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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How to tell which parts of a binary file are changing

Is there a tool I can see to see which parts of the file are being modified? I've seen tools that show me which segments of my hard drive are being accessed, but I want something similar for a single ...
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496 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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63 views

Lost luks password, encrypted partition open

Here is the deal. I have a small office email server that I manage and it needs an update, but the owner took it upon himself to go through cleaning the server room and all my notes got tossed (he, ...
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59 views

Stolen Windows 8 Toshiba P855-5102 - Bitlocker enabled?

One of my users had his laptop stolen last weekend. I am trying to validate that the hard drive was encrypted. Unfortunately, I cannot find the Recovery Key for this particular machine. My ...
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63 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 ...
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43 views

Emacs Gnus email decrypt smime without openssl

I use gnus for my email. Every once in a while, I receive an encrypted email; when I answer "yes" to Gnus offer to decrypt it, it responds smime-verify-region: No CA configured. Now, my workplace ...
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207 views

mounting and accessing Encrypted LVM after reinstallation of Linux

I had Fedora installed on a LVM & had my /home & another file systems in it encrypted. ( i remember the passwords but forgot the cipher protocol used ) Now, I installed Ubuntu without ...
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1answer
195 views

Group policy error when adding BitLocker password using manage-bde

I am trying to add a password for BitLocker using manage-mde. manage-bde -protectors -add c: -password And receive the following error. ERROR: An error occurred (code 0x8031006a): Group Policy ...
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125 views

Bitlocker disk encryption without admin override

I am a somewhat paranoid CTO exec that just received a Microsoft Surface with Windows 8.1 and I would like to enable disk encryption to protect my information. I know that bitlocker can be enabled to ...
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2answers
654 views

Is it better to use Bitlocker or the built-in-drive-encryption that my ssd offers?

System: Intel i7 4790 ( has AES-NI function ) ASUS Z97-PRO mobo Samsung 250GB EVO ssd ( with built in encryption option ) Windows 7 x64 If i just want to encypt my boot drive with AES256 or ...
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23 views

Does software-based OTFE cripple SSD performance without CPU AES?

Sorry for the alphabet soup. I want to use software-based on-the-fly AES file encryption I will not use full disk encryption (only file and partition). This would be on an older Core 2 system, so ...
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44 views

questions about data/encryption of a linux directory

i have a directory full of sensitive data and want to encrypt this directory to protect against outside attackers. i still want to be able to read from the directory and display this data onto a ...
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1answer
30 views

questions about data/encryption of a linux directory

i have a directory full of sensitive data and want to encrypt this directory to protect against outside attackers. i still want to be able to read from the directory and display this data onto a ...
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0answers
3k views

Open source alternative to Truecrypt? [closed]

I was using Truecrypt to encrypt by work file backup (on Windows 7). Now suddenly it's gone. Is there any other opensource encryption software for free? What are the existing Truecrypt users ...
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2answers
38 views

Encrypting Windows Storage Space

I use Storage Spaces for a RAID 5 in Windows 8.1. I use Truecrypt for the drive my OS is on. I use my RAID to store things like my desktop and other things that need to be available on boot. Is there ...
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78 views

Is there a way to revoke a GPG encryption key?

OK, so as I understand it, the key revocation mechanism is used to revoke a signing key in your web of trust: so you say to other GPG users that your previously-used identity has been compromised, and ...
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1answer
315 views

OpenSSL 3DES encrytion parameters

Suppose that I want to encrypt a Text with TripleDES algorithm in CBC cipher, I have two choice. 1- An online tool, Like this 2- OpenSSL tool. In the Online tool, I enter the Text, the KEY, and ...
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49 views

Sync between machines

How can I set backup from machine A to machine B (via WAN), but have the files in destination B encrypted in some level (password per folder\file)? Is there any solution (free or not) to backing up ...
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63 views

Xcode 5 Case-Sensitive .plist files

I am using Urban Airship in my iOS xcode application and have my AirShip.config file and would like to encrypt it so users cannot see it because it contains my app and secret key.... If you open the ...
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1answer
76 views

How Do You Recover An Encrypted Partition?

I was reformatting one of my extra hard drives with Windows DiskPart and accidentally selected the wrong hard drive. I used the clean command, but it wasn't long before I realized I cleaned the ...
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1answer
73 views

Disable DRM in Evince

Is it possible to disable DRM (digital rights management) for PDF files in "Evince" so that encrypted PDF files can be saved? How do you make this configuration? The option does not seem to be ...
1
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1answer
152 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
42 views

Encrypted files after resetting windows password

I have some encrypted files in windows and the user account is protected by a password which can be easily bypassed by many tools and methods. So what will happen to these encrypted files? Will ...
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1answer
43 views

Is auto-logon on laptop with encrypted hard drive secure? [closed]

I have the complete hdd of my laptop encrypted (with the Windows built-in Bitlocker) and thus have to login two times upon booting (Bitlocker and user account). Since I'm the only person using the ...
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27 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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1answer
341 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
43 views

Speed issues when encrypting large file with mcrypt or alternatives

I want to encrypt a 100 GB file on my up to date iMac. It is hard to find out where the temp file is, so I can't find out the progress, but the encryption is already taking a full day. Is this normal? ...
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100 views

why is rdiff-backup not compatible with encfs ---reverse

I'm trying to use encfs with rdiff-backup to ensure that my backups to a remote server are encrypted. The easiest way to do this would be to use encfs --reverse - which means encfs will create a ...
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269 views

Bitlocker with 2 SSDs in RAID 0 - Does TRIM function?

