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)

learn more… | top users | synonyms

2
votes
3answers
506 views

How can I get Apple mail or Outlook 2011 to look up SMIME encryption certificates for users?

I want the ability to lookup an encryption certificate for SMIME in Outlook for recipients who have SMIME certs, but I just don't have their public key. I noticed the keychain has a directory ...
1
vote
0answers
344 views

Timemachine backups on encrypted volume: What does 'decrypting' message mean?

I backup files on an encrypted volume with Timemachine (external disk, USB). The backup itself is not additionally encrypted. I noticed little message infos in the GUI window about "decrypting the ...
5
votes
2answers
808 views

GUI PGP / GnuPG application

I encrypt all of my documents before storing them in the cloud with GnuPG. My wife needs access to the documents, but running gpg -d foo.pdf.gpg at the command line is annoying to her. Does anyone ...
2
votes
1answer
1k views

How to delete a trusted s/mime certificate for a contact in iOS7

How do I remove a s/mime certificate for a contact in iOS7 mail.app? I'm using s/mime for two-way encrypted emails with several colleagues. A new colleague tried to install s/mime in Outlook for ...
2
votes
1answer
2k views

Cannot decrypt GPG file after installing GPG Suite from GPG Tools

I have installed GPG Suite by GPG Tools on my Mac. I sent my public key to my associate, who encrypted a file and sent it to me. The file, myfile.gpg is now sitting on my desktop and I'm told by my ...
2
votes
3answers
4k views

Whole disk encryption with a Windows only Bootcamp

I've purchased myself a Mac Book Pro Retina (Haswell) and after giving Mac OS a fair shake have decided to go full Windows 7 and Bootcamp. There is no Mac OS install left on this system. I am now ...
0
votes
2answers
337 views

Is S/MIME in iOS 7 buggy?

I recently imported my S/MIME certificate into iOS 7. I am able to read signed/encrypted message sent from my mac to the iPhone. BUT I am UNABLE to send signed / encrypted mails from the iPhone. ...
6
votes
1answer
5k views

Truecrypt error: the OSXFUSE file system is not available (255)

My truecrypt files were mounting fine until today when I tried to mount it and I got the error: the OSXFUSE file system is not available (255). The weird thing is I honestly don't know what I could ...
4
votes
1answer
3k views

“Encrypt backups” disabled for Time Machine on Mavericks; due to partition?

I picked up an external hard drive a while back and have been using it for Time Machine back-ups. Recently I thought to confirm that the disk is encrypted so that it won't be useful if someone nicks ...
1
vote
1answer
1k views

Is it possible to reset FileVault password in recovery mode?

I have problems with my startup volume, and it's encrypted with FileVault. I don't remember the pasword, but have the recovery key. Is it possible to reset the password?
2
votes
1answer
2k views

Explanation for Ridiculously Slow Copy Speed

I am backing up data files from one encrypted image to another. They're text files ranging in size from a few hundred kilobytes to a few megabytes. The process has become excruciatingly slow and is ...
2
votes
0answers
710 views

Locked Hard Drive

For some reason a recent reboot resulted in a startup screen with a circle with a slash icon instead of the regular Apple icon. What I tried: Using internet Recovery I used disk utility to fix ...
1
vote
1answer
230 views

Encrypting a PDF during Hazel processing

I've created an Automator Workflow which can take the selected Finder item (being a PDF) and encrypt it using the Apple-provided "Encrypt PDF Documents" action. The problem with this action is it ...
0
votes
1answer
195 views

Restore FileVault recovery key

I want to mount my (non-bootable) firevault encrypted drive on linux. I know the user-facing password to decrypt it, but not the recovery key. From what I've read, I assume that the recovery key is ...
2
votes
1answer
471 views

How can I clear the kernel extension caches while using FileVault 2?

I have the same problem as this user, Air + Lion : plug in USB, keyboard/pad stop working , where the built-in keyboard and trackpad on my MacBook Pro stop working (and drop out of the USB devices ...
2
votes
1answer
68 views

Secure access to data while retaining convenience and performance

I am looking for a convenient solution to the following problem: I have some large data (tens of GB) that resides on the hard drive of a Mac. Access to the data needs to be restricted so even users ...
0
votes
3answers
222 views

Is there anything missing in an encrypted iPhone backup?

