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 there an AES 256 LUKS encryption option in Fedora?

it was suggested that my post (http://security.stackexchange.com/questions/73140/is-there-an-aes-256-luks-encryption-option-in-fedora?noredirect=1#comment120019_73140) would be better if I asked it ...
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53 views

Is there an AES 256 LUKS encryption option in Fedora? [closed]

I have certain information on my drive that I don't want anyone (not even me ;) ) to gain access to. I read recently that Fedora only offers EAS 256 LUKS encryption. This just isn't secure enough ...
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1answer
71 views

How to demonstrate disk encryption?

I'm having security classes and in one of the works I need to create a fictitious Company and demonstrate one security tool/improvement. I've chose to encrypt one Windows VM with TrueCrypt (AES) and ...
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1answer
128 views

how to strip a subkey from a gpg key?

I am trying to remove the subkey from my OpenPGP key. Here is the current state: gpg> uid 1 pub 3072R/C08D1F4B created: 2014-01-05 expires: never usage: SCEA trust: ...
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1answer
38 views

Enforce encryption in Outlook 2010 for specific E-Mail addresses

There is a specific E-Mail address which I have to send data always encrypted and signed. I already configured everything, such that the E-Mails get encrypted and signed, but I often forget to turn on ...
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1answer
79 views

pgp: using subkey to sign, but should I publicize the fingerprints of both my master key and subkey?

I used gpg to create a key pair. I understand that a master key for signing only and a sub key for encryption only are generated. Following the Debian Wiki, I created a sub key for signing for better ...
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1answer
94 views

GPG Symmetric Encryption: No Secret Key

Using gpg 2.0.22 I do the following as user A: A@~: touch tmp A@~: gpg -c --cipher-algo AES256 tmp A@~: chmod 777 tmp.gpg A@~: su -l root -c 'mv tmp.gpg /' Then, as user B: B@~: gpg /tmp.gpg Now ...
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1answer
98 views

Import public key (plain text) into Outlook 2010

I have a public key: -----BEGIN PGP PUBLIC KEY BLOCK----- ... -----END PGP PUBLIC KEY BLOCK----- Is there any possibility to use this public key in Outlook 2010, without any add-ins? I know about ...
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221 views

DiskCryptor error 20. Can it be fixed or there is the need to change the encryption software?

DiskCryptor is giving me the error: Not enough space after partitions to install bootloader. Install bootloader to first HDD track? Then, after clicking YES, I get Error code: 20 then ...
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2answers
370 views

Unlock External HD after locker has been deleted

I used lockMyDrive software in order to lock my external hard drive. The software locates the interface, where the user should insert the password, in the external hard drive itself. Everything was ...
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3answers
45 views

How is TLS enforced on the receiving client of an email

I am writing an application that must send encrypted email to recipients. The state agency I work for recently installed a feature for outgoing email. If #secure# appears anywhere in the subject, the ...
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26 views

Locking Arch Linux with keyfile on USB

I'm currently preparing to install reinstall Arch Linux on my HDD and was going to encrypt the whole disk and then I saw this https://wiki.archlinux.org/index.php/Dm-crypt/Device_encryption#Keyfiles ...
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1answer
150 views

Verify that connection to Cygwin SFTP Server is encrypted

I must ensure that my flow is encrypted. I am on a Windows machine and I have installed a SFTP server via Cygwin.. I am using WinSCP as client. And I am developing another client in C#. Everything ...
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2answers
72 views

Encrypt data flows via SFTP protocol

I have a problem and I am neither a system engineer nor an expert about certificates. I have to transfer some file from a client to a SFTP server via SFTP protocol. I have installed a SFTP server on ...
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1answer
66 views

Putty - how to tell which encryption algorithm is actually being used

I know how to configure which algorithms I'm willing to use. But the actual algorithm used is based on negotiation between putty and the server. So how do I tell which algorithm is actually being ...
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0answers
112 views

Enable AES encryption via ATA password on Samsung Evo 840 with data already on the drive?

