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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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Can I encrypt my whole GPT dual-boot system drive?

I have a dual-boot GPT system drive, with both a Windows 10 and a Linux, and I would love to know if there is any way for me to encrypt the whole drive (I'm talking about pre-boot secure) ? Thanks in ...
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I need help deleting all text/characters between certain characters on Notepad++

Ok, so here is the text I've got: --[[lWjY]] --[[jAouQKe]]--[[SyXZxSmUQ]] --[[BC]]--[[jiynRfVxz]] --[[KhIysiNCC]]--[[ddmGYn]] --[[cYv]]--[[_y]] --[[q-tAXL]]--[[bNgAZ_aY]] --[[C]]--[[iY]] --[[LZIpK]]--[...
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Can encryption from Self-Encryption Drive (SED) be removed?

Can the actual encryption process be removed? Not the Authentication Key (AK) but the actual process embedded in the disk. Per my understanding it cannot be removed but I am confused with this post ...
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GPG key: No secret key

My OS went bonkers and I had to fully reinstall. This means I did not have the chance to export the current key I had and import it on the new installation. I generated the key locally, pushed it and ...
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What security risks are exposed if the attacker gained physical access to computer? [closed]

I know that they can do Evil Maid Attack, tamper with unencrypted /boot. But these methods are to gain access to password used for decrypting encrypted volume (LUKs) I am curious as to what they can ...
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Is it possible to emulate Windows Deployment Services (WDS) on a Raspberry Pi to use Bitlocker Network Unlock on my Desktop PC?

I would like to use Bitlocker Network Unlock to automatically unlock my desktop PC when powering it on, in my LAN network. I want to avoid installing a full Windows Server machine just for that. I ...
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Manage BitLocker disabled suddenly

I'm on Windows 10 Enterprise version 1909. I have a drive locked by BitLocker, after installing Advanced SystemCare or Windows 10 Manager software to optimize my system, I disabled some windows ...
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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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Real-time progress bar on windows batch

Well, i'm very new for batch stuff.. i'm still learning while i'm writing a decryption batch. anyways, i want to make a progress bar while the command is processing but it seems impossible (at least ...
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Given a public key in hexadecimal, how can I get an .asc file?

Given a public key in hexadecimal or base 64, how can I generate an .asc file for use with PGP programs? For example, let's say I have someone's RSA public key, in hexadecimal: 04 40 ad 77 10 45 08 f2 ...
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AWS EC2 windows - secure encryption at rest with password at boot

I'm looking for a way to use encryption at rest at aws for windows instances, but I want the instance to be protected from a hacked admin account (although unlikely due to 2fa) or aws itself (yes, ...
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Excel 365: Is there a way to fully protect (hide or encrypt) the url provided for a Data Source?

I'm importing data to Excel 356 using a data source "From webb". The url provided includes an API key that I do not want to share with others when I share the Excel file. I can use Protect ...
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Openssl Using openssl for DES/3DES giving odd results?

I'm working on implementing a support lib that includes DES and 3DES functionality. As a validation step I went to use openssl to check my results. For a simple test I did this: echo -n "AAAAAAAA&...
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Can browser cookies be protected (in Firefox)?

I read an article about identity hijacking that caught my mind. Today I save my credentials locally in Firefox (using a master password). I also use multi-factor-authentication for important sites. I ...
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Is there any way to get the BitLocker password from the laptop?

I have a personal hard disk of 1TB with lot of data. I connected it to my office laptop and the drive got bitlocked automatically within a second. I talk to the office administrators and we ran the ...
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How to unlock Bitlocker encrypted partitions for backup?

Since the release of Windows 11, it seems that these days, computer manufacturers (I've noticed both in HP and Dell computers) have Bitlocker Device Encryption turned on by default. That creates major ...
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Benefits of Windows 10 "Encrypt contents to secure data" file option with BitLocker

I'm using Windows 10 and BitLocker for full-disk encryption. Recently I found that there is "Encrypt contents to secure data" attribute for files and folders. If I'm already using BitLocker,...
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RE: host pip server on cloud

we are moving from on premises to a cloud. we currently host some of our custom build python packages on on premises pip server. but as we move to cloud we would like to have these custom pip packages ...
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How can I set up a RAID 1 mirror with data resiliency to ensure that my data is safe from corruption and drive failure?

I'm new to RAID arrays and data redundancy and I have a multipurpose home server running 24/7 with 3 TB of storage (one 1 TB 7200 RPM and one 2 TB 7200 RPM HDD) based on Linux. The hard drives on the ...
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Encrypt SVN to store passwords

could anyone advise how to encrypt SVN (amazon Linux 2) , Plan to encrypt or disable the SVN from asking if unencrypted passwords should be stored? We never want a user to be able to do that. Is there ...
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How does Tor's second node know the key to decript the second layer?

I was watching this video explaining how tor works: https://youtu.be/QRYzre4bf7I It explains it with the example of 3 intermediate nodes between client and server. It says that each of the nodes can ...
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Thunderbird error when importing gpg key

I am using the latest version of thunderbird and trying to import a PGP key. I forgot my master password and so reset it using chrome://pippki/content/resetpassword.xhtml (from the official support ...
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Can’t see files in encrypted drive when mounting it in EndevourOS

Using Linux Mint I encrypted a 500 GB Kingston SSD drive with LUKS. But I changed the operating system in my machine to EndevourOS (an Arch distro). I can mount my drive through the File Manager, ...
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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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SSL one-way decryption in transparent proxy

I'm looking for an SSL decryption proxy that is transparent at layers 3 and 4. E.g. the client will be sending an HTTPS request to the server, but the proxy will decrypt it and forward the decrypted ...
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How can I ensure that /tmp directory is encrypted, too, but not the whole file system?

