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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Encrypt files on an SD card

I have a new computer with a shiny slot for an SD card. I have brought a nice fast 32GB SD card for it and will be using that as personal back up of my important documents. What I hope to be able to ...
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2answers
1k views

How to encrypt ONLY a user's profile folder (e.g.: /User/sid) on Mac OS X Lion 10.7.2?

I wanted a way to encrypt my user folder e.g. (/User/sid/*) and have Mac OS X auto mount it based off my login credentials. Since that folder also contains profile info, I suspect it would need to be ...
4
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2answers
1k views

Should software encryption affect the “Disk data transfer rate” from Windows Experience?

My company mandates Software Encryption for all laptops. I dragged my feet because I did not want to have anything between me and my data. But I was finally pushed into it. I installed it and I am ...
4
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3answers
4k views

Decrypt files encrypted with TrueCrypt

I have a usb pen memory crypted with TrueCrypt. Is there a way to decrypt ( without TrueCrypt ) files encrypted with TrueCrypt in linux ?
4
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2answers
547 views

How to remove BUYUNLOCKCODE Ransomware

A ransomware appears to have been circulating for the past few weeks. the data files will be encrypted and a BUYUNLOCKCODE.txt ransom note will be created in all directories where a file was encrypted....
4
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1answer
2k views

What is the best way to protect e-book?

I am a writer and want to sell my ebooks on the web. But recently there are many bad buyers who remove the protection, modify the contents, and share them on the web. My related question: Is it true ...
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5answers
2k views

File-based encrypt-and-sync solution for Windows

There exists many syncing and backup solutions out there, but I have yet to find a setup that will cover ALL the following behavior: I want the ability to designate local folder B as the "encrypted ...
2
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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?
2
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1answer
753 views

Encrypting C:\Users on Windows 7

Is there a way to encrypt C:\Users on Windows 7? I've tried TrueCrypt with whole partition encryption and it doesn't work because I don't have 32kb free in my boot sector (Apple's Boot Camp I presume)...
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2answers
986 views

Using Pidgin with OTR-encryption on Linux and Windows [closed]

Please show here how to install and activate OTR ("Off-The-Record") and Pidgin to me on both: Windows and Linux.
2
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2answers
502 views

LUKS encryption with non-interactive login on RHEL6

I need to have LUKS encryption on this system but during lab development I don't want to have to enter the password at the console each reboot. I'd like a way to set a simple password that can be ...
2
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5answers
15k views

Is it possible to FORMAT an external hard disk that has been encrypted using Storagecrypt?

I lost approximately 680 GB of data on my Seagate 2TB hard drive while experimenting with a software called StorageCrypt. I used it a few months ago and today I tried it again. But, I didn't know ...
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2answers
941 views

Wake-on-LAN with encrypted drive

I've set up a Ubuntu system as a server, with the entire drive encrypted. It needs the password at bootup, after the BIOS hands over to GRUB (at least I think that's when). I've since set up Wake-on-...
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1answer
236 views

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 ...
0
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1answer
565 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 OTR-...
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4answers
442 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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2answers
1k views

if one doesn't care about protecting a gpg secret key, is it still as secure as using gpg --symmetric?

Each of Alice and Bob is using gpg just to protect his/her own personal files and not using it as a way to send encrypted text to others. Alice has generated a key (gpg --gen-key) that she uses to ...
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3answers
9k 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 ...
3
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1answer
859 views

How would I encrypt my whole Linux filesystem with Veracrypt?

I'm running Kali Dojo 2.0 and I'd like to encrypt the entire drive. I've encrypted my Windows 7 Home Premium drive with Veracrypt, and it was a simple setup and I'd like to do something similar on ...
3
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1answer
440 views

How does SSL work? Isn't there a hole?

I was reading this article, specifically the "SSL in action" part. It says: When Client connects to company.com on its SSL-secured port, the company sends back its public key (and some other ...
3
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1answer
296 views

How to use backup EFS certificate to decrypt encrypted files?