Does the Evo 840 support changing the AES key (more or less) on the fly (in my case from "no key" to "my key")? I don't mind if it takes an hour to encipher the data as long as I don't have to ...
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43 views

How can I safely store my home directory on a cloud storage drive?

Here's what I want: All contents of my /home directory synched to a cloud storage drive. Seamless access: I want to use my home directory as normal, and for it to automatically be synched to the ...
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1answer
619 views

Unlock locked drive with Bitlocker using Password?

I have a Bitlocker encrypted drive and when I encrypted the drive, I saved the Recovery Key to my USB. Then I changed my system windows from 8.1 to 7 (because of some reasons) and suddenly lost my ...
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18 views

Just how fast is VIA's Padlock?

CPU manufacturer VIA has added AES acceleration to their C7 line of CPUs (I suppose Intel/AMD have with their newer CPUs as well). I'm wanting to build a matched pair of routers connected over a ...
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1answer
218 views

Cryptolocker: Derive Key Mathematically From A Decrypted Copy of a File?

Would it be possible to derive the key, if you have a decrypted version of a file, let's say this file, as an example: "C:\Windows\ehome\en-US\epgtos.txt" Or do cryptolocker and it's class of virus ...
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2answers
205 views

How can I encrypt plain text with a password on Linux?

http://www.unreadable.de/ takes a plaintext message + password input and encrypts the plaintext. I want to do this locally on Linux. Is there a one-line command that will compute an encrypted version ...
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2answers
40 views

Receive files securely over the Internet [closed]

Presently, I receive e-mail attachments from many different senders. Due to the contents of the file attachments, I want them to be protected (i.e. encrypted) while in transit to me. How can the ...
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0answers
25 views

Reinstalling linux without Re-Encrypting

I kinda crashed my system today by apt-get removing sensitive libraries with dependencies (for example pre-installed gnome-core and iceweasel were removed too)... I could successfully restore most of ...
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1answer
74 views

Verify signed file using GPG by passing in signature hosted online rather than stored locally (i.e. in keyring)?

Is it possible to pass the URL of a GnuPG signature when executing a verify query against a signed file? For example, instead of: gpg --verify file.txt Is there a variation of something like: gpg ...
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1answer
2k views

OS X 10.10 Apple Mail not recognizing S/MIME certificate

After upgrading to Yosemite, Apple Mail no longer recognizes my S/MIME certificate. This was working in Mavericks. I've checked Keychain and the certificate is valid, even evaluated it as S/MIME for ...
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99 views

Establish IPSEC Tunnel between two Ubuntu 12.04 PCs over LAN

I have two ubuntu 12.04 32 Bit PCs between which I want IPSec Tunnel to be setup. I have setup ipsec in both systems and ipsec verify runs fine on both. Since I have no prior experience of openswan, I ...
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2answers
54 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
213 views

Encrypting boot SSD and data drive

I use a 120GB SSD as my boot/system drive, and I have a 1TB SSHD that I use as a data drive. Many of my applications are stored on the SSHD, and Windows does not function properly if the data drive is ...
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24 views

Why do double quotes fail in GNU Privacy Guard?

I'm having some trouble with using full paths in GNU Privacy Guard (1.4.16 on 32-bit Xubuntu 14.04). While gpg -c /home/me/my\ stuff/test.txt and gpg -c '/home/me/my stuff/test.txt' work ...
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1answer
204 views

Lenovo Ideapad U310 encrypted w/ PGP WDE can't get to BIOS or boot menu

The Lenovo U310 Touch with Windows 7 was encrypted using PGP Symantec Encryption Desktop 10.3.2. Everything seemed to work fine until I used a windows 7 repair CD to restore an older system image back ...
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59 views

Is encrypting the password legal? Not using any hash methods [closed]

I tried to login to my college social network site but I forgot my password so I clicked the "Forgot Password" link then an email has been sent. It stated in that email my username and the super duper ...
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1answer
119 views

Integrated Full Disk Encryption for laptops?

