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Questions tagged [encryption]

the process of converting information using an algorithm (or cipher) to render the information unreadable to anyone who doesn't have the algorithm (also known as a key)

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Automatically Mount Encrypted Core Storage Volume (10.14.4+)

Prior to Mojave 10.14.4, macOS would automatically attempt to mount locked Core Storage volumes, and if the necessary password was found in the current user's keychain this would occur automatically. ...
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Encrypted drive log of mounts/unmounts?

Do encrypted volumes contain any log telling when they were mounted and unmounted? I have several encrypted USB thumb drives and I would like to know whether someone has tried to put them into ...
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1answer
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How do I use my GPG agent for SSH everywhere?

On my system, I'm trying to set up SSH authentication through my GPG agent (installed via brew). So far, I have this working in my terminal thanks to adding the following lines to ~/.profile: # ...
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1answer
38 views

unlock macOS encrypted Volume on linux

How can i unlock a Partition that has been created and encrypted using Apples Disk Utility on a linux machine? There are 2 formats one can encrypt Volumes with Disk Utility : CoreStorage encrypted ...
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Disk encryption format for external drives that works on both macos and linux

Is there any disk encryption scheme or format that can be used on both macos and linux? Linux cannot read Apple's drive encryption format, and LUKS is not supported on MacOS. I tried using VeraCrypt ...
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Private / Public Key

Provisioning profiles are available in ~/Library/MobileDevice/Provisioning\ Profiles. But, when creating a Certificate Signing Request, where are the public and private key stored on Mac OS? Meaning,...
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Creating Encrypted Time Capsule disk is taking DAYS!

I bought a G-Drive 8TB external USB-C hard drive to use as a Time Machine disk for my new 15" 2018 MacBook which is appointed with 32GB of RAM & 4TB SSD storage. Snappiest MacBook you can buy, or ...
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Full Disk Encryption with Time Machine Backup

I don't know the appropriate setup to encrypt whole disk drive using FileVault 2 and Automatically backup it without issues. Currently, I'm using a 2nd-gen Intel i7 MBP running macOS High Sierra 10.13....
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Decrypting external HD via terminal, seems stuck

I originally started to encrypt an external drive via right clicking the image and hitting "encrypt". It got to about 4% progress when I decided to reverse the process. Running OSX Sierra. I ran a ...
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Certificate encrypts, but won't decrypt emails

I obtained a .p12 file from my employer for its internal public key infrastructure that should allow me to sign, encrypt and decrypt emails. I have installed it as a profile on my iOS device and can ...
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2answers
54 views

FileVault alternative

Re. this question on Super user, I can't use iPad + Luna as primary monitor and FileVault simultaneously. My question is then, is there another way to conveniently encrypt the Document folder on the ...
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macOS Mojave hibernatemode 25 | Dark Wake/ sleep wake

I have set hibernate mode to 25 and the standby time to 0 in macOS Mojave. Now my idea is that the Mac goes to deep sleep (no power to RAM). Most of the time it works; if I open the lid I see this ...
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Timemachine backups to Encrypted APFS partition. Checkbox turn off encryption

I am trying to use a newly created APFS encrypted case sensitive APFS partition with Time Machine backups. If I do not check the box encrypt backups, it prompts for the password to turn off encryption....
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Multiple Time Machine backups, both encrypted and unencrypted

I have an unencrypted Time Machine backup with a long history. I'm planning to add a brand new disk to the Time Machine, and use both to do backups simultaneously. The new disk will be stored in an ...
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1answer
173 views

How does FileVault work compared to LUKS

I currently use LUKS to encrypt my the drive of my Linux computer. I am planning to buy a Mac and want to enable full-disk encryption. With LUKS you will be prompted for your password before the ...
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1answer
188 views

Updating to Mojave & enabling FileVault at the same time

Recently I decided to update to Mojave. Additionally, FileVault encyption was mandated remotely. Upon the reboot all hell broke loose. The output of "diskutil apfs list" tells me Macintosh HD is "Not ...
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APFS encryption problem - two external disks stuck at 10%

macOS 10.13.6 (High Sierra) both disks are seagate 4TB (each with less than 1TB used) I foolishly decided to encrypt both my external hard disks (that hold the same data) simultaneously. I worked ...
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+50

How can I decrypt my HD?

