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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I've forgotten my bitlocker key and password, is there a way to get my computer running again?

My brother was playing games on my Surface RT (mainly only used for Steam games) and he messed with some settings and managed to enable Bitlocker encryption without my knowledge and he has no idea ...
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2answers
169 views

Can I determine a ransomware decryption key, given an encrypted file and its original?

I've recently been victim of a ransomware attack. I lost some of my files because but I have some of them backed up. If I have for example, the same txt file, one of them encrypted, and the other, ...
0
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0answers
10 views

Unable to Install Windows 10 Pro, version 1511, 10586, System Partition Encrypted w/ VeraCrypt [duplicate]

I have a laptop running windows 10 Pro, The system drive has been encrypted with VeraCrypt. I am unable to get the update 'Windows 10 Pro, version 1511, 10586' to install. Each attempt at installing ...
0
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1answer
16 views

How do most encrypted drives work?

I'm considering a move to hardware encrypted drives. How do these usually work? I have trouble imagining a drive that self-encrypts. Where do the keys go? It's OK to generalize the answer but I'm a ...
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0answers
9 views

7zip - Encrypting and compressing each file in a folder while maintaining directory structure [duplicate]

Say I have a directory structure like this: - main folder - folder 1 - file 1.txt - folder 2 - folder 3 - file 2.txt - file 3.png - file 4.txt - file 5.jpg I'd like to ...
0
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1answer
51 views

Does a proxy server protect my download habbits from my ISP?

If I torrent files and access websites through a proxy server, can my ISP see what I am up too and the websites I'm visiting (SSL and non-SSL)? Also, would a proxy suffice or would a VPN be more ...
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2answers
68 views

Linux whois over https?

I am not using a VPN or other SSH/tunneling protocol. I would like to encrypt whois queries made via the terminal. It appears that using whoisin a linux terminal queries over an http connection as ...
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0answers
21 views

Laptop for repair: Encrypting operating system volume from another Windows 10 instance

My ASUS TP300LA hybrid just won't boot ( turns on, HDD on, screen seems to be powered up as there's a flicker when turning on machine - but won't finish POST and display ASUS logo, just hanging in ...
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0answers
30 views

Unable to mount ecryptfs home, after years of uninterrupted work

I have old machine with Ubuntu updated from 11.04 to 15.04, with encrypted $HOME like described here. Around two-three years after installation (around about one year or two years ago) username was ...
0
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1answer
451 views

How to install Ubuntu 15.10 on an encrypted RAID 1

I recently set up an Ubuntu 15.10 (desktop) on a encrypted RAID 1 and want to share how to achieve this as it didn't work out of the box and I didn't find any tutorial. So what I wanted to achieve was ...
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0answers
25 views

EFS File encrypted with “System”

We're trying to set up EFS to secure a file share so that only a service account can access the files in it. Everything works fine, until we try to have an FTP process send files to the folder. ...
3
votes
1answer
505 views

How would I encrypt my whole Linux filesystem with Veracrypt?

I'm running Kali Dojo 2.0 and I'd like to encrypt the entire drive. I've encrypted my Windows 7 Home Premium drive with Veracrypt, and it was a simple setup and I'd like to do something similar on ...
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0answers
98 views

Debian: grub-install with LVM, crypto, and stripe

I'm working on getting Debian 8.2 installed on my system, and am having trouble with grub. It looks like the OS installs fine, but once I get to the first boot, I just sit at a grub prompt. Here's ...
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1answer
47 views

Encrypting files in Mac OS: Are there any possible security issues with the AES - DMG encryption method via DiskUtility?

I was wondering how the 256-AES encryption method contained in DiskUtility in Apple Mac OSX works compared to other open source encryption applications out there. This method is found under the Disk ...
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0answers
44 views

What is the fastest and best encryption application for large files in Mac? [closed]

I currently have some large video files that are around 27 GBs each. I was wondering if there was a fast and secure method for large file encryption. My goal is to encrypt these files and then upload ...
3
votes
1answer
62 views

Bruteforce unknown encryption of expired PDF

I have an encrypted PDF. I have the password for it. 8 alphanumeric characters. But I think when you open it, it makes a connection to a DRM server to check if the content has expired, which it has. ...
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0answers
245 views

