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 secure is a mail account without TLS/SSL but encrypted password on Thunderbird

I am working with a new partner who has provided an 'internal' messaging service using an email server. It is designed to provide secure communications between geographically widespread individuals ...
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2answers
2k views

How to encrypt a dual boot system with Veracrypt?

I want to dual boot Windows 10 alongside Arch Linux on 1 SSD. The SSD is 465GB and I want to use Veracrypt to encrypt the hard drive and enable pre-boot authentication. I haven't attempted to do this ...
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39 views

Install Linux /boot to Custom Directory Within A Partition?

I have 3 Linux variants I would like to install (Kali, Fedora, and ArchBang). My laptop has 2 internal HDDs. My partitioning style is BIOS/MBR. The first drive currently has Windows 7, an empty ...
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43 views

Encrypt disk volume with LUKS, enable access without passphrase

How can I set “no passphrase, and don't prompt for one” on a LUKS volume, leaving it encrypted as is? Enabling LUKS encryption is a one-way, time-consuming operation. I need to divide the set-up of ...
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2answers
65 views

2 questions re Self Encrypting Drives (SED)

Can the SED be “turned on” with documents and files already on the computer? Are they affected in any adverse way? I have a laptop with SED that I’m wanting to use in a small work environment that ...
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1answer
69 views

Howto make encrypted volumes not fail boot when passphrase is not given

When setting up some encrypted partitions on my debian squeeze machine, all was so easy. I followed some howto and used cryptsetup to create the encrypted partitions now holding /home and /srv. The ...
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1answer
365 views

Ranked Order of Security for Encryption Algorithm Preferences: For GPG

GPG & PGP negotiate the encryption & hashing algorithm to use based on the recipient key's prioritized list of supported algorithms. The problem is DES/MD5 are forced to be included as the ...
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1answer
63 views

windows asking for format after unlocking bitlocker driver

I have internal 2TB hdd encrypted with bitlocker for almost 5 years, I have been using for just backup I did a restart and after unlocking and try to open it, the windows tells me the drive is not ...
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0answers
106 views

How to decrypt single file or folder?

In the proces of encrypting the whole drive, an error occured and my drive was broken. I've managed to recover all files. However, some of them were still encrypted. I've tried using TrueCrypt, but ...
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1answer
54 views

How do I encrypt specific files without moving them?

I share a Windows Vista computer with one other user. We're both administrators. I'd like to encrypt the files that are on my side so that if the other user changes my password they won't be able to ...
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1answer
28 views

Is it safe to encrypt two different partitions with they same keyfile / passphrase?

My question in particular is: Does using the same key multiple times ease bruteforcing the used keyfile or passphrase?
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2answers
339 views

Backup to external drive with full disk encription and bit rot prevention

I have a new USB external 2TB HDD and would like to use it as a backup for my home server. My wishes are: full disk encryption (the disk will be stored off-site) bit rot prevention Currently, I ...
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35 views

Backup encrypted SSD

Last year I used Truecrypt in my Windows and securelly backuping it was very easy: I just copied the container file to an external HD and I was ready to go. But now I have a Samsung EVO SSD. It has a ...
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1answer
266 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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1answer
310 views

How exactly does TrueCrypt work

I have some questions about how TrueCrypt and other Encryption Software work. TrueCrypt overrides the Bootcode in the MBR. Is there any other TrueCrypt Code on the disk which is not encrypted (Chain ...
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1answer
191 views

Using GnuPG or ccrypt to encrypt files?

When I encrypt some files (e.g. a folder or a tar-archive) whould you prefere gpg or ccrypt?
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1answer
138 views

Find and remove invisible EFS*.TMP files that are created by NTFS encrypting file system

On my Win7 64 Pro I encrypted a subdirectory using the standard Windows Explorer right-click context menu Properties -> Advanced function but I found out some time later that it created a bunch of ...
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0answers
48 views

Local password for remote connections

By default you log in to your PC and then connect a remote like Team Viewer or VNC. But problem with VNC is that you have a unencrypted login. So I thought I would have a last stop at my PC to force a ...
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1answer
2k views

How to encrypt a SD card without Bitlocker or TPM [closed]

I'm setting up a Windows 10 laptop for someone else. They have a SDCard and we want to make sure it's only accessible on that machine. The card will be holding synced Google Drive files so if it's ...
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1answer
142 views

This website contains unencrypted elements?