I'm trying to decrypt my disk and turn off FileVault, but I can't do that. Firstly, the Turn Off FileVault... button is disabled. Locked Unlocked Secondly, I try sudo fdesetup disable with Terminal ...
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APFS encryption passphrase questions

Out of curiosity, I have a couple of questions regarding APFS passphrases. Using diskutil I found out that each APFS encrypted volume includes several cryptographic users, which at least in my system ...
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354 views

Does FileVault encrypt the disk instantly?

I have recently found that FileVault is disabled on my machine. Although I remember that I set "encrypt" option when I was setting the machine up. I opened System Preferences and enabled FileVault. ...
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1answer
62 views

How to use HFS+ encrypted partition as Time Machine backup drive

I formatted one partition on my external drive as MacOS Extended (Journaled, Encrypted). Now when I open Time Machine and want to use that partition I see a checkbox Encrypt backups. Because I don'...
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1answer
52 views

iPhone thief phished iCloud password. Can they decrypt iPhone contents?

Long story short, a close friend had their iPhone stolen a few months ago. Just yesterday they got a text saying their phone was found with a link claiming to show the phone's location. Unfortunately, ...
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1answer
994 views

APFS Encrypted vs APFS + FileVault?

I upgraded the SSD in a Mac Mini and I'm reinstalling Mojave via internet recovery. The disk is completely erased right now, and when creating a new partition it asks me if I want to choose APFS or ...
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1answer
39 views

Encrypt drive with private key?

Is there any way to encrypt my drive with a private key, and no external tools (to be installed), and then unlock via command-line? I'm referring to my second drive and not my boot drive. I’m not ...
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1answer
43 views

How an I confirm my Bluetooth 3.0 Keyboard is encrypted?

I have a MacBook pro Retina 15, Late 2013 running Mojave. I also have an off brand Bluetooth 3.0 Keyboard ( GeneralKeys PX-4068-675 ). The keyboard connects fine to the MacBook WITHOUT asking for a ...
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Password protecting a macOS .dmg file with a keyfile instead of a password, without using veracrypt

I need to create either an ISO, ZIP archive, or DMG image on Mac OS that is LOCKED, and can only be unlocked and decrypted using a special external keyfile. Essentially, this is the exact same thing ...
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Opening/saving encrypted zip file from iOS mail app

I have a problem with opening an encrypted/protected by a password zip file from an e-mail in an iOS mail app. I can enter the preview of the file, however it is a blank page with the file name only ...
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1answer
134 views

Mounting encrypted HFS partition after messed up partition table

I have an external 2 TB Harddisk that had a 1.5 TB exFAT Partition and a 500GB HFS+ encrypted Partition. I wanted to shrink the 1.5 TB to 1 TB. I used https://www.diskgenius.com/ to shrink the exFAT ...
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1answer
105 views

MacOS automatic external drive encryption/decryption

Question MacOS does offer automatic disc encryption for at least 2 "types" of hard drives in the system: Internal APFS Hard Drive with FileVault External Time Machine Hard Drive (If set up in Time ...
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How can I verify the backup password for an iOS device?

In iTunes, my iPad shows itself as backing up to "This Computer", and the "Encrypt Local Backup" button is checked. I believe I know the password, but I would like to be sure. How can I verify that ...
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1answer
64 views

Is iMessage open source?

My Google searches didn't turn up very many results on the subject. If it is open source, can someone link to the documentation?
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1answer
37 views

Are iMessage encryption keys sent to all listed devices even if they're broken?

Are iMessage encyption keys sent to all authenticated devices listed under Apple ID, even if the device isn't powered on and is broken?
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How to encrypt external network drive timemachine backup

I am following this: https://www.makeuseof.com/tag/turn-nas-windows-share-time-machine-backup/ Which basically says that you have to create a sparse disk image and put that on your external network ...
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1answer
35 views

Decrypt files recovered from encrypted external hard drive

I am trying to recover the data from one of the external hard drives of my company. I ended up using DiskDrill to extract all the files into a new, non-encrypted hard drive. Unfortunately I made the ...
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1answer
206 views

External drive APFS encryption secure?