A really secure file encryption solution [closed]

I, as many others, used TrueCrypt. It's not a good solution anymore because all encrypted files are stored in a single volume file. I also used BoxCryptor, its advantage is that it encrypts each file ...
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votes
1answer
22 views

the system won't accept my encrypted volume

my volume just stopped working 3 weeks ago. It won't accept the password what is actually stored in the keychain. Strange thing is i can change the password in disk utility. I started to recovery all ...
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0answers
114 views

“Encrypt contents to secure data” is grayed out even after regedit dword is set to 0

My Encrypt contents to secure data is grayed out on my computer. I have already gone: Into the regedit and set NtfsDisableEncrypton to 0 and rebooted. To Admin Tools > System in Control Panel and ...
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0answers
20 views

Can't decrypt immediately after encryption

I want to use GPG to create an encyrpted backup. I am testing the encryption before I use it and it's not working like I expect. I am using this script to test it: gpg --gen-key gpg --encrypt $0 ...
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1answer
111 views

There are no decryptor tools for CryptoWall, right?

Just want to make sure there is no decryptor tools (those that use leaked private keys) for the CryptoWall variation of the virus before we go and do the undoable? And are there any cases of people ...
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0answers
99 views

How to fix boot sector of encrypted system without decrypting it?

Let's have a following problem: Encrypted system partition with Windows 7 via VeraCrypt with somehow broken boot sector (I suspect this happened after using Xubuntu - so either Linux version of ...
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1answer
61 views

USB drive software encryption?

I would like to easily encrypt/decrypt a USB key on my PC. I used to use TrueCrypt which appears to be not secure anymore. I found an alternative named VeryCrypt, but, I would better trust a low ...
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votes
2answers
81 views

How can I protect a hard disk being read when drive is inserted into another computer without using encryption?

Besides using an encrypting-filesystem on-disk, what other options are there for password-protecting a hard disk, so that when it is removed from a computer's encasing or laptop its contents cannot be ...
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1answer
23 views

Using libjasypt on Ubuntu

When I install libjasypt with Ubuntu, where does it install, and where can I find the encrypt/decrypt.sh scripts? I used the following command to install jasypt. sudo apt-get install libjasypt-java ...
4
votes
1answer
345 views

Why does BitLocker want a recovery key instead of a password?

I have a .vhd image of a BitLocker encrypted drive. When I mount and double click the drive, BitLocker wants me to enter a 48-digit recovery key and doesn't ask for a password. Why is that so and ...
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0answers
32 views

Corrupted external ssd after connecting to windows

I have a samsung external ssd with password protection. This ssd was formatted on a mac. After connecting it to a windows pc (which failed) I am no longer able to access any of the data on the ssd. ...
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1answer
307 views

Encrypted /boot in a LUKS LVM Ubuntu installation

I have Windows 8.1 already in UEFI mode. I was installing Ubuntu 15.10 from within Live install. Installation was successful when I kept /boot unencrypted. Here is the scheme: sda1 400MB Reserved ...
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0answers
66 views

Setting up secure email on Thunderbird

I'm trying to set Thunderbird up to send/receive encrypted emails. Here is a screenshot from the screen where you can select certificates: However, it doesn't really explain the difference between ...
3
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0answers
40 views

Mail encryption on Windows RT

Is it somehow possible to use mail encryption preferably via GPG on Windows RT? Since on a Windows RT Surface tablet you only have access to Windows Mail as an app in the store, there is no fancy ...
2
votes
1answer
40 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 ...
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1answer
49 views

Can I use GnuPG connect to PGP public key servers?