As far as I understand iOS Security, Oct. 12, an encrypted backup via iTunes also backs up the keychain of the device. While I recognize that some elements might not be restorable onto a different ...
1
vote
1answer
180 views

Is there a way to force ssh tunneling to be required for Screen Sharing

I have enabled Remote Management on a mac. Everything works fine when I connect from another mac using Apple's Remote Desktop app. However, I also want to have a client on a windows machine. In that ...
4
votes
2answers
4k views

Encryption on USB - Mac & Windows partitions

I have a 64GB USB stick which I want to use on both my (Mountain Lion) iMac and my (work) Windows 7 laptop. I don't want to or need to share files across platforms and require the following ...
2
votes
1answer
110 views

Encrypt TimeMachine backups or rely on hardware encryption?

I'm thinking of purchasing a portable disk drive that supports hardware encryption (most of them seem to do these days). However, if I'm using such a drive can should I still encrypt my TimeMachine ...
-2
votes
1answer
1k views

Are the files in an encrypted dmg actually in plain text on the hard disk

It seems standard to use Disk Utility to create an encrypted disk image. I would like to know how secure this is. I can imagine that the "encrypted" files are not really encrypted at all, and continue ...
0
votes
0answers
289 views

Can't encrypt external hard drive

I'm trying to encrypt an external drive of mine using Apple's built in drive encryption tool into OS X through Finder. The drive is formatted as Mac OS Extended(Journaled) and I'm plugging the drive ...
1
vote
0answers
304 views

S/MIME Self-signed certificate problem on iOS

I am using S/MIME self-signed certificates for email encryption across iOS and OS X. Creating the certificates and installing them (including the CA) worked perfectly. Also using them on OS X worked ...
1
vote
1answer
332 views

Copy/Migrate FileVault 2 encrypted hard drive

I'm running OS X Mavericks and have the entire hard drive encrypted with FileVault 2. I intend to upgrade to a larger hard drive (actually an SSD). In the past when not using FileVault, I used Carbon ...
4
votes
2answers
469 views

How can I encrypt my VirtualBox VM?

Is there a way for me to use a virtual machine (VirtualBox) on my MacBook Air with encryption protection? I want to install a VM of Ubuntu, and if my employer calls back the hardware I don't want them ...
13
votes
2answers
748 views

How can i enable Time Machine encryption on the command line?

Is is possible to enable encryption for a Time Machine target disk with a script/using the command line? Is an encrypted Time Machine disk really just the same as a normal disk, full-disk-encrypted ...
0
votes
2answers
164 views

FusionDrive + Encrypted CoreStorage Volume - Problems writing to volume

Has anyone had experience with encrypted (home made!) FusionDrive volumes and intermittent failure of writes to this disk? I'm on a Late 2011 MBP 13" with (currently) 4 GB RAM, a 128 GB SSD and a 750 ...
1
vote
0answers
95 views

Automounting & fix permissions for home folder on encrypted sparse bundle?

For security on a shared machine, I've moved my entire home folder to an encrypted sparse bundle disk image. I then set my User settings home folder to the image. But along the way, I believe ...
2
votes
1answer
106 views

How can I wipe an encrypted volume when the password is forgotten?

I have encrypted disk volume that is in the way and the passphrase is gone. How can I erase the contents and reuse the disk space?
5
votes
3answers
1k views

How to send S/MIME encrypted mails from iOS with attachment?

I can only send encrypted mails if I start the mail app directly. But if I try to send a mail from the image gallery, the mails are neither signed nor encrypted (and I can't find a way to enable ...
6
votes
1answer
236 views

Verify Time Machine Encryption from the Command-Line?

Is it possible to verify whether a given Time Machine volume (for example, returned by tmutil machinedirectory) has encryption turned on? This is for regulatory compliance, so it needs to be fully ...
21
votes
5answers
16k 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. ...
-1
votes
1answer
221 views

Can I use an encrypted disk image for my home folder?

At work, several people use my machine. Can I set my home folder to be inside an ecrypted disk image? How would it work as far as mounting/unmounting whenever I log in/out?
5
votes
2answers
1k views

What is the s/mime encryption strength on iOS?

