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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5
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2answers
673 views

Logging in to main user turns off the mac

I am not a mac user, and honestly, I have no idea how to use one (besides the terminal). So, a friend asked if I could help them out with fixing their computer. She says the last thing she was on, was ...
2
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1answer
29 views

I accidentally caused one of my encrypted drives to start converting into a decrypted drive. How can I stop it?

One of my external hard drives used for Time Machine backups has an encrypted HFS+ volume. While in the process of trying to re-associate the backup with my system, I accidentally told it to start ...
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0answers
74 views

Performance differences between APFS Encrypted and FileVault?

Another question asks, "Should I go with APFS then enable FileVault later on, or simply partition the disk with APFS (Encrypted)?" Is there any difference at all in terms of performance or security ...
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1answer
25 views

Difference in encrypting a sparse bundle for Time Machine before or after mounting the drive?

I created a sparse bundle to use as my Time Machine back up hdiutil create -size 800g -encryption -type SPARSEBUNDLE -fs "HFS+J" -volname TimeMachineEncrypted TimeMachineEncrypted.sparsebundle When ...
4
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3answers
582 views

Why is my external HDD active when I'm not using it?

I have a partitioned external HDD (orange LaCie), with one partition for Time Machine. All partitions are Mac OS Extended (Journaled, Encrypted). The HDD is GUID Partition Map. I'm not (consciously) ...
1
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1answer
37 views

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 ...
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0answers
19 views

Formatting disk to Mac OS Extended Jorunaled, Encrypted taking very long. Is it normal?

so long story short, my newly purchased external SSD got corrupted a day after formatting it and wouldn't erase. I read somewhere on this site that if I tried to format it to Mac OS Extended (...
2
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1answer
39 views

Once backward conversion of encryption has started, can it be stopped?

I have accidentally given my external Extended journaled hard drive (with password) the command to "decrypt" the disk. When you restart the decryption starts immediately on the external, how can you ...
6
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2answers
649 views

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 ...
1
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1answer
27 views

FileVault 2 Full-Disk Encryption Alternative with LDAP Support

Has anyone come across a full-disk encryption alternative to FileVault 2 for macOS with better LDAP user support? I've been trying to identify a solution for macOS Mojave that: offers pre-boot, full-...
36
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7answers
31k views

Email encryption options on an iPhone

I've started taking security more seriously lately. (Why only now you may ask? Because I'm a trusting fool that's why.) I've now got emails signing automatically and encrypting where I have their key. ...
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0answers
25 views

How to prevent auto mounting of encrypted APFS volumes by diskarbitrationd

running 10.14.5 on a 2019 iMac. diskarbitrationd is responsible for noticing the appearance of new block devices and mounting them. this kind of auto mounting can be prevented by configuring /etc/...
3
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2answers
489 views

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. ...
1
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1answer
29 views

How can I mount an encrypted disk image so that it is read-write?

I have created an encrypted disk image containing a folder whose contents that I want to keep secure, using the disk utility app. I am able to mount this either by clicking on the image or by using ...
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0answers
20 views

How does the iTunes “Restore” erase method on MacOS compare to “Erase All Content and Settings” within iOS from a security view?

The “Erase all content and settings” option in Settings obliterates all the keys in Effaceable Storage, rendering all user data on the device cryptographically inaccessible. Therefore, it’s an ...
0
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1answer
24 views

Slow read performance in Mac OS X terminal, with external encryption enabled hard drive

Anyone experienced really slow performance with Mac OS Extended (Journaled, Encrypted) file systems? I have git LFS project on my hard drive and for some reason even as simple as cd project-folder ...
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0answers
14 views

How do scheduled backups work on encrypted dmg and filevault 2

Under mojave with CCC5 on a 2019 iMac, I intend to clone an encrypted startup disk (filevault2) to a destination volume that will also have filevault enabled. When the system boots up the startup disk ...
0
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0answers
24 views

Keychain password from my Gmail address is gibberish

I have a fairly simple password for my bla@gmail.com address, let's call it foobar123 If I open 'keychain access' app on MacOS, under keychains -> login, category -> all items, I can see bla@...
1
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1answer
53 views

Decrypt Safari's Form Values file

Back on Mac OS 10.7, there was an encrypted file called Form Values in the folder /home/Users/${user}/Library/Safari. This encrypted file contained all "auto-fill" form values in Safari. I don't know ...
6
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1answer
2k 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 ...
60
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9answers
67k views

How to view progress when encrypting a disk?