I'm interested in a hardware based full disk encryption solution for a laptop. I've never really researched them before, so I'm not sure what to expect. (This is not a shopping list question). I'm ...
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1answer
1k 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 ...
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1answer
229 views

How do I tell if mysql replication is occurring over SSL

We have a SQL server replication in place. I'm trying to ensure that the replication is occurring over secure channels. Given that MASTER_SSL_Allowed is true ("Yes"), does this suggest things are ...
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0answers
2k views

How can I use Decryptolocker to decrypt all files in a directory?

I have downloaded Decryptolocker and have the key required to decrypt files. The instructions state to use it as: Decryptolocker.exe --key "<key>" <Lockedfile.doc> How can I use it on a ...
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2answers
182 views

Should I use a gpg subkey for work (not so secure) environment?

I'm trying to use gpg to encrypt and sign messages, but I use different computers (desktop, notebook, office) so I'm not sure how to manage private keys in those environments. Should I use a copy of ...
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3answers
309 views

How to encrypt files under linux for cloud storage

How to encrypt files under linux for cloud storage I am searching for a file based encryption tool, which I can use in Linux (Mint) to store files in google drive. I really like encfs. But since die ...
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1answer
172 views

BitLocker: Encrypt all hard drives

Since TrueCrypt is gone now, I'm planning in using BitLocker to encrypt my drives. I want to encrypt all hard drives. In my computer, I have an SSD and an HDD. At best, I want to turn on the ...
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86 views

Auto-Decrypt Windows Boot Drive With Truecrypt

Can I auto-decrypt an encrypted Windows 7 boot drive with Truecrypt? Basically, I want to be able to plug a USB flash drive in and have Truecrypt automatically decrypt and boot the Windows drive with ...
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50 views

Linux - Encrypt folder (no kernel modules allowed)

I'm trying to encrypt a folder on the fly on Debian Wheezy or create an encrypted container. The problem is: My VPS provider doesn't allow kernel modules. So far I tried EncFS, eCryptFS, dm-crypt and ...
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2answers
122 views

How do I create an encrypted mountable read/write disk image under windows?

I know that in linux and osx it's easy to create a disk image that is encrypted and (given you know the key) can be mounted and you can read/write its content. Under windows there are plenty of tools ...
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1answer
40 views

How to encrypt a file non-interactively (using a stored private key)

I do not want to run something like gpg -c as it prompts me for a passphrase. I will have cron job that backs-up and encypts some files. I want to pass in a location to a private key (via arguements) ...
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1answer
910 views

Unable to send pgp key to keyserver

Trying to follow the steps in http://packaging.ubuntu.com/singlehtml/ to create a deb package for some software... I had to start by generating a GPG key $ gpg --gen-key Then upload the public ...
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869 views

How do I decrypt a .XML file if I have the password?

It's a .zip.xml file that I believe to be a spreadsheet. When I open the file in XML editor it returns the name of the file and a long gibberish string. I was given the password key for it, but I'm ...
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66 views

True crypt container issue

I had created a true crypt container in my external HDD but stupidly ticked the "compress contents to save disk space" option from file properties. Now when I attempt to mount my container with true ...
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2answers
72 views

send encrypted archive from windows machine to a mac osx user

I want to send a file to a friend by email, password encrypted. On my windows machine I used 7zip and tried zip and bzip2 together with aes 256. My friend on Mac Osx cannot open it. A window shortly ...
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1answer
110 views

Password protecting SSD drive

I have three hard drives in my computer, one SSD and two traditional hard drives. I just upgraded the SSD, the previous SSD was using TrueCrypt to encrypt it... which worked great. But this new SSD (a ...
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29 views

Html File somehow got encrypted

So my html file that i created at school somehow got encrypted. I put it on my portable hard drive and now I am unable to even open the file up. It says i don't have permission and that it is ...
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1answer
61 views

When I bitlock non operating system drive, where does windows store the bitlocker password?

I enscrypt all of my computer hard drive. To descrypt the drive, windows will need the private key. Where does windows store the private key of those drives? On operating system drive? Can I move ...
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56 views

Does bitlocker on operating system drive requires password?

I used bitlocker on all of my drive. Usually there is password. If I want to unenscrypt data I will have password. I also enscrypt operating system drive in my laptop. However, I do not remember ...