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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4
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2answers
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When I encrypt a message with my public key, can I read it with the same public key?

On a process that is using asymmetric encryption(such as ssh), when I want to send a message to someone using my public key, can I decrypt and read this message with my public key (the same that I ...
2
votes
1answer
37 views

TripleDES encryption using OpenSSL enc subcommand

I have a tool which is using OpenSSL for RSA and DES/TDES operation. After processing by a tool, I got key = 4F324364970DBA5DE058EF0EAE54625E and the encrypted data is like data = ...
1
vote
0answers
16 views

About using sshfs as multi-user file system (different hosts) and potential problems

I have a large online storage for backups which I mainly access through sshfs. Since I am using encfs for encryption (I know about the security concerns but even weak encryption is better than no ...
0
votes
2answers
99 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 ...
0
votes
0answers
28 views

Recover data from my damaged phone

I need to recover data from my Samsung Galaxy Note 3. S(M-9005). Last night I dropped it and it restarted. Now its staying in boot loop for 4-5 mins and then starts. But after that, the screen stays ...
0
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0answers
18 views

How do I migrate from ecryptfs to a similar setup using ext4 filesystem level encryption?

Currently I'm using ecryptfs - it's a software layer that encrypts my home folder with a key which is in turn encrypted with my password, and it hooks into PAM to unlock it on login. Unfortunately, ...
0
votes
1answer
22 views

gpg does not ask for passphrase on one encrypted file

I have a test encrypted file on my computer that when I run gpg(2) --verify message.txt.asc I get: gpg: Signature made Tue Mar 3 21:16:41 2015 PST using RSA key ID ******* gpg: Good signature ...
0
votes
1answer
34 views

Find Key of Installed and Activated instance Adobe Acrobat Professional

I viewed the following thread: Find Key of Installed and Activated instance Adobe Acrobat Professional without using 3rd party tools I found my encrypted key, but I can't decrypt because I don't ...
0
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0answers
22 views

Common protected (Encrypted) partition for both Windows and Ubuntu

I have installed Windows 10 and Ubuntu 16.04 on my hard drive. I like to encrypt a common partition which will be available for both Windows and Ubuntu. When I was using Windows as my only Operating ...
0
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0answers
51 views

boot / mount TrueCrypt / VeraCrypt system drive automatically w/o user intervention?

Currently I use Linux to do full disk encryption and have it setup where I can ssh into the box to remotely unlock the machine during boot, as it is a headless server. Since this doesn't seem possible ...
0
votes
1answer
231 views

Is there any way to decrypt .locky files?

I would like to help to my friend. She opened a email, and after that, all files is transform to some encrypt format on she computer. Every image, document extension replaced by .locky. Now, after ...
0
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0answers
17 views

Can't uncheck encrypt content on my own encrypted file from external hard drive

I have some files on my hard drive that I really need access too but appear to be encrypted. I did not encrypt this file (well not that I remember). I have changed the owner but I still don't have ...
0
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0answers
25 views

How do i encrypt PDF with certificate?

I want to encrypt a pdf document with certificate so that i can have full access and all other users just printing access. I have been trying to create a certificate adjusting permissions and ...
0
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0answers
48 views

Duplicity encryption

As many of you likely know, duplicity is a software program primarily used on Linux operating systems for creating backups of your desktop environment. The software is known to use gpg to encrypt the ...
-2
votes
2answers
48 views

protecting a hard drive with confidential information

I am about to give a hard drive with many pdfs that contain information and high-res photographs to someone in an institution and would like to limit the possibility of those photographs being seen by ...
0
votes
1answer
133 views

How secure is BitLocker without a TPM, using SED?

I'm trying to find a source for some basic information about BitLocker. Say I have a self-encrypting drive (SED) like a Samsung EVO, but no TPM. I enable BitLocker. There are two options: Password ...
0
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0answers
124 views

I don't believe my Netgear VPN is an encrypted tunnel. What can I do?