I installed Linux Mint and at the beginning set the option to have the whole file system encrypted. The reason for this was that I want to have extended privacy in case the disk of that computer gets ...
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7z with encryption: System ERROR: The parameter is incorrect

Doing 7z a test.zip test.txt -mem=AES256 -pPassword works and create an encrypted ZIP archive. But: 7z a test.7z test.txt -mem=AES256 -pPassword fails on Windows with: System ERROR: The parameter ...
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How can I recover files from Bitlocker encytped HyperV virtual disk?

I have a virtual disk that I created with HyperV. I encrypted this disk with Bitlocker and put my files in it. I deleted all these files by doing Shift+Delete with a momentary anger and turned off the ...
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How to access xfs partition encrypted with LUKS backed up with dd

How to access xfs partition encrypted with LUKS backed up with dd? Some time ago I've backup up two disks from old laptop. One of them was encrypted with LUKS and inside it there was xfs partition. ...
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Mutt PGP Error: "Could not decrypt PGP message" & "Could not copy message" on Ubuntu machine but works on macOS machine

Configuration files are identical on both machines since they are shared from a cloud drive. Messages sent as a test to myself from the Ubuntu machine 'can' be decrypted and read on the macOS machine ...
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How to Disable any MD5 or 96-bit HMAC algorithms within the SSH configuration

I received a vulnerability for one of the serverstoday as below: Disable any MD5 or 96-bit HMAC algorithms within the SSH configuration How can I check if these algorithms are present in other ...
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Data recovery from my SSD encrypted with Veracrypt is not working having the password

I have one SSD and one HDD. My SSD is encrypted with Veracrypt. Yesterday my SSD just stop to work and I can not do much from my SSD so I have installed Veracrypt on my HDD in order to get back all my ...
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How can I recover my password for TrueCrypt Rescue Disk?

I just found my 10year old HDD which has been fully encrypted with TrueCrypt 7.1 (Hidden Volume) I inserted my TrueCrypt RescueDisk and had to put in my password, which I can't properly remember. I do ...
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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 ...
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Encrypting an email using Outlook's OME

We are looking to automate the delivery of users’ passwords after their accounts have been provisioned. Using the Outlook API we are able to encrypt emails to outlook accounts but not to external ...
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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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Set up mirroring RAID, all good. Can it be encrypted after the fact?

That's the question really. More out of fun, I reused an older dormant box to be my documents NAS at home. I attached two 2TB external HDDs and set up mirroring RAID. That all went well and I am happy....
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Drive encryption not avaliable in Windows 11 Home: Test Interface failed and device is not Modern Standby

I'm trying to encrypt a drive on mine laptop. I had this error: Un-allowed DMA capable bus/device(s) detected So I followed the steps described in This comment Now I'm getting new, but less ...
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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 ...
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Windows encryption of users data

I use a Windows 10 laptop that is also used by other people. All users have the administrator rights. I want to protect my profile folder C:\Users\myaccount from access by the other users, especially ...
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How to decrypt .REM File without Blackberry

I found my old microSDHC Card that had been encrypted with Blackberry 9220 when the phone still can be used (now dead). I still remember the password, but I dont have any idea how to decrypt it to a ...
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How do I make apache to use the domain ssl certificate?

I've registered a domain and my hosting provider includes an ssl certificate for me. I've set up the A dns redirection to the IP where I have a linux ubuntu VPS with an Apache server installed on it. ...
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Create encrypted archive on mac, to be read on Windows

On macOS Monterey, I need to create an archive, encrypted with a secure algorithm like aes256. That archive needs to be unarchived on a Windows system, using only programs that come default on Windows ...
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Does encrypting a partition prevent data recovery?

When a partition on a drive is not encrypted, and a file is accidentally deleted, it is relatively easy to restore the data. This is because, for most file systems, a delete operation simply marks ...
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Cold boot attack on a NAS unit

I'm familiar with the concept of cold boot attacks on laptop and desktop computers, where the goal is to find hidden encryption keys in the memory. I also think it's done on certain mobile phones. I ...
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Keep track of GPG keys

When running GPG I'm presented with the following screen: gpg (GnuPG) 2.2.20; Copyright (C) 2020 Free Software Foundation, Inc. This is free software: you are free to change and redistribute it. There ...
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Restore WhatsApp Session (Desktop app) in Another Windows installation

I logged in to WhatsApp desktop (Windows) app while the "Linked Devices" feature was enabled in my phone (by scanning a QR Code). This creates "/Appdata/Roaming/Whatsapp" folder ...
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Linux stacked filesystem to mirror existing directory but encrypted?

I am sync'ing files from a local machine to cloud storage. There is a tool that will read files from the filesystem and send. What I want to do is, instead of presenting the unencrypted files to this ...
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How can I lock files under 'proof-of-work' where unlocking them would not take very long?

In other words, a way to encrypt files, not with the main purpose of security, but with the purpose that it would take a longer commitment to access them. For example, it would require around 24hrs to ...
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How to remove an e4crypt key?

I want to encrypt a folder on an ext4 file system. This is how I have set up the encryption: [root@test /]# e4crypt add_key Enter passphrase (echo disabled): Added key with descriptor [...
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