1 on a multi boot system?

I have setup LVM on LUKS for my Linux partitons which I am very happy with but I would also like to encrypt Windows 8.1. I had planned to use TrueCrypt until I learned it does not support GPT. I would ...
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1answer
58 views

Paused BitLocker encryption because no longer want to encrypt the hard drive - how do I get out of encrypting?

I'm hoping someone can help. I'm not a techy and can't seem to find the same question already answered. I went to encrypt (using BitLocker) a Buffalo hard drive but after it took about 1 min to ...
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1answer
44 views

Errors generating gpg keypair

I posted this originally on stackoverflow, but was told that it was offtopic and this would be the better place to post it, so I am reposting it here and deleting my original topic. I have a rather ...
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304 views

Encrypted File is corrupted when uploaded to server via HTTP Post

i am making an application which has a function that it encrypt file and then upload it to the server via HTTP POST. I tried it and it works fine when i test it on localhost (Local Server on my same ...
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32 views

How secure is data on an external drive protected with Windows 7 BitLocker?

Just curious, say, not considering the strength of my password (let's assume it's very strong, something like "j*ds73hSoe93%KE4") how secure is my data on an external drive that is protected with a ...
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Workaround to get “McAffe Email Encryption” to just send me an email?

My local city government uses "McAffe Email Encryption". It's not a simple click-to-verify or a greylist or a CAPTCHA. After sending an email requiring a simple response I get an email to sign up for ...
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305 views

Seeking Windows hardware encryption card for drive encryption

I am seeking a hardware encryption card for accelerating drive encryption on an older system that I am trying to repurpose as a NAS. I have a dual-processor AMD Athlon MP 2800+ system with a 12-port ...
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Full Disk Encryption of Linux Mint and Windows 7 (with Bitlocker) (Dual Boot)

I own a 500 GB HD with 2 operating systems installed, Windows 7 and Linux Mint and I want to encrypt all systems, see more details of how it currently is, to better understand the situation. First, ...
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Complexity of passphrase for GPG file encryption

I am going to use GPG with symmetric encryption to encrypt my files. Now I couldn't find answer to this question. I need to select passphrase, so what kind of passphrase should I select? Should I ...