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 easy is to crack the following copy protection?

I am trying to copyprotect some work, which is a bootable SD card booting a linux kernel on ARM device (Raspberry pi). I am using this approach: The approach uses an initrd to mount an encrypted ...
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8 views

How can I recover files that ecryptfs seems to have lost?

I'm having a really strange problem with ecryptfs. I run openSUSE 12.3 with Gnome 3.8 and ecryptfs (as well as LUKS full-disk encryption over an LVM that contains / and /swap). I often leave my ...
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0answers
5 views

How to automatically mount 3 TrueCrypt volumes on OSX after login

As the title say I would like to automatically mount 3 volumes after logging into OSX. I saved my 3 volumes to the favorite volumes. I tried the –-auto-mount=favorites parameter from here: ...
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1answer
19 views

Is it possible to make truecrypt 100% portable by using vmware thinapp?

truecrypt and other OTFE cryptosystems require an extremely low level device driver to be running in the background for encryption/decryption operations.for this reason, one needs admin rights(atleast ...
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1answer
7 views

PGP Encryption/Decryption issue & Integrity methods

We had a process that ran for almost 3 years with no problems until last week. We tried to generate an encrypted file and it successfully made it, but on decryption, it gave us this error: It's ...
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0answers
18 views

Trigger Recoverable BitLocker Lockout

My team is about to provide our traveling colleagues with new Windows 8 laptops. Part of our security solution depends on the use of BitLocker. Every laptop will have two partitions configured like ...
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0answers
16 views

Encrypting remote laptops with Truecrypt

My current process of encrypting user laptops is to set the password for myself, create a rescue disk, test login and have user set the password to their liking. I do this while physically with the ...
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0answers
11 views

Win8 Credential Manager encryption?

Short question, the level of security in the credential manager in Win8? I know that in Win7 some passwords were stored in plain view and could easily be extracted, does this apply to Win8 aswell? Or ...
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14 views

Cascading Encryption Algorithm using mcrypt or GnuGP

I'm trying to a cascading cipher encryption algorithm to encrypt a textfile via mcrypt. I'm essentially trying to emulate the behavior of TrueCrypt, where it can cascade two or three different cipher ...
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0answers
31 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 ...
2
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1answer
61 views

Can you defrag an encrypted file system

I just encrypted my entire hard drive with truecrypt and was wondering can I still defrag it? Or will that not work anymore or break something.
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3answers
51 views

Hard Drive Encryption

I have a new HP laptop 2540p and was wondering how hard is it to encrypt the whole hard drive? Does it slow boot time? Does it make loading programs take longer? You have to enter a password at boot ...
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2answers
37 views

does encryption and disk wiping, using gutmann or dod, produce the same measure of entropy?

does using aes 256 or some other crypto algorithm produce the same degree of randomness as that when using an erasing algorithm like gutmann or dod? i mean is it possible to look at a "RAW" hdd and ...
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0answers
13 views

Gnome Disk Utility: Cannot change passphrase

Specifications: Gnome Disk Utility v.3.0.2 running on 12.04 LTS on a generic AMD64 box used to partition a HDD interfaced via SATA and create the file-system. Options defined were the following: No ...
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0answers
12 views

Automount encrypted home directory

When I made a fresh install I decided to use encrypted home directory. After sometime/updates (can't remember what was the cause) directory won't mount anymore. I want to automate this process once ...
2
votes
1answer
50 views

How to automatically mount a TrueCrypt volume on OSX after login with password/keyfile

I would like to do the following: I. After logging into my account I would like OSX to automatically mount 2 of my volumes (located on same external HDD connected via FW800) using a password or ...
0
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1answer
27 views

How is TrueCrypt in-place system drive encryption implemented?

TrueCrypt supports encrypting a system partition while operating system is running. From the docs: Note that TrueCrypt can encrypt an existing unencrypted system partition/drive in-place while ...
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0answers
35 views

MPPE-Send and Receive key derivation from MS-CHAPv2

I am trying to get the MS-MPPE-Send-key and MS-MPPE-Recv-key from the MS-CHAPv2 challenge material. I am able to follow the RFCs 2548 3078 and 3079 to the step of getting the GetNewKeyFromSHA() it is ...
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1answer
28 views

What encryption does gmail use? [closed]

With my browser I found info about the key exchange mechanisms. the public exponent, the server's public key and so on... But after getting this key symmetric encryption should go on and the data must ...
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3answers
83 views

How Unsafe is it to Log in to a Website Using Anonymous Web Proxy?

Let us say that I want to access some sites blocked by the authority for any reason what-so-ever. I understand that these sites can be accessed, sometimes with limited functionality, using anonymous ...
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3answers
118 views

Crashplan + TrueCrypt - Overkill?

Crashplan already has an option to encrypt the data. And if selected, this stores the encrypted file on the server. Truecrypt certainly has lot more options, but for basic usage, wouldn't ...
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2answers
62 views

Is it possible to associate a secondary email address with an existing *public* key?

For example, if I have a friend's public key that's associated with, say, email address john@domain.com, but I want to send him a message at john@other.net, is there a sensible way to do this? Is ...
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0answers
43 views

Encrypting a multi-boot USB drive

Goal: Full encryption of a multi-boot USB drive containing boot CDs and confidential information Problem: I have been experimenting with XBoot (https://sites.google.com/site/shamurxboot/download) ...
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136 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 ...
1
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1answer
56 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
37 views

Preserve encryption identity/key moving Windows Media Center to new install of Windows 7

My computer is Windows 7 Home Premium x64 with Media Center and a pre-installed TV-Tuner card. I have a collection of movies and tv programs that I have recorded using Media Center. As I understand ...
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1answer
38 views

Digital Certificate (Signature) Verification in Software Installation

I need to know what exactly happens during digital certificate (signature) verification when a software is installed by the operating system. I understand that this is a asymmetric key process and I ...
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0answers
43 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 ...
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2answers
44 views

Is Firefox master password necessary when using Full disk encryption?

