Encryption is the process of transforming information using an algorithm to make it unreadable to anyone except those possessing special knowledge.

learn more… | top users | synonyms

1
vote
0answers
12 views

pgp decryption of file encrypted from named pipe as input does not decrypt to execution directory

if I encrypt data (via gpg) in the form of a flat file, on decryption (via pgp and with out specifying output directory) the decrypted file will write to the execution directory. If I encrypt data ...
1
vote
0answers
10 views

How to change from passphrase to encrypted key file in debian using luks?

I have four partitions plus /boot, each one with a different passphrase. I would like to manage unlock of all partitions with a single passphrase that decrypts the gpg.key file on the boot partition. ...
0
votes
1answer
33 views

Fastest way to duplicate encrypted hard drives?

I used hard drive duplicator to do the sector-by-sector duplication of hard drives. I think it took about 5 hours. Pros: easy unattended, computer-free operation Cons: hard drive size ...
0
votes
0answers
9 views

Fedora login screen stuttering

I have the followwing problem with Fedora 22 (64bit): It boots fine, it shows the password screen for the encryptions all fine, then it takes a whole lot of time to even display the login screen. ...
0
votes
0answers
17 views

How to prevent Internet acees if SwitchVPN is not running

I've got a VPN Client (Switch VPN) that automatically starts on Windows login, but requires administratives elevations. As I am the owner of the computer (I share my PC with 2 other persons), I would ...
0
votes
0answers
30 views

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

I have a tricky question about whole disk encryption and its respective backups ,particularly TrueCrypt, for which I have never found a great answer: What method do you recommend/use for create ...
1
vote
1answer
22 views

systemd: decrypt luks device on access

I have an external drive with a LUKS-encrypted partition. As the device is an external USB device and I don't always need it, I only want to decrypt and automount on demand. I can easily automount the ...
1
vote
0answers
18 views

How to mount a truecrypt container with noatime?

I'm using the TrueCrypt GUI on Ubuntu and I don't think there's an option for specifying mount options in the interface. I want to use noatime, because it reduces writes to the disc. I have seen the ...
7
votes
1answer
900 views

Does UEFI potentially leak encryption keys?

I just built my first computer in years and for the first time I now have an UEFI mainboard. I installed Windows 7 in legacy mode and encrypted my system partition with Truecrypt. Recently there was ...
-1
votes
0answers
20 views

UEFI, encryption and system access

I have some questions regarding UEFI. My new mainboard is my first UEFI board whatsoever. I am running Win7 64-bit in legacy mode from an MBR partition, fully encrypted with Truecrypt. Since this ...
-1
votes
0answers
9 views

Truecrypt system encryption in legacy mode and UEFI

I just recently got my first UEFI board and installed Windows 7 in legacy mode. This new system is encrypted with Truecrypt's system encryption feature but UEFI kind of startles me anyway. First of ...
0
votes
0answers
19 views

regex search compressed password protected files

I have a repository of a few million large text files. I need to regex search them on a regular basis. Because they are large, I use gzip to compress them and zgrep to search them. I have been asked ...
1
vote
3answers
47 views

Effective methods to prevent unauthorized access to my windows system

Problem : I have my windows machine where i used to randomly change password for 15 days,i fear that my friends might hack/misuse my pc with windows password reset tools [normally it would be used ...
1
vote
0answers
33 views

Encrypted Drive. Forgot password. Remember parts of it. Less than 10 characters [closed]

So I forgot my password to an encrypted drive (encrypted via Truecrypt 7.1a) and I remember parts of it (let's say the parts of the password is "12345" at the end and "guan" in between everything)... ...
1
vote
0answers
28 views

7zip only asks me for a password once when I open an encrypted file

I archived some files on my laptop and encrypted them using 7zip and the first time I tried to open a file, it asks for the password, but after that it never asks for a password... is there a way to ...
2
votes
0answers
13 views

Anubis as GPG proxy [migrated]

I'm trying to setup GNU Anubis to act as a sort of proxy to sign/encrypt emails coming from a service. The service is currently configured to send email using our SMTP server. The idea would be to ...
0
votes
0answers
22 views

Encrypting a folder in Windows 7 [duplicate]

