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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Is filesystem encryption any good if someone steals my computer while it's on?

I'm using Ubuntu 12, and during installation I have chosen to encrypt the disk and home directory. I only introduce the disk password the first time I log in, so I guess the disk is not encrypted ...
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1answer
2k views

TrueCrypt usage: is it possible to have 1 password unlock 2 volumes?

I have been asked by a relative to encrypt both a USB pen & a Hard-disk folder. My immediate thaught was to use Truecrypt being that its free and relativly decent! My question is this: is there a ...
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1answer
312 views

Activate local logging of OTR chat sessions in Pidgin

I am Using Pidgin with OTR-encryption on Linux and Windows but those encrypted chats are not logged in my chat history. Is it possible to activate the chatlog for chats, that are done with ...
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2answers
2k views

I've lost access to my encrypted files

I have an account on Windows Server 2008 R2, which at the moment I am using as a desktop. I had certain files encrypted under a standard user account. I changed my password, and then lost power ...
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4answers
420 views

If a “forgot your password?” page emails your old password, is that definitive proof that they have stored it in plain text?

When a site emails your old password, as opposed to requiring you to reset it on the site, I'm wondering what that implies about their security measures. Does this mean that they store the password ...
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4answers
604 views

How to determine the entropy of a password

How can I tell if a password has good enough entropy to prevent brute-forcing on a realistic timescale? For example, if I have the following password, how can I determine if it is strong enough to ...
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3answers
7k views

How to decrypt Windows 7 encrypted files

I have a flash drive and on this flash drive I have a folder. In Windows explorer, I right clicked on the folder and went to properties. I then clicked the advanced button and there is a check box ...
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1answer
6k views

Windows Bitlocker and automatic unlock password storage safety

I've encrypted my external HDD with a Bitlocker and after rebooting computer I tried to open that drive and got this message: Say, if I pick to "Automatically unlock on this computer from now on", ...
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4answers
53 views

GPG public key created with GnuPG is rejected by MS Outlook 2010, why?

I created a GPG keypair with GnuPG on the CentOS 7 command line and I have exported the public key into a .asc file and successfully used that public key to encrypt emails sent from another email ...
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3answers
91 views

Is there a reason why people don't secure public hotspots? [closed]

It seems like a network is considered to be secure by OS(or at least Windows) when the network has a password. By secure, it seems to mean the data gets encrypted. Can't public places just put WPA2 ...
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1answer
604 views

How do I encrypt a folder in Windows RT?

I'm apparently unable to encrypt folders on my Surface RT. When I view the properties of a folder, and then go to the "Advanced Attributes", the option to "Encrypt contents to secure data" is ...
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2answers
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Show the encryption method used on a zip file in WinZip 9.0

I received a zip with an encrypted file inside. How do I determine which encryption method was used on it in WinZip 9.0? I've cruised all the menus and options and see no easy way to tell this ...
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1answer
2k views

If someone steals my chromebook while it's off, will him be able to see my cached data?

Does Chrome OS encrypts everything under my account? Does it save unencrypted data to the disk?
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1answer
4k views

Can TrueCrypt be configured to dismount volumes when you hibernate?

TrueCrypt can be configured to dismount volumes upon logoff but is it possible to dismount volumes when you hibernate windows?
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1answer
336 views

How do I decrypt a file with mcrypt?

I have the following: mcrypt installed a file with a .zip.nc extension a password How do I use mcrypt to decrypt the file? The man page isn't very helpful. I've tried mcrypt -k password ...
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3answers
3k views

Does compression on a TrueCrypt drive compromise the security?

I choose “Compress drive to save disc space” under drive properties.
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2answers
462 views

How can you let mutt encrypt mails in the sent-mail folder?

When i sent an encrypted mail, i was surprised that the copy in sent-mail was not encrypted. Checking with a testmail, the mail is sent encrypted, but the copy in the sent-mail folder is plain text, ...
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1answer
1k views

Is LUKS/cryptsetup's `hddname` (or `name`) simply an arbitrary label used during the session

This is a very simple question about LUKS encryption. My Fedora 15 system uses LUKS over the root, home and swap LVM partitions. To access these partitions from a boot cd, for example, its necessary ...
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1answer
459 views

Fedora15 - Help me understand how cryptsetup and LVM interact

Upgrading F11 to F15 I've decided to encrypt the disk. Anaconda appears to have limited support for custom disk partitions (mine is dual boot). The result of my second install attempt was a PV boot ...
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1answer
411 views

Security Considerations when Storing Documents with TrueCrypt in Dropbox

I am considering moving my default documents folder to Dropbox. These also contain scanned letters and important information relating to contracts, bills, and so on. I will encrypt those with True ...
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1answer
239 views

Cannot extend non-system bitlocker partition

The "Extend Volume" command is greyed out when trying to extend a Logical NTFS drive, despite there being unallocated free space to the right with nothing in the way. Is this because of Bitlocker? I ...
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2answers
47 views

Splitting a file provides some sort of encryption?

I was wondering if splitting a file with tools like HJsplit provides some sort of encryption. Imagine I split an image or a pdf in various parts, if someone manage to get just 1 or more parts, could ...
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1answer
875 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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Is OPAL eDrive (Full-Disk Encryption) composable with Intel Smart Response Techonology?

I've just ordered a Haswell laptop with a 2.5" SATA hard disk. According to the service manual it has an mSATA slot (there are also Ultrabooks where a 24GB SSD is pre-installed and pre-configured as ...
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1answer
1k views

How to encrypt dual boot windows 7 and xp (bitlocker, truecrypt combo?) on sdd (recommended?)

I would like to setup a dual boot Windows 7 and Windows XP laptop/notebook computer where each operation system's partition is fully encrypted. I would like to do this on a SSD - a 128Gb Crucial M4. ...
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618 views

Can I install fresh Linux accross partitions (LUKS & LVM) and preserve/use existing home user?

With an existing LUKS encrypted logical volume partitioned hard disk dual boot to Windoz and Linux (Fedora 15), is it necessary to "start over" with the LUKS setup when upgrading the system? I ...
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1answer
2k views

Encrypting two partitions using TrueCrypt

Is it possible to encrypt both the windows system partition and a data partition, without encrypting the whole harddisk, using truecrypt? It's because the haddisk has other partitions with Fedora ...
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1answer
634 views

Recover EFS encrypted data from non-bootable Vista x64 drive

My laptop running vista x64 experienced hardware failure. The hard drive appears undamaged, and when I connect it to my win7 desktop, I can read all the files except the EFS encrypted user folder, ...
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2answers
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How decrypt a file that encypted in other windows xp os

I format and reinstall Windows Xp to a Xp pc. But after that I realise that some important files are in green color which means that they encrypted in formatted operating system. Now I cant open the ...
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2answers
336 views

What do I need to use to encrypt my USB hard disk? [duplicate]

Possible Duplicate: How to encrypt an USB stick? I want to encrypt my USB hard disk. And I want to do it with open source software. And I want to use only password for decryption. And I ...
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4answers
7k views

Completely formatting a USB flash drive

I have a Verbatim Store 'n' Go drive which by default comes with software in a partition which password protects the drive. I want to erase this partition, as it only works on Windows (I'm having to ...