Does Firefox master password add anything to a full encrypted disk ? As I understand it, Firefox master password is here to protect again passive attacks, ie when firefox is not running, or at least ...
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0answers
28 views

Recover data from Formatted & Encrypted Hard Disk with Bitlocker [duplicate]

I have a hard disk with 1.5 TB capacity. I don't care about the music or the movies that take up most of space, but I had some very important files on it. I had split my drive into two partitions: 1 ...
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1answer
38 views

Is it possible to decrypt multiple truecrypt drives at FDE boot?

I have a Windows 7 Machine with the OS disk using TrueCrypt full disk encryption. I've got an additional 4 other drives plugged into the same machine for storage (Via SATA storage) that I would like ...
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1answer
26 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
39 views

Encrypt a virtual hard disk on Windows 7 Home Premium?

I have a virtual hard disk file (*.VHD) and as Windows 7 Home Premium user, I don't have BitLocker to encrypt this hard disk. So is there any alternative way for me to do so?
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40 views

Open an .EPM file on a Mac

I have an a CD from work encrypted with Check Point End Point encryption software for windows. If I was trying to open this on a Windows computer I would just open the included .exe file on the CD and ...
0
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2answers
75 views

Force OSX text field to accept copy-paste

Short version: Is there a way to force text field in OSX to accept pasting a string, despite that the developer (Apple) set it to not to accept copy-paste? Long story: Platform: OS X 10.8.2 ...
0
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1answer
17 views

How to easily encrypt a directory on backup USB on Ubuntu?

I have an unencrypted USB stick that I don't want encrypted. However, I want to save some data in a folder encrypted on that particular USB, in a way that will allow me to decrypt it again on ...
2
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3answers
64 views

How do I create an auto-growing encrypted folder on linux?

I would like to create an encrypted folder on my ext4-data partition, where I can move some secret data into. how do I create such a folder? The drive is already more than half full, so is there a ...
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1answer
36 views

Free replacement for PGP Desktop

A few years ago I used to use PGP Desktop unfortunately Symantec bought this excellent program and now wants a lot of money for Symantec Encryption Desktop Professional. Does anybody know of a free ...
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0answers
111 views

How to remove password of a password-protected PRC?

I know the password, I just want to remove it. Mobidedrm couldn't do this (it can remove DRM from files that are not password-protected only though). any idea? Sample file on DropBox passwd of ...
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1answer
81 views

How to format an encrypted harddrive using Linux?

I`m not very experienced with Linux, however, there are a lot of inforamtion around, so I can usually learn what I need. I never understood, however, what "mounting" means in Linux. While using ...
4
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1answer
93 views

How does Truecrypt know it has the correct password?

I wasn't sure whether to ask this on stackoverflow or superuser. In the truecrypt documentation, it says that a truecrypt container is indistinguishable from random data. My question is, how does ...
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0answers
23 views

Running iptables on Planetlab?

I am trying to run tcpcrypt (www.tcpcrypt.org) on PlanetLab. The tcpcrypt uses iptables to install firewall rules. But when I run the launch script or run the iptables command I receive the following ...
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1answer
47 views

SSH rejects RSA passphrase for keys created with GPG/Enigmail [duplicate]

Last year I created an 4096 bit RSA key pair with GPG / Enigmail in Thunderbird. Enigmail lists me a primary key used to sign and authenticate e-mails, and a subkey used to encrypt e-mails. I exported ...
5
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1answer
211 views

How to use ssh-rsa public key to encrypt a text?

So, the scenario is: Given I'm Bob, I want to encrypt some message for Alice. The only public key I have is her ssh-rsa id_rsa.pub like this: ssh-rsa ...
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1answer
36 views

Is ecryptfs-setup-swap persistent?

I have what I think is a quick question: Is running ecryptfs-setup-swap on a system that didn't have home-directory or swap encryption enabled when it was installed persistent? The man page at ...
0
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2answers
48 views

encrypt and hide packets in open network

I'm looking for a way to encrypt and hide my network traffic when connected to open networks such as universities, cafés, etc. I know I could use a VPN to encrypt the packets, but someone monitoring ...
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2answers
160 views

How can I encrypt a read-only adobe acrobat file?

My brokerage kindly decided to mark my account statement as read-only for my benefit. But, now when I open the statement in Acrobat Pro X in Windows 7, the Encrypt option is grayed out. How can I make ...
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0answers
26 views

Sharing data online with version control, encryption and email notification [closed]

I want to share some documents on an online server with some colleagues. The solution should have the following features: Data should be encrypted (at best locally before pushing it to the server) ...
0
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0answers
42 views

Can't access hard drive from my broken laptop

My laptop just broke, it just powers up but doesn't do the bios post. I removed my hard drive from it, which is in perfect health and with data on it, and, with a password set from my Acer laptop ...
0
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1answer
112 views

OpenSSL and what encryption method to use

I am on OS X 10.8.3, savvy with a command-line and I want to use OpenSSL to start encrypting sensitive information on my MacBook Pro I know that I can use openSSL in a syntax like: openssl enc ...

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