I just erased a newly purchased external USB disk using the Disk Utility program and set it to use the file system APFS Encrypted. I entered a strong password and the whole process took about a minute,...
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1answer
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What is the character limit for an encrypted USB drive password in Disk Utility?

Is there a character limit for an encryption password when formatting a USB drive as Mac OS Extended (Journaled, Encrypted) in Disk Utility? I was able to use a very long 65-character password but was ...
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1answer
215 views

Newly-created SSH keys landed in my home folder rather than `.ssh` folder after creating with `ssh-keygen`

I used the ssh-keygen utility bundled with High Sierra to create keys, as directed by this page title How to Create SSH Keys with OpenSSH on Linux or macOS at DigitalOcean.com. Oddly, the prompt to ...
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1answer
54 views

Disable ECDSA SSH Host keys

I would like to disable ECDSA SSH host keys. I deleted the existing keys: $ sudo rm -f /etc/ssh/ssh_host_ecdsa_key* I uncomment ECDSA in /etc/ssh/sshd_config $ grep -i ecdsa /etc/ssh/sshd_config #...
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1answer
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Is there a way to encrypt a folder and then only allow certain processes to have access to that folder?

I'm aware of technique for creating encrypted folders using disk utility. But I believe once it is unlocked and mounted, any process owned as you or root could read that folder. I'm looking for a ...
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Why am I getting “Time Machine is backing up an encrypted disk to an unencrypted disk” when I'm not using encryption?

I have a new MacBook Pro 2018 model. It is using APFS but I have not enabled File Vault. I'm backing up to a Synology NAS, just but when I run my backups, I get the message: Time Machine is ...
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1answer
49 views

iPhone - Whats the matter with the Passcode?

I'm just thinking about the passcode to unlock the iPhone. You have to retype the passcode regularly. Winter is coming - so wearing touch-gloves are fine for using the iPhone. To unlock the iPhone, ...
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1answer
26 views

Cloud storage encryption

Is it recommended to encrypt files stored via cloud. For example, although certain cloud repositories encrypt data in transit - should I still use a secondary encryption tool for cloud storage? ...
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1answer
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Encrypting issue, laptop restarting all the time

I started an Encryption process on my 12TB RAID 1 LaCie 2Big (APFS) a few days ago. The drive contained 2.5TB data. The laptop was crashing and restarting several times. Then I plugged the drive ...
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264 views

FileVault stuck on decrypting 90%

I couldn't partition my hard drive because FileVault was turned on. I then started decrypting, but it got stuck on 90%. After 4 days at 90%, I can still access my device, but it's laggy and ...
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0answers
659 views

MacBook Pro 2018 Windows Boot Camp with FileVault 2 and Bitlocker without TPM

I just got my new MacBook Pro Mid 2018, encrypted my Mac OS Mojave partition with FileVault 2, installed Boot Camp and Windows 10 Pro and wondered if it is possible to encrypt the windows partition as ...
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1answer
390 views

Missing “view” button in disk utility

I'm unable to encrypt an external hard drive because the encryption option seems to be missing. Various answers pointed to doing something with the 'partition' button, but that button is greyed out. ...
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1answer
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Is it OK for Time Machine to take a long time to decrypt a freshly formatted encrypted disk?

I'm new to Time Machine. I just this week got an external hard disk and am starting to use it. My Time Machine backups were spending a significant amount of time in the encryption phase. Upon reading ...
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1answer
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Spotlight not finding folders, files, or apps in High Sierra

I can't be sure it's related but after I turned on File Encryption Spotlight just stopped working on files folders and apps. I tried all the advice I saw in this post on this forum and more, including ...
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iOS settings to make default data routing on iPhone connect via a Tor node

Is it possible to set up my iPhone to route data to a Tor network by default before it is sent to some other app database or internet? If so, how would I configure my settings to connect to a Tor ...
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How to import self-signed certificate over SSH? (bounty)

I'm trying to remotely (SSH) import a custom certificate into Firefox and/or Chrome. It looks a similar question has been asked before, but didn't get an answer. I put a 150 point bounty on it in ...