I have some files that were encrypted on a now extinct Windows 7 system. I made sure to backup my keys, this one is called efs.pfx. Double-clicking it launches the Certificate Import Wizard which ...
2
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1answer
3k views

BitLocker vs. Encrypting File System (EFS) on Windows 7

So BitLocker encrypts the entire hard drive, while EFS encrypts individual files. Is there any difference in the way that they implement the encryption? Do they both use your user account password as ...
2
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1answer
5k views

Who can decrypt EFS files?

I'm running Windows 7 Professional at home and decided to encrypt some of my files using the built-in EFS. My understanding is that only the account that encrypted the files can also read them again - ...
2
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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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5answers
378 views

Program to encrypt a file so that it is safe to email [closed]

I need to be able to email a very sensitive file. I don't want any one without a password to be able to see anything in it. Is there a free program out there that will do a really good encryption ...
2
votes
1answer
2k 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 ...
2
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1answer
2k views

Decrypt file on SD card of Samsung phone encrypted by Android 5.0

My Galaxy Note 4 does't recognize the encryption on my SD card anymore. I can't open any file. Now, since I have the password, I thought I could decrypt them myself, with Android Java or with C++ on ...
2
votes
1answer
352 views

Samsung SSD: Hardware encryption and speed

I concern about speed changes of the Samsung MZ-M5E1T0BW 850-EVO when hardware encryption/decryption is enabled. I can't find any information in the data sheets. Do you guys know if there is a (...
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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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4answers
221 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 ...
2
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1answer
736 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 disabled....
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1answer
3k views

How do I fix a cipher mismatch issue with sftp?

I'm running into an issue where a server was upgraded to RHEL 6.5, and we have automated bash scripts on an RHEL 5.9 install that connects through sftp and ssh commands. Now, the new server only ...
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1answer
315 views

How to enable SSD encryption?

I just bought a samsung evo 840, which supports encryption AES-256. Reading the very little documentation that I could find about SSD encryption, I found that I have to enter my bios, go to the ...
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1answer
113 views

There are no decryptor tools for CryptoWall, right?

Just want to make sure there is no decryptor tools (those that use leaked private keys) for the CryptoWall variation of the virus before we go and do the undoable? And are there any cases of people ...
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2answers
356 views

Cryptolocker virus removal

I am facing cryptolocker virus problem, I have tried decryptcryptolocker website but it did not work. In the below link you will find an example encrypted file in my pc. https://docs.google.com/...
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1answer
262 views

How to verify a self-encrypted drive (SED) is really encrypted?

I have a Dell Precision M3800 that is supposed to have a self-encrypted hard drive. I'm running Windows 10. In the Storage Management screen, the disk claims to be a 'LITEONIT LMT-256L9M-41 MSATA ...
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1answer
2k 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
837 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
442 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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2answers
4k views

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 ...
1
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1answer
474 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 ...
1
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1answer
792 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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1answer
493 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 ...
0
votes
1answer
323 views

OSX Automatic Unlock and Mount Encrypted User Account on Separate Partition

I am using a bootable flash drive with OSX Yosemite, a single admin account, and multiple user accounts (for testing purposes, will migrate to MacBook when I get this to work). I am trying to find a ...
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0answers
109 views

Create incremental/complete backups from a fully encrypted disk using using TrueCrypt?

I have a tricky question about whole disk encryption with TrueCrypt for which I have never found a clear answer: What method do you recommend/use for create backups from a whole disk encrypted disk ...
0
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2answers
235 views

Cannot connect with WPA2 (AES) encryption + EAP-TTLS PAP with FreeRADIUS auth

I successfully set up an enterprise Wi-Fi connection with LDAP authentication by way of FreeRADIUS. I used EAP-TTLS PAP because I have hashed passwords in my OpenLDAP directory. When I use TKIP ...
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2answers
5k views

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
790 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
3k 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 ...