Questions tagged [encryption]

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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When mounting luks-encrypted disk-containers remotely, how to recover from loss of connection?

I keep sensitive data encrypted via luks, in container files. Those files are usually stored remotely (SMB, sshfs etc). So my current workflow is as follows: sudo mount $remoteshare /mnt sudo ...
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What are effective ways to encrypt a USB drive on Windows

I'm re-asking this question because the existing question is 9 years old and I assume there's been improvement since then. I have a portable USB drive and if I lose it I don't want someone else then ...
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Bitlocker does not detect my removable Hard-Drive, I cannot access it without restarting my computer

I have a problem concerning BitLocker and an external Hard-Drive. (I am on Windows 10 and my hard drive is a WD Elements model.) Sometimes, for a random reason my computer likes to forget that my ...
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Padlock sign on C, D and E drive

So I use Windows 11 home version. Last night I added another account on my laptop making it aslo an administrator. Then I checked This PC and and I found all my drives have the open padlock icon. I ...
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Recovering encryption keys from previous Windows 10 installation

I have installed a new version of Windows 10 on a new pc, and I've got some encrypted files from another windows PC which I haven't exported any keystores or anything from. I have the Windows/User ...
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I can't turn off BitLocker on Windows 10: "drive contains system boot information"

BitLocker is suspended on my Windows 10. Therefore there is a warning sign on my c: drive. When I try to turn off BitLocker all together, I get the error bellow: Disable-BitLocker : The drive cannot ...
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LUKS2 master passphrase in kernel keyring: Token unusable error

I'm trying to follow the documentation on how to pass a key to LUKSv2 via the kernel key ring: https://fossies.org/linux/cryptsetup/docs/Keyring.txt This does not work for me at all: # dd if=/dev/zero ...
performancematters's user avatar
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Can a malware infect my main drive when I'm using a different OS on a external drive?

I've installed Linux Mint to an external drive to visit sites I find suspicious. My main drive has Windows 11 installed on it with a Microsoft account and a password. So my question is: Can a malware ...
RandomQuestUser's user avatar
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macOS: how to verify software downloads with public key? [LibreOffice_7.3.7]

sry for wall of text... noob here (^.^) trying to learn about PGP / verifying download ‘LibreOffice_7.3.7_MacOS_x86-64.dmg’ on macOS? I think I know how to verify the download(?) but trying to ...
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How to restrict root access to other users/partitions

Setup: Laptop dual boot Ubuntu 22.04 and Windows 10 or 11 (both are fine for me). I have the issue where I need to install some anti-virus software as root on Ubuntu. However this software is really ...
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How to fix possible corrupted files from decrypted drive?

I recently gave in my external HDD to Seagate for data recovery and they sent me back a drive with the contents encrypted (Bitlocker). I decrypted the contents but it seems like all the files are ...
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Veracrypt - Save password on my personal computer

Noob question guys. I bought an external drive so I can save my personal information like my id, my resume, my contracts my projects, etc.... I encrypted the drive using veracrypt and a password since ...
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How can I recover the contents of a preserved Chrome Login Data database following a Windows password change?

So I have a machine here whose owner recently changed their Windows login password - and I learned all at once that the passwords in Chrome's password store are encrypted using the OS login ...
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Decrypting TLSv1.3 data using SSLKEYLOGFILE from native app

I am trying to decrypt TLSv1.3 packets using Wireshark. I have succeeded in doing so using this tutorial: https://blog.didierstevens.com/2020/12/28/decrypting-tls-streams-with-wireshark-part-2/ This ...
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Azure site to site proposals with Strongswan IPSec

I'm here trying to connect a Linux Ubuntu VPC Machine to Azure Cloud network interface, only thing I can't suss out is how to config my IKE and ESP at my end to match the Below - IKEv2 Encryption | ...
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How to re-encrypt a Whatsapp db file?

A week ago I decrypted a crypt14 WhatsApp database file using this python script. But I accedientally deleted the original crypt14. Now I want to restore my database. I have a decrypted msgsql.db file....
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7zip in bash script: create encrypted archive, but specify password in file instead of command line?