I've found that in Windows 7 and 8 if you have one of the newer versions of Intel Rapid Storage Technology the TRIM command is passed to SSDs in a RAID configuration (see here for example ...
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1answer
137 views

Truecrypt using up all the disk space during decryption

I have a large raid 5 volume in virtualbox windows server 2008 encrypted with Truecrypt, i wanted to decrypt the entire volume, and so i clicked on permanently decrypt in Truecrypt, this went fine for ...
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32 views

How to install 2 encrypted instances of Linux Mint on the same SSD, both with different encryption passwords?

I'd like to have 2 different Mint installations on the same hard drive, each with each on set of encryption keys, so if I enter one password, it will boot on one, if I enter the other, it'll do the ...
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33 views

How to encrypt an entire Disk with full cross platform access? [duplicate]

I would like to encrypt an external USB Hard Drive in manner that allows full access (read+write) from Ubuntu trusty, Windows 8 and optionally Android and older Windows versions. With TrueCrypt ...
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47 views

Encrypt folder Windows 7 home [closed]

I used Truecrypt for encryption of my whole drive.But this solution has now two disadvantages for me: Development of Truecrypt is probably stopped and software is marked as unsafe Password ...
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1answer
199 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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122 views

Automount LUKS encrypted USB HDD with keyfile auth in Mint/Cinnammon

My external backup HDD is LUKS encrypted and can be mounted with password or key file. When plugged in, Cinnammon asks me for a password and mounts it to /media/user/drivename. I want to change ...
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1answer
504 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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74 views

Linux Has Become Very Slow Dealing With Large Data

Last year I bought a computer, for around $1,800, so it is relatively high-end. When I first got it I was particularly pleased at how quick it dealt with large MySQL queries, imports and exports. But ...
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39 views

What is the default symmetric algorithm for encrypting the secret key in GnuPG 1.4.11?

When generating a GPG key, you are asked for a pass-phrase that will correspond to the private key (or keys to be exact). My question is what is the default crypto algorithm for encrypting your key ...
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1answer
100 views

Encryption on SDD without encryption support

I have a SanDisk Extreme II SSD. Despite using Marvell 88SS9187 controller, the drive does not support hardware encryption of any kind. I read around a bit and found that most software does encryption ...
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1answer
48 views

Canceling File Encryption Windows 7

I was trying to encrypt a single file, large file container of 100GB. I clicked on the Properties --> Advanced --> Encrypt contents to secure data. However, realizing that this would not allow for ...
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38 views

View hidden contents of usb device

I have a USB with the following contents on ls -lah total 8.0K drwx------ 1 srikanth srikanth 4.0K May 27 22:54 . drwxr-xr-x 4 root root 4.0K May 28 19:37 .. -rw------- 2 srikanth srikanth ...
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1answer
168 views

Truecrypt Drive appears empty?

I have a 2TB storage drive which I have been using with full-volume encryption via Truecrypt. Truecrypt normally attempts to mount the drive at login, and I simply enter the pw, and the new volume ...
0
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1answer
61 views

Ubuntu Full Disk Encryption unlocked via TFTP/NFS?

I'm setting up some secure Ubuntu servers with full disk encryption. They have a small boot partition, and a large LUKS-encrypted disk with LVM to provide the rest of the partitions. Currently, they ...
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1answer
632 views

How to use PGP private key with K-9 Mail on Android 4.x

Where do I copy which file from my OpenPGP installation on Ubuntu 14.04 on my Android 4.0 device to be able to import it into APG which is the en-/decryption provider I use in the K-9 Mail client?
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668 views

Intel Rapid Start Technology Incompatible with Whole-Disk Encryption?

I have a brand new Dell XPS 15 laptop, and I'm getting the following message popping up from time to time. Searching around, I see that Windows 8.1 is supposed to have whole disk encryption enabled ...
5
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1answer
459 views

Programmatically determining who signed a file

I want to programmatically determine who has signed a GPG clear sign file. Running gpg --verify will tell me this, but it does so in a human-readable format. Is it possible to get this result in a ...
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2answers
418 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 ...
0
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1answer
45 views

Need to decrypt KeePass database on Linux

I was finally getting to switching my new laptop from Windows 8 over to Linux. I had only one important file on that I needed to keep, and that was my dogecoin wallet file. It had a really weird ...
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2answers
1k views

Cannot convert ssh.com key to ppk format using Puttygen

I am having issues converting a private key from ssh.com format to putty format. Upon importing of the private key, I am met with the following error. Couldn't load private key (key does not begin ...
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2answers
90 views

Full disk encryption configuration

I'm buying a new Windows computer and I want to configure it to be secure. I want to use full disk encryption. My question is will my SSD work on a different computer in case my computer breaks. Also, ...