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)
Questions tagged [encryption]
697 questions
5
votes
1 answer
Does a DMG encrypt filenames?
I created an encrypted DMG on MacOS and sharing with my team (sharing password separate from DMG).
My question is: if this file gets in the wrong hands, can someone figure out the filenames inside the DMG without the password (assuming they can’t…
AAA
- 340
3
votes
1 answer
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 into my iMac 2011.
The iMac is not restarting, but…
Daniel_Nagy
- 31
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3
votes
2 answers
Will encrypting hard drive reduce disk size?
I have a 1TB harddisk that has 20GB space left. I want to encrypt this disk. Will encryption take up more space, and if so, is there an estimate, a percentage or something how much it will cost?
SPRBRN
- 1,230
2
votes
1 answer
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?
thang
- 123
2
votes
2 answers
Brand new hard drive encryption taking too long on time machine
I have a brand new hard drive with nothing on it. I also bought a brand new external hard drive to use with my MacBook Pro. I'm in the process of backing up to time machine and the encryption is taking forever. Why is it taking so long when there's…
Yoon Park
- 21
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vote
0 answers
Is there a way to have an encrypted folder on macOS with fast read/write operations?
I've tried and used Disk Utility to create an encrypted image, so I can store data in it securely. However, when I tried to write files to this image, the write operation was too slow (to write ~50 GB of data, it would take 1 day as estimated).
My…
ammar
- 485
1
vote
2 answers
Does FDE encrypt all partitions?
I have two partitions, one for boot.
Now I've enabled full disk encryption, looks like the one for boot is encrypted. But what about the other one? I'm not sure if it's also encrypted.
How can I verify that?
daisy
- 987
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vote
1 answer
Do the symbols shown when viewing an encrypted file have any meaning?
Just for my curiosity and knowledge, from a Software and Hardware stand point prospective, I opened some encrypted files such as Keychains, FileVault, etc. I do understand that these are encrypted files and they are impossible to decrypt.
I do…
user2823725
- 649
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vote
1 answer
Can I decrypt single EncFS files?
I had a directory encrypted with encfs by MacFusion. I deleted some encfs file from there (something like .encfs6.xml, can't remember). I still have files and remember the password.
Now when I want to mount this directory as encfs one, encfs wants…
amorfis
- 121
1
vote
1 answer
Files encrypted in a folder - how to reverse it?
I've been playing with a computer game (Kerbal Space Program, OS X 10.9.3) and recently found that I can no longer load saved games (missions). I contacted the tech support and all they could say is that the folder containing the saved game files is…
alkopop79
- 187
0
votes
1 answer
Encryption on iPhone without a lock screen password
Is encryption on iPhone enabled by default even if there is no lock screen password?
0
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1 answer
How to send Data block to secure Enclave Processesor
How to send data block to Secure Enclave processor to use its AES engine for encrypting/decrypting data using its Hardware keys.
SE don't share keys to anyone.
So I think the only way to decrypt or encrypt data by sending it to SE
Sam
- 1
0
votes
1 answer
What encryption method was used in OS9 Apple File Security?
I am trying to decrypt files that were encrypted on Mac OS 9 with its built-in 'encrypt' function (part of the "Apple File Security" application). I have the password and an OS9 emulator, but it doesn't recognize the files as encrypted (the files…
Amyunimus
- 163
0
votes
1 answer
external disk still spinning after ejecting during encryption
I was recently fiddling with my external drive and retroactively encrypting the partitions. I have two on there, one from my previous 2010 macbook, and my current 2015 macbook. For the 2015 one, I followed CCC directions and encrypted by using it as…
Dylan_Larkin
- 298
0
votes
1 answer
Very slow file copy to encrypted disk image
I have a new iMac running El Capitan. Bought a SanDisk flash drive for backup. I created an encrypted disk image on the flash drive.
Here's the problem: copying 10GB to the unencrypted part of the flash drive takes about 5-6 minutes. Copying the…
UncaMikey
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