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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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
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1answer
1k 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 ...
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2answers
151 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 ...
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1answer
10 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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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 ...
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1answer
43 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
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1answer
28 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 ...
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0answers
93 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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1answer
81 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 computer....
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1answer
779 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 7,...
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3answers
92 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
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1answer
84 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
68 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
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1answer
34 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
56 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 ...
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1answer
214 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
269 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 ...
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1answer
60 views

GPG giving bad signature when email is downloaded as .eml

I'm trying to test whether someone with a copy of my public gpg key can verify a signed email that they receive from me. I'm using two computers for this. On the first, I have my key generated and ...
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0answers
26 views

Adding new encryption algorithm to the strongSwan

I need to add a new encryption algorithm to the strongSwan, for educational purposes. I want to know if there is a new encrypt-er that I can add to the strongSwan, and how to do that. Any answer will ...
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1answer
150 views

Bitlocker on Windows 10

A year and a half ago I successfully encrypted my external Western Digital hard drive using Bitlocker. After a few days I disabled Bitlocker, so the decryption process started. Halfway through this ...
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0answers
55 views

Transparent Encryption on MariaDB on RHEL7

I have a RHEL7 server running the latest mariadb MariaDB-server.x86_64 10.1.9-1.el7.centos I am trying to set up transparent encryption on MariaDB and I have a number issues: How can I test that ...
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1answer
77 views

Why is GnuPG returning “decryption failed: secret key not available”?

I am new to the world of GnuPG. I am attempting to decrypt a message via terminal and this is the result: [snip] -----END PGP MESSAGE----- gpg: encrypted with RSA key, ID F6B86794 gpg: decryption ...
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0answers
17 views

Perform a compressed backup of encrypted devices?

I'm looking for software that would do something like this for me: Read disk's partition table, find LUKS-encrypted partitions, Decrypt the partitions, fill the empty space with zeros, Back up the ...
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2answers
529 views

How can I encrypt a file with an ec public key?

I have generated an EC public/private key pair using openssl with the following commands: openssl ecparam -name brainpoolP512t1 -param_enc explicit -genkey -out mykey.pem openssl ec -in mykey.pem -...
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1answer
34 views

How to upgrade crypto-utils on fedora 14 to fc21 version

I'm using Fedora 14 to generate a self-signed certificate for our internal webserver serving our bugzilla bug tracking system. Fedora 14 crypto-utils generates a SHA1 signature, which current version ...
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1answer
74 views

If Bitlocker is turned on, How to decrypt OS volume when boot up?

I want to know decrypting process when boot up encrypted volume using BitLocker. Because MS says, it is encrypting entire disk drive whether the volume is installed OS or not, which means the file ...
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0answers
358 views

BitLocker hardware encryption cannot be activated on Win10 10586/1511

I'm having trouble enabling hardware encryption with BitLocker using Windows 10 build 10586 on a clean install with a Samsung 850 SSD. The encryption worked flawlessly before on build 10240. I've ...
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2answers
31 views

onion-style encryptions in ssh multi-hop commands

In what we could call the canonical multi-hop ssh example, we can see that the following command would route the user's ssh traffic through three (fictitious) consecutive nodes: ssh ruapehu....
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0answers
132 views

How to enable Bitlocker hardware encryption on Bare-Metal VHDX

I have a Crucial MX200 SED, and I want to use the hardware (not software) encryption on VHDX disks, including the operating system VHDX. The SED is OPAL 2 compliant. However, the Crucial website ...
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0answers
56 views

How to column-level encrypt in Dynamics CRM 2015?

I know that Dynamics CRM 2015 comes with encryption on for specific fields. EmailServerProfile IncomingPassword EmailServerProfile OutgoingPassword Mailbox Password Queue ...
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0answers
385 views

Web browser error: No common encryption algorithm(s)

When connecting to a bank site from my Debian (stretch/testing) PC with a recent (38.2.1) version of Firefox, I get the error: Secure Connection Failed An error occurred during a connection ...
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115 views

How to transcode AES encrypted files with AWS Elastic Transcoder

I want to upload my encrypted videos to S3 and use Elastic Transcoder to transcode them. This is what I'm currently doing and isn't working at all. I'm using openssl to encrypt my video files. The ...
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1answer
348 views

