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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Xml encryption without session Key [closed]

0 I write some code to encrypt/decrpyt xml files and when I run the encryption and decryption together on my local machine it throw CryptographicException "Unabled to retrive the descryption key" and ...
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How do I encrypt Macbook?

How do I encrypt my MacBook, I have a windows computer for which I use BitLocker is there something similar for Apple? Macbook Pro Running MacOs Mojave I'm looking to encrypt my entire mac
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Viewing Text Message Histories on Windows PC

I have an iPhone 6s, and there are some very, very, long text message conversations on there that I'd like to be able to read through on my PC for the sake of convenience. I've already backed up my ...
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FileVault - One account can unlock but preventing full login and forcing logout and login again with other user

When I installed macOS I was able to do it on a newly formatted and APFS encrypted disk. That worked fine. Then installation went forward and on reboot I was asked for a DISK PASSWORD. ...
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Encrypted sparse bundle disk image visible in the cloud?

I have an encrypted sparse bundle disk image that I synchronize with Google Drive. When I mount this image on my local machine, is it's content also visible in the cloud (decrypted)?
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Encrypted APFS drive will not mount, RepairVolume reports disk OK

I had to encrypt an external backup volume while traveling. Unfortunately, now the drive will not mount. It shows up in diskutil and RepairVolume shows the volume being OK. Despite the passphrase ...
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Create and encrypt volume group on backup drive

Currently, both Carbon Copy Cloner and SuperDuper! suggest to start from creating backup to unencrypted disk, then boot from encrypted disk and enable FileVault on it. I've ran into couple issues with ...
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Can the Apple T2 chip be used as a TPM to enable BitLocker?

I have a 2019 MacBook Pro, with the Apple T2 Security Chip. I have installed Windows 10 via Boot Camp, and that is working well. I would like to turn on BitLocker in W10 and take advantage of that ...
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Time Machine Photo Backups

I did a clean install of Catalina because of some performance issues I was having and now I can't get my iMac to recognize the Time Machine backups on my external hard drive. I restored everything ...
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Reply to signed E-Mail with Apple Mail

I have received a signed and well encrypted E-Mail. I now want to reply to this particular sender using his public key in Apple Mail. But when I press the reply Button, the encrypt icon stays grey. ...
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APFS Volume encryption failed to begin (-69596) — Solved

So I have a problem to encrypt an external Thunderbolt-HDD which was converted to APFS. Catalina is installed on that iMac late 2012. First I've tried to encrypt the volume in the Finder via context ...
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How to create sha-512 password hashes on Mac for CentOS?

I need to generate password hashes on Mac for CentOS. I can generate sha with echo foopass | shasum -a 512, but as I've understood password hashes are more just one sha application. I've found some ...
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Is my new Time Machine backup okay if my MacBook went to sleep during encryption?

I started a new Time Machine backup last night and enabled the third-party app Amphetamine to keep my machine awake for 9 hours. When I returned in the morning, it appeared that my MacBook went to ...
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Which encrypted items show a hint?

I encrypted some drives with Disk Utility and set a password hint. This hint does not show on a different computer. It's embarrassing because those were backup drives and losing the computer means ...
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Password recovered from Keychain fails to decrypt volume

I lost my Mac computer and recovered some items from a backup. One was an a disk image with extension .dmg, with 400 MB, encrypted with Disk Utility, and last changed on 8th November 2018. The ...
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Why is my iPhone backup encryption password getting lost or changing?

I use a password manager and simply put, don't forget passwords. I have the "Encrypt iPhone backup" option set on Itunes and never had a problem in the past on my last iPhone. There are no backups ...
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Using recovery key on erased FileVault encrypted SSD

My understanding is that with FileVault enabled one can restart a Mac into its Recovery System and erase the hard drive/SSD using Disk Utility. This procedure supposedly deletes the FileVault key, ...
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What are equivalents of losetup and cryptsetup for Mac OS X?

I use losetup and cryptsetup to create a loopback encrypted file system. Is it possible to do the same on Mac OS X? If so, how?
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Can a firm with encryption keys decrypt iCloud keychain data of Chinese users?

Apple has already given all data of Chinese iCloud users to Guizhou on the Cloud Big Data Industrial Development Co., Ltd., (GCBD), as well as their encryption keys, which means it can decrypt these ...
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How to set a different encrypted boot volume without unlocking?

I have two MacOS installs as part of a dual-boot configuration on my MBP. Both happen to be Mojave 10.14. They are installed on two encrypted APFS volumes in the same APFS container. I want to be ...
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How can I encrypt or prevent access to a user's files to another user in the system?

I need to take my macbook pro (MBP 15 mid 2015) to a mac repair shop for a screen replacement. I don't want to leave my files exposed to another user in the system. I plan to create a second admin ...
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328 views

How to restore external hard drive from Time Machine backup the right way?

My Time Machine backup (6 TB USB-HDD) contains the data from my Mac's internal hard drive (2 TB) and from an external hard drive (USB 4 TB, Mac OS Extended, FileVault Encrypted) that I always keep ...
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How to make a dump of my iPhone so as to make forensics

I would like to be able to run a forensic analysis on my iPhone from a disk dump copy made on my Mac or any kind of Unix as I would from any external disk with a dd command. For those who are curious:...
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How to Stop Encrypting process in external hard drive? [duplicate]

I Have an external 8T external hard disk on "encrypting" process since 10 days in my MAC ... and stuck in 27% ... * Seagate with APFS. How can I stop the process and access to my info ?
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Looking for Encryption application

I want to encrypt a file then email it. The recipient needs to decrypt it. Needs to be free. I'm looking for an encryption application that runs on Windows 10 and macOS 10.10 at a minimum. Would ...
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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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108 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 ...
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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) ...
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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 (...
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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 ...
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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-...
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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/...
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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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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 ...
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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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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 ...
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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@...
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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 ...
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383 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 ...
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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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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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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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270 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,...
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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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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 ...