Mountain Lion allows one to encrypt any disk by right-clicking on the disk in the Finder and selecting Encrypt from the contextual menu. Is there anyway to check on the progress of this encryption ...
0
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1answer
126 views

How to force Disk Encryption password on boot for ALL users?

I want my MBP to be unlocked with Disk Encryption Password before getting access to the login screen. (read : I want to have two passwords prompts before the MBP can be used) Therefore, I made a ...
2
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1answer
2k views

How exactly do you create a portable cross-platform USB stick with VeraCrypt?

I originally asked this question which never got an answer beyond the fact that you apparently can't do this on a Mac. So finally I've given up and have fired up my Windows gaming box just for this ...
3
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1answer
1k views

How secure is File Vault 2 on Mac, given the fact that resetting/finding out someone's login password is not impossible?

There are ways to break File Vault 2 encryption: https://www.blackbagtech.com/blog/2017/07/13/macquisition-best-just-got-better/ Since you can reset a password when it's locked, I wonder in practice ...
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2answers
2k views

How can I *unlock* a CoreStorage logical-volume without mounting it?

I had a damaged disk that's encrypted with CoreStorage / FileVault. DiskWarrior was unable to operate on it while encrypted, obviously (“This is an offline, unavailable Core Storage disk.”); but the ...
2
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1answer
67 views

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: # ...
2
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1answer
24 views

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 ...
2
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1answer
58 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 ...
0
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1answer
162 views

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 ...
2
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2answers
76 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 ...
0
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1answer
71 views

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 ...
8
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4answers
23k views

Open Bitlocker USB stick on OS X

I have a USB stick encrypted by Windows 7 built-in tool (bitlocker). I would like to open it on my OS X El Capitan. When I open it, all I get is a file "BitLockerToGo.exe" and another "Read Me.url" ...
0
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1answer
55 views

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,...
0
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1answer
30 views

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....
2
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0answers
962 views

Mail.app : What do the padlock icons mean?

If I encrypt an email with S/MIME an icon showing a CLOSED padlock is displayed under "Security". However, if I encrypt using OpenPGP it's an OPEN padlock icon. Both are followed by the word "...
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0answers
51 views

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 ...
1
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3answers
469 views

Time Machine: Enable encryption on a locally connected disk without deleting the existing content of said disk?

I have an external FireWire-disk directly connected to a computer for backups using Time Machine. So far, these backups have been unencrypted but now I want to start encrypting my backups (the current ...
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0answers
10 views

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 ...
3
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0answers
347 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
634 views

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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2answers
2k views

How to decrypt shared WiFi passwords?

With the introduction of iOS 11 and macOS High Sierra, a new feature was added: Sharing WiFi Passwords. This awesome and convenient feature comes with one draw back: The passwords are stored in ...
0
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1answer
108 views

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....
0
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1answer
45 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 ...
1
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1answer
135 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 #...
1
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1answer
141 views

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 ...
2
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1answer
372 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 ...
4
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4answers
12k views

Possible to find iPhone encrypted backup password in Keychain files?

is there a way to recover your iPhone backup password (for encrypted backups) in Keychain or anywhere on a new MacBook?
0
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1answer
36 views

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 ...
3
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1answer
23 views

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 ...
5
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1answer
11k views

Problem while updating to macOS High Sierra (Target is not convertible to AFPS)

I started my update at night and woke up in the morning to this screen, stuck at the same place for hours now. The error log is a long sequence of the same two lines. isConvertableToAPFS: was called ...