I use gpg 1.4.19 on Windows. Can I communicate with the server directly from the command line? I tried this many things, but nothing worked: Tried: >gpg --keyserver hkp://pgp.mit.edu ...
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0answers
48 views

BitLocker corrupted partition, recover using the pin password, no RecoveryKey or NumericKey

I have a 15Gb USB Pen drive, whole drive encrypted with BitLocker. I pulled the pen drive by mistake while transferring data, and the partition is now corrupted, RAW. I understand my only solution ...
3
votes
1answer
975 views

Windows 10 Update 1511 fails with DiskCryptor whole disk encryption

I am running Windows 10 with DiskCryptor whole disk encryption on the system drive. The latest Windows 10 update fails to install. When I restart the system to install the update, I get the ...
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1answer
4k views

How to recover files from infected. Vvv extention [duplicate]

Can any one help for how can remove this virus. Our all computer's files infected from this (.vvv) virus. We are using windows 7 Plz give me strong methods. If you need remote screen i will provide ...
0
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2answers
114 views

How to install encrypted linux debian using hardware encryption on SSD

I got a partitioned SSD, 300gb for windows (unencrypted) and 200gb for linux debian that I would like to encrypt. Does anyone know how I can encrypt the linux system on the partition using the ...
0
votes
1answer
9 views

Is it safe to use an a mounter encrypted partition with unencrypted linux system?

Let's say linux is installed on a clear partition is it safe to mount an encrypted partition and use it for data ? Won't it cause the key to be stored somewhere in clear or logs to tell something on ...
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votes
1answer
60 views

Which features should I consider, other than encryption and data security, when choosing to buy a VPN service for longer period?

I wanted to know about features that makes a VPN worth buying. My main purpose of using a VPN is privacy and online security, but I want to get suggestions about other features that different service ...
2
votes
1answer
37 views

How do I store RSA keypair in Windows?

I'm trying to write a simple Encryption-Decryption program using Openssl-RSA. When a data is encrypted, a keypair is generated. If I want to decrypt the data, I need the exact keypair that was ...
2
votes
1answer
27 views

GnuPG Domain to Domain email encryption

I'm running a Debian mail server and am looking forward to encrypt mails from my domain to the domain of a business partner. Also, the encryption should happen on the mail server itself not on a mail ...
0
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0answers
81 views

Uploading client-side encrypted file to AWS S3 for loading into Redshift using command line

Trying to do the following using command line: encrypt a file with AES 256, using a key upload to S3 LOAD it to Redshift specifying the original key I understand that this is possible to do with ...
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votes
1answer
73 views

Centos 7 auto unlock encrypted hard drive

I have a Centos 7 server, and i have chosen to encrypt the hard drive in case someone breaks into my home and tries to read the files on my hard drives by directly inserting them into his own ...
0
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1answer
566 views

Access Denied error accessing BitLocker encrypted fixed drive

BitLocker was turned on on my previous Windows 7. It was working properly until I had to change my Windows 7 and reinstall it on another drive, this time SSD instead of HDD. After installing Windows ...
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3answers
90 views

Is there a way to create invisible text?

I would like to create a text file (the format doesn't matter) whose text is invisible. I don't mean a hidden file. A normal file with invisible, copiable text. Or could it be displayed the way ...
2
votes
1answer
76 views

Getting error im decrypting .gpg file

I'm getting an error in decrypting .gpg file. I've already imported the public keys through below method. $gpg --import key1.asc directory `/user_home/.gnupg' created gpg: new configuration file ...
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2answers
54 views

Why does PGP encrypt differently when piping into a file instead of printing the result?

I'll use the following PGP key stored in pub.pem: -----BEGIN PGP PUBLIC KEY BLOCK----- Version: PGPfreeware 6.5.8 for non-commercial use <http://www.pgp.com> ...
2
votes
1answer
32 views

OpenSSL - how to get all settings when encrypting

I'm using openssl to encrypt text with a vendor. I have to send test encrypted text and provide them with what they need to decrypt the text on their end. When I encrypt text and then try to decrypt ...
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1answer
55 views

Attempting to encrypt a text yields “unable to load Public Key”

My intention is to encrypt a text using a PEM formatted public key. (src) > echo "encrypt this." | openssl rsautl -encrypt -pubin -inkey pub.pem unable to load Public Key The same happens if I ...
0
votes
1answer
189 views

openssl : How to create .pem file with private key, associated public certificate, and certificate chain all the way to the root certificate?

For test purposes (i.e. all self signed, not production), how would I use openssl to create a PEM file which contains the private key, the associated public certificate, and the certificate chain all ...
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1answer
221 views

How to enable SSD encryption?

I just bought a samsung evo 840, which supports encryption AES-256. Reading the very little documentation that I could find about SSD encryption, I found that I have to enter my bios, go to the ...