I've set up S/MIME on my iPhone, but unlike other mail clients, I'm not given the option to select the hash or encryption algorithms. I assume iOS makes this decision for me. Can anyone tell me what ...
1
vote
0answers
554 views

Is Time Machine encryption stuck or just taking long?

I have a 2TB, single-partitioned (HFS+) external drive which I connected to my MacBook Pro (10.8.4 Mountain Lion) for the first time. It prompted me if I wanted to use it as a Time Machine backup, and ...
1
vote
0answers
201 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 ...
1
vote
1answer
1k views

What's the difference between enabling Time Machine's “Encrypt Backups” option, and encrypting my disk from Disk Utility?

I'm setting up Time Machine backups on a new external hard disk. I chose to first encrypt the disk via Disk Utility: But I also see these options: Is there any difference between an "Encrypted" ...
2
votes
1answer
151 views

Will use of FireVault reduce lifetime of SSD?

I want to setup my FileVault in Retina MacBook Pro 13. Will it reduce lifetime of my SSD a lot?
2
votes
3answers
4k views

How can I get files off of a Mac when the display is broken?

I need to get files off of my mac, and SSH and RDP are both disabled. My screen is broken, and my SSD is encrypted by FileVault. Now, I do have one advantage: An external monitor. However, it will ...
2
votes
0answers
209 views

MacZfs with encryption on os-x

I have followed these steps for setting up zfs (maczfs 74.3.0, OSX 10.8.3) with encryption. Everything works fine, till I restart the computer. After the restart, diskutil informs me that the file ...
1
vote
1answer
363 views

How to store password for Logical Volume in keychain?

I have a Logical Volume with UUID 73D724AB-9999-9999-9999-8F1E1F5DF83F and it is password protected. The volume name is Workspace. The password is very long. Thus, I would like to create an password ...
2
votes
1answer
147 views

FileVault & multiple admin users' privacy

Using FileVault 2, when connecting a disk in target mode, the disk is locked and can only be unlocked by users authorised to do so. However, once it is unlocked, all contents are accessible to the ...
2
votes
2answers
14k views

Turn off encrypted backup on iPhone that has a profile without removing profiles

I have iPhones that have profiles on them that were password protected profiles and those passwords have been lost. So we need to wipe the iphones and was hoping to to a backup first and then restore ...
0
votes
3answers
6k views

How can I use Jabber with OTR on IOS?

I would like to use Jabber with OTR Encoding on my iPad, Which clients are supporting this? Apps already tried: ChatSecure doesn't seem to work with XMPP. IM+ Pro is not recommended Trillian has no ...
5
votes
1answer
2k views

Can I decrypt a dm-crypt filesystem on OS X?

I've been an Ubuntu user for years, and I just got my first Mac. One thing I haven't yet figured out is how to decrypt my encrypted filesystem on which I store my SSH and GPG keys on my flash drive. I ...
0
votes
1answer
223 views

How to backup an encrypted Core Storage volume off-site?

Given a hard disk with an encrypted Core Storage volume (but not the decryption password, because the backup service should not have access to that), how would one go about backing it up in a way that ...
2
votes
1answer
75 views

How can I recover the key of an encrypted hard-drive?

I still have access to the disc, but I lost the piece of paper with the key. Can I somehow recover it? I already had a look into Keychain Access Utility, but I couldn’t find it.
3
votes
1answer
226 views

How to set up ZEVO / ZFS on an internal disk while maintaining full disk encryption?

It seems that it's currently impossible to have the entire boot drive converted to ZFS. How would one go about converting a single disk HFS+ Filevault 2 setup into a setup which has full encryption ...
2
votes
1answer
541 views

Is FileVault 2 + SSD + OverProvisioning possible?

As the title says, could someone accomplish this? I couldn't. FileVault 2 wizard tells me that the disk isn't compatible with it. I have only 3 partitions on main disk, and Recovery HD was cloned ...
6
votes
2answers
15k views

How do I get rid of my encrypted iPhone backups to start from scratch?

Is there a way I can delete all my encrypted iPhone backups for which I forgot the password, so that I can start backing up from fresh? At the moment I'm stuck in this loop (below) which I can't ...