TrueCrypt - ran “decrypt” by accident on wrong disk which was not encrypted - how to “encrypt” it back?

basically I had normal, not encrypted disk, which I thought is my truecrypt drive. I booted from TrueCrypt Rescue Disk.iso and selected "Permanent Decrypt my data". It complained about key data being ...
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0answers
43 views

IKEv2, ESP PFS. Which packets includes the configuration?

i am investigating currently the IKEv2 protocol with ESP payload encryption. For ESP i want to use PFS with DH Group 5 (which works). However, i am not able to figure out in which packet this settings ...
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0answers
106 views

How to verify a software package using SHA256 checksums and PGP or GnuPG keys, on Windows?

I'd like to verify the Vagrant installation method using their recommended verification method. On the installation page it says: You can find the SHA256 checksums for Vagrant 1.7.4 online and you ...
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1answer
16 views

GPG keyserver says my key is not public

I have created a GPG key with gpg --gen-key, accepted all the default options. I do gpg --list-keys and receive: C:/Users/Myname/AppData/Roaming/gnupg/pubring.gpg pub 2048R/B296038B 2015-11-10 ...
2
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1answer
168 views

Can files be recovered from a disk encrypted with FileVault?

I formatted a USB stick that had an HFS+ partition encrypted with Apple's FileVault. This seemed like a good idea at the time, but now I would like some of the data back. The drive was not ...
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1answer
48 views

Encrypt multiple partitions (different OS)

I have a disk with multiple partitions: Windows 7 (one partition ) Debian 8.2 (3 partitions : root / + /home + swap) I'm using Grub 2 for dual booting. I want to know the best way to encrypt all ...
2
votes
1answer
137 views

Trying to mount encrypted file system failing

I had created an encrypted file system using the following commands: # dd if=/dev/zero of=/opt/vol # losetup -e aes /dev/loop0 /opt/vol Password: # mkfs.ext4 /dev/loop0 The above device was mounted ...
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1answer
29 views

GPG keys for mailinglists

There are two mailing-lists (e.g. list1@foo.bar and list2@foo.bar) for which I'd like to generate GPG keys and send the respective private keys to the members of the lists, so mails to the lists can ...
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votes
1answer
102 views

Corruption of a TrueCrypt file

Dear superuser people, this is my first question on the site so if I'm doing something wrong I apologize in advance :-) I've been using TrueCrypt for a few years now, not knowing they stopped ...
3
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1answer
103 views

Does Windows 10's BitLocker need special hardware support?

Does Windows 10's BitLocker need special hardware support or can I expect it to work in any computer (such as Mac Book Pro)?
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1answer
171 views

Why does duplicity require the GnuPG passphrase when rotating backups?

I am using duplicity 0.7.05 to periodically backup a directory that resides on a Linux system, using a GnuPG key pair with an encrypted private key. Since the public key is not encrypted, the ...
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2answers
297 views

Outlook refuses to send email with non-matching address in cert

I am unable to send an encrypted email to someone for whom I have a valid certificate, but they recently moved to a new company. Outlook is refusing to encrypt the email because the email address ...
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1answer
16 views

Did I lose my GPG data?

I copied my GPG data from another computer by just copying ~/.gnupg/* to an external drive. I can't quite figure out where this leaves me. I'd read that this works, but can't figure out how to get it ...
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0answers
265 views

Veracrypt volume automatically dismounting after a few minutes

I have an external backup hard drive encrypted with VeraCrypt. It mounts fine, but after only a few minutes, even if I'm in the middle of copying something over to the drive, it auto-dismounts. I am ...
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0answers
223 views

AES encryption with plain text key using bash openssl

I am trying to encrypt a string using AES CBC. The output of the online tool (http://aes.online-domain-tools.com/) and the bash openssl command do not match. Can anyone help me with what I am doing ...
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0answers
27 views

Can I encrypt a drive from a TrueCrypt rescue disk?

I have a PC with 2 TC (TrueCrypt) drives (C and D), same password. The C drive (system drive with Win 8.1) was going bad and I couldn't start Windows anymore, so I started to do a lot of things on it ...
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1answer
32 views

BitLocker and Active Directory

I routinely bring in my encrypted file drive to work, but the IT department seems rather incompetent here. The security policies are very lax, and I'm paranoid about the domain controller being hacked ...