Recently, when I tried to encrypt a folder in my external HDD, I was presented with a dialogue box as given below: What' the difference between Apply changes to this folder only and Apply changes to ...
1
vote
1answer
18 views

Zipping / Encryption on Solaris 10

I have a dump file which I am zipping it up -> sending it over a network -> and burning it onto DVD. However, now i would require encryption AES 256 on the dump file. I am running Solaris 10. Is ...
0
votes
0answers
52 views

Windows 7 won't boot (encrypted with Truecrypt 7.1a)

How the problem occured: My laptop randomly shut's down (probably overheated). After the last shutdown it could not boot windows anymore I could choose to use startuprepair or start windows normally ...
3
votes
1answer
28 views

Should my OpenPGP key used for storing documents in the cloud expire?

I plan on doing a mass migration of all my local files to various cloud services since space is pretty cheap these days. I figure I should probably encrypt my data before I upload it, which is better ...
0
votes
1answer
23 views

SSD encryption for storage purposes [closed]

I have a laptop with a HDD (1TB) and a SSD (15GB). On the HDD I have 3 differnt OS installed. So I was thinking to use the SSD as a storage for Music and such so it can be accessed by all of the OS. ...
2
votes
1answer
25 views

Lets encrypt on a server with multiple websites?

I read the website for let's encrypt, to get it to work you: $ sudo apt-get install lets-encrypt $ lets-encrypt example.com But what if I am on a server hosting example.com, example1.com, ...
0
votes
0answers
19 views

Encrypted partition between Ubuntu 14 and Windows 7

I've created a 50 GB partition (NTFS) for sharing data between Ubuntu 14 and Windows 7. I would like to encrypt this partition in a "common" way between the 2 OS. Is there any way to do that?
0
votes
1answer
43 views

How to mount a encrypted tar file in Linux?

Let us imagine I have encrypted my tar file with gpg as we can see here but I want to mount that with archivemount (e.g.: answer) without holding the unencrypted file on disk. Is it possible? If not, ...
0
votes
0answers
8 views

Can i check the Encryption of Data transmision for IIS7.0

I want to check this information : Cipher suites - Encryption: 3DES or AES-128 or higher - HMAC: SHA-1 or higher - Authentication: DSS or RSA Protocal support TLS version :.. is there anyway ...
0
votes
1answer
18 views

Update certificate in Outlook contacts

How can I update an encryption security in Outlook contacts? I got an email signed with an updated certificate by someone who is already in my contacts with an expired certificate. If I REPLY to ...
1
vote
1answer
23 views

Trying to encrypt entire user folder but getting access errors

In my Windows 7 Pro system, I am trying to encrypt my entire user folder but certain folders or files keep throwing up flags like this: Now, I have granted the process of encrypting Admin rights, ...
1
vote
0answers
29 views

Encryption and Wake-on-LAN [closed]

What I want: I have a storage server that can be turned on remotely via WoL. Now I want to encrypt the data stored on the server without losing the ability to turn the server on remotely While I do ...
0
votes
0answers
23 views

Automated script to create/access an encrypted file with multiple recipients

My goal is to create an automated way of encrypting/decrypting some files using openssl. What I currently have are the public keys of the recipients (in PEM format) and the actual data I need to ...
1
vote
0answers
21 views

Encrypting and Resetting Surface Pro Tablets

Is it more secure to wipe a Surface Pro Tablet by first applying BitLocker Encryption drive, logging into the device and cleaning the tablet using "Fully Clean The Drive" option as defined under the ...
0
votes
2answers
27 views

Can I use Silverlight to send encrypted videos to customers and will they be able to watch it?

I'm new to this whole subject so bear with me please. I want to sell and share videos with customers but I don't want them to be able to share those videos with anyone else. I thought that this was ...
0
votes
0answers
38 views

How to set up a password to protect bitlocker key with tpm?

My computer is a dell xps12 (2013) laptop running on windows 8.1 pro, uefi and secure boot enabled. I successfully enabled tpm and encrypted system partition with bitlocker. I was a bit surprised it ...
0
votes
1answer
17 views

LUKS encrypted volume lost upon reboot

Using this guide I encrypted a volume and am able to open and mount it manually. The problem comes after rebooting. On startup the system does not open the encrypted volume, nor is the decrypted ...
0
votes
0answers
12 views

Sophos “Enterprise Console” Full Disk Encryption adding a user

We have rolled out the "Full Disk Encryption" from the Enterprise console suite. Recently new users are not being added after the machine was running - new users who login when past the on boot ...
2
votes
0answers
57 views

How can I recover a partition after luksFormat?