I don't think that my VPN from Netgear is encrypted. I am using OpenVPN in combination with an R7000 router. I am able to access things attached to my home network so it's clear to me that some sort ...
0
votes
1answer
43 views

How to disable Encrypting File System

I accidentally (believe it or not) enabled Encrypting File System on Windows 7 that uses my personal certificate. I don't need the encryption, and I don't want to be stuck with inaccessible files in ...
0
votes
1answer
188 views

How to get the data off of a ReadyNAS drive?

I have a Netgear ReadyNAS Duo network backup system with two drives in it. The data is accessible through the network, but when I remove a drive to get the data off in another computer, it shows that ...
0
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0answers
16 views

Recover data from un-encrypted portion of partition - BitLocker [duplicate]

I have two Windows 10 OSs installed in two partitions of the same HDD. I wanted to encrypt both with USB and I ran into trouble. I am hoping I can still recover information on the partition that does ...
2
votes
1answer
45 views

Can BitLocker be forced not to use the TPM when one is available?

I have a Dell D420 laptop. I want to encrypt my Windows 8.1 installation using BitLocker, however this computer appears to have a TPM installed and I do not want to use it. BitLocker keeps telling me ...
0
votes
0answers
16 views

How can I decoded Linksys WRP400 configuration file?

I've lost my VoIP provider password, so I want to recover it from my router configuration setting. Now I've done backup configuration file but I don't know encrypted method for this file. Does ...
1
vote
1answer
493 views

Enable Bitlocker auto-unlock without system drive encryption

Does anyone know of any trick - registry change, group policy etc. which will allow a Bitlocker volume to be auto-unlocked without having a bitlocker encrypted system drive? My system drive is a ...
0
votes
2answers
18 views

Bitlocker doesnt allow to key in password [duplicate]

I have my portable drive encrypted with Bitlocker. However, every time I connect with computer it doesn't appear a window to type in password to unlock rather than a recovery key. Unfortunately, I ...
1
vote
2answers
47 views

How to encrypt VM box via VBoxManage?

I've created VM box via Vagrantfile, however when I'm trying to encrypt the storage, I've got the following error: $ VBoxManage encryptmedium aaa-bbb-ccc-ddd-eee --newpassword - --newpasswordid ...
0
votes
1answer
38 views

SED shadow master boot record and linux md raid 1

I'm contemplating this setup: Two SSDs with SED (self encrypting drive), in a software raid mirror, linux (or grub?) to unlock the two disks with one pwd from the Shadow Master Boot Record I ...
0
votes
0answers
19 views

Why ecryptfs still remain in mtab?

I use ecryptfs for encrypted lxc container container start ok and stop ok But i see even after stop this line /var/container-lxc/face/rootfs.crypt on /var/container-lxc/face/rootfs type ecryptfs (rw,...
2
votes
3answers
363 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 ...
1
vote
1answer
1k views

My Dell notebook shipped with a HDD that includes Full Disk Encryption. Can I upgrade it? [closed]

I have a Dell Latitude E6510 that includes a fingerprint scanner and a Seagate SATA drive that includes Seagate's "DriveTrust' full-disk encryption technology. It's a 250GB drive that I'd like to ...
1
vote
3answers
3k views

Is there an rsync alternative, that stores compressed and encrypted?

I'm looking for a suitable off-site backup / file synchronization solution. Both local client and remote server run linux. Storage space on the server is limited, bandwidth between client and server ...
0
votes
1answer
37 views

After formatting my PC bitlocker won't ask for a password to access external partition

I used Bitlocker to encrypt one partition of my removable hard drive. I definitely remember my password but I don't have the recovery key. I had to format my computer and now when I try to open the ...
2
votes
2answers
10k views

How can I break or get around the encryption on my WD My Book Essential (Smartware)?

I have a WD Western Digital My Book Essential 1TB Hard Drive which comes with WD Smartware software. I had put a password in it without a hint and now I have lost the password. This hard drive use 256 ...
0
votes
1answer
66 views

Bypass/Disable BitLocker

I am using a laptop with BitLocker Encryption turn on. However, my keyboard is damaged and I cant enter certain characters which are used as my password. I have the BitLocker Recovery Key with me ...
6
votes
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 ...
1
vote
3answers
154 views

Is a Bitlocker encrypted drive safe to dispose?