I purchased a SSL certificate for my website and it is displaying a warning icon and warning message. This website does not supply identity information. The connection to this website is ...
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0answers
67 views

Is it possible to create multiple hidden volumes within an encrypted volume?

You can create an encrypted hidden volume from an outer encrypted volume within Truecrypt or it's fork, Veracrypt... but is it possible to create more than one hidden volume within an outer encrypted ...
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1answer
260 views

Hide BitLocker “Unlock Drive” Notifications in Windows 10?

In Windows 10, when you mount an BitLocker encrypted drive (vhd in my case), Windows issues a notification prompting you to unlock the drive. Is there a way to turn off this particular notification? ...
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1answer
35 views

openssl smime message signing: why do I need a -certfile key?

Here is how one should sign a message with openssl smime? according to the docs openssl smime -sign -in in.txt -text -out mail.msg -signer mycert.pem \ -inkey mykey.pem -certfile mycerts.pem But ...
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1answer
53 views

How does TOR or a VPN keep you annonymous?

Ok, I've got a few things that are bugging me about TOR proxy and VPNs. More specifically how they keep you annonymous, for example, say that I'm using VPN and that my internal IP address is ...
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0answers
221 views

Stop disk decryption in progress and restore encryption

This is similar to "is there a way to stop mac osx disk encryption in progress?". I started decrypting my 2TB backup drive to use it for something else, but now I don't need that, I want my encryption ...
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1answer
197 views

How to change encryption algorithm for private key file using OpenSSH 5.3

Using ssh-keygen, I need to generate a SSH private key file where the encryption algorithm used when using a passphrase is AES-128 with CBC mode. I know this is the default for OpenSSH >= 5.4 as per ...
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38 views

OpenSSL listen and decrypt automatically

I want to design an application to connect my server using OpenSSL and send encrypted data (encrypted with server public key) to specified port on server like 4433. All client using server public key ...
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296 views

Encrypt hard disks with VeraCrypt in a mixed Windows / Linux system

My system is a dual boot Ubuntu / Windows PC. I installed several hard disks: Two SSDs (one for Windows 7 Pro, one for Kubuntu 15.04) and some conventional disks for data. Currently the Linux disk ...
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1answer
38 views

How do I run an application only as long as my home-folder is decrypted?

I've recently started using syncthing, and I've run into a challenge: I have my home folder encrypted on my laptop, and I want to sync folders from inside my home-folder. The folder is encrypted ...
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1answer
657 views

Full disk encryption on Samsung 850 Pro, no UEFI

I've recently upgraded (clean install) to Windows 10 Enterprise. I installed an 850 Pro SSD at the same time. Knowing that this drive could support hardware encryption for Bitlocker, I naively ...
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1answer
43 views

GPG with tar.gz at the same time without the full path being packed

I would like to compress and encrypt a folder: tar -cz "/path/to/the/folder/" | gpg --encrypt --passphrase "password" --recipient "mail@mail.mail" > "/destination/package.tar.gz.gpg" When I ...
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26 views

Prevent Administrator from listing Encrypted User Folder contents in Windows7

On a Windows7 system with a standard user and an administrator, the standard user encrypted his Documents folder using windows built in folder encryption feature. When the standard user is not logged ...
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3answers
347 views

Open encrypted volumes created by LibreCrypt in linux

How can I open encrypted volumes created by LibreCrypt on linux? These Volume is created by LibreCrypt on Windows7 and is formatted with fat32. When I tried opening this volume in Linux through ...
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167 views

Basic AES decryption problem

I'm working through the book Cryptography Engineering, and the current problem goes something like this: Using an existing cryptography library, decrypt the following ciphertext (in hex form): ...
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2answers
186 views

When multiple Encrypting File System certificates are installed, which one is used for encryption?