How can I recover an ext4 partition after luksFormat? It was late one night when I decided to try gnome-shell 3.16 without messing up my Ubuntu box. So, I downloaded an Antergos image and booted it. ...
0
votes
0answers
11 views

GPG agent over SSH (with vagrant)

I'm using vagrant for building and signing my debian/ubuntu packages but I'd prefer to not have have to copy my GPG keys into the virtual machine just to sign packages. It just feels insecure. Is ...
0
votes
1answer
37 views

root encryption with LUKS: root partition not found

The layout of my only disk is the following: /dev/sda1 for the plaintext boot partition /dev/sda2 for the encrypted root partition My system is ArchLinux and I followed this guide to set up root ...
1
vote
2answers
37 views

Is it possible to encrypt only certain data when a laptop hibernates?

I would like to achieve protection from both ends of the spectrum: On the one end you have the need to protect the sensitive data on the laptop. Encryption of the system disk means the data will be ...
-1
votes
0answers
13 views

Would BitLocker and SysKey be a possible and good security combo?

Is it possible to have Bitlocker and SysKey work together on a Windows machine? If so, could you have them both work on a single USB thumb drive? Would the Thumb Drive have to be partitioned? If no, ...
-1
votes
4answers
39 views

Why isn't it possible to Encrypt and Compress a Folder on Windows?

I read this blog which explains why this isn't possible but I can't seem to figure out the reason. I find the blog a little difficult to understand. Can someone please explain why it's not possible ...
1
vote
1answer
44 views

How to specify private key when decrypting a file using GnuPG?

I am trying to decrypt a file with GnuPG, but when using the command below: gpg --decrypt filename.gpg I get the following message: gpg: encrypted with RSA key, ID 3662FD5E gpg: decryption failed: ...
1
vote
1answer
39 views

How to remove the gpg signature from a signed file without creating a new file on disk?

If I have a 100 MB signed binary file that I download over the internet, I need 200 MB of disk space to open it. The file is just signed, not encrypted. When disk space is low, It is not possible to ...
1
vote
1answer
44 views

RC4 encryption of torrents safety

Torrent clients offer encryption of traffic using RC4, and people consider this, like, very safe to hide traffic information from ISP. Now since I have a website with SSL encryption, I know that RC4 ...
0
votes
1answer
42 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 ...
1
vote
0answers
29 views

What techniques can I use for audio and/or video chat that don't use SIP and complex layered architectures?

Point A few years ago a friend and I were messing around and we created a super-simple video chat link by running VLC twice on both our computers: one "watched" the local webcam and cloned the video ...
0
votes
0answers
122 views

How to revert a LUKS encryption over ecryptfs

I had an encrypted /home folder under Ubuntu. As far as I can tell, it was encrypted using ecryptfs. It was using ~890 Gb of a 904 Gb partition. But then I tried Antergos, an Arch derivative, and made ...
1
vote
1answer
47 views

Ubuntu 14.04 LTS on a ASUS Laptop

I have an ASUS laptop which I am trying to re-purpose as a Linux machine, to which I purchased a new 750GB hard drive. Yesterday I installed Ubuntu 14.04 LTS and followed general guidelines for ...
0
votes
0answers
13 views

Will reinstalling Windows break the encryption on other drives on whole encrypted hard disk?

My hard disk is divided on three partitions. I want to encrypt the whole hard disk with Truecrypt but when i have to reinstall windows i have to format C drive which means that it will remove the ...
0
votes
0answers
37 views

How can I input password to manage-bde -pw option via windows powershell

I am trying to encrypt Data volume (for example E:) with the following command: manage-bde -protectors -add E: -pw When I execute the above command, it will ask for the password, so I entered it. ...
0
votes
0answers
72 views

Access truecrypt encrypted data from hdd of broken laptop

I am trying to obtain data from my previous laptop which is broken. Part of the data was not backed up at the time the laptop broke down. The hard drive is still functioning properly and I can ...