Based on the nowadays public knowledge about the strongness of the Bitlocker encryption - and supposing the user thinks the Bitlocker password is strong enough to make bruteforce unviable with the ...
3
votes
1answer
84 views

How to retrieve RSA private key from wrapped key blob?

I have generated a pair of RSA keys on a smart card with OpenSC tools and retrieved it as wrapped key blob encrypted with DKEK key: sc-hsm-tool --create-dkek-share dkek/dkek-share-1.pbe sc-hsm-tool --...
0
votes
1answer
23 views

Using OpenSSL library to convert .key encoded to .pem

I created a C program that takes in an encrypted file (encrypted.key) file and a public key to decrypt the private encrypted encrypted.key. However, my program only works when taking in two files that ...
3
votes
0answers
80 views

Is this a ransomware?

I just got this window on my main computer: Apparently, it's from Windows. I checked, the process EXE file is the original one (efsui.exe or something like that). But the thing is, I don't use EFS (...
9
votes
3answers
1k views

Enigmail cannot communicate with gpg-agent

I've been using Thunderbird + Enigmail for years. I'm currently using Thunderbird 38.5.1, Enigmail version 1.9 (20160223-1641), and GPG 2.0.26 in my work PC (Ubuntu 15.04 64-bit, w/ Gnome Shell). A ...
2
votes
2answers
129 views

Router wifi password encryption types and why do they matter?

up until now i've just been blindly following articles etc. to set my router's wifi password encryption type to WPA2-PSK/AES, but what does it really mean for me? does this just make it harder for ...
0
votes
0answers
18 views

rsync-like encrypted synchronization solution

I'm looking for a open source (or at least trusted free) solution which would allow me to make file synchronization on 5 devices together (running different version of Windows & Linux). However, ...
0
votes
2answers
36 views

Convert/Encrypt Office 2003 Documents

We have a large number (1000s) of old Excel 2003 spreadsheets that we need to encrypt. The encryption in Excel 2003 is outdated now so we would like to update the files to 2010 format and then ...
1
vote
1answer
36 views

Some kind of “encrypted” QR codes? [closed]

I'm looking of some kind of solution that enables me to print some kind of "encrypted" QR codes, so scanning of it with regular QR-code reader will display non-sense, but scanning with some "special" ...
0
votes
0answers
17 views

How to change passphrase of Debian encrypted partition?

After using an encrypted partition with Debian Luks for some time, now the correct passphrase is no longer accepted. How to change to a new passphrase ? Do I need to encrypt the partition again? I ...
2
votes
3answers
18k views

Windows 7 Encrypt Folder with Password

First of all, I am not on Windows 7 at the moment but will be in the next few days. I'd like to know if there is a way for me to encrypt a folder to prevent unwanted access, but still provide ...
0
votes
0answers
60 views

Re-locking BitLocker encrypted drive WITHOUT a drive letter

The operating system is Windows 7 Enterprise. I have an encrypted NTFS drive mounted at C:\mount_point. I successfully encrypted it with BitLocker GUI (in control panel) and can unlock it with ...
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votes
1answer
24 views

Best option to have an encrypted and password protected folder on Windows 8.1 [closed]

I want to have a personal folder on my office desktop secured by a password. What is the most reliable and convenient option.
7
votes
2answers
2k views

How can I use GnuPG with ECDSA keys?

I'd like to generate an ECDSA (rather than RSA, DSA, or ElGamal) key using GnuPG, and use it as I might otherwise use an OpenPGP-compatible master key. I've read that gpg2has support for ECDSA keys, ...
1
vote
1answer
56 views

Remove encryption setup on a lvm/luks partition

On my linux machine, I have setup disk encryption using lvm/luks. However later I delete one of the partition and format it to NTFS in order to use it on Windows (as I have dual boot linux/win10). ...
0
votes
1answer
48 views

Encrypting like BitLocker

Is it possible to encrypt like bitlocker? I've been playing with a lot of other disk encryption software but requires a password after BIOS. As a remote support company, we need to be able to reboot ...