To encrypt a file or folder in Windows, you basically go to its Properties and check Encrypt contents to secure data. Windows will use the certificate for Encrypting File System (EFS) that is ...
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1answer
2k views

Changing System Drive from GPT to MBR

I currently have an Acer Laptop running Windows 10. My system drive currently has a GUID Partition Table (GPT) but I want to convert it to MBR Partition Table. Doing this wont be a problem as I found ...
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1answer
33 views

How to compress an encrypted partition or drive in Windows?

Could someone let me know is there any effective way to compress an encrypted drive or partition in Windows to reduce its size ? Thanks
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1answer
45 views

Accessing Windows encrypted files on another PC

I am new to WIndows EFS and find it very useful except with a problem, can't access those files in another Windows PC. I find some tutorials on how to access them in other windows PCs(1, 2). After ...
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1answer
585 views

How to share an encrypted storage on Windows, Mac OS X and Linux in a secure way

I got a 2 TB drive that I have to use with both Windows 8.1 / Windows 10 and Yosemite to OS X / OS X El Capitan and maybe even on Linux. I need to encrypt the volume. Or rather, I want to create two ...
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1answer
43 views

Use of own propriety encryption in OpenVpn

The revelation that the American and British governments have cracked SSL/TLS leaves a lot of questions for the future of OpenVPN. The project cannot continue forward built on top of an insecure ...
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2answers
560 views

What are the correct permissions for the .gnupg enclosing folder? gpg: WARNING: unsafe enclosing directory permissions on configuration file

I don't want to just chmod and run until I get the right answer, nor do I want to run GnuPG as root. The easy fix would be to just set it so that only my user can read it, but I don't think that's the ...
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0answers
102 views

How does BitLocker to Go leave an unencrypted file (BitLocker to Go Reader) that is readable by Windows XP or Windows Vista without extra software?

BitLocker to Go volumes are fully supported on Windows 7 and later. For compatibility with systems running Windows XP or Windows Vista, a utility called BitLocker to Go Reader is provided to enable ...
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1answer
514 views

Can't enable BitLocker auto-unlock on drive (“invalid function”)

I just upgraded my computer to Windows 10 by doing a clean install after formatting my boot drive. My boot drive is an SSD, and all my files are on an HDD that I didn't erase. I have all my volumes ...
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0answers
30 views

Encrypt distant server (file-system) using CPanel/WHM

I want to encrypt my distant CentOS server (whole filesystem encryption). CPanel & WHM are installed on it, can I use them to turn my server encrypted ? Thank you
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1answer
1k views

Windows 10: Bitlocker without TPM

I have an Asus K55A laptop without a TPM. For over a year, I had Windows 8.1 installed and Bitlocker was enabled requiring a password at startup. I recently upgraded to Windows 10 Enterprise (clean ...
2
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2answers
440 views

“Input/output errors” using encfs folder inside Dropbox folder

I have a 200 gig Encfs encrypted file system living in my Dropbox and being accessed by multiple machines, and I've never had any problems with it until now. I moved about 10 gigs of data around on ...
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0answers
61 views

How is my password used by bitlocker (in win 10)?

Does bitlocker use my password to unlock a key, which is then used to encrypt the drive? Or is the password they key? If the former, where is the key stored? On the system disk? My concern lies ...
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2answers
2k views

How can I prevent Windows 10 from sharing wifi details with my contacts?

In recent release of Windows 10 we could see a new feature named wifi sense, which raised the following security threat as per this blog post : This brilliant new feature, which Microsoft has ...
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0answers
85 views

How to restore OS when I've deleted Kernels from full disk encrypted Ubuntu 14.04 (also with home directory encryption)

I have an Ubuntu 14.04 OS on which I enabled full-disk encryption and home directory encryption. In the process of updating Ubuntu my boot folder was too full to update so I ran a command I thought ...
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1answer
200 views

ssh proxy command with netcat

In example like this: Host destination ProxyCommand ssh gateway nc %h %p Is the connection between the gateway and the destination encrypted? I am confused because I have 2 hypotheses and both ...