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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40 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
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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 ...
0
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1answer
69 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 ...
3
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0answers
81 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 (...
0
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1answer
25 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 ...
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5answers
161 views

How can I lock a file / store a password for a period of time?

I would like to lock a file so that it cannot be accessed for a period of time. At the end of the time, I should be able to access the file normally. Is this possible? Clarifying comment: I ...
2
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2answers
139 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 ...
1
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1answer
37 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" ...
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0answers
18 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 ...
0
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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, ...
3
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1answer
85 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 --...
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0answers
62 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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1answer
26 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.
1
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1answer
58 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
49 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 ...
1
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1answer
36 views

Decrypt and Forward

I have a Ubuntu machine running SSH, I need to forward the incoming traffic to another machine over a secondary Ethernet adapter (IE eth1) after it has been properly encrypted: something similar to ...
1
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3answers
160 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
135 views

Git can't invoke gpg-agent to sign commits

I have Git 2.8.1 running in Ubuntu 15.10, and I've set it up to GPG sign all of my commits using my keybase key. It used to work well. At one point, I'm not sure what caused it, I started getting ...
3
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2answers
36 views

Can the SAM database be encrypted with EFS to prevent offline password cracking?

Is it possible to EFS-encrypt the SAM database to prevent offline password cracking? Would it have to be encrypted as the SYSTEM user?
1
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1answer
17 views

Convert a public key to GPG readable format

For a backup scenario, I want to peform asymmetric encryption of the data. For this I'm using duplicati (2.0) paired with GPG. Now I have a smartcard (PKCS#11 / CSP interface via OpenSC) on which I ...
0
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0answers
24 views

Which windows services are ok to: SC Type= own?

Looking at the best answer to "How to find memory usage of individual Windows services" posted on Server Fault it looks like SC Config ServiceName Type= own is the best way to 'split-off' services ...
1
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0answers
43 views

Is it possible to have a HDD with Windows 10 and a Linux fully encrypted with VeraCrypt?

So I'd like to set up a multiboot system on my 4TB hard drive with Windows 10 64bit and a Linux distribution such as Debian and fully encrypt it with VeraCrypt. Is this possible? And if so how?
3
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0answers
145 views

How can I safely remove an RSA 4096 ransom-ware virus?

My dad's computer got infected with an RSA 4096 ransom-ware virus. For those who don't know it is a virus that encrypts all the files on your PC using an RSA 4096 encryption key. Then you need to use ...
0
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1answer
253 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
9 views

Split access db password error

I have a split access db, while not ideal there is good reason for doing so. I haven't had any linking issues between the front and back end until recently. Now when I try to link the front end and ...
0
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0answers
30 views

WhatsApp end-to-end end encryption

I went through WhatsApp Security White Paper which talks about how WhatsApp end-to-end encryption is achieved so that third party and even WhatsApp can't decrypt a message transmitted between sender ...
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votes
2answers
161 views

Could someone explain what this error about?

Test connection ([Triatin_SALESBANK_SFTP_Receive_Triatin], [SFTP Receive]) failed with message: Unable to logon[user: ****] into target server [***********:22] via SOCKS proxy [172.22.144.141:5,002] ...
0
votes
1answer
11 views

Is there a setting in Outlook that enables encryption for **some** messages?

The support page describes how to encrypt one message and how to encrypt all messages. However, I'd like to encrypt some messages, based on certain conditions (for example keywords, attachments, ...
0
votes
1answer
87 views

Sniff wireless (Wi-Fi) traffic with Wireshark

I have a wireless card (ALFA AWUS036H) in monitor mode (with airmon-ng start wlan0) on my Debian machine. In Wireshark, in "capture options", all my interfaces are in promiscuous mode. The test ...
0
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0answers
23 views

dd/cat luks lvm on drive that has larger total size (partition plus trailing empty space) into smaller drives that can hold said luks lvm?

I have three drives, 256gb, 128gb and 120gb. My encrypted LVM is 115gb in size. In a gui disk utility, it shows that I have trailing space after the encrypted partition, but I'm not sure if the ...
1
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0answers
79 views

bitlocker on/off after uefi flash and recovery key has changed?

Amendment: I noticed that though, BL is turned off, that when I try to use recovery options in Windows 10, or when I turn off and back on the TPM in UEFI, that the BL "recovery key" from the original ...
-1
votes
1answer
171 views

Cannot encrypt files in windows 10 home (option is greyed out)

When I right click a file, go to properties, general, advanced the option to encrypt a file is greyed out even if I'm admin. I also checked in "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\...
1
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1answer
22 views

Install Linux Mint on Encrypted WIN7 SSD?