I can compress a 7zip archive with encryption like this: 7z a -pSECRET example.7z *.doc But in this case I specify the password (SECRET) literally on the command line. Is it also possible to specify ...
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What type of adapter/enclosure to get from Amazon U.K. for LITEON CL1-3D256-Q11

Friend of mine’s Dell Windows inspiron 2-in-1 laptop/tablet won’t boot, has unbacked up last three years of uni work on it, including his final dissertation of this year. It goes into a windows ...
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Can a browser modified or create extension to give option to save playing videos?

Nowadays, most sites encrypt or use DRM for playing videos. But browser can not play the file directly, it must be decrypted. Whatever the process is, ultimately browser need an actual playable video ...
Kashyap Kansara's user avatar
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Are RSA and ECC certificates interchangeable?

Can I use a ECC certificate if a service/software (according to documentation) requires an RSA certificate? Does the software need explicit ECC support?
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How can I use zero-knowledge proof as a user to encrypt a text document?

I have a text document for which I don't want to reveal the whole contents, but I want to release some information about it in advance to claim the originality later. For example, if the text document ...
Jineon Baek's user avatar
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Why my brand new laptop's hard drive came encrypted by BitLocker but does not display a padlock in the drive's icon?

My laptop's C drive's icon came out of the box looking like this (please disregard the drive size -- as I have played with the partition size) From Windows Disk Management (shown in the image below), ...
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Securely store a token in a Windows machine

I developed a small program hosted in my company's on-prem Windows server in Python. The program involves an API call using a private token generated for me. I stored the Python source code in plain ...
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How to deactivate BitLocker when it's not showing up in Control Panel

I am trying to install Ubuntu on a new Dell with Windows 11. I have created the USB boot disk and want to install it alongside Windows 11 (rather than wiping W11). The installation goes well for the ...
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Security implications of decrypting a PGP/GnuPG-encrypted file inside command substitution in bash

I use aqbanking to download my bank statements over HCBI. Normally, aqbanking will ask for the bank login credentials during download but you can also store these inside an unencrypted pinfile and ...
Viktor Rosenfeld's user avatar
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Duplicity - GPG key encryption with multiple devices

I'm struggling to have a working and robust configuration for my backups using Duplicity, knowing that I want asymemtric GPG encryption based on key pairs. And to be able to backup securely from ...
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Wireguard: How do I verify web traffic & would it be considered encrypted?

I setup a connection between my Windows PC & a VitualBox Debian Server running WireGuard using this walkthrough. The connection appears to be working because the Windows WireGuard Client GUI shows ...
Jon Vojtush's user avatar
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Lenovo Laptop Windows Encryption

Do the Lenovo legion 5 laptops support windows encryption ? Basic device encryption on windows 10 or 11 requires the following: Trusted Platform Module (TPM) version 2 with support for Modern Standby....
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Removing Bitlocker fom Surface Pro

I am new here. I am using a Microsoft Surface 5th generation and it was not going further after the login screen and it will not let me enter the password. When i tried to reset it using Shift+restart ...
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How to use the same password for multiple hardware encrypted SSDs?

I have recently updated storage on my PC, and the new drives support hardware encryption. I would like to use it, and it was fairly trivial to set up: click a couple things and enter a password in the ...
ARentalTV's user avatar
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How secure is it to open my ssh port on my server if it uses public private key encryption?

I have multiple Linux servers and would like to be able to access them from the outside using my public IP address, these servers are secured with public private key encryption and can not be ...
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Is it possible to open encrypted files from the last windows?

I have just updated my windows version form 7 to 10.But the problem is I had some encrypted files in the last windows(7) and now I can't access them in the new windows.I would really appreciated if ...
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Best strategy after losing GPG/PGP key passphrase (but still access to YubiKey)

When I got my first YubiKey several years ago, I created a new GPG key specifically for it. After uploading the private key to the YubiKey (keytocard), I also stored an armored copy of the private key ...
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Encrypt code files that will be available only for running and not reading - WINDOWS

I have end users of my system, for run the system the end user have to run some script with bat file, the script runs some code. I need to encrypt all the files in the directory that contains the code,...
Guy Cohen's user avatar
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How to encrypt all partitions with BitLocker in Windows 10?

