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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What happens if i move a file from a Bitlocker drive?

If I move a file from a bitlocker enabled drive/partition to a non bitlocker drive/partition what happens to the file? Does it stay encrypted but unreadable? Does encryption disappear?
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1answer
1k 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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1answer
19 views

Read-only, encrypted flash drive [closed]

Is there any hardware or software way to make a flash drive encrypted and read-only? I want to give this flash drive to someone, have them be able to open and read files, but not able to copy the file ...
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1answer
22 views

Disable extract from archive

I want to compress a file with encryption; but would also like to prevent extraction/saving of the file from archive. In other words, user can only print the file. This is for added security. ...
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3answers
438 views

Excel,word,pdf files got encrypted by ransomware

My MS Office files and pdf files has been encrypted by some ransomware in my pc which was running window XP. I removed the ransomware,formated the OS and put windows 7, but my files are still ...
2
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5answers
8k views

How resistant is BitLocker against brute force attacks on the 48 character recovery key?

I've read this TechNet blog post, but I still can't determine how secure BitLocker is against a malicious user that attempts to brute force attack the recovery password. Is anyone familiar with this? ...
2
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1answer
468 views

How will TrueCrypt work out on JBOD?

I'm thinking of setting up a file server with JBOD (just a bunch of disks). Is it possible to encrypt the entire array of concatenated disks with TrueCrypt and what happens when I need to ...
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0answers
26 views

google-drive-ocamlfuse does not upload encfs directory content

I am trying to setup automatic upload of an encrypted directory structure to google drive. To do that I use google-drive-ocamlfuse (grive keeps crashing and is never done), and encfs. First I create ...
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1answer
42 views

Can a device that has wifi that does not support WPA connect to an access point configured for WPA via WPS-PBC?

I'm having trouble finding results for the internal workings of WiFi Protected Setup. All I can find is that the PIN method is broken, evil and cracked, and that you should turn off WPS PIN or WPS ...
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0answers
30 views

Truecrypt not enough space for hidden volume error

So I have tried this multiple times with different drives and keep getting this same error. "Not enough free space for the hidden volume! Volume creation cannot continue." I am getting this when ...
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0answers
30 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
44 views

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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5answers
11k views

Is it possible to encrypt home folder on windows 7?

Ubuntu and MaxOS has an ability to encrypt home folder in case laptop is stolen. Is it possible to do same thing on Windows 7? I need to encrypt home folder so it will be encrypted and decrypted ...
0
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1answer
39 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 ...
1
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1answer
25 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
41 views

How to avoid having users enroll for multiple certificates?

I am the domain administrator of my company. Recently one of my clients has re-installed his Windows and received a new certificate from CA, but the key pair of certificate is not same with previous ...
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3answers
6k views

Looking for an encrypted, persistent and live Linux distro preferably with Tor [closed]

I am looking for a live linux distro (for installing on a USB flash) that is encrypted and provides anonymity and is also persistent so that I could install apps on it. The best I have found so far is ...
2
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4answers
535 views

How to exchange documents securely (cross platform)

I have to define a way for two parties to exchange a folder (files) securely. Encrypted zip format seems to be the most obvious but I have read some accounts of zip encryption being flawed. So I am ...
3
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2answers
146 views

Send private file to newbie

There are a lot of ways of transfer a file in a secure way, but it's difficult to find a way of doing it which is newbie-friendly. For instance, suppose that Alice wants to send a confidential file ...
1
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1answer
16 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 ...
1
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1answer
27 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 ...
0
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1answer
15 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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3answers
35 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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0answers
93 views

DiskCryptor error. Can it be fixed? or what equivalent disc encryption software should be installed? Thanks

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 upon ...
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4answers
806 views

Why does encryption not destroy the way networks work?

I've a very basic understanding of how encryption works. My knowledge insofar is that of CCNA discovery level on the CISCO courses (along with a few other things such as Steve Gibson and Leo Laporte ...
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4answers
4k views

Does anyone know how to encrypt an existing partition in linux while preserving its data

If I have a partition like /dev/hd1 that is unencrypted and want it to be encrypted, but want to keep everything currently in that partition, how can I do that?
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0answers
6 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 ...
0
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1answer
56 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
40 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 ...
0
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1answer
20 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 ...
0
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0answers
44 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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0answers
30 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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7answers
13k views

Reading an encfs volume from Windows?

I've been looking into encfs as a solution to encrypt my personal data. However I want to access this data both on Linux and Windows on different machines (synced through Dropbox). So far all Google ...
0
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1answer
109 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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0answers
15 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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3answers
96 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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0answers
36 views

How do I know if the drive in my notebook is an eDrive and thus uses bitlocker with no performance drop

I have this Toshiba notebook and the specification only states the capacity of the SSD and says nothing about the type. It supports some hardware encryption via BIOS and via proprietary Toshiba ...
2
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2answers
3k views

How to encrypt a folder in Mac OS X

How do you encrypt a single folder on Mac OS X without using a Disk Image? I have heard you can use a Disk Image to do this but I don't want a giant 8 GB (the size reccomended here) Disk Image just ...
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2answers
4k views

Is it possible to re-lock a bitlocker drive?

I'm running a partition with bitlocker on a Windows 7 Ultimate machine, which contains secure data that I have to recover infrequently. Unlocking it to access the data is obviously no problem, but is ...
3
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5answers
2k views

Encrypted SSD health

SSD require specific maintenance by the OS, such as the TRIM function. Can a full hard drive encryption or a partition encryption using programs such as TrueCrypt negatively effect an SSD drive?
2
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3answers
761 views

Disk encryption: advantages and drawbacks of hardware disk encription vs dm-crypt

I'm going to reinstall my system (Ubuntu) on a Samsung 840 pro SSD. This disk can do AES hardware encryption. I wonder what would be the drawbacks and/or advantages of taking this approach versus ...
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2answers
481 views

Is there any benefit to full disk encryption if I always leave my PC on?

As I understand it, full disk encryption encrypts all data on a HDD and protects that data with a password. If I turn my PC off and it gets stolen, all my data, passwords etc. are protected. But I ...
0
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1answer
121 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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7answers
740 views

Encrypting a USB Drive - How do I carry it out?

Recently my USB was confiscated a... disagreement, and it was scanned through and numerous project files were deleted in them. While nothing can be done now, I'd like to prevent this in the future by ...
0
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2answers
40 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
36 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
20 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 ...
4
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2answers
996 views

How I can hide the folder structure from a password protected RAR file?

I want to save my files in a DVD or in several... I want to do it with this feature: I want to protect and hide my files through a password. Normaly I used to compress my files and put it a password ...
0
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1answer
23 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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0answers
32 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 ...