Is it possible to install Linux Mint on top of a preexisting win7 os. Basically I want to put mint install on usb. Change boot to the usb and then format/wipe the entire windows partition during the ...
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0answers
13 views

Why might Windows EFS not list a certificate from Trusted People?

I have an encrypted file. I've added a public-key-only certificate (exported from another computer that had the private) to all of the following: Local Computer\Personal\Certificates Local Computer\...
2
votes
1answer
38 views

Mount an encrypted partition

I was following the following code from Does anyone know how to encrypt an existing partition in linux while preserving its data $ cryptsetup open /dev/sda sda-crypt --type plain $ dd if=/dev/sda of=/...
2
votes
2answers
65 views

Multi-user cross-platform client-side on-disk encryption with a SMB/AFS NAS?

I have an old Lacie 5big NAS that does not support encryption. It speaks SMB, AFS and FTP. I'm looking for a way to store encrypted data on the NAS, at the same time it should be accessible by ...
1
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0answers
40 views

Laptop with two LUKS encrypted disks: HDD and SSD: How to start with same passphrase?

In my Linux laptop I've two disks: One larger conventional HDD and a smaller but fast SSD. On the SSD I've a small unencrypted /boot-Partition containung kernels, initrd images and GRUB. All ...
3
votes
4answers
189 views

How to be able to read encrypted files in the future, when the encryption tool is not available anymore?

I back up a lot of my files encrypted, but what I wonder is how to make sure that I will have access to this data in, let's say, ten years, when the tool that I used to encrypt the files is not ...
1
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0answers
32 views

Data corruption in PGP encrypted environment

I'm trying to determine what is causing, and how to prevent, data corruption that is occurring in a secure, PGP encrypted environment. I am one of the primary users of the system, and not an ...
1
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0answers
112 views

Triple-boot: OSX, Linux, & Windows with full disk encryption

I have a Macbook Air (MacBookAir6'2) that I want to set up a triple-boot on: Required Operation Systems: OSX (10.11.3) Linux (Debian based: Elementary or Mint) Windows 8.1 Pro The 2 main ...
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0answers
77 views

Can you mount a VeraCrypt partition to a folder?

I have recently encrypted a drive with multiple partitions using VeraCrypt. This is not the main drive with Windows installed on it, but a drive used to store data. Windows allows me to mount the ...
3
votes
1answer
97 views

Why does GPG not decrypt with all subkeys?

I have multiple subkeys for signing and encryption. Here is my public and private key list. jeremy@localhost ~ $ gpg -k /home/jeremy/.gnupg/pubring.gpg ------------------------------- pub 4096R/...
3
votes
1answer
41 views

I got asked “How would you encrypt messages so that Customer Service could read if necessary?”

I was interviewing for a full time position with the company I am a contractor with. One of the questions I got presented with was designing an IM client. I got asked the following question: "How ...
1
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0answers
61 views

Windows 10 pro bitlocker is not working

My Dell laptop has Windows 10 professional edition and previously it has a working bitlocker program. But now can't open bitlocker using start menu or control panel.When I search bitlocker from start ...
0
votes
0answers
8 views

TrueCrypt disk filestamp updated, even when no files changed?

I'm using TrueCrypt volumes for a bunch of files I'd like to secure and backup as a whole, and found out that since some time, the timestamp of the TrueCrypt volume file is updated even when I only ...
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votes
1answer
47 views

why Ransomware malware payment message not encrypted also?

it is an awkward question but just want to know why the payment message not encrypted or corrupted or any error seems to happen when pop-up? and what type of this message is it an excutable extension ...
0
votes
1answer
61 views

Bash loop for adding --exclude list to tar

I have a bash script I made to encrypt/decrypt using GPG and tar. Right now I have my --exclude hard coded into the script, but I'd like to make it a bit more dynamic and add the items to exclude as ...
1
vote
1answer
18 views

Another people's OpenPGP key in my computer?

Today, when I executed gpg --list-keys, I saw another people's key list here. I search in seahorse, but can not find it. Is this key stored in my pubring.gpg file? I only have one OpenPGP key for ...
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0answers
72 views

Decrypting CryptoWall files

My computer has been infected with the CryptoWall virus and many important pictures and videos on my computer have been encrypted. When i start Windows i get a message that says that RSA 4096 ...
1
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0answers
36 views

HDD Stopped Responding

I have an external 500GB hard drive containing a WD Scorpio Black, used all as one partition, encrypted with BitLocker and runs very well. This morning I connected it to my PC, it asked for BitLocker ...