My storage is separated physically into two SSDs (let's say SSD 1 and SSD 2) and logically into three partitions (C, D, E). I can encrypt the partitions C and D, that are stored on the SSD 1. But the ...
automatix's user avatar
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Unable to restore the veracrypt volume after quick format

Encrypted 256 GB volume of a 1 TB HDD using VeraCrypt. (standard AES) Password is known. No rescue disk, keys available. Problem: My friend formatted the encrypted drive using the quick format and ...
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Cannot open or copy file, but can move and delete

(See below for a possibly decisive finding about encryption.) A service I have written outputs a log file. I am trying to look at that log file. Unfortunately, Windows refuses to let me see that log ...
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SanDisk Extreme Portable SSD Bricked From Encrypting With Password Longer Then 25 Characters

I recently got one of the 1tb SanDisk portable SSDs. They come with built in encryption software that requires you to create a passcode for it. I have a fairly long passcode that I use, and I saw that ...
Noah Fodor's user avatar
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Get https certificate for GitLab server over tor/onion domain?

To host a GitLab server over Tor I would like to get an https certificate. Gitlab provides the opportunity to use a let's encrypt certificate. Let's encrypt requires a domain for registration, hence I ...
Maximilian brutus III's user avatar
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How do I recover a Windows 10 encryption key from an old hard drive?

I recently upgraded an OS hard drive and did a clean install of windows on the new drive. I have a secondary (non-OS) hard drive that stayed in the computer untouched. It appears there's a folder on ...
user11015833's user avatar
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Bitlocker on second drive

I had Win 10 installed on one hard drive, and my personal data saved on a second drive. Both hard drives were encrypted with Bitlocker, although TPM had to be disabled. Upon powering the PC, I would ...
sativa100's user avatar
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How to download aes encrypted m3u8 using ffmpeg?

I tried to download a m3u8 video that seems to be AES encrypted using ffmpeg. I tried several method and could not figure out how to download it, eg this method: How to download aes encrypted m3u8 ...
midnight's user avatar
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1 answer
462 views

How to encrypt a mail in Thunderbird?

I have been using PGP for a long time now but recently Thunderbird replaced the Enigmail encryption-plugin with a native PGP solution. That's maybe good news, however, I cannot figure out how to ...
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How to change password of multiple ZIP archive files at once?

I have 50 password protected ZIP compressed archive files. By design, all the files have the same password. I now want to change the password for all those ZIP files to a different password (again, ...
End Anti-Semitic Hate's user avatar
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Self Encrypting Disc (SED) enabled SSD password / key requirements

Several SSD manufacturers have released Self Encrypting Disks (SEDs) which use hardware encryption on the disk. This is OS agnostic, and should generally be faster than software based encryption like ...
user1173240's user avatar
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"Content copying" vs "Content copying for accessibility"

I am exploring the protection of PDF in Adobe Acrobact DC Pro. In the document Restrictions summary, I encounter two characteristics as "Content copying" and "Content copying for ...
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Can I decrypt a gpg encrypted file on any computer?

I am storing some 2FA recovery keys inside a txt file, which I then encrypted using gpg -c file, I can decrypt it fine in my own computer (virtual machine actually). But I was wondering, if something ...
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Backing up encrypted system disk (veracrypt) using Macrium Reflect

New to imaging system disks and encrypting. I want to encrypt my C: system disk and then be able to back this up as easily and safely as possible. Using Veracrypt and Macrium Reflect. Done some ...
Syn's user avatar
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Thunderbird 78 unable to decrypt multipart PGP email

A colleague of mine is unable to read GPG-encrypted emails sent to them by another member of our team via our mailing list, saying this1. The recipient, unable to read emails, is using Thunderbird v78....
theblacksquid's user avatar
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1 answer
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Error with Encrypting Device with Veracrypt

I am trying to encrypt a 128GB USB Drive. I get the error "Formatting the device might cause system instability and/or data corruption. Please either select a partition on the device, or remove ...
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